CN114398584A - Remote test method and system for hydroelectric generating set, electronic equipment and storage medium - Google Patents
Remote test method and system for hydroelectric generating set, electronic equipment and storage medium Download PDFInfo
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Abstract
The application relates to a hydroelectric generating set remote test method, a system, electronic equipment and a storage medium, belonging to the technical field of hydroelectric power generation, wherein the hydroelectric generating set remote test method comprises the following steps: acquiring configured data, collecting test data and extracting the data according to a preset rule; calculating a test result based on the extracted data, wherein the test result comprises a working water head of the water turbine, efficiency of the water turbine, working parameters and water consumption rate of the unit; and generating a test report according to the test result. The online remote experiment can be realized, the safety can be guaranteed, the experiment can be carried out under the condition of not stopping power generation, the experiment cost is saved, and the experiment efficiency is improved.
Description
Technical Field
The application relates to the technical field of hydroelectric power generation, in particular to a method and a system for a hydroelectric generating set remote test, electronic equipment and a storage medium.
Background
At present, a computer monitoring system, a regimen and water regulation system, a relay protection system and other systems are generally equipped in a hydraulic power plant in China, the automatic systems for unit state monitoring, dam monitoring and metering and the like are also in initial scale, but the related test of the hydroelectric generating set still adopts an in-situ test mode.
The following disadvantages exist for carrying out the in situ test: (1) has certain potential safety hazard: because test equipment needs to be additionally installed (the test equipment needs to be removed after the test is finished) when the in-situ test is carried out, the power plant still has certain potential safety hazard although sufficient safety measures are taken; (2) influence power plant economic benefits, and the test cost is higher: and (3) carrying out the on-site test of the unit, stopping to install and remove the test equipment, wherein the unit cannot generate electricity during the test, and the test unit is loaded according to the test working condition and cannot generate electricity normally during the test. This all directly affects the plant economics. In addition, most hydraulic power plants are far away, the traffic is inconvenient, the test time period is long, the manpower and time consumption of traveling is large, and the test cost is high.
Disclosure of Invention
The embodiment of the application provides a hydroelectric generating set remote test method, a hydroelectric generating set remote test system, electronic equipment and a storage medium, and aims to solve the problems that potential safety hazards exist in a field test mode in the related technology, the test cost is high, and the efficiency is low.
In a first aspect, an embodiment of the present application provides a hydroelectric generating set remote test method, including: acquiring configured data, collecting test data and extracting the data according to a preset rule; calculating test results based on the extracted data, wherein the test results comprise a water turbine working head, water turbine efficiency, working parameters and unit water consumption rate; and generating a test report according to the test result.
In some of these embodiments, the configured data includes plant information, unit information, power, upstream and downstream water levels, and test start and stop times.
In some embodiments, the extracting data according to the preset rule includes:
judging whether the collected test data is data under a stable working condition, wherein the judgment formula is as follows:
wherein, PSetting upFor set unit power, PtThe power of the unit at time t;
and if so, extracting data of a preset time period under the stable working condition.
In some of these embodiments, the calculating the test result based on the extracted data comprises:
calculating the operating head of the water turbine according to the following formula:
Hn＝Z1+Pl/γ+V1/2g-Z2
wherein HnRepresenting the operating head of the turbine; z1Representing the mounting elevation of the volute inlet pressure transmitter; p1Representing a volute inlet pressure transmitter reading; gamma represents the volume weight of water; v1Representing the volute inlet cross-sectional flow rate; g represents the gravitational acceleration; z2Indicating the tail water surge chamber water level.
In some of these embodiments, the calculating the test result based on the extracted data comprises:
calculating the efficiency of the water turbine according to the following formula:
ηu＝Ng/(γ·Q·Hn)×100％
ηt＝ηu/ηg
wherein eta istRepresenting the turbine efficiency; etagRepresenting the generator efficiency provided by the equipment manufacturer; etauRepresenting the unit efficiency; n is a radical ofgRepresenting the unit power; q represents a flow rate; hnRepresenting the operating head of the turbine; γ represents the volume weight of water.
In some of these embodiments, the operating parameters include flow at average operating head and unit power at average operating head, and the calculating test results based on the extracted data includes:
calculating the flow under the average working head and the unit power under the average working head according to the following formula:
Q’＝Q(Hnav/Hn)1/2
Ng’＝Ng(Hnav/Hn)3/2
wherein Q represents flow; hnavRepresents the average operating head; hnRepresenting the operating head of the turbine; q' represents the flow at the average operating head; n is a radical ofgRepresenting the unit power; n is a radical ofg' denotes the unit power at the average operating head.
In some of these embodiments, the calculating the test result based on the extracted data comprises:
calculating the unit water consumption rate according to the following formula:
q＝3600Q’/Ng’
wherein q represents the unit water consumption rate.
In a second aspect, an embodiment of the present application provides a hydroelectric generating set remote test system, including: the device comprises an extraction module, a calculation module and a generation module. The extraction module is used for acquiring configured data, collecting test data and extracting the data according to a preset rule; the calculation module is used for calculating a test result based on the extracted data, wherein the test result comprises a water turbine working water head, water turbine efficiency, working parameters and unit water consumption rate; and the generating module is used for generating a test report according to the test result.
In a third aspect, an embodiment of the present application provides an electronic device, including a memory and a processor, where the memory stores a computer program, and the processor is configured to execute the computer program to perform any one of the methods described above.
In a fourth aspect, an embodiment of the present application provides a storage medium, in which a computer program is stored, where the computer program is configured to execute any one of the methods described above when the computer program runs.
Compare in correlation technique, the hydroelectric set remote test method that this application embodiment provided includes: acquiring configured data, collecting test data and extracting the data according to a preset rule; calculating a test result based on the extracted data, wherein the test result comprises a working water head of the water turbine, efficiency of the water turbine, working parameters and water consumption rate of the unit; and generating a test report according to the test result. The online remote experiment can be realized, the safety can be guaranteed, the experiment can be carried out under the condition of not stopping power generation, the experiment cost is saved, and the experiment efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a flowchart of a hydroelectric generating set remote testing method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a hydroelectric generating set remote test system according to an embodiment of the application;
fig. 3 is a schematic diagram of an internal structure of an electronic device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The present application is directed to the use of the terms "including," "comprising," "having," and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Reference to "connected," "coupled," and the like in this application is not intended to be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Reference herein to "a plurality" means greater than or equal to two. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.
The method and the device have the advantages that potential safety hazards exist in a site test mode in the related technology, test cost is high, efficiency is low, power generation benefits are improved, service quality is improved, work efficiency is improved, and test cost is saved, so that the method and the device are very important for developing research work. Therefore, the embodiment of the application provides a hydroelectric generating set remote test method, which is established on the basis of an integrated, unified and strong software and hardware platform, automatically obtains the running condition information of the hydroelectric generating set by applying an advanced sensing and measuring technology, and realizes the collection and analysis of the running data of the hydroelectric generating set test condition set by adopting a reliable control method and an intelligent decision support technology, thereby maximizing the test efficiency and benefit of the hydroelectric generating set.
As an example, fig. 1 is a flowchart of a hydroelectric generating set remote test method according to an embodiment of the present application, and as shown in fig. 1, the method includes the following steps:
s101: acquiring configured data, collecting test data and extracting the data according to a preset rule;
s102: calculating a test result based on the extracted data, wherein the test result comprises a working water head of the water turbine, efficiency of the water turbine, working parameters and water consumption rate of the unit;
s103: and generating a test report according to the test result.
Based on the content, the embodiment of the application can realize online remote experiment, can ensure the safety, can perform experiment under the condition of not stopping power generation, not only saves the experiment cost, but also improves the experiment efficiency.
In order to more clearly illustrate the embodiments of the present application, the following description will be given in detail by way of examples.
Firstly, necessary sensors and signal processing devices are configured according to the requirements of unit remote tests (such as stability tests, dynamic balance tests, generator maximum output tests, ventilation temperature rise tests and the like) so as to obtain data required by a remote test system. Meanwhile, according to the actual situation of the hydraulic power plant, data are transmitted to a data acquisition and processing server through systems such as computer monitoring, unit state online monitoring and the like or directly.
In some embodiments, the sensors include a power transmitter, a wattage sensor, a plurality of core temperature sensors, a vibration sensor, a throw sensor, a pressure pulsation sensor, and the like.
In the aspect of data storage, the data storage is realized by taking the real-time/relational database as a carrier, and after the remote test system finishes receiving the data, the data is sent to the real-time/relational database for storage. The data storage must guarantee the security of the data storage, possess and back up and restore the mechanism. The data stored in the remote test system are mainly dynamic data, static data and switching value. The dynamic data refers to data which rapidly change along with time in system application, and mainly comprises a unit vibration signal, a rotating speed, power and the like; static data varies slowly with time, such as temperature, pressure, etc.
For dynamic data, a local storage strategy is adopted, the data is directly stored in a data acquisition and processing server deployed in a hydraulic power plant, and when a unit is tested on line, a remote testing system can extract relevant data from the data acquisition and processing server of the hydraulic power plant to be deployed in a data center according to the requirement; when the unit state is analyzed on line, the remote test system utilizes a data thinning technology, including event-based data thinning, time-based data thinning and the like, so as to reduce the data transmission and storage pressure. When the monitoring data is normal, compressing a certain section of data (one hour or one day) into a sensitive characteristic index or only reserving a small section of original data for transmission and storage by using a time-based data thinning technology; when the equipment starts or stops, triggering data thinning based on events, and completely storing and transmitting start-stop data; when the equipment fails, all original data are stored and transmitted within 2 hours before and after the failure.
For static data and switching value, the static data and the switching value are stored in a data acquisition and processing server of a hydraulic power plant, and are transmitted to a real-time/relational database for storage after data standardization and data quality control so as to realize a remote test function.
In the aspect of data security, a security protection design is carried out according to the principles of 'security partition, network special, transverse isolation and longitudinal authentication', and main security measures comprise: (1) the system is provided with a hardware gateway and a firewall, establishes an intrusion detection system, realizes data packet filtering detection, state detection, intrusion prevention and the like, and ensures the operation safety of a host system through a safety strategy; (2) the platform sets data management and network management functions to realize redundant backup and disaster recovery of data and host equipment of the application system. (3) Establishing security authentication, transmission encryption protection and identity authentication of important information, and establishing a virus prevention system of each information system.
Optionally, the remote testing system in the embodiment of the present application configures an application interface, which supports future extensions of the system, such as system application extension and new equipment extension. The unit remote test is to acquire required unit operation data from the acquired time sequence data according to the requirements of relevant test conditions of the unit under the condition that the accuracy of the instrument meets the requirements in a specific time period.
Then, step S101, obtaining configured data, for example, including power plant information, unit information, power, upstream and downstream water levels, test start and stop time, and the like; then, test data are collected and extracted according to preset rules.
In some of these embodiments, the step of data extraction comprises: judging whether the collected test data is data under a stable working condition, wherein the judgment formula is as follows:
wherein, PSetting upFor set unit power, PtThe power of the unit at time t;
if yes, extracting data of a preset time period under a stable working condition; if not, the system continues (or re) reading the data. It should be noted that the value of t represents a continuous time, which can be set according to the test conditions, and is generally not less than 10 minutes; the preset time period may be 5 minutes.
Optionally, a raw data record table is generated according to the collected data and/or the extracted data.
Step S102: and calculating test results based on the extracted data, wherein the test results comprise the working water head of the water turbine, the efficiency of the water turbine, working parameters and the water consumption rate of the unit.
In some embodiments, the calculation formula of the turbine operating head is as follows:
Hn＝Z1+P1/γ+V1/2g-Z2
wherein HnRepresenting the operating head of the water turbine; z1Representing the mounting elevation of the volute inlet pressure transmitter; p1Representing a volute inlet pressure transmitter reading; gamma represents the volume weight of water; v1Representing the volute inlet cross-sectional flow rate; g represents the gravitational acceleration; z2Indicating the tail water surge chamber water level.
In some embodiments, the above calculation formula of the turbine efficiency is as follows:
ηu＝Ng/(γ·Q·Hn)×100％
ηt＝ηu/ηg
wherein eta istRepresenting the efficiency of the water turbine; etagRepresenting the generator efficiency provided by the equipment manufacturer; etauRepresenting the unit efficiency; n is a radical ofgRepresenting the unit power; q represents a flow rate; hnRepresenting the operating head of the water turbine; γ represents the volume weight of water.
In some embodiments, the operating parameters include flow rate at an average operating head and unit power at the average operating head, and the flow rate at the average operating head and the unit power at the average operating head are calculated according to the following formula:
Q’＝Q(Hnav/Hn)1/2
Ng’＝Ng(Hnav/Hn)3/2
wherein Q represents flow; hnavRepresents the average operating head; hnRepresenting the operating head of the water turbine; q' represents the flow at average operating head; n is a radical ofgRepresenting the unit power; n is a radical ofg' denotes the unit power at average operating head.
In some embodiments, the calculation formula of the unit water consumption rate is as follows:
q＝3600Q’/Ng’
wherein q represents the water consumption rate of the unit.
Step S103: and generating a test report according to the test result. Optionally, analysis tables, graphs, universal descriptions, etc. are generated, as well as test reports in a prescribed format.
Furthermore, the test report can be modified on line, wherein the data of the table and the curve graph can be linked with the data stored in the database, such as curve replacement, data increase and decrease and the like. The system supports the work of deleting and uploading reports and the like, and comprises test work starting time and end time records, test project progress, inquiry and statistics, report completion rate display, tester display and the like. Furthermore, real-time curves (efficiency), comparison of test results of previous times, waveform analysis and the like can be performed.
In addition, in the aspect of system management, the embodiment of the application can manage and assign the authority to the testers and the test report compiling personnel; each test has its own data requirement, and in order to ensure the flexibility and convenience of the system and develop the management function of the data configuration table, after the test name is selected, the data measuring point option in the data screening function extracts the measuring point from the database according to the corresponding test data configuration table. The data configuration table can be compiled based on kks uniform coding; the method is realized by a professional report and report generation module. Shared use with applications on other platforms. Defining a report format magic board according to the requirement of an electric academy test report, and quickly calling a test report generation function; the basic data comprises basic condition introduction of the power plant, unit type, main parameters, a comprehensive running characteristic curve of the hydraulic generator, a generator efficiency curve, parameters of a sensor installed in the power plant, the inspection condition of a measuring element and the like.
In summary, the embodiment of the application can achieve the following beneficial effects:
(1) increase the efficiency of coordinated operation of power plant and power grid
The remote test can avoid the power plant to apply corresponding load to the power grid, does not influence the power generation of the power plant, reduces to increase 1 week of power generation time in each test, calculates according to the unit installation 250MW, and the utilization hour of each day is 8 hours, when increasing the generated electricity quantity 1400 ten thousand kilowatts, economic benefits are about 336 ten thousand yuan each time. In addition, the hydroelectric generating set can realize the coordinated control of a plant and a network in an online test, the electric energy quality is improved, the supporting capability of a hydroelectric power plant on frequency modulation, peak shaving and accident standby of a power grid is improved, the consumption capability of the power grid on power generation of clean energy such as wind energy, solar energy and the like is improved, and a strong support is provided for the integrated construction of the intelligent power grid.
(2) Improve the management level and the labor productivity
The development of the on-line remote test system can finish the acquisition, the arrangement, the analysis and the processing of test data, the writing of reports, testers and the like on the on-line test system, can realize efficient, cooperative and unified management, and creates good conditions for improving the working efficiency and the management level of power stations and test units.
(3) Saving the manpower and time cost of travel
Each test in place needs 3-5 persons, 1 week or so, and the travel and test consumable cost is about 3 ten thousand yuan. The test efficiency can be improved through the remote test, and the travel cost is saved. The development of the online test of the hydroelectric generating set can directly save the travel and test time cost to the maximum.
(4) The hydroelectric generating set remote test can realize remote hydropower station field test and also can provide human-computer interaction self-service field performance test for a plurality of hydropower stations. When the power stations required to be tested on site are multiple, the method is not limited by limited testing equipment and limited professional technicians.
The design and the application of the remote test scheme of the hydroelectric generating set have important significance for development of various related tests of the hydroelectric generating set and development of the hydroelectric industry, the scheme of the application provides practical basis for development and construction of other service functions of a digital hydroelectric power plant, lays a foundation for construction standards of an intelligent hydroelectric power plant, and has wide application prospect.
The embodiment of the present application still provides a hydroelectric set remote test system, and fig. 2 is the schematic structural diagram of hydroelectric set remote test system according to the embodiment of the present application, as shown in fig. 2, this system includes: the device comprises an extraction module 1, a calculation module 2 and a generation module 3.
The extraction module 1 is used for acquiring configured data, collecting test data and extracting the data according to a preset rule;
the calculation module 2 is used for calculating a test result based on the extracted data, wherein the test result comprises a working water head of the water turbine, efficiency of the water turbine, working parameters and water consumption rate of the unit;
the generating module 3 is used for generating a test report according to the test result.
The above modules may be functional modules or program modules, and may be implemented by software or hardware. For a module implemented by hardware, the modules may be located in the same processor; or the modules can be respectively positioned in different processors in any combination.
For specific examples in this embodiment, reference may be made to the examples described in the above embodiments and optional implementation manners, and details of this embodiment are not described herein again.
In addition, combine the hydroelectric set remote test method in above-mentioned embodiment, this application embodiment can provide a storage medium to realize. The storage medium having stored thereon a computer program; when being executed by a processor, the computer program realizes the remote test method of the water-turbine generator set in any one of the embodiments.
An embodiment of the present application also provides an electronic device, which may be a terminal. The electronic device comprises a processor, a memory, a network interface, a display screen and an input device which are connected through a system bus. Wherein the processor of the electronic device is configured to provide computing and control capabilities. The memory of the electronic equipment comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the electronic device is used for connecting and communicating with an external terminal through a network. The computer program is executed by a processor to realize a remote testing method of the hydroelectric generating set. The display screen of the electronic equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the electronic equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the electronic equipment, an external keyboard, a touch pad or a mouse and the like.
In one embodiment, fig. 3 is a schematic diagram of an internal structure of an electronic device according to an embodiment of the present application, and as shown in fig. 3, there is provided an electronic device, which may be a server, and its internal structure diagram may be as shown in fig. 3. The electronic device comprises a processor, a network interface, an internal memory and a non-volatile memory connected by an internal bus, wherein the non-volatile memory stores an operating system, a computer program and a database. The processor is used for providing calculation and control capacity, the network interface is used for communicating with an external terminal through network connection, the internal storage is used for providing an environment for an operating system and running of a computer program, the computer program is executed by the processor to realize a remote testing method of the hydroelectric generating set, and the database is used for storing data.
Those skilled in the art will appreciate that the architecture shown in fig. 3 is a block diagram of only a portion of the architecture associated with the subject application, and does not constitute a limitation on the electronic devices to which the subject application may be applied, and that a particular electronic device may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
It should be understood by those skilled in the art that various features of the above-described embodiments can be combined in any combination, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in detail, but rather, all combinations of features which are not inconsistent with each other should be construed as being within the scope of the present disclosure.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A hydroelectric generating set remote test method is characterized by comprising the following steps:
acquiring configured data, collecting test data and extracting the data according to a preset rule;
calculating test results based on the extracted data, wherein the test results comprise a water turbine working head, water turbine efficiency, working parameters and unit water consumption rate;
and generating a test report according to the test result.
2. The method of claim 1, wherein the configured data includes plant information, unit information, power, upstream and downstream water levels, and test start and stop times.
3. The method of claim 1, wherein the extracting data according to the preset rule comprises:
judging whether the collected test data is data under a stable working condition, wherein the judgment formula is as follows:
wherein, PSetting upFor set unit power, PtThe power of the unit at time t;
and if so, extracting data of a preset time period under the stable working condition.
4. The method of claim 1, wherein the calculating the test results based on the extracted data comprises:
calculating the operating head of the water turbine according to the following formula:
Hn＝Z1+Pl/γ+V1/2g-Z2
wherein HnRepresenting the operating head of the turbine; z1Representing the mounting elevation of the volute inlet pressure transmitter; p1Representing a volute inlet pressure transmitter reading; gamma represents the volume weight of water; v1Representing the volute inlet cross-sectional flow rate; g represents the gravitational acceleration; z2Indicating the tail water surge chamber water level.
5. The method of claim 1, wherein the calculating the test results based on the extracted data comprises:
calculating the efficiency of the water turbine according to the following formula:
ηu＝Ng/(γ·Q·Hn)×100％
ηt＝ηu/ηg
wherein eta istRepresenting the turbine efficiency; etagRepresenting the generator efficiency provided by the equipment manufacturer; etauRepresenting the unit efficiency; n is a radical ofgRepresenting the unit power; q represents a flow rate; hnRepresenting the operating head of the turbine; γ represents the volume weight of water.
6. The method of claim 1, wherein the operating parameters include flow at average operating head and unit power at average operating head, and wherein calculating test results based on the extracted data comprises:
calculating the flow under the average working head and the unit power under the average working head according to the following formula:
Q’＝Q(Hnav/Hn)I/2
Ng’＝Ng(Hnav/Hn)3/2
wherein Q represents flow; hnavRepresents the average operating head; hnRepresenting the operating head of the turbine; q' represents the flow at the average operating head; n is a radical ofgRepresenting the unit power; n is a radical ofg' denotes the unit power at the average operating head.
7. The method of claim 6, wherein the calculating the test results based on the extracted data comprises:
calculating the unit water consumption rate according to the following formula:
q＝3600Q’/Ng’
wherein q represents the unit water consumption rate.
8. The utility model provides a hydroelectric set remote test system which characterized in that includes:
the extraction module is used for acquiring configured data, collecting test data and extracting the data according to a preset rule;
the calculation module is used for calculating a test result based on the extracted data, wherein the test result comprises a working water head of the water turbine, efficiency of the water turbine, working parameters and water consumption rate of the unit;
and the generating module is used for generating a test report according to the test result.
9. An electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, and wherein the processor is arranged to execute the computer program to perform the method of any of claims 1 to 7.
10. A storage medium, in which a computer program is stored, wherein the computer program is arranged to perform the method of any one of claims 1 to 7 when executed.
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| CN115573845A (en) * | 2022-09-14 | 2023-01-06 | 华电电力科学研究院有限公司 | Runout trend early warning method and system fusing on-line and off-line data of unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115573845A (en) * | 2022-09-14 | 2023-01-06 | 华电电力科学研究院有限公司 | Runout trend early warning method and system fusing on-line and off-line data of unit |
| CN115573845B (en) * | 2022-09-14 | 2023-07-25 | 华电电力科学研究院有限公司 | Runout trend early warning method and system for offline data of fusion unit |
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