CN109149569A - A kind of voltage based on network system and amperometry processing system - Google Patents
A kind of voltage based on network system and amperometry processing system Download PDFInfo
- Publication number
- CN109149569A CN109149569A CN201811072227.1A CN201811072227A CN109149569A CN 109149569 A CN109149569 A CN 109149569A CN 201811072227 A CN201811072227 A CN 201811072227A CN 109149569 A CN109149569 A CN 109149569A
- Authority
- CN
- China
- Prior art keywords
- voltage
- detected
- sub
- current
- line road
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of voltages based on network system and amperometry processing system, including current acquisition module, voltage acquisition module, signal processing module, electric network database, current regulating module, voltage compensation module and display terminal；Signal processing module is connect with current acquisition module, voltage acquisition module, electric network database, current regulating module, voltage compensation module and display terminal respectively.The present invention is measured in real time the electric current and voltage of sub-line road to be detected each on power grid by current acquisition module and voltage acquisition module, and passes through signal processing module and combine the compensation of current regulating module and voltage compensation module to the route progress current or voltage of electric current on route and undertension, guarantee that the voltage on route meets the needs of power grid in electric current, and improve the stability and safety of power grid, the effective analysis ability for realizing network system has the characteristics that easy to operate, practical and highly-safe.
Description
Technical field
The invention belongs to electric power network technique field, it is related to a kind of voltage based on network system and amperometry processing system
System.
Background technique
As user is to various shapes such as the attention rate continuous improvements of power supply reliability and power quality and solar energy, wind energy
The renewable energy of formula largely utilizes, and power grid generally refers to a variety of distributed generation resources, energy storage device and load passing through electric power electricity
The small grids form that sub-device connects, can be incorporated into the power networks, and traditional bulk power grid positive energy exchange, but can independent operating,
Isolated blob as an energy stable operation.
With a large amount of accesses of distributed generation unit, power quality problem is increasingly serious.Improving power quality is usually
Using passive filter or active filter.Passive filter be use it is appropriate with power capacitor, reactor and resistor
The filter being composed.This method not only can inhibit harmonic wave but also can compensate for reactive power, and structure is simple, be made extensively always
With.However, real-time voltage and current compensation can not be carried out to route each in power grid, each route in network system is caused to exist
The problem of safety difference and stability difference devises a kind of voltage and electric current based on network system in order to solve problem above
Analysis process system.
Summary of the invention
The purpose of the present invention is to provide a kind of voltage based on network system and amperometry processing system, solve
Stability present in existing power grid is poor, safety difference problem.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of voltage based on network system and amperometry processing system, including current acquisition module, voltage acquisition mould
Block, signal processing module, electric network database, current regulating module, voltage compensation module and display terminal, signal processing module point
Not with current acquisition module, voltage acquisition module, electric network database, current regulating module, voltage compensation module and display terminal
Connection；
Include several mutually not cross links in network system, each route be numbered, respectively 1,2 ...,
I ..., n equidistantly divides route same in power grid, is divided into several sub-line roads to be detected, each sub-line road to be detected
On be provided at least one electric elements, each route to be detected is compiled according to direction of current flow in each sub-line road to be detected
Number, respectively 1,2 ..., j ..., m；
Current acquisition module includes several current acquisition units, and each current acquisition unit is separately mounted to each sub-line to be detected
On the road, current acquisition unit is current sensor, for the electric current in real-time detection sub-line road to be detected, and the electric current that will test
Information is sent to signal processing module；It is to be detected with this to be mounted on the corresponding number of each sub-line road current acquisition unit to be detected
The corresponding number in sub-line road is identical；
Voltage acquisition module includes several voltage acquisition units, and each voltage acquisition unit is separately mounted to each sub-line to be detected
On the road, voltage acquisition unit is voltage sensor, for the voltage of sub-line road to be detected where real-time detection, and will test
Voltage is sent to signal processing module；The corresponding number of voltage acquisition unit for being mounted on each sub-line road to be detected is to be checked with this
It is identical to survey the corresponding number in sub-line road；
Electric network database is used to store the electric current and voltage value of each sub-line road to be detected setting in different routes, and deposits
Store up the comparison proportional region between each sub-line road to be detected detection voltage allowed and assigned voltage；
Signal processing module receives the current information and voltage that each current acquisition unit is sent in current acquisition module and adopts
Collect the information of voltage that each voltage acquisition unit is sent in module, by the current information and power grid of received each sub-line road to be detected
The electric current of the sub-line road to be detected stored in database compares, if current information is less than or greater than in electric network database
The size of current of storage, then signal processing module sends current regulation and instructs to current regulating module；
Meanwhile son to be detected that will be stored in the information of voltage and electric network database of received each sub-line road to be detected
Voltage on route is made the difference and is taken absolute value, and by the voltage difference to take absolute value and the voltage stored in electric network database into
Row comparison, the proportional numerical value compared, if the ratio of the comparison between the voltage stored in the voltage and electric network database of detection
Numerical value is in the proportional region of established standards, then signal processing module does not send control instruction to voltage compensation module, if detection
Voltage and electric network database in comparison between the voltage that stores proportional numerical value not in the proportional region of the standard of setting, letter
Number processing module sends voltage control instructions to voltage compensation module；
The electric current and voltage of signal processing module each sub-line road to be detected based on the received, statistically analyze the steady of the route
Determine metewand Qij, according to the Stability Assessment coefficient of each sub-line road to be detected, count the corresponding monolithic stability assessment of the power grid
CoefficientReceived each sub-line road to be detected electric current is sent to by signal processing module with information of voltage
Display terminal, and the Stability Assessment coefficient of each sub-line road to be detected of statistics and the corresponding entirety of entire network system is steady
Determine metewand and is sent to display terminal；
Current regulating module includes several current regulation units, and each current regulation unit is separately mounted to each sub-line to be detected
On the road, the electric current of sub-line road to be detected is adjusted for receiving the current regulation instruction of signal processing module transmission, and
Electric current after adjusting is sent to signal processing module, it is big that the electric current after adjusting meets the electric current stored in electric network database
It is small；
Voltage compensation module includes several voltage compensation units, and each voltage compensation unit is separately mounted to each sub-line to be detected
On the road, voltage compensation unit is for the control instruction with voltage of real-time reception signal processing module transmission to sub-line road to be detected
Voltage be adjusted, and the voltage after adjusting is sent to signal processing module, until the voltage in the sub-line road to be detected
Proportional numerical value with the comparison between the voltage that stores in electric network database is in the proportional region of the standard of setting；
Display terminal be used for receive signal processing module transmission each sub-line road to be detected electric current and information of voltage and surely
Determine metewand, and the corresponding monolithic stability metewand of entire network system, and to received each sub-line road to be detected
Electric current, information of voltage, Stability Assessment coefficient and the corresponding monolithic stability metewand of entire network system are shown.
As the preferred technical solution of the present invention, the Stability Assessment coefficient Q of each sub-line road to be detectedijCalculation formula beβ is expressed as influencing coefficient, takes 0.825, IijIt is expressed as i-th of line
The size of current of the sub-line road to be detected of j-th of road, IMark ijJ-th be expressed as on i-th of route sub-line road to be detected
Normalized current size, UijThe voltage swing of j-th be expressed as on i-th of route sub-line road to be detected, UMark ijIt is expressed as
The normal voltage size of j-th of sub-line road to be detected on i-th of route.
Compared with prior art, beneficial effects of the present invention are shown:
Voltage provided by the invention based on network system and amperometry processing system, pass through current acquisition module and electricity
Pressure acquisition module is measured in real time the electric current and voltage of sub-line road to be detected each on power grid, and passes through signal processing module
And current regulating module and voltage compensation module is combined to carry out current or voltage to the route of electric current on route and undertension
Compensation guarantees that the voltage on route meets the needs of power grid in electric current, and improves the stability and safety of power grid, realizes
Effective analysis ability of network system has easy to operate, practical convenient for providing intuitively electric network data for administrative staff
And highly-safe feature.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described.
Fig. 1 is the schematic diagram of the voltage and amperometry processing system in the present invention based on network system.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Refering to Figure 1, a kind of voltage based on network system and amperometry processing system, including current acquisition mould
Block, voltage acquisition module, signal processing module, electric network database, current regulating module, voltage compensation module and display terminal,
Signal processing module respectively with current acquisition module, voltage acquisition module, electric network database, current regulating module, voltage compensation
Module is connected with display terminal.
Include several mutually not cross links in network system, each route be numbered, respectively 1,2 ...,
I ..., n equidistantly divides route same in power grid, is divided into several sub-line roads to be detected, each sub-line road to be detected
On be provided at least one electric elements, each route to be detected is compiled according to direction of current flow in each sub-line road to be detected
Number, respectively 1,2 ..., j ..., m.
Current acquisition module includes several current acquisition units, and each current acquisition unit is separately mounted to each sub-line to be detected
On the road, current acquisition unit is current sensor, for the electric current in real-time detection sub-line road to be detected, and the electric current that will test
Information is sent to signal processing module.It is to be detected with this to be mounted on the corresponding number of each sub-line road current acquisition unit to be detected
The corresponding number in sub-line road is identical.
Voltage acquisition module includes several voltage acquisition units, and each voltage acquisition unit is separately mounted to each sub-line to be detected
On the road, voltage acquisition unit is voltage sensor, for the voltage of sub-line road to be detected where real-time detection, and will test
Voltage is sent to signal processing module.The corresponding number of voltage acquisition unit for being mounted on each sub-line road to be detected is to be checked with this
It is identical to survey the corresponding number in sub-line road.
Electric network database is used to store the electric current and voltage value of each sub-line road to be detected setting in different routes, and deposits
Store up the comparison proportional region between each sub-line road to be detected detection voltage allowed and assigned voltage.
Signal processing module receives the current information and voltage that each current acquisition unit is sent in current acquisition module and adopts
Collect the information of voltage that each voltage acquisition unit is sent in module, by the current information and power grid of received each sub-line road to be detected
The electric current of the sub-line road to be detected stored in database compares, if current information is less than or greater than in electric network database
The size of current of storage, then signal processing module sends current regulation and instructs to current regulating module.
Meanwhile son to be detected that will be stored in the information of voltage and electric network database of received each sub-line road to be detected
Voltage on route is made the difference and is taken absolute value, and by the voltage difference to take absolute value and the voltage stored in electric network database into
Row comparison, the proportional numerical value compared, if the ratio of the comparison between the voltage stored in the voltage and electric network database of detection
Numerical value is in the proportional region of established standards, then signal processing module does not send control instruction to voltage compensation module, if detection
Voltage and electric network database in comparison between the voltage that stores proportional numerical value not in the proportional region of the standard of setting, letter
Number processing module sends voltage control instructions to voltage compensation module.
The electric current and voltage of signal processing module each sub-line road to be detected based on the received, statistically analyze the steady of the route
Determine metewand Qij, QijCalculation formula beβ is expressed as influencing
Coefficient takes 0.825, IijThe size of current of j-th be expressed as on i-th of route sub-line road to be detected, IMark ijIt is expressed as i-th
The normalized current size of j-th of sub-line road to be detected on a route, UijJ-th be expressed as on i-th of route is to be detected
The voltage swing of sub-line road, UMark ijThe normal voltage size of j-th be expressed as on i-th of route sub-line road to be detected.
According to the Stability Assessment coefficient of each sub-line road to be detected, the corresponding monolithic stability metewand of the power grid is countedReceived each sub-line road to be detected electric current and information of voltage are sent to display by signal processing module
Terminal, and the Stability Assessment coefficient of each sub-line road to be detected of statistics and the corresponding monolithic stability of entire network system are commented
Estimate coefficient and is sent to display terminal.
Current regulating module includes several current regulation units, and each current regulation unit is separately mounted to each sub-line to be detected
On the road, the electric current of sub-line road to be detected is adjusted for receiving the current regulation instruction of signal processing module transmission, and
Electric current after adjusting is sent to signal processing module, it is big that the electric current after adjusting meets the electric current stored in electric network database
It is small.
Voltage compensation module includes several voltage compensation units, and each voltage compensation unit is separately mounted to each sub-line to be detected
On the road, voltage compensation unit is for the control instruction with voltage of real-time reception signal processing module transmission to sub-line road to be detected
Voltage be adjusted, and the voltage after adjusting is sent to signal processing module, until the voltage in the sub-line road to be detected
Proportional numerical value with the comparison between the voltage that stores in electric network database is in the proportional region of the standard of setting.
Display terminal be used for receive signal processing module transmission each sub-line road to be detected electric current and information of voltage and surely
Determine metewand, and the corresponding monolithic stability metewand of entire network system, and to received each sub-line road to be detected
Electric current, information of voltage, Stability Assessment coefficient and the corresponding monolithic stability metewand of entire network system are shown.
Voltage provided by the invention based on network system and amperometry processing system, pass through current acquisition module and electricity
Pressure acquisition module is measured in real time the electric current and voltage of sub-line road to be detected each on power grid, and passes through signal processing module
And current regulating module and voltage compensation module is combined to carry out current or voltage to the route of electric current on route and undertension
Compensation guarantees that the voltage on route meets the needs of power grid in electric current, and improves the stability and safety of power grid, realizes
Effective analysis ability of network system has easy to operate, practical convenient for providing intuitively electric network data for administrative staff
And highly-safe feature.
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Design or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (2)
1. a kind of voltage based on network system and amperometry processing system, it is characterised in that: including current acquisition module, electricity
Acquisition module, signal processing module, electric network database, current regulating module, voltage compensation module and display terminal are pressed, at signal
Manage module respectively with current acquisition module, voltage acquisition module, electric network database, current regulating module, voltage compensation module and
Display terminal connection；
Include several mutual not cross links in network system, each route be numbered, respectively 1,2 ..., i ..., n,
Route same in power grid is equidistantly divided, several sub-line roads to be detected are divided into, each sub-line road to be detected is respectively provided with
There is at least one electric elements, each sub-line road to be detected is numbered each route to be detected according to direction of current flow, respectively
It is 1,2 ..., j ..., m；
Current acquisition module includes several current acquisition units, and each current acquisition unit is separately mounted to each sub-line road to be detected
On, current acquisition unit is current sensor, for the electric current in real-time detection sub-line road to be detected, and the electric current letter that will test
Breath is sent to signal processing module；It is mounted on the corresponding number of each sub-line road current acquisition unit to be detected and the son to be detected
The corresponding number of route is identical；
Voltage acquisition module includes several voltage acquisition units, and each voltage acquisition unit is separately mounted to each sub-line road to be detected
On, voltage acquisition unit is voltage sensor, for the voltage of sub-line road to be detected where real-time detection, and the electricity that will test
Pressure is sent to signal processing module；The corresponding number of voltage acquisition unit for being mounted on each sub-line road to be detected is to be detected with this
The corresponding number in sub-line road is identical；
Electric network database is used to store the electric current and voltage value of each sub-line road to be detected setting in different routes, and stores each
Comparison proportional region between the sub-line road to be detected detection voltage allowed and assigned voltage；
Signal processing module receives the current information and voltage acquisition mould that each current acquisition unit is sent in current acquisition module
The information of voltage that each voltage acquisition unit is sent in block, by the current information and electric network data of received each sub-line road to be detected
The electric current of the sub-line road to be detected stored in library compares, and stores if current information is less than or greater than in electric network database
Size of current, then signal processing module send current regulation instruct to current regulating module；
Meanwhile sub-line road to be detected that will be stored in the information of voltage and electric network database of received each sub-line road to be detected
On voltage made the difference and taken absolute value, and the voltage difference to take absolute value and the voltage stored in electric network database are carried out pair
Than the proportional numerical value compared, if the proportional numerical value of the comparison between the voltage stored in the voltage and electric network database of detection
In the proportional region of established standards, then signal processing module does not send control instruction to voltage compensation module, if the electricity of detection
The proportional numerical value of comparison between the voltage stored in pressure and electric network database is not in the proportional region of the standard of setting, at signal
It manages module and sends voltage control instructions to voltage compensation module；
The electric current and voltage of signal processing module each sub-line road to be detected based on the received, the stabilization for statisticalling analyze the route are commented
Estimate coefficient Qij, according to the Stability Assessment coefficient of each sub-line road to be detected, count the corresponding monolithic stability metewand of the power gridReceived each sub-line road to be detected electric current and information of voltage are sent to display by signal processing module
Terminal, and the Stability Assessment coefficient of each sub-line road to be detected of statistics and the corresponding monolithic stability of entire network system are commented
Estimate coefficient and is sent to display terminal；
Current regulating module includes several current regulation units, and each current regulation unit is separately mounted to each sub-line road to be detected
On, the electric current of sub-line road to be detected is adjusted in the current regulation instruction for receiving signal processing module transmission, and will
Electric current after adjusting is sent to signal processing module, and it is big that the electric current after adjusting meets the electric current stored in electric network database
It is small；
Voltage compensation module includes several voltage compensation units, and each voltage compensation unit is separately mounted to each sub-line road to be detected
On, voltage compensation unit is used for the control instruction with voltage of real-time reception signal processing module transmission to sub-line road to be detected
Voltage is adjusted, and the voltage after adjusting is sent to signal processing module, until the sub-line road to be detected in voltage with
The proportional numerical value of comparison between the voltage stored in electric network database is in the proportional region of the standard of setting；
Display terminal is used to receive each sub-line road to be detected electric current of signal processing module transmission and information of voltage and stabilization are commented
Estimate coefficient, and the corresponding monolithic stability metewand of entire network system, and to received each sub-line road to be detected electric current,
Information of voltage, Stability Assessment coefficient and the corresponding monolithic stability metewand of entire network system are shown.
2. the voltage based on network system and amperometry processing system as described in claim 1, it is characterised in that: each to be checked
Survey the Stability Assessment coefficient Q of sub-line roadijCalculation formula beβ
It is expressed as influencing coefficient, takes 0.825, IijThe size of current of j-th be expressed as on i-th of route sub-line road to be detected,
IMark ijThe normalized current size of j-th be expressed as on i-th of route sub-line road to be detected, UijIt is expressed as on i-th of route
J-th of sub-line road to be detected voltage swing, UMark ijThe mark of j-th be expressed as on i-th of route sub-line road to be detected
Quasi- voltage swing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811072227.1A CN109149569B (en) | 2018-09-14 | 2018-09-14 | Voltage and current analysis processing system based on power grid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811072227.1A CN109149569B (en) | 2018-09-14 | 2018-09-14 | Voltage and current analysis processing system based on power grid system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109149569A true CN109149569A (en) | 2019-01-04 |
| CN109149569B CN109149569B (en) | 2023-01-31 |
Family
ID=64825236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811072227.1A Active CN109149569B (en) | 2018-09-14 | 2018-09-14 | Voltage and current analysis processing system based on power grid system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109149569B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853288A (en) * | 2019-10-16 | 2020-02-28 | 广西电网有限责任公司南宁供电局 | 10kV ground cable channel hidden danger early warning system based on remote monitoring |
| CN115116210A (en) * | 2022-06-28 | 2022-09-27 | 武汉翰林文融教育咨询有限公司 | Wisdom campus construction student electricity consumption safety monitoring early warning system of internet of things |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135009A (en) * | 2014-07-16 | 2014-11-05 | 清华大学 | Parallel unified power quality controller and operation control method thereof |
| CN104300553A (en) * | 2014-10-17 | 2015-01-21 | 国家电网公司 | Rural power network low voltage comprehensive treatment control device and method |
| EP2871740A1 (en) * | 2013-11-11 | 2015-05-13 | Alstom Technology Ltd | Control of DC transmission lines |
| CN105322551A (en) * | 2014-07-15 | 2016-02-10 | 江门市泽裕电力电子有限公司 | Low-voltage line voltage stepped series-connection superposition compensation system |
| CN205693365U (en) * | 2016-06-07 | 2016-11-16 | 国网山东省电力公司平度市供电公司 | A kind of reactive compensation system of rural power grid line |
| CN106338650A (en) * | 2016-10-21 | 2017-01-18 | 国网安徽省电力公司培训中心 | Harmonic wave measurement circuit |
| CN207366634U (en) * | 2017-07-17 | 2018-05-15 | 国网江西省电力公司电力科学研究院 | A kind of load monitoring recording equipment |
-
2018
- 2018-09-14 CN CN201811072227.1A patent/CN109149569B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2871740A1 (en) * | 2013-11-11 | 2015-05-13 | Alstom Technology Ltd | Control of DC transmission lines |
| CN105322551A (en) * | 2014-07-15 | 2016-02-10 | 江门市泽裕电力电子有限公司 | Low-voltage line voltage stepped series-connection superposition compensation system |
| CN104135009A (en) * | 2014-07-16 | 2014-11-05 | 清华大学 | Parallel unified power quality controller and operation control method thereof |
| CN104300553A (en) * | 2014-10-17 | 2015-01-21 | 国家电网公司 | Rural power network low voltage comprehensive treatment control device and method |
| CN205693365U (en) * | 2016-06-07 | 2016-11-16 | 国网山东省电力公司平度市供电公司 | A kind of reactive compensation system of rural power grid line |
| CN106338650A (en) * | 2016-10-21 | 2017-01-18 | 国网安徽省电力公司培训中心 | Harmonic wave measurement circuit |
| CN207366634U (en) * | 2017-07-17 | 2018-05-15 | 国网江西省电力公司电力科学研究院 | A kind of load monitoring recording equipment |
Non-Patent Citations (1)
| Title |
|---|
| 曾爱玉: "分段补偿技术在低压配电线路上的应用与效果", 《机电工程技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853288A (en) * | 2019-10-16 | 2020-02-28 | 广西电网有限责任公司南宁供电局 | 10kV ground cable channel hidden danger early warning system based on remote monitoring |
| CN115116210A (en) * | 2022-06-28 | 2022-09-27 | 武汉翰林文融教育咨询有限公司 | Wisdom campus construction student electricity consumption safety monitoring early warning system of internet of things |
| CN115116210B (en) * | 2022-06-28 | 2023-09-12 | 蒯志清 | Intelligent campus construction student electricity safety monitoring and early warning system based on Internet of things technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109149569B (en) | 2023-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105720585B (en) | The reactive power control method and system of wind power plant cluster | |
| CN103715700A (en) | Reactive power control system and control method applicable to wind farm grid-connection point voltage control | |
| CN203534587U (en) | Real-time monitoring system for tilting of power transmission line pole tower based on Beidou satellite communication | |
| CN105337318B (en) | Wind turbines generator operation as synchronous condenser aptitude tests method and system | |
| CN102299520B (en) | Reactive power compensation method and system for micro power grid | |
| CN205647037U (en) | Join in marriage power information intelligent management terminal | |
| CN202475017U (en) | System integrated with regulation and control based on networked protection | |
| CN106786679A (en) | Agriculture net platform region electric energy voltage balancing control system and method based on Real-time Power Flow | |
| CN111122958A (en) | Intelligent remote monitoring and accurate positioning system for action of lightning arrester of power transmission line | |
| CN110137988A (en) | Active distribution network energy-storage system constant volume Site planning method and system containing photovoltaic | |
| CN107171640A (en) | A kind of photovoltaic module monitoring device and photovoltaic generating system | |
| CN106505608B (en) | Meter and the distributed generation resource calculation of penetration level method of capacity of short circuit constraint | |
| CN109149569A (en) | A kind of voltage based on network system and amperometry processing system | |
| CN108539757A (en) | The reactive power dispatching method of power distribution network light accumulation | |
| CN108281959A (en) | A kind of bulk transmission grid optimization method of high proportion type power system of renewable energy | |
| CN105048498B (en) | For how wind farm grid-connected dispatching patcher | |
| CN108256770A (en) | Photo-voltaic power generation station O＆M managing and control system based on mobile application | |
| CN104484728B (en) | A kind of power grid security comprehensive index system framework method | |
| CN108536917A (en) | A kind of distributed computing method of transmission and distribution network overall situation Voltage Stability Control | |
| CN209764004U (en) | Icing thickness measuring device based on variable-medium capacitive sensor | |
| CN206431198U (en) | Thunder and lightning monitoring and early warning device | |
| CN105204466A (en) | Online electric energy managing device based on CDMA network telecommunication | |
| CN105226667B (en) | A kind of wind-powered electricity generation collects the analysis method and device of regional voltage sensibility | |
| CN202565025U (en) | Alternating-current distribution multi-loop monitoring system | |
| CN110568258A (en) | Intelligent metering terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |