CN110138090B - Power supply monitoring method, server, terminal and system - Google Patents
Power supply monitoring method, server, terminal and system Download PDFInfo
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Abstract
The invention discloses a power supply monitoring method, a server side, a terminal and a system, relates to the technical field of power systems, and mainly aims to solve the problem that the production efficiency of different types of factories is influenced by the quality of electric energy when power is supplied. The method comprises the following steps: collecting power supply data from sensors arranged at power supply nodes in different areas; searching a flicker extreme value matched with the power supply grade, and calculating a flicker safety coefficient corresponding to the flicker extreme value, the voltage value, the current value, the power supply time and the power supply grade according to a preset safety flicker formula; judging whether the flicker safety coefficient is larger than a preset flicker safety coefficient or not; if the flicker safety factor is larger than the preset flicker safety factor, configuring the difference between the flicker safety factor and the preset flicker safety factor as a compensation parameter of the compensator, and selecting the switching time and the compensation time of a switch in the compensator according to the compensation parameter; sending a starting instruction to the compensator; and receiving compensation data fed back by the compensator.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to a power supply monitoring method, a server, a terminal and a system.
Background
China is a large power consumption country, and particularly for large-scale heavy industrial plants, the annual power supply quantity is close to the total power consumption of a certain area, so that greater economic pressure is brought. When the power system of a large heavy industrial plant is powered by a cable, a large amount of electric quantity is lost due to flickering caused by reasons such as environment and power stability, and the plant is subjected to great economic loss.
At present, the electric quantity is lost due to electric power flicker caused by electric power stability in the process of electric power transmission, the use efficiency of the electric quantity is reduced, and in addition, for the flicker of the electric quantity, different factories have different application ranges for the flicker when using electricity, and the compensators are configured differently. For example, also in one zone, heavy industry plants are not affected for flicker voltage values less than 38 volts, whereas fine light industry can only accept flicker voltage values less than 5 volts. Therefore, when power is supplied, the quality of power affects the production efficiency of different types of factories, and a power supply monitoring method is urgently needed to solve the above problems.
Disclosure of Invention
In view of the above, the present invention provides a power supply monitoring method, a server, a terminal, and a system, and mainly aims to solve the problem that the quality of power quality affects the production efficiency of different types of plants in the conventional power supply.
According to an aspect of the present invention, there is provided a power supply monitoring method, including:
acquiring power supply data from sensors at power supply nodes configured in different areas, wherein the power supply data comprises a voltage value, a current value, power supply time and a power supply grade;
searching a flicker extreme value matched with the power supply grade, and calculating a flicker safety coefficient corresponding to the flicker extreme value, the voltage value, the current value, the power supply time and the power supply grade according to a preset safety flicker formula;
judging whether the flicker safety coefficient is larger than a preset flicker safety coefficient or not;
if the difference between the flicker safety factor and the preset flicker safety factor is larger than the preset flicker safety factor, configuring the difference between the flicker safety factor and the preset flicker safety factor as a compensation parameter of a compensator, and selecting the switching time and the compensation time of a switch in the compensator according to the compensation parameter, wherein the compensator is a combined compensator which is switched by the switch between an active compensator and a reactive compensator;
sending a starting instruction to the compensator, wherein the starting instruction carries the compensation parameter, the compensation time and the switching time;
and receiving compensation data fed back by the compensator, generating a monitoring log according to the compensation data, and outputting the monitoring log according to a preset time interval.
According to an aspect of the present invention, there is provided another power supply monitoring method, including:
receiving a starting instruction, wherein the starting instruction carries a compensation parameter, compensation time and switching time;
adjusting the switching time of a switch between the active compensator and the reactive compensator according to the switching time, and determining the communication time in the reactive compensator according to the compensation time;
and sending compensation data generated when the active compensator and the reactive compensator operate according to the switching time.
According to an aspect of the present invention, there is provided a server, including:
the acquisition unit is used for acquiring power supply data from sensors at power supply nodes configured in different areas, wherein the power supply data comprises a voltage value, a current value, power supply time and a power supply grade;
the searching unit is used for searching a flicker extreme value matched with the power supply grade, and calculating the flicker extreme value, the voltage value, the current value, the power supply time and a flicker safety coefficient corresponding to the power supply grade according to a preset safety flicker formula;
the judging unit is used for judging whether the flicker safety coefficient is larger than a preset flicker safety coefficient or not;
the selection unit is used for configuring the difference between the flicker safety factor and the preset flicker safety factor as a compensation parameter of the compensator if the difference is larger than the preset flicker safety factor, and selecting the switching time and the compensation time of a switch in the compensator according to the compensation parameter, wherein the compensator is a combined compensator which is switched by the switch between the active compensator and the reactive compensator;
a sending unit, configured to send a start instruction to the compensator, where the start instruction carries the compensation parameter, the compensation time, and the switching time;
and the receiving unit is used for receiving the compensation data fed back by the compensator, generating a monitoring log according to the compensation data and outputting the monitoring log according to a preset time interval.
According to an aspect of the present invention, there is provided a terminal including:
the device comprises a receiving unit, a processing unit and a switching unit, wherein the receiving unit is used for receiving a starting instruction, and the starting instruction carries a compensation parameter, compensation time and switching time;
the adjusting unit is used for adjusting the switching time of a switch between the active compensator and the reactive compensator according to the switching time and determining the communication time in the reactive compensator according to the compensation time;
and the sending unit is used for sending compensation data generated when the active compensator and the reactive compensator operate according to the switching time.
According to an aspect of the present invention, there is provided a power supply monitoring system comprising: a service end and a terminal, wherein,
the server is used for acquiring power supply data from sensors at power supply nodes configured in different areas, wherein the power supply data comprises a voltage value, a current value, power supply time and a power supply grade;
the server is further used for searching a flicker extreme value matched with the power supply grade, and calculating the flicker extreme value, the voltage value, the current value, the power supply time and a flicker safety coefficient corresponding to the power supply grade according to a preset safety flicker formula;
the server is also used for judging whether the flicker safety coefficient is greater than a preset flicker safety coefficient;
the service end is further used for configuring the difference between the flicker safety factor and the preset flicker safety factor as a compensation parameter of the compensator if the difference is larger than the preset flicker safety factor, and selecting the switching time and the compensation time of a switch in the compensator according to the compensation parameter, wherein the compensator is a combined compensator which is switched by the switch between the active compensator and the reactive compensator;
the server is further configured to send a start instruction to the compensator, where the start instruction carries the compensation parameter, the compensation time, and the switching time;
the terminal is used for receiving a starting instruction, and the starting instruction carries a compensation parameter, compensation time and switching time;
the terminal is also used for adjusting the switching time of a switch between the active compensator and the reactive compensator according to the switching time and determining the communication time in the reactive compensator according to the compensation time;
the terminal is also used for sending compensation data generated when the active compensator and the reactive compensator operate according to the switching time;
the server is further used for receiving compensation data fed back by the compensator, generating a monitoring log according to the compensation data, and outputting the monitoring log according to a preset time interval.
According to still another aspect of the present invention, a storage medium is provided, and the storage medium stores at least one executable instruction, which causes a processor to perform operations corresponding to the above-mentioned power supply monitoring method.
According to still another aspect of the present invention, there is provided a computer apparatus including: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete mutual communication through the communication bus;
the memory is used for storing at least one executable instruction, and the executable instruction enables the processor to execute the operation corresponding to the power supply monitoring method.
According to still another aspect of the present invention, a storage medium is provided, and the storage medium stores at least one executable instruction, which causes a processor to perform operations corresponding to the above-mentioned power supply monitoring method.
According to still another aspect of the present invention, there is provided a computer apparatus including: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete mutual communication through the communication bus;
the memory is used for storing at least one executable instruction, and the executable instruction enables the processor to execute the operation corresponding to the power supply monitoring method.
By the technical scheme, the technical scheme provided by the embodiment of the invention at least has the following advantages:
the invention provides a power supply monitoring method, a server, a terminal and a system, compared with the prior art that the power is lost due to power flicker caused by stable power in the power transmission process, the use efficiency of the power is reduced, in addition, aiming at the flicker of the power, different factories have different application ranges aiming at the flicker when using the power, and the compensators are configured, the embodiment of the invention collects the power supply data in the power supply node through the server, searches the matched flicker extreme value, calculates the flicker safety coefficient corresponding to the power supply data, sends a switching instruction to the terminal when the flicker safety coefficient is greater than the preset flicker safety coefficient, after the terminal receives the switching instruction, adjusts the switching time between an active compensator and a reactive compensator according to the switching time and the compensation parameters in the instruction, and compensates according to the compensation time and the compensation parameters, and the compensation data are returned to the server, and the server generates a monitoring log after receiving the compensation data, so that the diversity of compensation modes when flicker occurs due to different types of factories in different areas is realized, the production efficiency of different types of factories is improved, and the quality of electric energy is improved.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a flowchart illustrating a power supply monitoring method according to an embodiment of the present invention;
fig. 2 is a flow chart of another power supply monitoring method provided by the embodiment of the invention;
fig. 3 is a flowchart illustrating a monitoring method for power supply according to another embodiment of the present invention;
fig. 4 is a block diagram illustrating a server according to an embodiment of the present invention;
FIG. 5 is a block diagram illustrating another server according to an embodiment of the present invention;
fig. 6 is a block diagram illustrating a terminal according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a computer device according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of another computer device provided in the embodiment of the present invention;
fig. 9 shows a schematic structural diagram of a power supply monitoring system according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The embodiment of the invention provides a power supply monitoring method, as shown in fig. 1, the method comprises the following steps:
101. power supply data is collected from sensors disposed at power supply nodes in different areas.
The power supply node can be power supply transformation stations corresponding to different areas, and each power supply transformation station is provided with a sensor for measuring a voltage value and a current value and used for collecting the voltage value and the current value during power supply. In addition, since the different areas in the embodiment of the present invention are power transmission areas corresponding to predetermined power supply transformer stations, when configuring a power supply transformer station, a power supply level corresponding to the area is written in each sensor, and the power supply level is associated with the type of plant and the number of plants in the area. And the power supply time is the recorded time after the power supply cable is electrified.
102. And searching a flicker extreme value matched with the power supply grade, and calculating the flicker extreme value, the voltage value, the current value, the power supply time and a flicker safety factor corresponding to the power supply grade according to a preset safety flicker formula.
Wherein the preset safety flicker formula is
T is power supply time, g is a flicker extreme value, u is a voltage value, and i is a current value.
It should be noted that the flicker extreme value is stored in a power supply class ratio table in the system background in advance, the power supply class ratio table records the flicker extreme values corresponding to different power supply classes, and different power supply classes correspond to different flicker extreme values because different areas are configured with corresponding power supply classes.
103. And judging whether the flicker safety coefficient is larger than a preset flicker safety coefficient or not.
For the embodiment of the present invention, in order to determine whether the power supply data collected in different areas is safe, it is necessary to determine whether the calculated flicker safety factor is greater than the preset flicker safety factor after step 102. The preset flicker safety coefficient is a flicker safety coefficient which is preset in different areas and cannot be exceeded, and the staff of the power system can set the flicker value according to the abnormal accident caused by flicker.
104. And if the flicker safety factor is larger than the preset flicker safety factor, configuring the difference between the flicker safety factor and the preset flicker safety factor as a compensation parameter of the compensator, and selecting the switching time and the compensation time of a change-over switch in the compensator according to the compensation parameter.
The compensator is a combined compensator which is switched by a selector switch between the active compensator and the reactive compensator, the compensation parameters are used for compensating the flicker phenomenon by the compensator, and the switching time is the switching time between the active compensator and the reactive compensator selected from the switching compensator. In the embodiment of the invention, the compensation time is the total compensation time of the compensator, the compensator is provided with an active compensator and a reactive compensator, one of the active compensator and the reactive compensator is selected through a connected single-pole double-throw relay for compensation, and the switching time of the single-pole double-throw relay is selected according to the compensation parameters. In the embodiment of the invention, the corresponding relation between the compensation time, the switching time and the compensation parameter is stored in the system background, and when the compensation parameter is calculated, the compensation time and the switching time corresponding to the compensation parameter are found out from the corresponding relation. As shown in the following table, the time when the switch corresponding to the switching time is switched to the contact 1 of the single-pole double-throw relay, that is, the time when the active compensator is turned on, is switched to the contact 2 after the switching time is reached, and the reactive compensator is continuously turned on.
105. And sending a starting instruction to the compensator.
The starting instruction carries the compensation parameter, the compensation time and the switching time. In the embodiment of the present invention, the compensator is in data connection with the current monitoring server through a wireless local area network, and the compensator is configured in the acquisition position of the sensor in step 101, that is, one compensator is configured at each acquisition position of the power supply data, so as to perform compensation when flicker occurs.
106. And receiving compensation data fed back by the compensator, generating a monitoring log according to the compensation data, and outputting the monitoring log according to a preset time interval.
For the embodiment of the present invention, the compensation data is voltage data for compensating the reactive compensator and the active compensator in the compensator, and the monitoring log records the voltage data for compensating the compensator specifically and the corresponding flicker safety factor when the compensator performs voltage compensation, so as to facilitate checking and monitoring flicker phenomena at different monitoring points, the monitoring log is output according to a preset time interval, where the preset time interval may be 1 week, 1 month, and the like, and the embodiment of the present invention is not limited specifically.
The invention provides a power supply monitoring method, which is compared with the prior art that the electric power is lost due to electric power flicker caused by electric power stability in the process of electric power transmission, the use efficiency of the electric power is reduced, in addition, the application range of the system for the flicker is different when different factories use electricity according to the flicker of the electricity, compared with the prior art, the embodiment of the invention calculates the flicker safety coefficient corresponding to the power supply data by collecting the power supply data in the power supply node and searching the matched flicker extreme value, when the flicker safety coefficient is larger than the preset flicker safety coefficient, the server sends a switching instruction to the terminal, generates a monitoring log after receiving the compensation data, the method and the device have the advantages that the diversity of the compensation modes when flicker occurs due to different types of factories in different areas is realized, the production efficiency of the factories of different types is improved, and the quality of electric energy is improved.
An embodiment of the present invention provides another power supply monitoring method, as shown in fig. 2, where the method includes:
201. and acquiring factory information in different areas, and configuring the power supply level corresponding to the factory information according to the power supply level corresponding relation.
For the embodiment of the present invention, in order to solve the problem that different types of plant power consumption conditions in different regions may cause different flicker bearing capacities, corresponding power supply levels need to be configured according to plant information, where the plant information includes a plant type and a plant number, and the power supply level correspondence is the correspondence between the plant type and the plant number and the power supply primary level, the power supply secondary level, and the power supply tertiary level. Wherein, because the mill number, the mill type that exist in every region are different, because heavy industry factory when carrying electric power, when having the flicker phenomenon of certain degree, can not influence industrial production when flicker voltage value is no longer than a definite value, and light industry factory is higher to carrying electric power requirement, and the unacceptable flicker condition can influence industrial production by a great extent when appearing the flicker, consequently, the mill type includes light industry factory and heavy industry factory. In addition, the factory information includes factory types and factory numbers in the area, the power supply level corresponding relation in the embodiment of the invention is that the factory types are all light industrial factories, no matter how many the factory numbers are, the power supply level corresponds to one level, the factory types are all heavy industrial factories, no matter how many the factory numbers are, the power supply level corresponds to three levels, the factory types include both light industrial factories and heavy industrial factories, when the number of the light industrial factories is larger than that of the heavy industrial factories, the power supply level corresponds to one level, and when the number of the light industrial factories is smaller than or equal to that of the heavy industrial factories, the power supply level corresponds to two levels.
202. Power supply data is collected from sensors disposed at power supply nodes in different areas.
This step is the same as step 101 shown in fig. 1, and is not described herein again.
203. And looking up a flicker extreme value matched with the power supply grade from a power supply grade matching table.
For the embodiment of the invention, in order to accurately find the flicker extreme value matched with the power supply grades, the power supply grade ratio table records the flicker extreme values corresponding to different power supply grades, and different areas are configured with corresponding power supply grades, so that different power supply grades correspond to different flicker extreme values, and the embodiment of the invention does not limit the specific numerical value of the flicker extreme value. As shown in the table below, U is the value of the supply voltage.
Power supply grade ratio table
| First stage | Second stage | Three-stage | |
| Flicker limit value | 0.2U | 0.4U | 0.6U |
204. Substituting the flicker extreme value, the voltage value, the current value, the power supply time and the power supply grade into the preset safe flicker formula, and calculating the flicker safety factor.
Wherein the preset safety flicker formula is
T is power supply time, g is a flicker extreme value, u is a voltage value, i is a current value,
205. and judging whether the flicker safety coefficient is larger than a preset flicker safety coefficient or not.
This step is the same as step 103 shown in fig. 1, and is not described herein again.
And 206a, if the flicker safety factor is larger than a preset flicker safety factor, configuring the difference between the flicker safety factor and the preset flicker safety factor as a compensation parameter of the compensator, and selecting the switching time and the compensation time of a switch in the compensator according to the compensation parameter.
This step is the same as step 104 shown in fig. 1, and will not be described herein again.
206b, if the current value is less than the preset flicker safety factor, recording the power supply data and the flicker safety factor, and updating the power supply data and the flicker safety factor into the monitoring log.
For the embodiment of the present invention, in order to monitor the calculated flicker safety factor in real time, when the calculated flicker safety factor is smaller than the preset flicker safety factor, the power supply data and the calculated flicker safety factor are recorded and updated into the monitoring log, so that a technician periodically updates the preset flicker safety factor according to the data in the monitoring log, which is not specifically limited in the embodiment of the present invention.
207. And sending a starting instruction to the compensator.
This step is the same as step 105 shown in fig. 1, and is not described herein again.
208. And receiving compensation data fed back by the compensator, generating a monitoring log according to the compensation data, and outputting the monitoring log according to a preset time interval.
This step is the same as step 106 shown in fig. 1, and will not be described herein again.
209. And counting the compensation data and the switching time in the monitoring log, and sending alarm information when the counted switching time is greater than the preset abnormal switching time and the counted compensation data is less than a preset compensation value.
For the embodiment of the invention, when the active compensator and the reactive compensator are switched, the switching time is too long, so that the service lives of the active compensator and the reactive compensator are influenced, and the compensation efficiency is reduced. Therefore, the compensation data of the monitoring log is counted according to the switching time, for example, the switching time is 10 minutes, the compensation data is a, the switching time is 1 hour, the compensation data is b, the counted switching time is 1 hour and 10 minutes, the counted compensation data is a + b, and the preset abnormal switching time and the preset compensation value are values preset by a technician according to actual experience, which is not specifically limited in the embodiment of the present invention. And when the counted switching time is greater than the preset abnormal switching time and the counted compensation data is less than the preset compensation value, sending alarm information, wherein the alarm information carries the counted switching time and the counted compensation data so as to be checked by a technician.
The invention provides another power supply monitoring method, the embodiment of the invention calculates the flicker safety coefficient corresponding to the power supply data by acquiring the power supply data in the power supply node and searching the matched flicker extreme value, when the flicker safety coefficient is greater than the preset flicker safety coefficient, the server side sends a switching instruction to the terminal, and a monitoring log is generated after receiving the compensation data, so that the diversity of compensation modes when flicker occurs due to different types of factories in different areas is realized, the production efficiency of the factories of different types is improved, and the power quality is improved.
An embodiment of the present invention provides another power supply monitoring method, as shown in fig. 3, where the method includes:
301. and receiving a starting instruction.
When a processor of the current compensator receives a starting instruction, analyzing the starting instruction and carrying a compensation parameter, a compensation time and a switching time, wherein the compensation parameter is used for compensating a flicker phenomenon through the compensator, the switching time is the switching time between active compensators or reactive compensators selected from the switching compensator, the compensation time is the total compensation time of the compensator, the time for switching a single-pole double-throw relay switch in the compensator to a single-pole double-throw relay contact 1 is selected according to the switching time, and when the switching time is up, the single-pole double-throw relay is triggered to switch.
302. And adjusting the switching time of a switch between the active compensator and the reactive compensator according to the switching time, and determining the communication time in the reactive compensator according to the compensation time.
And when the switching time is reached, the time for connecting the reactive compensator is determined for voltage compensation.
303. And sending compensation data generated when the active compensator and the reactive compensator operate according to the switching time.
The compensation data are voltage data for compensating the reactive compensator and the active compensator in the compensator so as to be monitored in the service end according to the compensation data.
The invention provides another power supply monitoring method, and the embodiment of the invention adjusts the switching time between an active compensator and a reactive compensator according to the switching time, the compensation time and the compensation parameter in the command after receiving the switching command, compensates according to the compensation time and the compensation parameter, and returns compensation data to a server, so as to realize the diversity of compensation modes when flicker occurs due to different types of factories in different areas, improve the production efficiency of the factories of different types, and further improve the quality of electric energy.
Further, as an implementation of the method shown in fig. 1, an embodiment of the present invention provides a server, and as shown in fig. 4, the apparatus includes: the device comprises an acquisition unit 41, a search unit 42, a judgment unit 43, a selection unit 44, a sending unit 45 and a receiving unit 46.
The acquisition unit 41 is configured to acquire power supply data from sensors at power supply nodes configured in different areas, where the power supply data includes a voltage value, a current value, power supply time, and a power supply level;
the searching unit 42 is configured to search a flicker extreme value matched with the power supply level, and calculate the flicker extreme value, the voltage value, the current value, the power supply time, and a flicker safety coefficient corresponding to the power supply level according to a preset safety flicker formula;
the judging unit 43 is configured to judge whether the flicker safety coefficient is greater than a preset flicker safety coefficient;
the selecting unit 44 is configured to configure a difference between the flicker safety factor and the preset flicker safety factor as a compensation parameter of the compensator if the difference is greater than the preset flicker safety factor, and select a switching time and a compensation time of a switch in the compensator according to the compensation parameter, where the compensator is a combined compensator that switches through a switch between an active compensator and a reactive compensator;
a sending unit 45, configured to send a start instruction to the compensator, where the start instruction carries the compensation parameter, the compensation time, and the switching time;
and the receiving unit 46 is used for receiving the compensation data fed back by the compensator, generating a monitoring log according to the compensation data, and outputting the monitoring log according to a preset time interval.
The embodiment of the invention provides a server, which is used for calculating a flicker safety coefficient corresponding to power supply data by acquiring power supply data in a power supply node and searching a matched flicker extreme value, sending a switching instruction to a terminal by the server when the flicker safety coefficient is greater than a preset flicker safety coefficient, and generating a monitoring log after receiving compensation data so as to realize the diversity of compensation modes when flicker occurs due to different types of factories in different areas, improve the production efficiency of different types of factories and further improve the quality of electric energy.
Further, as an implementation of the method shown in fig. 2, an embodiment of the present invention provides another server, and as shown in fig. 5, the apparatus includes: the device comprises a collecting unit 51, a searching unit 52, a judging unit 53, a selecting unit 54, a sending unit 55, a receiving unit 56, an obtaining unit 57, a counting unit 58 and an updating unit 59.
The acquisition unit 51 is used for acquiring power supply data from sensors at power supply nodes configured in different areas, wherein the power supply data comprises a voltage value, a current value, power supply time and a power supply grade;
the searching unit 52 is configured to search a flicker extreme value matched with the power supply level, and calculate a flicker safety coefficient corresponding to the flicker extreme value, the voltage value, the current value, the power supply time, and the power supply level according to a preset safety flicker formula;
the judging unit 53 is configured to judge whether the flicker safety coefficient is greater than a preset flicker safety coefficient;
the selecting unit 54 is configured to configure a difference between the flicker safety factor and the preset flicker safety factor as a compensation parameter of the compensator if the difference is greater than the preset flicker safety factor, and select a switching time and a compensation time of a switch in the compensator according to the compensation parameter, where the compensator is a combined compensator that switches through a switch between an active compensator and a reactive compensator;
a sending unit 55, configured to send a start instruction to the compensator, where the start instruction carries the compensation parameter, the compensation time, and the switching time;
and the receiving unit 56 is used for receiving the compensation data fed back by the compensator, generating a monitoring log according to the compensation data, and outputting the monitoring log according to a preset time interval.
Further, the search unit 52 includes:
the searching module 5201 is configured to search a power supply class matching table for a flicker extreme value matching the power supply class, where the power supply class matching table records flicker extreme values corresponding to different power supply classes;
a calculating module 5202, configured to substitute the flicker extreme value, the voltage value, the current value, the power supply time, and the power supply level into the preset safety flicker formula to calculate a flicker safety factor, where the preset safety flicker formula is
T is power supply time, g is a flicker extreme value, u is a voltage value, and i is a current value.
Further, the sending unit 55 is further configured to send a switching instruction to the compensator, where the switching instruction includes switching position information between the switch and the active compensator and between the switch and the reactive compensator.
Further, the server further includes:
the obtaining unit 57 is configured to obtain factory information in different areas, and configure a power supply level corresponding to the factory information according to a power supply level corresponding relationship, where the factory information includes a factory type and a factory number, and the power supply level corresponding relationship is a corresponding relationship between the factory type and the factory number and a power supply primary level, a power supply secondary level, and a power supply tertiary level.
Further, the server further includes:
and a counting unit 58, configured to count the compensation data and the switching time in the monitoring log, and send an alarm message when the counted switching time is greater than a preset abnormal switching time and the counted compensation data is smaller than a preset compensation value.
Further, the server further includes:
and the updating unit 59 is used for recording the power supply data and the flicker safety factor and updating the power supply data and the flicker safety factor into the monitoring log if the power supply data and the flicker safety factor are smaller than a preset flicker safety factor.
The embodiment of the invention calculates the flicker safety coefficient corresponding to the power supply data by acquiring the power supply data in the power supply node and searching the matched flicker extreme value, sends a switching instruction to the terminal when the flicker safety coefficient is greater than the preset flicker safety coefficient, and generates a monitoring log after receiving the compensation data, so as to realize the diversity of compensation modes when flicker occurs due to different types of factories in different areas, improve the production efficiency of different types of factories and improve the power quality.
Further, as an implementation of the method shown in fig. 3, an embodiment of the present invention provides a terminal, and as shown in fig. 6, the terminal includes: a receiving unit 61, an adjusting unit 62, and a transmitting unit 63.
A receiving unit 61, configured to receive a start instruction, where the start instruction carries a compensation parameter, compensation time, and switching time;
the adjusting unit 62 is configured to adjust a switching time of a switch between the active compensator and the reactive compensator according to the switching time, and determine a connection time in the reactive compensator according to the compensation time;
and a sending unit 63, configured to send compensation data generated when the active compensator and the reactive compensator operate according to the switching time.
The invention provides a terminal, and the embodiment of the invention adjusts the switching time between an active compensator and a reactive compensator according to the switching time, the compensation time and the compensation parameter in the command after receiving the switching command, compensates according to the compensation time and the compensation parameter, and returns compensation data to a service end, so as to realize the diversity of compensation modes when flicker occurs due to different types of factories in different areas, improve the production efficiency of different types of factories, and further improve the quality of electric energy.
According to an embodiment of the present invention, a storage medium is provided, where at least one executable instruction is stored, and the computer executable instruction may execute the power supply monitoring method in any of the above method embodiments.
Fig. 7 is a schematic structural diagram of a computer device according to an embodiment of the present invention, and the specific embodiment of the present invention does not limit the specific implementation of the terminal.
As shown in fig. 7, the terminal may include: a processor (processor)702, a communications interface 704, a memory 706, and a communications bus 708.
Wherein: the processor 702, communication interface 704, and memory 706 communicate with each other via a communication bus 708.
A communication interface 704 for communicating with network elements of other devices, such as clients or other servers.
The processor 702 is configured to execute the program 710, and may specifically execute relevant steps in the foregoing power supply monitoring method embodiment.
In particular, the program 710 may include program code that includes computer operating instructions.
The processor 702 may be a central processing unit CPU, or an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement an embodiment of the invention. The terminal comprises one or more processors, which can be the same type of processor, such as one or more CPUs; or may be different types of processors such as one or more CPUs and one or more ASICs.
The memory 706 stores a program 710. The memory 706 may comprise high-speed RAM memory, and may also include non-volatile memory (non-volatile memory), such as at least one disk memory.
The program 710 may specifically be used to cause the processor 702 to perform the following operations:
acquiring power supply data from sensors at power supply nodes configured in different areas, wherein the power supply data comprises a voltage value, a current value, power supply time and a power supply grade;
searching a flicker extreme value matched with the power supply grade, and calculating a flicker safety coefficient corresponding to the flicker extreme value, the voltage value, the current value, the power supply time and the power supply grade according to a preset safety flicker formula;
judging whether the flicker safety coefficient is larger than a preset flicker safety coefficient or not;
if the difference between the flicker safety factor and the preset flicker safety factor is larger than the preset flicker safety factor, configuring the difference between the flicker safety factor and the preset flicker safety factor as a compensation parameter of a compensator, and selecting the switching time and the compensation time of a switch in the compensator according to the compensation parameter, wherein the compensator is a combined compensator which is switched by the switch between an active compensator and a reactive compensator;
sending a starting instruction to the compensator, wherein the starting instruction carries the compensation parameter, the compensation time and the switching time;
and receiving compensation data fed back by the compensator, generating a monitoring log according to the compensation data, and outputting the monitoring log according to a preset time interval.
According to another embodiment of the present invention, a storage medium is provided, wherein the storage medium stores at least one executable instruction, and the computer executable instruction can execute the power supply monitoring method in any of the above method embodiments.
Fig. 8 is a schematic structural diagram of a computer device according to another embodiment of the present invention, and the specific embodiment of the present invention does not limit the specific implementation of the terminal.
As shown in fig. 8, the terminal may include: a processor (processor)802, a communications interface 804, a memory 806, and a communications bus 808.
Wherein: the processor 802, communication interface 804, and memory 806 communicate with one another via a communication bus 808.
A communication interface 804 for communicating with network elements of other devices, such as clients or other servers.
The processor 802 is configured to execute the program 810, and may specifically execute relevant steps in the foregoing power supply monitoring method embodiment.
In particular, the program 810 may include program code comprising computer operating instructions.
The processor 802 may be a central processing unit CPU, or an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement an embodiment of the invention. The terminal comprises one or more processors, which can be the same type of processor, such as one or more CPUs; or may be different types of processors such as one or more CPUs and one or more ASICs.
The memory 806 stores a program 810. The memory 806 may comprise high-speed RAM memory, and may also include non-volatile memory (non-volatile memory), such as at least one disk memory.
The program 810 may be specifically configured to cause the processor 802 to perform the following operations:
the device comprises a receiving unit, a processing unit and a switching unit, wherein the receiving unit is used for receiving a starting instruction, and the starting instruction carries a compensation parameter, compensation time and switching time;
the adjusting unit is used for adjusting the switching time of a switch between the active compensator and the reactive compensator according to the switching time and determining the communication time in the reactive compensator according to the compensation time;
and the sending unit is used for sending compensation data generated when the active compensator and the reactive compensator operate according to the switching time.
An embodiment of the present invention provides a power supply monitoring method and system, as shown in fig. 9, including: a service end 91, a terminal 92,
the server 91 is configured to collect power supply data from sensors at power supply nodes configured in different areas, where the power supply data includes a voltage value, a current value, power supply time, and a power supply level;
the server 91 is further configured to search a flicker extreme value matched with the power supply level, and calculate a flicker safety coefficient corresponding to the flicker extreme value, the voltage value, the current value, the power supply time, and the power supply level according to a preset safety flicker formula;
the server 91 is further configured to determine whether the flicker safety factor is greater than a preset flicker safety factor;
the server 91 is further configured to configure a difference between the flicker safety factor and the preset flicker safety factor as a compensation parameter of the compensator if the difference is greater than the preset flicker safety factor, and select a switching time and a compensation time of a switch in the compensator according to the compensation parameter, where the compensator is a combined compensator that switches through a switch between an active compensator and a reactive compensator;
the server 91 is further configured to send a start instruction to the compensator, where the start instruction carries the compensation parameter, the compensation time, and the switching time;
the terminal 92 is configured to receive a start instruction, where the start instruction carries a compensation parameter, compensation time, and switching time;
the terminal 92 is further configured to adjust a switching time of a switch between the active compensator and the reactive compensator according to the switching time, and determine a connection time in the reactive compensator according to the compensation time;
the terminal 92 is further configured to send compensation data generated when the active compensator and the reactive compensator operate according to the switching time;
the server 91 is further configured to receive compensation data fed back by the compensator, generate a monitoring log according to the compensation data, and output the monitoring log according to a preset time interval.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A method of monitoring power supply, comprising:
acquiring power supply data from sensors at power supply nodes configured in different areas, wherein the power supply data comprises a voltage value, a current value, power supply time and a power supply grade;
searching a flicker extreme value matched with the power supply grade, and calculating the flicker extreme value, the voltage value, the current value, the power supply time and a flicker safety coefficient corresponding to the power supply grade according to a preset safety flicker formula, wherein the preset safety flicker formula is
The t is power supply time, the g is a flicker extreme value, the u is a voltage value, and the i is a current value;
judging whether the flicker safety coefficient is larger than a preset flicker safety coefficient or not;
if the difference between the flicker safety factor and the preset flicker safety factor is larger than the preset flicker safety factor, configuring the difference between the flicker safety factor and the preset flicker safety factor as a compensation parameter of a compensator, and selecting the switching time and the compensation time of a switch in the compensator according to the compensation parameter, wherein the compensator is a combined compensator which is switched by the switch between an active compensator and a reactive compensator;
sending a starting instruction to the compensator, wherein the starting instruction carries the compensation parameter, the compensation time and the switching time;
and receiving compensation data fed back by the compensator, generating a monitoring log according to the compensation data, and outputting the monitoring log according to a preset time interval.
2. The method according to claim 1, wherein the searching for the flicker extreme value matching with the power supply class, and the calculating of the flicker safety factor corresponding to the flicker extreme value, the voltage value, the current value, the power supply time, and the power supply class according to a preset safety flicker formula comprises:
searching a flicker extreme value matched with the power supply grade from a power supply grade ratio table, wherein the flicker extreme values corresponding to different power supply grades are recorded in the power supply grade ratio table;
substituting the flicker extreme value, the voltage value, the current value, the power supply time and the power supply grade into the preset safe flicker formula to calculate the flicker safety factor, wherein the preset safe flicker formula is
T is power supply time, g is a flicker extreme value, u is a voltage value, and i is a current value.
3. The method of claim 1, wherein prior to sending a startup instruction to the compensator, the method further comprises:
and sending a switching instruction to the compensator, wherein the switching instruction comprises switching position information among the selector switch, the active compensator and the reactive compensator.
4. The method of claim 1, wherein prior to collecting power supply data from sensors disposed at power supply nodes in different areas, the method further comprises:
the method comprises the steps of obtaining factory information in different areas, and configuring power supply levels corresponding to the factory information according to power supply level corresponding relations, wherein the factory information comprises factory types and factory numbers, and the power supply level corresponding relations are corresponding relations between the factory types and the factory numbers and power supply first-level, power supply second-level and power supply third-level.
5. The method of claim 1, wherein after receiving the compensation data fed back by the compensator, generating a monitoring log according to the compensation data, and outputting the monitoring log according to a preset time interval, the method further comprises:
and counting the compensation data and the switching time in the monitoring log, and sending alarm information when the counted switching time is greater than the preset abnormal switching time and the counted compensation data is less than a preset compensation value.
6. The method of claim 1, wherein after determining whether the flicker safety factor is greater than a preset flicker safety factor, the method further comprises:
and if the current value is less than the preset flicker safety factor, recording the power supply data and the flicker safety factor, and updating the power supply data and the flicker safety factor into the monitoring log.
7. A server, comprising:
the acquisition unit is used for acquiring power supply data from sensors at power supply nodes configured in different areas, wherein the power supply data comprises a voltage value, a current value, power supply time and a power supply grade;
the searching unit is used for searching a flicker extreme value matched with the power supply grade, calculating the flicker extreme value, the voltage value, the current value, the power supply time and a flicker safety coefficient corresponding to the power supply grade according to a preset safety flicker formula, wherein the preset safety flicker formula is
The t is power supply time, the g is a flicker extreme value, the u is a voltage value, and the i is a current value;
the judging unit is used for judging whether the flicker safety coefficient is larger than a preset flicker safety coefficient or not;
the selection unit is used for configuring the difference between the flicker safety factor and the preset flicker safety factor as a compensation parameter of the compensator if the difference is larger than the preset flicker safety factor, and selecting the switching time and the compensation time of a switch in the compensator according to the compensation parameter, wherein the compensator is a combined compensator which is switched by the switch between the active compensator and the reactive compensator;
a sending unit, configured to send a start instruction to the compensator, where the start instruction carries the compensation parameter, the compensation time, and the switching time;
and the receiving unit is used for receiving the compensation data fed back by the compensator, generating a monitoring log according to the compensation data and outputting the monitoring log according to a preset time interval.
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| CN102480130B (en) * | 2010-11-29 | 2015-05-27 | 比亚迪股份有限公司 | Power compensation method and system for wind power system |
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Address after: 461000 Kaiyuan Road, Xuchang Economic and Technological Development Zone, Henan Province Patentee after: Xuchang Changlong Electric Co.,Ltd. Address before: 461000 Kaiyuan Road, Xuchang Economic and Technological Development Zone, Henan Province Patentee before: XUCHANG XJ CHANGLONG ELECTRIC ENERGY TECHNOLOGY Co.,Ltd. |