CN108539800A - AGC closed loop test method and device - Google Patents
AGC closed loop test method and device Download PDFInfo
- Publication number
- CN108539800A CN108539800A CN201810225134.1A CN201810225134A CN108539800A CN 108539800 A CN108539800 A CN 108539800A CN 201810225134 A CN201810225134 A CN 201810225134A CN 108539800 A CN108539800 A CN 108539800A
- Authority
- CN
- China
- Prior art keywords
- generator
- power
- power grid
- control command
- control strategy
- 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.)
- Pending
Links
- 238000010998 test method Methods 0.000 title claims abstract description 11
- 238000011217 control strategy Methods 0.000 claims abstract description 109
- 238000004088 simulation Methods 0.000 claims abstract description 63
- 238000012360 testing method Methods 0.000 claims abstract description 43
- 238000012545 processing Methods 0.000 claims abstract description 10
- 230000001276 controlling effect Effects 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000013475 authorization Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013524 data verification Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/48—Controlling the sharing of the in-phase component
-
- 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
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses an AGC closed loop test method, which comprises the following steps: responding to a generator control command, adjusting the active output of a generator in the simulation power grid, and generating power grid data; the simulation power grid is a pre-established simulation power grid for simulating an actual power grid, and comprises at least one power plant; collecting power grid data, and processing and checking the power grid data; generating a main control command according to the power grid data and a control strategy of the power plant; the control strategy of the power plant is a preset control strategy for controlling the working state of the power plant, and the power plant comprises at least one generator; responding to the main control command, and generating a corresponding generator control command according to the main control command; and judging whether the control strategy of the power plant conforms to an expected control strategy or not according to the active output of the generator. The invention also discloses an AGC closed loop testing device. By adopting the embodiment of the invention, an accurate AGC test environment can be provided for the production and operation of the power grid, and the test risk is reduced.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to an AGC closed loop test method and device.
Background
AGC (automatic generation control) is an important function in EMS (energy management system) with the control aim of reducing the ACE (area error) generated due to load variations in the grid to zero. The dispatching center can adjust the power generation output of the power grid and the load balance of the power grid through AGC, and adjust the ACE of the power grid frequency to zero, so that the power grid frequency keeps a rated value, and the system is in an economic operation state. Therefore, the normal operation of the AGC function is directly related to the economic operation, even the safe operation, of the power grid, and the AGC function and its control strategy are tested in detail before being put into operation. However, the AGC closed-loop control test requires an AGC power plant and a unit to perform an actual control test, before each test, it is necessary to check whether a test preparation working condition is ready, and then the test is performed according to a determined test technology, a measure scheme and test steps, the flow is complex, and when the scheduling authorization of the power grid is involved, the actual power grid operation is directly affected, and a certain risk is caused.
Disclosure of Invention
The embodiment of the invention aims to provide an AGC closed loop test method and device, which can provide an accurate AGC test environment for power grid production and operation and reduce test risks.
In order to achieve the above object, an embodiment of the present invention provides an AGC closed-loop testing method, including:
responding to a generator control command, and adjusting the active output of a generator in the simulated power grid according to the generator control command so as to generate power grid data; the simulation power grid is a pre-established simulation power grid used for simulating an actual power grid, and the simulation power grid comprises at least one power plant;
collecting the power grid data, and processing and checking the power grid data;
generating a main control command according to the power grid data and a control strategy of the power plant; the control strategy of the power plant is a preset control strategy for controlling the working state of the power plant, and the power plant comprises at least one generator;
responding to the main control command, and generating a corresponding generator control command according to the main control command;
and judging whether the control strategy of the power plant conforms to an expected control strategy or not according to the active output of the generator.
Compared with the prior art, the AGC closed loop test method disclosed by the embodiment of the invention is characterized in that the power grid data in a simulation power grid are collected, the main control command is generated according to the power grid data and the preset control strategy of the power plant, the corresponding generator control command is generated according to the main control command, the active output of the generator in the simulation power grid is adjusted according to the generator control command, and finally whether the control strategy of the power plant meets the expected control strategy or not is judged according to the active output of the generator. The problems that in the prior art, AGC closed-loop control testing needs an AGC power plant and a unit to perform actual control testing, the flow is complex, actual power grid operation can be directly influenced when scheduling authorization of a power grid is involved, and certain risks exist are solved, an accurate AGC testing environment can be provided for power grid production operation, and the testing risk is reduced.
As an improvement of the above scheme, the responding to the master control command and generating a corresponding generator control command according to the master control command specifically includes:
responding to the main control command, and generating a corresponding generator control command according to the main control command and a control strategy of the generator; the control strategy of the generator is a preset control strategy for controlling the working state of the generator.
As an improvement of the above solution, the determining whether the control strategy of the power plant conforms to an expected control strategy according to the active power output of the generator specifically includes:
and when the active output of the generator enables the power grid frequency of the simulation power grid to reach a preset power grid frequency or the exchange power between the generators to reach a preset exchange power, judging that the control strategy of the power plant conforms to an expected control strategy.
As an improvement of the above scheme, the grid data specifically includes ac line grid data and generator grid data; wherein,
the AC line power grid data comprises AC line active power, AC line reactive power and AC line switch states;
the generator power grid data comprise generator active power, generator reactive power, generator system frequency, generator regional exchange power and the state of a generator programmable logic controller.
In order to achieve the above object, an embodiment of the present invention further provides an AGC closed-loop testing apparatus, including:
the real-time simulation module is used for building a simulation power grid, the simulation power grid is a pre-built simulation power grid used for simulating an actual power grid, and the simulation power grid comprises at least one power plant; the power grid simulation system is also used for responding to a generator control command and regulating the active output of a generator in the simulated power grid according to the generator control command so as to generate power grid data;
the data acquisition module is used for acquiring the power grid data and processing and verifying the power grid data;
the AGC master station module is used for making a control strategy of the power plant and generating a main control command according to the power grid data and the control strategy of the power plant; wherein a control strategy of the power plant is used to control an operating state of the power plant, the power plant comprising at least one generator;
the AGC substation module is used for responding to the main control command and generating a corresponding generator control command according to the main control command;
and the judging module is used for judging whether the control strategy of the power plant conforms to an expected control strategy or not according to the active output of the generator.
Compared with the prior art, the AGC closed loop testing device disclosed by the embodiment of the invention acquires power grid data in a simulation power grid in a real-time simulation module through a data acquisition module, and generates a main control command according to the power grid data and a preset control strategy of a power plant through an AGC main station module, so that an AGC sub-station module generates a corresponding generator control command according to the main control command, the real-time simulation module adjusts the active output of a generator in the simulation power grid according to the generator control command, and finally a judgment module judges whether the control strategy of the power plant meets an expected control strategy according to the active output of the generator. The problems that in the prior art, AGC closed-loop control testing needs an AGC power plant and a unit to perform actual control testing, the flow is complex, actual power grid operation can be directly influenced when scheduling authorization of a power grid is involved, and certain risks exist are solved, an accurate AGC testing environment can be provided for power grid production operation, and the testing risk is reduced.
As an improvement of the above scheme, the AGC substation module is specifically configured to formulate a control strategy of the generator, and is further configured to respond to the main control command and generate a corresponding generator control command according to the main control command and the control strategy of the generator; wherein the control strategy of the generator is used to control the operating state of the generator.
As an improvement of the above scheme, the determining module is specifically configured to determine that the control strategy of the power plant conforms to an expected control strategy when the active output of the generator makes the grid frequency of the analog grid reach a preset grid frequency or the exchange power between the generators reach a preset exchange power.
As an improvement of the above scheme, the grid data specifically includes ac line grid data and generator grid data; wherein,
the AC line power grid data comprises AC line active power, AC line reactive power and AC line switch states;
the generator power grid data comprise generator active power, generator reactive power, generator system frequency, generator regional exchange power and the state of a generator programmable logic controller.
Drawings
Fig. 1 is a flowchart of an AGC closed-loop test method according to an embodiment of the present invention;
fig. 2 is a block diagram of an AGC closed-loop testing apparatus according to an embodiment of the present invention;
fig. 3 is a block diagram of a data acquisition module in an AGC closed-loop testing apparatus according to an embodiment of the present invention;
fig. 4 is a block diagram of an AGC main station module in an AGC closed-loop testing apparatus according to an embodiment of the present invention;
fig. 5 is a block diagram of an AGC sub-station module in an AGC closed-loop testing apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, fig. 1 is a flowchart of an AGC closed-loop testing method according to an embodiment of the present invention; the method comprises the following steps:
s1, responding to a generator control command, and adjusting the active output of a generator in the simulated power grid according to the generator control command, so as to generate power grid data;
the simulation power grid is a pre-established simulation power grid used for simulating an actual power grid, and the simulation power grid comprises at least one power plant;
s2, collecting the power grid data, and processing and checking the power grid data;
s3, generating a main control command according to the power grid data and a control strategy of the power plant; the control strategy of the power plant is a preset control strategy for controlling the working state of the power plant, and the power plant comprises at least one generator;
s4, responding the main control command, and generating a corresponding generator control command according to the main control command;
and S5, judging whether the control strategy of the power plant conforms to an expected control strategy according to the active output of the generator.
Wherein, step S4 specifically includes:
responding to the main control command, and generating a corresponding generator control command according to the main control command and a control strategy of the generator; the control strategy of the generator is a preset control strategy for controlling the working state of the generator.
Wherein, step S5 specifically includes:
and when the active output of the generator enables the power grid frequency of the simulation power grid to reach a preset power grid frequency or the exchange power between the generators to reach a preset exchange power, judging that the control strategy of the power plant conforms to an expected control strategy.
Specifically, in step S1, the simulation grid may be pre-constructed, and the simulation grid includes at least one power plant including an ac line, a transformer, and at least one generator. Preferably, the simulation power grid adopts a simulation mode of fixed simulation step length. And when a generator control command is received, starting to respond to the generator control command, and adjusting the active output of a generator in the simulated power grid according to the generator control command, so as to generate power grid data. Wherein the active output refers to the output power of the generator.
It is preferred. The grid data comprises alternating current line grid data and generator grid data; the power grid data of the alternating current line comprises active power of the alternating current line, reactive power of the alternating current line and a switching state of the alternating current line; the generator power grid data comprise generator active power, generator reactive power, generator system frequency, generator regional exchange power and the state of a generator programmable logic controller.
Specifically, in step S2, the power grid data is collected, and the power grid data is processed and verified, where it is determined whether the currently received power grid data matches a preset standard value, and if yes, the verification is successful; and if not, marking the current power grid data as damaged power grid data.
Specifically, in step S3, a control strategy of the power plant for controlling the operating state of the power plant is preset, and since the power grid includes at least one power plant, the control strategy of the power plant can control any one power plant according to the operating condition of the entire power grid. At this time, a main control command is generated according to the power grid data and a control strategy of the power plant. Preferably, the current power plant is not controlled when the corrupted grid data is received.
Specifically, in step S4, responding to the main control command, and generating a corresponding generator control command according to the main control command; and the generator control command is used for controlling the active output of the generator. Preferably, when responding to the main control command, the main control command may be further converted according to a generator control strategy, and the main control command is converted into output control signals (i.e. the generator control command) of each generator in each power plant, where a generator control strategy for controlling an operating state of the generator is preset, because the power plant includes at least one generator, and therefore the generator control strategy can control any one generator in the power plant according to an operating condition of the whole power plant, and in practical applications, the output of each generator in one power plant is not evenly distributed, and the generator control strategy is required to control. Preferably, when there is only one generator in the power plant, the main control command is directly utilized, and the main control command does not need to be converted.
Specifically, in step S5, when the active power output of the generator in the simulated power grid is adjusted according to the generator control command, the power grid frequency of the simulated power grid and the exchange power between the generators are collected, and when the power grid frequency of the simulated power grid reaches a preset power grid frequency or the exchange power between the generators reaches a preset exchange power, it is determined that the control strategy of the power plant conforms to an expected control strategy.
Compared with the prior art, the AGC closed loop testing device disclosed by the embodiment of the invention acquires power grid data in a simulation power grid in a real-time simulation module through a data acquisition module, and generates a main control command according to the power grid data and a preset control strategy of a power plant through an AGC main station module, so that an AGC sub-station module generates a corresponding generator control command according to the main control command, the real-time simulation module adjusts the active output of a generator in the simulation power grid according to the generator control command, and finally a judgment module judges whether the control strategy of the power plant meets an expected control strategy according to the active output of the generator. The problems that in the prior art, AGC closed-loop control testing needs an AGC power plant and a unit to perform actual control testing, the flow is complex, actual power grid operation can be directly influenced when scheduling authorization of a power grid is involved, and certain risks exist are solved, an accurate AGC testing environment can be provided for power grid production operation, and the testing risk is reduced.
Example two
Referring to fig. 2, fig. 2 is a block diagram of an AGC closed-loop testing apparatus according to an embodiment of the present invention; the method comprises the following steps:
the real-time simulation module 10 is used for building a simulation power grid, the simulation power grid is a pre-built simulation power grid used for simulating an actual power grid, and the simulation power grid comprises at least one power plant; the power grid simulation system is also used for responding to a generator control command and regulating the active output of a generator in the simulated power grid according to the generator control command so as to generate power grid data;
the data acquisition module 20 is used for acquiring the power grid data, and processing and verifying the power grid data;
the AGC master station module 30 is configured to make a control strategy of the power plant, and further configured to generate a main control command according to the power grid data and the control strategy of the power plant; wherein a control strategy of the power plant is used to control an operating state of the power plant, the power plant comprising at least one generator;
the AGC substation module 40 is used for responding to the main control command and generating a corresponding generator control command according to the main control command;
and the judging module 50 is configured to judge whether the control strategy of the power plant conforms to an expected control strategy according to the active power output of the generator.
The AGC substation module 40 is specifically configured to respond to the main control command, and generate a corresponding generator control command according to the main control command and a generator control policy; the control strategy of the generator is a preset control strategy for controlling the working state of the generator.
The determining module 50 is specifically configured to determine that the control strategy of the power plant conforms to an expected control strategy when the active output of the generator makes the grid frequency of the analog grid reach a preset grid frequency or the exchange power between the generators reach a preset exchange power.
Specifically, the real-time simulation module 10 pre-constructs the simulation power grid, where the simulation power grid includes at least one power plant, and the power plant includes an ac line, a transformer, and at least one generator. Preferably, the simulation power grid adopts a simulation mode of fixed simulation step length. When a generator control command is received, the real-time simulation module 10 starts to respond to the generator control command, and adjusts and simulates active output of a generator in a power grid according to the generator control command, so as to generate power grid data. Wherein the active output refers to the output power of the generator.
It is preferred. The grid data comprises alternating current line grid data and generator grid data; the power grid data of the alternating current line comprises active power of the alternating current line, reactive power of the alternating current line and a switching state of the alternating current line; the generator power grid data comprise generator active power, generator reactive power, generator system frequency, generator regional exchange power and the state of a generator programmable logic controller.
Specifically, the data acquisition module 20 is connected to the real-time simulation module 10, and the data acquisition module 20 acquires the power grid data, and preferably, the data acquisition module 20 may be an SCADA (supervisory control and data acquisition) system or other data acquisition systems. The data acquisition module 20 processes and verifies the power grid data, and can determine whether the currently received power grid data is in accordance with a preset standard value, and if so, the verification is successful; and if not, marking the current power grid data as damaged power grid data.
Preferably, referring to fig. 3, the data acquisition module 20 includes a data verification unit 21 and a data processing unit 22, and the data verification unit 21 is connected to the data processing unit 22. The data verification unit 21 verifies the power grid data, judges whether the currently received power grid data is in accordance with a preset standard value, and if so, verifies successfully; if not, the data processing unit 22 marks the current grid data as damaged grid data.
Specifically, the AGC master station module 30 is connected to the data acquisition module 20, and the AGC master station module 30 is preset with a control strategy of the power plant for controlling the operating state of the power plant, because the analog power grid includes at least one power plant, the control strategy of the power plant can control any power plant according to the operating condition of the entire analog power grid. At this time, the AGC main station module 30 analyzes and calculates the grid data according to the control strategy of the power plant, so as to generate a main control command. Preferably, when the AGC master module 30 receives corrupted grid data, the AGC master module 30 will not control the current power plant. Preferably, the AGC main station module 30 is a local control device disposed in a dispatching (communication) center for analyzing and calculating and sending out control commands.
Preferably, referring to fig. 4, the AGC main station module 30 includes a power plant control strategy setting unit 31 and an analysis calculating unit 32, and the power plant control strategy setting unit 31 is connected to the analysis calculating unit 32. Wherein the power plant control strategy setting unit 31 sets a control strategy of the power plant for controlling an operating state of the power plant, and the analysis and calculation unit 32 is configured to perform analysis and calculation on the grid data according to the control strategy of the power plant, so as to generate a main control command.
Specifically, the AGC sub-station module 40 is connected to the real-time simulation module 10, the AGC sub-station module 40 responds to the main control command, generates a corresponding generator control command according to the main control command, and sends the generator control command to the real-time simulation module 10, and the real-time simulation module 10 is configured to control the active power output of the generator according to the generator control command. The AGC sub-station module 40 is a local control device operating in a power plant or a substation, and is configured to receive or execute a control instruction of the AGC main station 30.
Preferably, when responding to the main control command, the AGC sub-station module 40 may further convert the main control command according to a control strategy of the generator, and convert the main control command into output control signals (i.e. the generator control command) of each generator in each power plant, where the AGC sub-station module 40 is preset with a control strategy of the generator for controlling the operating state of the generator, because the power plant includes at least one generator, the control strategy of the generator can control any one generator in the power plant according to the operating condition of the whole power plant, and in practical applications, the output of each generator in one power plant is not evenly distributed, and needs to be controlled by the control strategy of the generator. Preferably, when there is only one generator in the power plant, the AGC sub-station module 40 directly uses the main control command sent by the AGC main station module 30, and does not need to convert the main control command.
Preferably, referring to fig. 5, the AGC substation module 40 includes a generator control strategy setting unit 41 and a control command converting unit 42, and the generator control strategy setting unit 41 is connected to the control command converting unit 42. The generator control strategy setting unit 41 is configured to set a generator control strategy for controlling the operating state of the generator, and the control command converting unit 42 is configured to convert the main control command according to the generator control strategy, and convert the main control command into an output control signal (i.e., the generator control command) of each generator in each power plant.
Specifically, the judging module 50 is connected to the data collecting module 20 and the AGC master station module 30, respectively, and when the judging module 50 adjusts the active output of the generator in the analog power grid according to the generator control command, the judging module 50 collects the power grid frequency of the analog power grid and the exchange power between the generators, and when the power grid frequency of the analog power grid reaches a preset power grid frequency or the exchange power between the generators reaches a preset exchange power, the judging module 50 determines that the control strategy of the power plant conforms to an expected control strategy. Preferably, the determining module 50 may be a microprocessor including a determining process.
Compared with the prior art, the AGC closed-loop testing device disclosed in the embodiment of the present invention acquires the grid data in the simulation grid in the real-time simulation module 10 through the data acquisition module 20, and generates the main control command according to the grid data and the preset control strategy of the power plant through the AGC main station module 30, so that the AGC sub-station module 40 generates the corresponding generator control command according to the main control command, and then the real-time simulation module 10 adjusts the active output of the generator in the simulation grid according to the generator control command, and finally the judgment module 50 judges whether the control strategy of the power plant meets the expected control strategy according to the active output of the generator. The problems that in the prior art, AGC closed-loop control testing needs an AGC power plant and a unit to perform actual control testing, the flow is complex, actual power grid operation can be directly influenced when scheduling authorization of a power grid is involved, and certain risks exist are solved, an accurate AGC testing environment can be provided for power grid production operation, and the testing risk is reduced.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (8)
1. An AGC closed loop test method, comprising:
responding to a generator control command, and adjusting the active output of a generator in the simulated power grid according to the generator control command so as to generate power grid data; the simulation power grid is a pre-established simulation power grid used for simulating an actual power grid, and the simulation power grid comprises at least one power plant;
collecting the power grid data, and processing and checking the power grid data;
generating a main control command according to the power grid data and a control strategy of the power plant; the control strategy of the power plant is a preset control strategy for controlling the working state of the power plant, and the power plant comprises at least one generator;
responding to the main control command, and generating a corresponding generator control command according to the main control command;
and judging whether the control strategy of the power plant conforms to an expected control strategy or not according to the active output of the generator.
2. The AGC closed-loop test method of claim 1, wherein the responding to the master control command and generating a corresponding generator control command according to the master control command specifically comprises:
responding to the main control command, and generating a corresponding generator control command according to the main control command and a control strategy of the generator; the control strategy of the generator is a preset control strategy for controlling the working state of the generator.
3. The AGC closed-loop test method of claim 1, wherein said determining whether the control strategy of the power plant complies with an expected control strategy based on the active power output of the generator specifically comprises:
and when the active output of the generator enables the power grid frequency of the simulation power grid to reach a preset power grid frequency or the exchange power between the generators to reach a preset exchange power, judging that the control strategy of the power plant conforms to an expected control strategy.
4. The AGC closed-loop test method of claim 1, wherein the grid data specifically includes ac line grid data and generator grid data; wherein,
the AC line power grid data comprises AC line active power, AC line reactive power and AC line switch states;
the generator power grid data comprise generator active power, generator reactive power, generator system frequency, generator regional exchange power and the state of a generator programmable logic controller.
5. An AGC closed loop test apparatus, comprising:
the real-time simulation module is used for building a simulation power grid, the simulation power grid is a pre-built simulation power grid used for simulating an actual power grid, and the simulation power grid comprises at least one power plant; the power grid simulation system is also used for responding to a generator control command and regulating the active output of a generator in the simulated power grid according to the generator control command so as to generate power grid data;
the data acquisition module is used for acquiring the power grid data and processing and verifying the power grid data;
the AGC master station module is used for making a control strategy of the power plant and generating a main control command according to the power grid data and the control strategy of the power plant; wherein a control strategy of the power plant is used to control an operating state of the power plant, the power plant comprising at least one generator;
the AGC substation module is used for responding to the main control command and generating a corresponding generator control command according to the main control command;
and the judging module is used for judging whether the control strategy of the power plant conforms to an expected control strategy or not according to the active output of the generator.
6. The AGC closed-loop testing device of claim 5, wherein the AGC sub-station module is specifically configured to formulate a control strategy of the generator, and further configured to respond to the main control command and generate a corresponding generator control command according to the main control command and the control strategy of the generator; wherein the control strategy of the generator is used to control the operating state of the generator.
7. The AGC closed-loop test apparatus of claim 5, wherein the determining module is specifically configured to determine that the control strategy of the power plant complies with an expected control strategy when the active power output of the generator causes the grid frequency of the analog power grid to reach a preset grid frequency or the exchange power between the generators to reach a preset exchange power.
8. The AGC closed-loop test arrangement of claim 5, wherein the grid data comprises in particular ac line grid data and generator grid data; wherein,
the AC line power grid data comprises AC line active power, AC line reactive power and AC line switch states;
the generator power grid data comprise generator active power, generator reactive power, generator system frequency, generator regional exchange power and the state of a generator programmable logic controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810225134.1A CN108539800A (en) | 2018-03-19 | 2018-03-19 | AGC closed loop test method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810225134.1A CN108539800A (en) | 2018-03-19 | 2018-03-19 | AGC closed loop test method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108539800A true CN108539800A (en) | 2018-09-14 |
Family
ID=63484696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810225134.1A Pending CN108539800A (en) | 2018-03-19 | 2018-03-19 | AGC closed loop test method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108539800A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110262455A (en) * | 2019-06-26 | 2019-09-20 | 南方电网科学研究院有限责任公司 | Method, device and equipment for testing control characteristics of automatic power generation control system of power station |
| CN113328474A (en) * | 2021-06-30 | 2021-08-31 | 南方电网科学研究院有限责任公司 | New energy AGC substation test system, method, equipment and medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023016A (en) * | 2012-11-15 | 2013-04-03 | 广东电网公司电力调度控制中心 | Repeating and simulating method for automatic generation control of power grid |
| US20130268131A1 (en) * | 2012-04-09 | 2013-10-10 | Clemson University | Method and System for Dynamic Stochastic Optimal Electric Power Flow Control |
| CN103439962A (en) * | 2013-08-06 | 2013-12-11 | 国家电网公司 | Power gird automatic generation control closed loop detection and verification method |
| CN103488835A (en) * | 2013-09-26 | 2014-01-01 | 国家电网公司 | Simulation platform and method for dispatching automation system |
| WO2014101515A1 (en) * | 2012-12-24 | 2014-07-03 | 国家电网公司 | Method for designing automatic generation control model under grid connection of intermittent energy |
| CN105529748A (en) * | 2016-01-11 | 2016-04-27 | 中国南方电网有限责任公司 | Automatic generation control system and method suitable for dynamic simulation of power system |
| CN105807749A (en) * | 2014-12-29 | 2016-07-27 | 国家电网公司 | Test platform and test method for power dispatching automatic master station system |
| CN106505636A (en) * | 2016-11-02 | 2017-03-15 | 南京南瑞继保电气有限公司 | A kind of power system automatic power generation control method based on packet control |
-
2018
- 2018-03-19 CN CN201810225134.1A patent/CN108539800A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130268131A1 (en) * | 2012-04-09 | 2013-10-10 | Clemson University | Method and System for Dynamic Stochastic Optimal Electric Power Flow Control |
| CN103023016A (en) * | 2012-11-15 | 2013-04-03 | 广东电网公司电力调度控制中心 | Repeating and simulating method for automatic generation control of power grid |
| WO2014101515A1 (en) * | 2012-12-24 | 2014-07-03 | 国家电网公司 | Method for designing automatic generation control model under grid connection of intermittent energy |
| CN103439962A (en) * | 2013-08-06 | 2013-12-11 | 国家电网公司 | Power gird automatic generation control closed loop detection and verification method |
| CN103488835A (en) * | 2013-09-26 | 2014-01-01 | 国家电网公司 | Simulation platform and method for dispatching automation system |
| CN105807749A (en) * | 2014-12-29 | 2016-07-27 | 国家电网公司 | Test platform and test method for power dispatching automatic master station system |
| CN105529748A (en) * | 2016-01-11 | 2016-04-27 | 中国南方电网有限责任公司 | Automatic generation control system and method suitable for dynamic simulation of power system |
| CN106505636A (en) * | 2016-11-02 | 2017-03-15 | 南京南瑞继保电气有限公司 | A kind of power system automatic power generation control method based on packet control |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110262455A (en) * | 2019-06-26 | 2019-09-20 | 南方电网科学研究院有限责任公司 | Method, device and equipment for testing control characteristics of automatic power generation control system of power station |
| CN113328474A (en) * | 2021-06-30 | 2021-08-31 | 南方电网科学研究院有限责任公司 | New energy AGC substation test system, method, equipment and medium |
| CN113328474B (en) * | 2021-06-30 | 2022-06-17 | 南方电网科学研究院有限责任公司 | New energy AGC substation test system, method, equipment and medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102882229B (en) | Automatic control system for dynamic voltage of wind power plant | |
| CN109494762A (en) | Photovoltaic plant primary frequency modulation control method and system based on more main website coordinated controls | |
| CN103378784B (en) | Load command dynamic compensation method and system | |
| CN107370177A (en) | Variable Speed Wind Power Generator primary frequency modulation control device and application method | |
| CN103439962A (en) | Power gird automatic generation control closed loop detection and verification method | |
| CN108539800A (en) | AGC closed loop test method and device | |
| CN107766649B (en) | System protection real-time closed-loop simulation test system and operation method thereof | |
| CN106451563A (en) | Concurrent grid-connection method and equipment of islanding mode nuclear power plant generator | |
| CN103592531B (en) | A kind of parameter detection method of wind energy turbine set static reacance generator and system | |
| CN116404680A (en) | Rapid coordination control method and system for large-scale energy storage transformer substation | |
| CN113394795B (en) | Online active evaluation method and system for primary wind power frequency modulation capability of inland mountains | |
| CN106655278B (en) | Active power of wind power field and reactive power/voltage control evaluation method based on operation data | |
| CN102075012B (en) | Logical verification system of automatic device as well as testing method | |
| CN112649728A (en) | Online testing method for evaluating primary frequency modulation performance of generator set | |
| CN208190267U (en) | AGC closed loop testing arrangement | |
| CN110765616A (en) | Simulation closed loop test system and method for power plant computer monitoring system | |
| CN113328474B (en) | New energy AGC substation test system, method, equipment and medium | |
| CN112421671A (en) | Photovoltaic power station power control method and system | |
| CN114069701B (en) | Multi-time-scale power control system suitable for new energy station | |
| CN109782629A (en) | Variable speed constant frequency pump-storage generator controller hardware assemblage on-orbit test platform | |
| CN114062814A (en) | Simulation test method and device for new energy station | |
| CN104319779A (en) | Regional power grid reactive voltage control method | |
| CN207010256U (en) | A kind of AGC Changing load-accelerations detect in real time and control device | |
| CN115224741B (en) | Distributed photovoltaic low-voltage grid-connected adjusting system and method | |
| CN114142538B (en) | Dynamic regulation and control method and system for frequency modulation based on cogeneration |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210716 Address after: No. 11, Kexiang Road, Science City, Huangpu District, Guangzhou City, Guangdong Province Applicant after: China South Power Grid International Co.,Ltd. Applicant after: CHINA SOUTHERN POWER GRID Co.,Ltd. Address before: No. 11, Kexiang Road, Science City, Huangpu District, Guangzhou City, Guangdong Province Applicant before: China South Power Grid International Co.,Ltd. Applicant before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Applicant before: CHINA SOUTHERN POWER GRID Co.,Ltd. |