CN108630074A - Distributed wind-power generator O＆M simulation training system - Google Patents
Distributed wind-power generator O＆M simulation training system Download PDFInfo
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Abstract
The invention discloses a kind of distributed wind-power generator O＆M simulation training systems, including distributed wind-power generator monitoring system, simulation control subsystem, emulation distribution transformer, power distribution cabinet, anti-isolated island protective device case, simulation wind regime and wind-driven generator, distributed wind-power generator analogue system.The present invention have a variety of operation of electric power system patterns, quantitative model demo function, the practical operation of system connection drills function, the simulation and demo function of electricity generation system island effect and the protection of anti-isolated island, and simulation wind regime changes influence to wind turbine power generation efficiency.
Description
Technical field
The present invention relates to a kind of O＆M simulation training systems, and in particular to a kind of distributed wind-power generator O＆M simulation training
System.
Background technology
Distributed new is clean energy resource, refer in nature can constantly regenerating, continuous utilization, it is inexhaustible,
Nexhaustible resource, its environmental sound or harm are minimum, and resource distribution is extensive, are one suitable for developing and using on the spot
Independent electric power supply that can be mutually compatible with environment is planted, there is flexible varying duty peaking performance, electric system and use can be met
The particular/special requirement at family can provide higher power supply reliability for outlying user or shopping centre, save power transmission and transformation investment, be to alleviate me
Energy problem of state solves China's environmental pollution and ensures one of the important channel of China's electric power safety.
Distributed new power generation based on regenerative resource is national economy sustainable development strategy and environmental protection
Important component.More clearly from recognize this requires electric system operation maintenance personnel has generation of electricity by new energy principle and working specification
Know.However, the current training class product actual operation about generation of electricity by new energy is relatively low, focus on to electricity generating principle and flow
Demonstration.
Invention content
The purpose of the present invention is to provide a kind of distributed wind-power generator O＆M simulation training systems.
Realize that the technical solution of the object of the invention is：A kind of distributed wind-power generator O＆M simulation training system, packet
Include distributed wind-power generator monitoring system, simulation control subsystem, distribution transformer, power distribution cabinet, anti-isolated island protective device case, simulation
Wind regime and wind-driven generator, distributed wind-power generator analogue system；
Distributed wind-power generator monitoring system provides the operation interface of human-computer interaction for system operation control, and acquisition system is each
Electric current, voltage, active and reactive, power factor, the frequency data of electric loop；Switch position signal is acquired, switch remote control is carried out
Operation；
Simulation control subsystem carries out the calculating storage of system operation support data, each height for including with simulation training system
Device is communicated, and realizes the transmission of control instruction, setting information；
Isolating transformer built in distribution transformer provides the 380V power supplys after isolation for simulation training system；
Power distribution cabinet is the voltage progress electric energy distribution for emulating distribution and becoming output；
Anti- isolated island protective device case is for monitoring busbar voltage and measuring electric current；
Wind regime is simulated by the adjusting to wind turbine wind speed, simulated environment, wind-driven generator are provided for wind turbine power generation
It is run in simulated environment, realizes wind-power electricity generation simulation data；
Distributed wind-power generator analogue system realizes the switching of different operational modes, realizes control of the distant place to wind regime wind turbine
The simulation of system, wind-driven generator output voltage；Using DC power supplier, AC power supply module realize DC over-voltage, it is under-voltage when
Control simulation, the simulation of inverter protection act, off-load action simulation.
Further, the monitoring interface displaying much information of distributed wind-power generator monitoring system, including main network access line
Voltage, electric current and frequency, circuit breaker switch state, the working condition and operational data of Wind turbines and the phase of accumulator group
Close data.
Further, distribution transformer emulates 10/0.38kV distribution transformings, is installed between two pillar emulation tower bars, built-in
0.38/0.38kV isolating transformer provides the 380V power supplys after isolation to distributed wind O＆M simulation training system, carries
For the required operating voltage of system operation.
Further, power distribution cabinet includes that 1 tunnel exchanges always into breaker, 2 tunnels exchange output breaker and 1 emulation three-phase four
Line intelligent electric energy meter；
Transformer output end is always connect into breaker after emulating three-phase and four-line intelligent electric energy meter with exchange, then all the way
It is divided to two-way to export breaker by two exchanges respectively with dummy load, distributed wind-power generator analogue system to be connected；Anti- isolated island
Protective device exports state and energy information at breaker by acquisition, and analyzes it processing to accordingly be moved
Make；
Exchange always changes system operation mode, control system trend operation, exchange output breaker change point into breaker
The branch line method of operation controls branched line trend operation；
Three-phase and four-line intelligent electric energy meter acquisition system power information is emulated, power information is uploaded in a manner of RS485
Simulative surveillance system simultaneously receives the data transmitted by simulative surveillance system.
Further, it simulates wind regime and wind-driven generator is made of high-power blower and a 300W wind-driven generator, wind
Power generator setting third gear is adjustable, and by the adjusting to wind turbine wind speed, simulated environment, wind-force hair are provided for wind turbine power generation
Motor is run in simulated environment, realizes wind-power electricity generation simulation data.It can intuitively show wind turbine under different wind speed by stage body
Generating efficiency.Translucent cover is set outside wind turbine, protects real training personnel safety.
Further, distributed wind-power generator analogue system include emulation single-phase electric meter, it is bidirectional power meter, miniature single-phase inverse
Become device, controller, emulation unloader, isolation switch, emulation double-power supply switching device, accumulator group, user load；
Emulation single-phase electric meter is for measuring the generated electricity energy of wind-force；Bidirectional power meter is for measuring grid-connected electricity；It is miniature single-phase
Inverter is used to the DC inverter that wind-driven generator is sent out be to meet the alternating current of grid-connected requirement, and realize grid-connected function；
Emulation unloader is accumulator super-charge in order to prevent, and extra electricity is uninstalled by unloader；Controller can send out wind-force
Electricity is adjusted and controls, and the energy after adjustment is on the one hand sent to inverter, and extra energy is on the other hand pressed accumulator
Characteristic curve charge to accumulator group；Emulation double-power supply switching device is used to switch the power supply of user load, when
Wind generator system power supply is automatically switched to when electrical breakdown, conversely, automatically switching to power grid power supply；Isolation switch is used for wind
Force generating system is isolated with power grid；
The electric energy of wind-driven generator imports controller, and after the adjusting and control of controller, a part is accumulator group
Charging, a part input miniature single-phase grid-connected inverter, and extra electric energy then flows into emulation unloader；Inverter will meet grid-connected want
The alternating current input emulation single-phase electric meter asked is for measuring the generated electricity energy of wind-force；Then simulation electric energy meter respectively with emulation dual power supply
Switching device, bidirectional power meter connection, bidirectional power meter connect by isolation switch with power grid, emulate double-power supply switching device and
Load connection.
Compared with prior art, the present invention its remarkable advantage is：Distributed wind-power generator O＆M simulation training system is directed to
It is engaged in the relevant O＆M service of wind-power electricity generation, marketing management, integrated service, user maintenance personnel design and develop；Have a variety of hairs
Function is drilled in the demo function of electric system operational mode, quantitative model, the practical operation of system connection, electricity generation system island effect and anti-
The simulation of the protection phenomenon such as isolated island protection and demo function, simulation wind regime change the influence etc. to wind turbine power generation efficiency.
Description of the drawings
Fig. 1 is distributed wind-power generator O＆M simulation training system functional block diagram.
Fig. 2 is power distribution cabinet elementary diagram.
Fig. 3 is distributed wind-power generator analogue system figure.
Specific implementation mode
The present invention is described in further details below in conjunction with the accompanying drawings.
In conjunction with Fig. 1, a kind of distributed wind-power generator O＆M simulation training system, including distributed wind-power generator monitoring system
System, simulation control subsystem, distribution transformer, power distribution cabinet, anti-isolated island protective device case, simulation wind regime and wind-driven generator, distribution
Formula wind-power electricity generation analogue system；
Distributed wind-power generator monitoring system provides the operation interface of human-computer interaction for system operation control, and acquisition system is each
The telemetries such as electric current, voltage, active and reactive, power factor, the frequency of electric loop；Acquire switch position signal；It is opened
Close straighforward operation；It is apparent from much information according to monitoring interface：Voltage, electric current including main network access line and frequency；Open circuit
Device on off state；The working condition and operational data of Wind turbines；To make user preferably hold overall data tendency, using line
Item, block diagram, cake chart, curve graph, dynamic power flow figure are intuitively shown.In human-computer interaction interface, real-time display system wiring diagram,
Sampled value is browsed, on-off state is browsed, inquires each section groundwork data, record fault data, operation note.
Simulation control subsystem carries out the calculating storage of system operation support data.The each sub-device for including with analogue system
It is communicated, realizes the transmission of support data, control instruction, setting information；
Distribution transformer emulates 10/0.38kV distribution transformings, emulates distribution transforming appearance, is installed between two pillar emulation tower bars,
Built-in 0.38/0.38kV isolating transformers are provided to distributed wind-power generator O＆M simulation training system after isolation
380V power supplys provide system operation required operating voltage.It ensures personal safety, reduces emulation electricity generation system to true distribution
The influence of net.
In conjunction with Fig. 2, power distribution cabinet becomes the voltage progress electric energy distribution of output by distribution is emulated, and is exchanged always into breaker containing 1 tunnel
Output breaker, 1 emulation three-phase and four-line intelligent electric energy meter are exchanged with 2 tunnels, simulation electric energy meter passes through with simulative surveillance system
RS485 interface communications realize the acquisition of electric energy meter data；Simulative surveillance system emulates current distributed wind-power generator O＆M real
The working condition and operational mode of each node of exercising system carry out data analysis, trend operation, and simulation electric energy meter is shown electrical quantity
Information is revised as operation result value, realizes the simulation of electricity generation system electric energy measurement data.By with terminal user generate electricity batch meter,
User's batch meter data analysis is compared, to network voltage wave after realization distributed wind-power generator system generating equipment access system
Dynamic, power grid quality influences simulation.By intelligent voltage, current source simulating grid voltage, frequency, harmonic wave, power factor change, imitate
The simulation of true power distribution system quality of electric power monitoring device display data.
Anti- isolated island protective device case has isolated island and trips and isolated island recovery distant place closing function, in system operation, the device
Constantly monitoring busbar voltage and measurement electric current have the function of to abnormal current and voltage alarm, cooperation virtual load voltage and current source
Realize following defencive function.
Overvoltage tripping, undervoltage tripping have pressure automatic closing, overfrequency tripping, low frequency tripping, instantaneous inverse probability to sentence
Not Tiao Zha, anti-isolated island protection differentiate, selectable automatic recovery closing function.
Simulation wind regime and wind-driven generator are made of high-power blower and a 300W wind-driven generator, and wind-driven generator is set
It sets that third gear is adjustable, by the adjusting to wind turbine wind speed, provides simulated environment for wind turbine power generation, wind-driven generator is being simulated
It is run in environment, realizes wind-power electricity generation simulation data.Generating efficiency of the wind turbine under different wind speed can be intuitively shown by stage body.
Translucent cover is set outside wind turbine, protects real training personnel safety.
In conjunction with Fig. 3, distributed wind-power generator analogue system is shown in the form of stage body, using emulation single-phase electric meter, miniature list
Phase inverter, controller, emulation unloader, isolation switch, emulation double-power supply switching device, emulation header box composition, with wind-force
Based on power generation, cabinet prepares plurality of operating modes cable connection in advance, in flakes by key node cross-over sub, realizes not
With the switching of operational mode, the grid-connected online operational mode in full of wind-force, the grid-connected remaining electricity online pattern of wind-force, wind-powered electricity generation off-network can be shown
Operational mode etc. can carry out demonstrating containing energy storage and without storage energy operation, stage body is controlled using XC3-60R-E PLC control modules
The form that LED light built in panel is lighted is shown, and shows plurality of operating modes lower band power path.Panel is provided with wind regime
Intensity adjustment button, wind intensity change-over switch, operational mode select button, AC power supply module realize a distant place to wind regime wind
The control of machine, the simulation of wind-driven generator output voltage.Using DC power supplier, AC power supply module realize DC over-voltage,
Under-voltage time control molding is quasi-, the simulation of inverter protection act, off-load action simulation.
Claims (6)
1. a kind of distributed wind-power generator O＆M simulation training system, which is characterized in that monitor system including distributed wind-power generator
System, simulation control subsystem, distribution transformer, power distribution cabinet, anti-isolated island protective device case, simulation wind regime and wind-driven generator, distribution
Formula wind-power electricity generation analogue system；
Distributed wind-power generator monitoring system provides the operation interface of human-computer interaction for system operation control, and acquisition system is each electrical
Electric current, voltage, active and reactive, power factor, the frequency data in circuit；Switch position signal is acquired, switch remote control behaviour is carried out
Make；
Simulation control subsystem carries out the calculating storage of system operation support data, each sub-device for including with simulation training system
It is communicated, realizes the transmission of control instruction, setting information；
Isolating transformer built in distribution transformer provides the 380V power supplys after isolation for simulation training system；
Power distribution cabinet is the voltage progress electric energy distribution for emulating distribution and becoming output；
Anti- isolated island protective device case is for monitoring busbar voltage and measuring electric current；
Wind regime is simulated by the adjusting to wind turbine wind speed, provides simulated environment for wind turbine power generation, wind-driven generator is in mould
Near-ring is run in border, realizes wind-power electricity generation simulation data；
Distributed wind-power generator analogue system realizes the switching of different operational modes, realizes control of the distant place to wind regime wind turbine, wind
The simulation of power generator output voltage；DC over-voltage, under-voltage time control molding are realized using DC power supplier, AC power supply module
The quasi-, simulation of inverter protection act, off-load action simulation.
2. distributed wind-power generator O＆M simulation training system according to claim 1, which is characterized in that distributed wind
The monitoring interface of power generation monitoring system shows much information, including the voltage of main network access line, electric current and frequency, killer switch shape
State, the working condition and operational data of Wind turbines.
3. distributed wind-power generator O＆M simulation training system according to claim 1, which is characterized in that distribution transformer
10/0.38kV distribution transformings are emulated, are installed between two pillar emulation tower bars, built-in 0.38/0.38kV isolating transformers, to distribution
Formula wind-force O＆M simulation training system provides the 380V power supplys after isolation, provides system operation required operating voltage.
4. distributed wind-power generator O＆M simulation training system according to claim 1, which is characterized in that power distribution cabinet includes
The exchange of 1 tunnel is always into breaker, 2 tunnels exchange output breaker and 1 emulation three-phase and four-line intelligent electric energy meter；
Transformer output end is always connect into breaker after emulating three-phase and four-line intelligent electric energy meter with exchange, is then divided to two all the way
Road exports breaker by two exchanges respectively and is connected with dummy load, distributed wind-power generator analogue system.
5. distributed wind-power generator O＆M simulation training system according to claim 1, which is characterized in that simulation wind regime and
Wind-driven generator is made of high-power blower and a 300W wind-driven generator, and wind-driven generator setting third gear is adjustable, by right
The adjusting of wind turbine wind speed provides simulated environment for wind turbine power generation, and wind-driven generator is run in simulated environment, realizes wind
Power power generation simulation data.
6. distributed wind-power generator O＆M simulation training system according to claim 1, which is characterized in that distributed wind
The analogue system that generates electricity includes emulation single-phase electric meter, bidirectional power meter, miniature single-phase inverter, controller, emulation unloader, isolation
Disconnecting link, emulation double-power supply switching device, accumulator group, user load；
Emulation single-phase electric meter is for measuring the generated electricity energy of wind-force；Bidirectional power meter is for measuring grid-connected electricity；Miniature single-phase inversion
Device is used to the DC inverter that wind-driven generator is sent out be to meet the alternating current of grid-connected requirement, and realize grid-connected function；Emulation
Unloader is accumulator super-charge in order to prevent, and extra electricity is uninstalled by unloader；Controller adjusts wind-power electricity generation
Energy after adjustment, is on the one hand sent to inverter by section and control, on the other hand that extra energy is bent by the characteristic of accumulator
Line charges to accumulator group；Emulation double-power supply switching device is used to switch the power supply of user load, works as electrical breakdown
When automatically switch to wind generator system power supply, conversely, automatically switch to power grid power supply；Isolation switch is used for wind-power electricity generation system
System is isolated with power grid；
The electric energy of wind-driven generator imports controller, and after the adjusting and control of controller, a part is battery charging,
A part inputs miniature single-phase grid-connected inverter, and extra electric energy then flows into emulation unloader；Inverter will meet grid-connected requirement
Alternating current input emulation single-phase electric meter is for measuring the generated electricity energy of wind-force；Then simulation electric energy meter switches with emulation dual power supply respectively
Device, bidirectional power meter connection, bidirectional power meter are connect by isolation switch with power grid, emulation double-power supply switching device and load
Connection.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884250A (en) * | 2020-07-09 | 2020-11-03 | 江西工业工程职业技术学院 | Intelligent new energy training control system and method and information data processing terminal |
| CN112630720A (en) * | 2020-12-03 | 2021-04-09 | 朗兴共创电气有限公司 | Three-phase electric energy meter wiring simulation system and use method thereof |
| CN113312749A (en) * | 2021-04-21 | 2021-08-27 | 中国电力科学研究院有限公司 | Power system simulation method and system considering distributed wind driven generator |
| CN114038282A (en) * | 2021-11-12 | 2022-02-11 | 国网山东省电力公司高密市供电公司 | Internal overvoltage simulation display system of power system and working method |
| US11474160B2 (en) | 2020-08-18 | 2022-10-18 | Rohde & Schwarz Gmbh & Co. Kg | Battery emulation apparatus |
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| CN114038282A (en) * | 2021-11-12 | 2022-02-11 | 国网山东省电力公司高密市供电公司 | Internal overvoltage simulation display system of power system and working method |
| CN114038282B (en) * | 2021-11-12 | 2024-04-12 | 国网山东省电力公司高密市供电公司 | Power system internal overvoltage simulation display system and working method |
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