CN208190267U - A kind of AGC closed-loop testing device - Google Patents
A kind of AGC closed-loop testing device Download PDFInfo
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- CN208190267U CN208190267U CN201820373734.8U CN201820373734U CN208190267U CN 208190267 U CN208190267 U CN 208190267U CN 201820373734 U CN201820373734 U CN 201820373734U CN 208190267 U CN208190267 U CN 208190267U
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Abstract
The utility model discloses a kind of AGC closed-loop testing devices, including real-time simulation module, data acquisition module, AGC master station module, the substation AGC module and judgment module；Wherein, the output end of the real-time simulation module is connect with the input terminal of the data acquisition module, and the input terminal of the real-time simulation module is connect with the output end of the substation AGC module；First output end of data acquisition module is connect with the input terminal of the judgment module, and the data acquisition module second output terminal is connect with the input terminal of the AGC master station module；First output end of the AGC master station module is connect with the input terminal of the judgment module, and the second output terminal of the AGC master station module is connect with the input terminal of the substation AGC module.Using the embodiments of the present invention, accurate AGC test environment can be provided for power grid production run, reduce test risk.
Description
Technical field
The utility model relates to technical field of power systems more particularly to a kind of AGC closed-loop testing devices.
Background technique
AGC (Automatic Generation Control) is a critical function in EMS (Energy Management System), control target be make by
Load change in power grid and the ACE (domain error) generated is constantly reduced until being zero.Control centre is adjustable by AGC
Grid generation power output is balanced with network load, and the ACE of mains frequency is adjusted to zero, so that mains frequency is made to keep rated value,
System is in economical operation state.Therefore, the normal operation of AGC function is directly related to the economical operation of power grid, even pacifies
Row for the national games tests it before putting into operation to AGC function and its control strategy in detail.But AGC closed-loop control is tested
AGC power plant and unit is needed to carry out whether just practical control test all needs checkout facility preparation situation before each test
Then thread is tested by determining experimental technique, measure scheme and experimental procedure again, process is complicated, when being related to power grid
It also will have a direct impact on actual electric network operation when scheduling authorization, there is certain risk.
Utility model content
The purpose of the utility model embodiment is to provide a kind of AGC closed-loop testing device, can mention for power grid production run
Environment is tested for accurate AGC, reduces test risk.
To achieve the above object, the utility model embodiment provides a kind of AGC closed-loop testing device, including real-time simulation
Module, data acquisition module, AGC master station module, the substation AGC module and judgment module；Wherein,
The output end of the real-time simulation module is connect with the input terminal of the data acquisition module, the real-time simulation mould
The input terminal of block is connect with the output end of the substation AGC module；
First output end of data acquisition module is connect with the input terminal of the judgment module, the data acquisition module
Second output terminal is connect with the input terminal of the AGC master station module；
First output end of the AGC master station module is connect with the input terminal of the judgment module, the AGC master station module
Second output terminal connect with the input terminal of the substation AGC module.
Compared with prior art, a kind of AGC closed-loop testing device disclosed in the utility model embodiment passes through data and acquires
Module acquires the electric network data in real-time simulation module in simulating grid, and by AGC master station module according to the electric network data
Main control order is generated with the control strategy in preset power plant, so that the substation AGC module is generated according to the main control order
Corresponding generator control order, and then real-time simulation module is adjusted in simulating grid according to the generator control order and is generated electricity
The active power output of machine, last judgment module judge that the control strategy in the power plant is further according to the active power output of the generator
It is no to meet expected control strategy.Solving the test of AGC closed-loop control in the prior art needs AGC power plant and unit to carry out practical control
System test, process is complicated, also will have a direct impact on actual electric network operation when being related to the scheduling authorization of power grid, has certain wind
The problem of danger can provide accurate AGC test environment for power grid production run, reduce test risk.
As an improvement of the above scheme, the data acquisition module includes data check unit and data processing unit；
Wherein, the data check unit is connect with the data processing unit.
As an improvement of the above scheme, the AGC master station module is the local control device that control centre is arranged in；It is described
AGC master station module includes power plant control strategy setting unit and analytical calculation unit；Wherein, the power plant control strategy
Setting unit is connect with the analytical calculation unit.
As an improvement of the above scheme, the substation AGC module is to operate in the control on the spot in power plant or substation
Device；The substation AGC module includes generator control strategy setting unit and control command converting unit；Wherein, described
Generator control strategy setting unit is connect with the control command converting unit.
As an improvement of the above scheme, the judgment module is the microprocessor for including a determination flow.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of AGC closed-loop testing device provided by the embodiment of the utility model；
Fig. 2 is the structural frames of data acquisition module in a kind of AGC closed-loop testing device provided by the embodiment of the utility model
Figure；
Fig. 3 is the structural frames of AGC master station module in a kind of AGC closed-loop testing device provided by the embodiment of the utility model
Figure；
Fig. 4 is the structural frames of the substation AGC module in a kind of AGC closed-loop testing device provided by the embodiment of the utility model
Figure.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
It is a kind of structural block diagram of AGC closed-loop testing device provided by the embodiment of the utility model referring to Fig. 1, Fig. 1；Including
Real-time simulation module 10, data acquisition module 20, AGC master station module 30, the substation AGC module 40 and judgment module 50；Wherein,
The output end 0UT1 of the real-time simulation module 10 is connect with the input terminal I N2 of the data acquisition module 20, institute
The input terminal I N1 for stating real-time simulation module 10 is connect with the output end OUT6 of the substation AGC module 40；The real-time simulation
Module 10 is to be built in advance for simulating the simulated grid of actual electric network, institute for building simulating grid, the simulating grid
Stating simulating grid includes at least one power plant；It is also used to respond generator control order, and is ordered according to the generator control
The active power output for adjusting generator in simulating grid is enabled, to generate electric network data；
The 20 first output end OUT2 of data acquisition module is connect with the input terminal I N4 of the judgment module 50, described
20 second output terminal OUT3 of data acquisition module is connect with the input terminal I N3 of the AGC master station module 30；The data acquisition
Module 20 is handled and is verified to the electric network data for acquiring the electric network data；
First output end OUT4 of the AGC master station module 30 is connect with the input terminal I N4 of the judgment module 50, institute
The second output terminal OUT5 for stating AGC master station module 30 is connect with the input terminal I N5 of the substation AGC module 40；The AGC master
Module of standing 30 is used to formulate the control strategy in the power plant, is also used to the control strategy according to the electric network data and power plant
Generate main control order；Wherein, the control strategy in the power plant is used to control the working condition in the power plant, the power generation
Factory includes at least one generator；
The substation AGC module 40 generates accordingly for responding the main control order, and according to the main control order
Generator control order；
The judgment module 50 is used to judge according to the active power output of the generator that the control strategy in the power plant to be
It is no to meet expected control strategy.
Specifically, the real-time simulation module 10 builds simulating grid in advance, the simulating grid includes at least one hair
Power plant, the power plant include alternating current circuit, transformer and at least one generator.Preferably, the real-time simulation module 10
For computer.Preferably, the simulating grid is using the emulation mode for fixing simulation step length.Receiving generator control order
When, the real-time simulation module 10 begins to respond to the generator control order, and is adjusted according to the generator control order
The active power output of generator in simulating grid, to generate electric network data.Wherein, the active power output refers to the generator
Output power.
Preferably.The electric network data includes alternating current circuit electric network data and Generator Network data；Wherein, the exchange
Route electric network data includes alternating current circuit active power, alternating current circuit reactive power and alternating current circuit switch state；The hair
Motor electric network data includes generator active power, generator reactive power, generator system frequency, generator mapping of field function
The state of rate, generator programmable logic controller (PLC).
Specifically, the data acquisition module 20 is connect with the real-time simulation module 10, the data acquisition module 20
Acquire the electric network data, it is preferred that the data acquisition module 20 can be SCADA (data acquisition and supervisor control)
Or other data collection systems.The data acquisition module 20 is handled and is verified to the electric network data, can be by sentencing
Whether the disconnected electric network data being currently received meets with preset standard value, if meeting, verifies success；If not meeting,
Then marking current electric grid data is the electric network data of damage.
Preferably, referring to fig. 2, the data acquisition module 20 includes data check unit 21 and data processing unit 22,
The data check unit 21 connects the data processing unit 22.Wherein, the data check unit 21 is to the power grid number
According to being verified, judge whether the electric network data being currently received meets with preset standard value, if meeting, verification at
Function；If not meeting, it is the electric network data of damage that the data processing unit 22, which marks current electric grid data,.
Specifically, the AGC master station module 30 is connect with the data acquisition module 20, the AGC master station module 30 is pre-
It is first set with the control strategy in the power plant of the working condition for controlling the power plant, because in the simulating grid
Control strategy including at least one power plant, therefore the power plant can be for the operation conditions of the entire simulating grid
Any one power plant is controlled.At this point, the AGC master station module 30 is according to the control strategy in the power plant to described
Electric network data carries out analytical calculation, to generate main control order.Preferably, damage is received in the AGC master station module 30
Electric network data when, the AGC master station module 30 will not control current power plant.Preferably, the AGC master station module 30 is
It is arranged at scheduling (communication) center, for analytical calculation and issues the local control device of control instruction.
Preferably, referring to Fig. 3, the AGC master station module 30 includes power plant control strategy setting unit 31 and analysis meter
Unit 32 is calculated, the power plant control strategy setting unit 31 connects the analytical calculation unit 32.Wherein, the power plant control
Strategy setting unit 31 processed sets the control strategy for controlling the power plant of the working condition in the power plant, and described point
It analyses computing unit 32 to be used to carry out analytical calculation to the electric network data according to the control strategy in the power plant, to generate master
Control command.
Specifically, the substation AGC module 40 is connect with the real-time simulation module 10,40 sound of the substation AGC module
It answers the main control order, and corresponding generator control order is generated according to the main control order, then by the generator
Control command is sent to the real-time simulation module 10, and the real-time simulation module 10 is used for according to the generator control order
Control the active power output of generator.Wherein, the substation AGC module 40 is to operate in the control on the spot in power plant or substation
Device, for receiving or executing the control instruction of the AGC master station module 30.
Preferably, the substation AGC module 40, can also be according to the control of generator when responding the main control order
Strategy converts the main control order, and the main control order is converted to the power output of each generator in each power plant
It controls signal (the i.e. described generator control order), wherein the substation AGC module 40 is preset with for controlling the hair
The control strategy of the generator of the working condition of motor, because the power plant includes at least one generator, institute
State generator control strategy can for entire power plant operation conditions to any one generator in the power plant into
Row control, in practical applications, the power output of each generator in a power plant is not mean allocation, needs the power generation
The control strategy of machine is controlled.Preferably, when only one generator in the power plant, the substation AGC module 40
The main control order directly issued using the AGC master station module 30, does not need again to convert the main control order.
Preferably, referring to fig. 4, the substation AGC module 40 includes generator control strategy setting unit 41 and control life
Converting unit 42 is enabled, the generator control strategy setting unit 41 connects the control command converting unit 42.Wherein, described
Generator control strategy setting unit 41 sets the control plan for controlling the generator of the working condition of the generator
Slightly, the control command converting unit 42 is for turning the main control order according to the control strategy of the generator
It changes, the main control order is converted to force control signal (the i.e. described generator control out of each generator in each power plant
Order).
Specifically, the judgment module 50 is separately connected the data acquisition module 20 and the AGC master station module 30, institute
Judgment module 50 is stated when adjusting the active power output of generator in simulating grid according to the generator control order, described in acquisition
Exchange power between the mains frequency of simulating grid and the generator, when the mains frequency of the simulating grid reaches default
When exchange power between mains frequency or the generator reaches default exchange power, the judgment module 50 determines the hair
The control strategy of power plant meets expected control strategy.Preferably, the judgment module 50, which can be, includes the micro- of a determination flow
Processor.
Compared with prior art, a kind of AGC closed-loop testing device disclosed in the utility model embodiment passes through data and acquires
Module 20 acquires the electric network data in real-time simulation module 10 in simulating grid, and by AGC master station module 30 according to the electricity
The control strategy in network data and preset power plant generates main control order, so that the substation AGC module 40 is according to the main control
Order generates corresponding generator control order, and then real-time simulation module 10 is adjusted according to the generator control order and simulated
The active power output of generator in power grid, last judgment module 50 judge the power plant further according to the active power output of the generator
Control strategy whether meet expected control strategy.It solves the test of AGC closed-loop control in the prior art and needs AGC power plant and machine
Group carries out practical control test, and process is complicated, also will have a direct impact on actual electric network operation when being related to the scheduling authorization of power grid,
There is the problem of certain risk, accurate AGC test environment can be provided for power grid production run, reduce test risk.With
It is preferred embodiments of the present invention described in upper, it is noted that for those skilled in the art,
Under the premise of not departing from the utility model principle, several improvements and modifications can also be made, these improvements and modifications are also considered as this
The protection scope of utility model.
Claims (5)
1. a kind of AGC closed-loop testing device, which is characterized in that including real-time simulation module, data acquisition module, AGC main website mould
Block, the substation AGC module and judgment module；Wherein,
The output end of the real-time simulation module is connect with the input terminal of the data acquisition module, the real-time simulation module
Input terminal is connect with the output end of the substation AGC module；
First output end of data acquisition module is connect with the input terminal of the judgment module, the data acquisition module second
Output end is connect with the input terminal of the AGC master station module；
First output end of the AGC master station module is connect with the input terminal of the judgment module, and the of the AGC master station module
Two output ends are connect with the input terminal of the substation AGC module.
2. AGC closed-loop testing device as described in claim 1, which is characterized in that the data acquisition module includes data school
Verification certificate member and data processing unit；Wherein, the data check unit is connect with the data processing unit.
3. AGC closed-loop testing device as described in claim 1, which is characterized in that the AGC master station module is that setting is being dispatched
The local control device at center；The AGC master station module includes power plant control strategy setting unit and analytical calculation unit；
Wherein, the power plant control strategy setting unit is connect with the analytical calculation unit.
4. AGC closed-loop testing device as described in claim 1, which is characterized in that the substation AGC module is to operate in power generation
The local control device of factory or substation；The substation AGC module includes generator control strategy setting unit and control
Order converting unit；Wherein, the generator control strategy setting unit is connect with the control command converting unit.
5. AGC closed-loop testing device as described in claim 1, which is characterized in that the judgment module is to include a judgement stream
The microprocessor of journey.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820373734.8U CN208190267U (en) | 2018-03-19 | 2018-03-19 | A kind of AGC closed-loop testing device |
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| CN201820373734.8U CN208190267U (en) | 2018-03-19 | 2018-03-19 | A kind of AGC closed-loop testing device |
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| CN208190267U true CN208190267U (en) | 2018-12-04 |
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Effective date of registration: 20210716 Address after: No. 11, Kexiang Road, Science City, Huangpu District, Guangzhou City, Guangdong Province Patentee after: China Southern Power Grid Research Institute Co.,Ltd. Patentee after: CHINA SOUTHERN POWER GRID Co.,Ltd. Address before: No. 11, Kexiang Road, Science City, Huangpu District, Guangzhou City, Guangdong Province Patentee before: China Southern Power Grid Research Institute Co.,Ltd. Patentee before: CSG POWER GRID TECHNOLOGY RESEARCH CENTER Patentee before: CHINA SOUTHERN POWER GRID Co.,Ltd. |