CN107544475A - A kind of power plant control system closed loop detecting system and detection method - Google Patents
A kind of power plant control system closed loop detecting system and detection method Download PDFInfo
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- CN107544475A CN107544475A CN201710979083.7A CN201710979083A CN107544475A CN 107544475 A CN107544475 A CN 107544475A CN 201710979083 A CN201710979083 A CN 201710979083A CN 107544475 A CN107544475 A CN 107544475A
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Abstract
The invention discloses a kind of power plant control system closed loop detecting system and detection method, and it includes tested control system, it is characterised in that：Tested control system is connected with interface equipment wire；Interface equipment is connected with mathematical model by gigabit Ethernet；The operating condition of simulating grid, access actual control system, carry out physics closed loop test, the main ring section and auxiliary limiting element of control system can be carried out going deep into test, acting characteristic of the quantitative analysis control system in true power network, solve the problems, such as that scene is not suitable for/can not carried out generator loading experiment, the function debugging for Large-scale machine set excitation and governing system provides effective tool.
Description
Technical field
The invention belongs to electric system simulation closed test field, more particularly to a kind of power plant control system closed loop to detect
System and detection method.
Background technology
One of the important component of generator as power system, the dynamic characteristic of its control system is for power plant and electricity
The voltage stabilization of factory plays vital effect.For generator control system test event mainly include static test,
No load test and load testing, its static test can be completed by traditional means of testing, and be directed to unloaded or load testing,
Need to connect engine block, and connect the test that engine block is controlled system and very big potential safety hazard be present；Scene
It is not suitable for/can not carry out generator loading experiment and function debugging of Large-scale machine set excitation and governing system etc..
The content of the invention：
The technical problem to be solved in the present invention：A kind of power plant control system closed loop detecting system and detection method are provided,
Unloaded or load testing is carried out, it is necessary to connect engine block, and connect for the control system of generator to solve prior art
Very big potential safety hazard be present in the test that sending and receiving motor body is controlled system；Scene is not suitable for/can not carried out generator and bears
Carry function debugging of experiment and Large-scale machine set excitation and governing system etc..
Technical solution of the present invention：
A kind of power plant control system closed loop detecting system, it includes tested control system, it is characterised in that：Tested control
System is connected with interface equipment wire；Interface equipment is connected with mathematical model by gigabit Ethernet.
The interface equipment is ADPSS interface equipments；It includes I/O signal board and power supply and synchronous board；I/O signal plate
Card and power supply and synchronous board；I/O signal board includes Analog input mModule, analog output module, digital quantity input module
With digital quantity output module；It is AC 220V that power supply includes power interface, input power all the way with synchronous board, and out-put supply is
DC 24V, powered for I/O signal board；Board is provided with IRIG-B synchronous signal receivers interface all the way simultaneously, receives light or telecommunications
Number IRIG-B pairs when signal, provide synchronizing signal for I/O signal board, the pattern of the synchronizing signal is IRIG-B000；It is described
Mathematical model is ADPSS emulators.
ADPSS emulators are connected with ADPSS interface equipments by gigabit Ethernet, the AO signals of ADPSS interface equipments
Tested control system is transferred to after amplifying by power amplifier, or AO signals and DO signals are transmitted directly to tested control system
System；In simulation process, the result of calculation of ADPSS emulators is converted into electrical quantity signal by ADPSS interface equipments, is adopted simultaneously
The electrical quantity signal of the tested control system of collection simultaneously feeds back to the mathematical model in ADPSS emulators, and then structure by AI signals
Build up closed loop test system.
Tested control system is excitation controller or speed regulator.
When tested control system be excitation controller, mathematical model is simulated generator, transformer, main switch, AC line, encouraged
Magnetomechanical, governing system model and corresponding hydraulic system and prime mover model, letter is carried out by interface equipment and excitation controller
Breath interaction；Interactive information includes set end voltage, generator terminal electric current, exciting current and control voltage.
When tested control system is speed regulator, mathematical model simulation generator, transformer, main switch, AC line, excitation
Machine, PSS and AVR, hydraulic system and prime mover model, signal interaction is carried out by ADPSS interface equipments and tested speed regulator；Hand over
Mutual information includes：Set end voltage, generator terminal electric current and PID regulating commands.
In the closed loop detecting system, various disturbances are set in the power network of emulation, disturbance type includes short circuit, ground connection event
Barrier, failure phase sequence A phases, B phases or C phases, and starting and the duration of failure are set；Set simultaneously by mathematical model a variety of
Fault type is combined, and forms the operating condition of complexity, tests the main ring section and auxiliary link of power plant control system, analysis
Acting characteristic of the control system in true power network.
Beneficial effects of the present invention：
The invention provides a kind of operating condition of simulating grid, accesses actual control system, carries out physics closed loop test,
The main ring section and auxiliary limiting element of control system can be carried out going deep into test, quantitative analysis control system is in true power network
Acting characteristic, solve the problems, such as that scene is not suitable for/can not carried out generator loading experiment, be Large-scale machine set excitation and governing system
Function debugging provide effective tool.
Compared with prior art, the present invention has：
1st, the present invention uses real-time simulation detection means, connects actual controller and carries out physics closed loop test, its test side
Method is advanced reliable.
2nd, the present invention can carry out electromagnetic transient simulation modeling to power network, generator and its control system, and simulation model is with calculating
Method is based on ADPSS kernel programs, AVR the and GOV models of China's main flow built in the program and classical parameter, its parameter with reality
Control system did check, therefore the examining system is credible, reliable, possessed stronger practicality.
3rd, the main ring section and auxiliary link of control system are carried out going deep into test and quantitative analysis, carries out limit assay (such as
Volt/hertz characteristic, it is low encourage limitation, cross encourage limitation, PSS performance detections) and grid side disturbance (system short-circuit, throwing move back unit, throwing move back it is negative
Lotus) experiment, (such as more than 20% step experiment), work of the comprehensive assessment control system in true power network under severe service
Characteristic.
Brief description of the drawings：
If Fig. 1 is composition schematic diagram of the present invention；
If Fig. 2 is wiring construction schematic diagram of the present invention；
If Fig. 3 is interface equipment principle schematic of the present invention；
A kind of power plant control system (field regulator) closed loop test principle provided in an embodiment of the present invention as shown in Figure 4
Figure；
It is illustrated in figure 5 a kind of power plant control system (speed regulator) closed loop test schematic diagram provided by the invention.
Embodiment：
For this area, computing staff is further understood that technical solution of the present invention, enters one to the present invention below according to accompanying drawing
Walk explanation.
A kind of power plant control based on real-time simulation is provided present invention aims at the deficiencies in the prior art part is avoided
The physics closed loop detection method and test system of system processed, power system difference operating condition can be simulated with being examined in the case of failure
The dynamic property of control system is surveyed, accesses power plant control system (actual controller：Including excitation or speed governing), carry out comprehensive
Closed loop test.
As shown in figure 1, in the system, including mathematical model, interface equipment, tested control system three parts：It is wherein digital
Model is connected by communication interface with interface equipment, the result of calculation of mathematical model is converted into electrical quantity signal, simultaneously
The electrical quantity signal of the tested control system of collection simultaneously feeds back to mathematical model, and then forms the digital-to-analogue closed loop inspection based on emulation mode
Examining system.
Further, as shown in Fig. 2 when building closed loop test system, mathematical model part uses ADPSS emulators；
Interface equipment uses ADPSS interface equipments；Tested control system is excitation controller, the speed regulator of domestic main flow.
Wherein ADPSS emulators are connected with interface equipment by gigabit Ethernet, and the AO signals of ADPSS interface equipments can
, can also be by electrical quantity signal to give the voltage after amplification and current signal transfer to tested control system by power amplifier
It is transmitted directly to tested control system.In simulation process, ADPSS interface equipments change the result of calculation of ADPSS emulators
As electrical quantity signal, while gather the electrical quantity signal of tested control system and ADPSS emulation is fed back to by AI signals and set
Mathematical model in standby, and then it is built into closed loop test system.
Described ADPSS emulators are the ADPSS emulation platforms of China Electric Power Research Institute's research and development, and the platform possesses
Engine block model, excitation system model, governing system model, main switch model, main transformer model, model power line,
Load model, infinitely great power supply or actual electric network model, the test prototype that can realize detecting system based on the platform are built.Simultaneously
The platform possesses electro-magnetic transient real-time simulation function, can carry out electromagnetic transient simulation to the test prototype built, emulation is tied
Fruit and ADPSS interface equipment real-time, interactives.
The ADPSS interface equipments are " numeral<->Simulation " conversion equipment, as shown in figure 3, one piece of " IO built in the device
Signal board " and one piece " power supply and synchronous board ".
Wherein I/O signal board includes four kinds of signal types：Analog input (AI), analog output (AO), digital quantity are defeated
Enter (DI), the type signal of digital output (DO) four.The number of active lanes for four kinds of signals that I/O signal board possesses is respectively：16
Road AO signals, 8 road AI signals, 8 road DI signals and 8 road DO signals.In wherein 16 road AO signals, preceding 8 tunnel is high speed voltage signal
(- 10V~+10V), rear 8 tunnel can be configured to according to service condition voltage signal (- 10V~+10V) or current signal (4~
20mA).In 8 road AI signals, can be configured to according to service condition voltage signal (- 10V~+10V) or current signal (4~
20mA)。
Standby its input power of power interface all the way of power supply and synchronous plate fixture is AC 220V, out-put supply DC24V, can
Powered for I/O signal board；The board possesses IRIG-B synchronous signal receivers interface all the way simultaneously, can receive light or electric signal
IRIG-B pairs when signal, provide synchronizing signal for I/O signal board, the pattern of the synchronizing signal is IRIG-B000.
Its closed loop test schematic diagram is as shown in figure 4, ADPSS emulator simulation numeral models include：Generator, transformation
Device, main switch, AC line, exciter, governing system model and corresponding hydraulic system and prime mover model, are connect by ADPSS
The signal that jaws equipment is interacted with tested excitation controller includes：Set end voltage, generator terminal electric current, exciting current and control voltage.
Wherein set end voltage is that ADPSS emulators mathematical model passes through power by AO weak signals (- 10V~+10V) with generator terminal electric current
Amplifier exports；Exciting current is that mathematical model is directly exported by AO signals, and output form may include voltage and current signal
Two kinds of forms；Control voltage is that mathematical model is directly gathered by AI signals, and its signal type is voltage and two kinds of forms of electric current.
When accessing speed regulator progress closed loop test, its closed loop test schematic diagram is as shown in figure 5, ADPSS emulators are simulated
Mathematical model includes：Generator, transformer, main switch, AC line, exciter, PSS and AVR, hydraulic system and prime mover mould
Type, included by ADPSS interface equipments with the signal that tested speed regulator is interacted：Set end voltage, generator terminal electric current, PID regulations refer to
Order.Wherein set end voltage is that ADPSS emulators mathematical model is passed through by AO weak signals (- 10V~+10V) with generator terminal electric current
Power amplifier exports；PID regulating commands are that mathematical model is directly gathered by AI signals, and its signal type is voltage and electric current
Two kinds of forms.
In the closed loop test system, various disturbances can be set in the power network of emulation, disturbance type includes but is not limited to
The failures such as short circuit, ground connection, while failure phase sequence (A phase, B phase, C phase) can also be set, and starting and the duration of failure.
ADPSS emulators also support various faults type to be combined simultaneously, and then form complex operating condition, deeply survey
Try the main ring section and auxiliary link of power plant control system, acting characteristic of the quantitative analysis control system in true power network, solution
Certainly scene is not suitable for/can not carried out the problem of generator loading experiment.
Claims (7)
1. a kind of power plant control system closed loop detecting system, it includes tested control system, it is characterised in that：Tested control system
System is connected with interface equipment wire；Interface equipment is connected with mathematical model by gigabit Ethernet.
A kind of 2. power plant control system closed loop detecting system according to claim 1, it is characterised in that：The interface is set
Standby is ADPSS interface equipments；It includes I/O signal board and power supply and synchronous board；I/O signal board and power supply and synchronous plate
Card；I/O signal board includes Analog input mModule, analog output module, digital quantity input module and digital output mould
Block；It is AC 220V that power supply includes power interface, input power all the way with synchronous board, and out-put supply is DC 24V, is I/O signal
Board is powered；Board is provided with IRIG-B synchronous signal receivers interface all the way simultaneously, when receiving IRIG-B pairs of light or electric signal
Signal, synchronizing signal is provided for I/O signal board, the pattern of the synchronizing signal is IRIG-B000；The mathematical model is ADPSS
Emulator.
A kind of 3. power plant control system closed loop detecting system according to claim 2, it is characterised in that：ADPSS is emulated
Equipment is connected with ADPSS interface equipments by gigabit Ethernet, and the AO signals of ADPSS interface equipments are amplified by power amplifier
After be transferred to tested control system, or AO signals and DO signals are transmitted directly to tested control system；In simulation process,
The result of calculation of ADPSS emulators is converted into electrical quantity signal by ADPSS interface equipments, while gathers tested control system
Electrical quantity signal and the mathematical model in ADPSS emulators is fed back to by AI signals, and then be built into closed loop test system
System.
A kind of 4. power plant control system closed loop detecting system according to claim 1, it is characterised in that：Tested control system
Unite as excitation controller or speed regulator.
5. the detection method of power plant control system closed loop detecting system as claimed in claim 1, it is characterised in that：By observing and controlling
When system processed is excitation controller, mathematical model simulation generator, transformer, main switch, AC line, exciter, governing system
Model and corresponding hydraulic system and prime mover model, information exchange is carried out by interface equipment and excitation controller；Interactive
Information includes set end voltage, generator terminal electric current, exciting current and control voltage.
6. the detection method of power plant control system closed loop detecting system as claimed in claim 1, it is characterised in that：By observing and controlling
When system processed is speed regulator, mathematical model simulation generator, transformer, main switch, AC line, exciter, PSS and AVR, hydraulic pressure
System and prime mover model, signal interaction is carried out by ADPSS interface equipments and tested speed regulator；Interactive information includes：Machine
Terminal voltage, generator terminal electric current and PID regulating commands.
7. the detection method of power plant control system closed loop detecting system as claimed in claim 1, it is characterised in that：Closed at this
In ring detecting system, various disturbances are set in the power network of emulation, disturbance type includes short circuit, earth fault, sets failure phase
Sequence A phases, B phases or C phases, and starting and the duration of failure；Various faults type is set to carry out by mathematical model simultaneously
Combination, the operating condition of complexity is formed, tests the main ring section and auxiliary link of power plant control system, analysis and Control system is true
Acting characteristic in real power network.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412864A (en) * | 2019-08-07 | 2019-11-05 | 国网重庆市电力公司电力科学研究院 | Turbine Governor System Shift speed segmentally rate test method and readable storage medium storing program for executing |
| CN112596493A (en) * | 2020-12-04 | 2021-04-02 | 沈阳航天新光集团有限公司 | Excitation controller test system for gas turbine generator set |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201611448U (en) * | 2009-11-24 | 2010-10-20 | 西北电网有限公司 | Closed loop test platform of control protection device in electrical power system |
| CN102239645A (en) * | 2008-12-03 | 2011-11-09 | Abb研究有限公司 | Electrical power network management system |
| CN102880173A (en) * | 2012-10-19 | 2013-01-16 | 株洲南车时代电气股份有限公司 | Simulation testing method, equipment and system |
| CN104656458A (en) * | 2013-11-21 | 2015-05-27 | 国家电网公司 | Simulation circuit and system for electric system |
-
2017
- 2017-10-19 CN CN201710979083.7A patent/CN107544475A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239645A (en) * | 2008-12-03 | 2011-11-09 | Abb研究有限公司 | Electrical power network management system |
| CN201611448U (en) * | 2009-11-24 | 2010-10-20 | 西北电网有限公司 | Closed loop test platform of control protection device in electrical power system |
| CN102880173A (en) * | 2012-10-19 | 2013-01-16 | 株洲南车时代电气股份有限公司 | Simulation testing method, equipment and system |
| CN104656458A (en) * | 2013-11-21 | 2015-05-27 | 国家电网公司 | Simulation circuit and system for electric system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412864A (en) * | 2019-08-07 | 2019-11-05 | 国网重庆市电力公司电力科学研究院 | Turbine Governor System Shift speed segmentally rate test method and readable storage medium storing program for executing |
| CN112596493A (en) * | 2020-12-04 | 2021-04-02 | 沈阳航天新光集团有限公司 | Excitation controller test system for gas turbine generator set |
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Application publication date: 20180105 |