CN107037733A - Wind power plant energy storage hardware-in―the-loop test adjusts system and method - Google Patents
Wind power plant energy storage hardware-in―the-loop test adjusts system and method Download PDFInfo
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/001—Measuring real or reactive component; Measuring apparent energy
- G01R21/002—Measuring real component
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/001—Measuring real or reactive component; Measuring apparent energy
- G01R21/003—Measuring reactive component
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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Abstract
System and method is adjusted the invention discloses a kind of wind power plant energy storage hardware-in―the-loop test, is related to wind power plant Real-time Simulation Technology field.The test system is realized based on real-time simulation platform, by building wind power plant energy-storage system analogue unit, and with reference to level adapted plate, input/output signal is connected with actual energy-storage system energy manager, hardware-in―the-loop test loop is constituted.Wind power plant is tested in the case of different wind features, whether the capacity configuration of energy-storage system is reasonable, whether Power Output for Wind Power Field can be played a part of fluctuation stabilize, peak load shifting, it is unlikely to proportioning again and excessive causes the wasting of resources, and it is optimized, it is ensured that wind power plant reliability of operation and economy.
Description
Technical field
The present invention relates to wind power plant Real-time Simulation Technology field, and in particular to a kind of wind power plant energy storage hardware-in―the-loop test is adjusted
Whole system and its method of testing.
Background technology
The characteristics of due to wind energy randomness, fluctuation, determine that the power output of wind power plant also shows fluctuation and not
Certainty.With Wind turbines capacity, proportion gradually increases in power system, and this not only causes wind power output to be difficult to standard
Really prediction, and safety and stability to power system and economical operation bring a series of problems.In order to stabilize wind-powered electricity generation fluctuation
Power, makes wind-powered electricity generation have schedulability to a certain extent, often assign energy storage device access as guarantee system safe and stable operation
Mode.Whether the capacity configuration of energy-storage system is reasonable, has very big shadow to the economical operation of wind power plant energy storage association system
Ring.If stored energy capacitance configuration is too small, when night wind energy resources is abundant, during the big hair of wind-powered electricity generation, the unnecessary electricity sent cannot fill
Divide storage, cause the waste of wind power resources.If capacity configuration is excessive, not only cost of investment is significantly greatly increased, it is also possible to so that energy storage
Equipment is in undercharge situation for a long time, badly influences the service life of energy storage device.Therefore, rational planning energy storage system
The capacity of system, the long term growth for wind power generation industry is of great practical significance.
In prior art, such as Publication No. CN104317283A, the time of disclosure is on January 28th, 2015, entitled
The Chinese invention patent document of " one kind is for wind power station control system hardware-in―the-loop test platform and its method of testing ", is disclosed
One kind is used for wind power station control system hardware-in―the-loop test platform and its method of testing, and the test platform includes core power network and change
Flow the central computer sim- ulation machine of device, the pneumatic and machine emulated computer cluster of Wind turbines, test platform condition monitoring and manipulate
The part such as position machine, gateway and interface module, wind power station control system is constituted, between host computer and each replicating machine and replicating machine
Communicated between tested wind power station control system using Fast Ethernet.The test platform is based on Matlab/Simulink's
Wind power station control system simulation test platform, with reference to real wind park controller, can repeat simulation wind power plant routine and
Fault condition, carries out corresponding hardware-in―the-loop test.But, the test platform does not build energy-storage system model, therefore not
Hardware-in―the-loop test can be carried out to the stored energy capacitance of wind power plant.
For another example Publication No. CN104505850A, the time of disclosure is on April 5th, 2015, a kind of entitled " wind power plant energy storage
The Chinese invention patent document of system ", it is proposed that a kind of generated output by predicting wind power plant and the situation of change of load, it is real
When detection energy storage battery modular battery capacity and power distribution network running situation, to formulate and implement optimum control strategy
Wind farm energy storage device control system.But, the system is based only on software emulation, can not be to real energy-storage system energy
Manager is tested.
The content of the invention
In order to play the advantage of energy storage technology, run with making wind power plant safety, schedulable, economical and efficient, the present invention is based on
Real-time simulation platform, using real-time simulation software, by building wind power plant-energy-storage system analogue unit, with reference to level adapted plate,
Input/output signal is accessed to actual energy-storage system energy manager, hardware-in―the-loop test system, test wind power plant storage is constituted
Whether energy capacity configuration is reasonable, and optimizes.
The purpose of the present invention is achieved through the following technical solutions：
Wind power plant energy storage hardware-in―the-loop test adjusts system, it is characterised in that：Including energy-storage system energy manager, level adapted
Plate, wind power plant energy-storage system；The level adapted plate includes resistor voltage divider circuit and photoelectric coupled circuit；The wind power plant energy-storage system
Including the wind power plant analogue unit with I/O interfaces, power network and load simulation unit and energy-storage system analogue unit；The energy storage
The signal of system capacity manager accesses the I/O interfaces of each analogue unit of wind power plant energy-storage system by level adapted plate.
Wind power plant energy-storage system feeds back to the signal of energy-storage system energy manager, including the output of wind power plant unit is active
Power/reactive power, three-phase voltage/electric current of power network unit, the DC voltage/current of energy storage inverter unit output and three-phase
The state-of-charge of AC voltage/current, electric pile unit（SOC）.
, can be with real time modifying wind power plant analogue unit, power network and load mould under the Runtime patterns of real-time simulation software
The model parameter of quasi-simple member, energy-storage system analogue unit, system-level performance examination of the simulation wind power plant under different wind features
Test, complete the hardware-in―the-loop test optimized to wind farm energy storage capacity.
When test obtains the data of optimizing capacity, it is necessary to which the model parameter of modification includes：The rated capacity of Wind turbines,
Output power curve, and energy-storage system capacity（That is the number of battery unit）
When test obtains the data of system protection state, it is necessary to which the model parameter of modification includes：By changing electricity fault analog device
To simulate the failure of following grid sides, and by changing the parameter of " electric pile unit " simulate the failure of following pile sides
Described wind power plant analogue unit includes some series arms being connected in parallel on same ac bus unit, wherein branch road
Bar number is determined that every branch road includes the Wind turbines unit of series connection, grid-connected converter system unit by actual wind power plant topological structure
And transformer unit.
The three-phase load that described power network includes being connected in parallel on public ac bus unit with load simulation unit is simulated
Unit and AC network analogue unit, three-phase load unit are used to simulate actual use electric loading, and AC network unit is used for mould
Intend the actual electric network of access.
Described energy-storage system analogue unit includes electric pile unit and the storage being made up of several battery unit connection in series-parallel
Can inverter unit, the wherein quantity of battery unit determines by the capacity of actual energy-storage system, electric pile unit and energy storage inverter
Unit, which is cascaded, accesses public ac bus unit.
Described energy-storage system energy manager includes BMS battery management systems and energy storage inverter function control system,
Wherein BMS battery management systems are used for the state for monitoring battery unit in energy-storage pile, it is ensured that the safety of pile discharge and recharge；Energy storage
Inverter function control system is used for the power output for controlling energy storage inverter, it is ensured that energy-storage system goes out for the entirety of wind power plant
Power can play a part of fluctuation stabilize, peak load shifting.
Described I/O interfaces include High Speed Analog amount output interface GTAO, and level range is -10V ~ 10V, High Speed Analog amount
Input interface GTAI, level range is -10V ~ 10V, high-speed figure amount output interface GTDO, and level range is 5V ~ 24V, high speed
Digital-quantity input interface GTDI, level range is 0V ~ 24V.
Wind power plant energy storage hardware-in―the-loop test method of adjustment, it is characterised in that comprise the following steps：
Step 1, wind power plant energy-storage system is built in real-time simulation platform, wind power plant energy-storage system includes wind-powered electricity generation field stimulation list
Member, power network and load simulation unit and energy-storage system analogue unit, the I/O interfaces of real-time simulation platform are connected by level adapted plate
Energy-storage system energy manager is connect, hardware-in―the-loop test system is formed；
Step 2, according to the parameter of the topological structure of actual wind power plant, energy-storage system and access power network in Real Time Simulation Software Platform
In parameter configuration is controlled to hardware-in―the-loop test system, while configuring corresponding in energy-storage system energy manager
Energy management parameter；
Step 3, it is used to using the actual output power curve of wind power plant as the set-point of wind power plant analogue unit power output
The wind feature of the actual wind power plant of simulation；
Step 4, whole hardware-in―the-loop test system starts, wind power plant mould are allowed after the capacity of configuration wind power plant energy-storage system,
Intend unit simulation generating to deliver in power network and load simulation unit, energy-storage system energy manager is pressed according to grid-connected power rating
According to the energy management dynamic state of parameters switching rectification configured in step 2 or inverter mode, to the storage in energy-storage system analogue unit
Energy pile carries out charge or discharge operation, now observes and record the output power curve and energy storage electricity of wind power plant analogue unit
The SOC curves of heap；
Step 5, due to overcharging, the damage of crossing energy-storage battery unit of being rivals in a contest it is larger, therefore within the whole testing time, if energy storage is electric
The SOC curves of heap maintain 30% ~ 70%, then it is assumed that up to standard；If the time that SOC curves occur less than 30% exceedes total testing time
10%, then reduce energy-storage system capacity, if SOC curves occur higher than 70% time exceed total testing time 10%, increase
The capacity of big energy-storage system, until the SOC of energy-storage pile is maintained essentially at 30% ~ 70%, holds so as to realize to wind power plant energy storage
The optimization of amount.
In the step 2, topological structure, energy-storage system and the parameter for accessing power network of actual wind power plant, topological structure ginseng
Number refers to true according to the single-machine capacity of actual wind power plant total capacity and Wind turbines in wind power plant energy-storage system analogue unit
The bar number of fixed parallel branch；Energy-storage system parameter refers to the capacity and inverter rated output work(of wind power plant energy-storage system
Rate；The parameter of access power network refers to the voltage class of actual electric network.
In the step 2, in Real Time Simulation Software Platform being controlled parameter configuration to hardware-in―the-loop test system is
Refer to the basic charge and discharge control parameter to energy storage inverter, fault of converter to shut down and DC side/AC/net side breaker
The parameters of switch motion Preservation tactics configured.
In the step 5, the capacity that energy-storage system is decreased or increased is by changing the battery list in real-time simulation platform
What the quantity of member was realized.
Beneficial effects of the present invention are as follows：
First, the wind power plant energy storage hardware-in―the-loop test adjustment system that the present invention is provided, using Modularization modeling, using I/O interfaces
The energy-storage system energy manager of each test module and wind power plant is connected, can be with the scale and energy-storage system of rapid configuration wind power plant
Capacity, tested with reference to actual energy-storage system energy manager, be easy to detection in time and adjust, simulate and obtain most suitable
Capacity ratio and Preservation tactics, easily actual energy management strategy can be verified, substantially reduce the R＆D cycle,
Strong applicability, scalability are good.
2nd, the wind power plant energy storage hardware-in―the-loop test adjustment system that the present invention is provided, it is the Wind turbines unit of series connection, grid-connected
The branch road of converter system unit and transformer unit can be more complete simulate actual power grid wind state；Phase load mould
The load condition simulated in actual electric network of quasi-simple member and AC network analogue unit completely；Energy-storage system analogue unit includes
The electric pile unit and energy storage inverter unit being made up of several battery unit connection in series-parallel, are easy to by adjusting battery unit
Quantity adjusts capacity.
3rd, the wind power plant energy storage hardware-in―the-loop test method of adjustment that the present invention is provided, by setting up analog platform and wind-powered electricity generation
The test platform of the energy-storage system energy manager of field, wind is used as in analog platform using the actual output power curve of wind power plant
The set-point of electric field simulation unit power output, with the topological structure of actual wind power plant, energy-storage system and the parameter for accessing power network
To simulate the state of actual wind power plant, complete to test under line in different charge and discharge process and adjust energy-storage system energy management
Device is to reach best working condition.
4th, the wind power plant energy storage hardware-in―the-loop test method of adjustment that the present invention is provided, topological structure parameter refers in wind-powered electricity generation
The parallel branch determined in the energy-storage system analogue unit of field according to the single-machine capacity of actual wind power plant total capacity and Wind turbines
Bar number；Energy-storage system parameter refers to the capacity and inverter rated output power of wind power plant energy-storage system；Access power network
Parameter refers to the voltage class of actual electric network, is easy to preferably simulate reality using the parameter of these most closing to reality wind power plants
Installed capacity, transmission inverter mode and load condition in wind power plant, also allow for simulating different wind-powered electricity generations by adjusting parameter
Field state.
5th, the wind power plant energy storage hardware-in―the-loop test method of adjustment that the present invention is provided, right in Real Time Simulation Software Platform
Hardware-in―the-loop test system be controlled parameter configuration refer to basic charge and discharge control parameter to energy storage inverter, inverter therefore
The parameter of the switch motion Preservation tactics of barrier shutdown and DC side/AC/net side breaker is configured, and adjusts discharge and recharge
Control parameter realizes the capacity check and regulation during simulation test, and configuration fault of converter is shut down and DC side/exchange
The parameter of the switch motion Preservation tactics of side/net side breaker can then test the Preservation tactics of energy-storage system.
6th, the wind power plant energy storage hardware-in―the-loop test method of adjustment that the present invention is provided, increase and decrease emulation platform battery unit
Quantity can simulate the size of adjustment capacity.
Brief description of the drawings
Fig. 1 is present system structural representation；
Fig. 2 is the wind power plant analogue unit schematic diagram in the wind power plant energy-storage system of the present invention；
Fig. 3 is the energy-storage system analogue unit schematic diagram in the wind power plant energy-storage system of the present invention；
In figure：
1st, energy-storage system energy manager；2nd, level adapted plate；2.1st, resistor voltage divider circuit；2.2nd, photoelectric coupled circuit；3rd, wind power plant
Energy-storage system；3.1st, wind power plant analogue unit；3.2nd, energy-storage system analogue unit；3.3rd, power network and load simulation unit；4、I/O
Interface.
Embodiment
In order to be better understood from above-mentioned technical proposal, carried out further by specific embodiment below in conjunction with accompanying drawing
It is bright, it should be noted that technical solution of the present invention includes but is not limited to following examples.
Embodiment 1
Such as Fig. 1 to Fig. 3, wind power plant energy storage hardware-in―the-loop test adjustment system, including energy-storage system energy manager 1, level are suitable
Matching board 2, wind power plant energy-storage system 3；The level adapted plate 2 includes resistor voltage divider circuit 2.1 and photoelectric coupled circuit 2.2；The wind
Electric field energy-storage system 3 includes the wind power plant analogue unit 3.1 with I/O interfaces 4, power network and load simulation unit 3.3 and energy storage
System simulation unit 3.2；The signal of the energy-storage system energy manager 1 accesses wind power plant energy storage system by level adapted plate 2
Unite the I/O interfaces 4 of 3 each analogue units.
This is wind power plant energy storage hardware-in―the-loop test adjustment a kind of most basic embodiment of system of the present invention.Using module
Change modeling, the energy-storage system energy manager of each test module and wind power plant is connected using I/O interfaces, can be with rapid configuration wind-powered electricity generation
Scale and energy-storage system capacity, tested with reference to actual energy-storage system energy manager, be easy to detection in time with
Adjustment, simulation obtains most suitable capacity ratio and Preservation tactics, and easily actual energy management strategy can be verified,
The R＆D cycle is substantially reduced, strong applicability, scalability are good.
Embodiment 2
Such as Fig. 1 to Fig. 3, wind power plant energy storage hardware-in―the-loop test adjustment system, including energy-storage system energy manager 1, level are suitable
Matching board 2, wind power plant energy-storage system 3；The level adapted plate 2 includes resistor voltage divider circuit 2.1 and photoelectric coupled circuit 2.2；The wind
Electric field energy-storage system 3 includes the wind power plant analogue unit 3.1 with I/O interfaces 4, power network and load simulation unit 3.3 and energy storage
System simulation unit 3.2；The signal of the energy-storage system energy manager 1 accesses wind power plant energy storage system by level adapted plate 2
Unite the I/O interfaces 4 of 3 each analogue units；Described wind power plant analogue unit 3.1 is connected in parallel on same ac bus list including some
Series arm in member, every branch road includes Wind turbines unit, grid-connected converter system unit and the transformer unit of series connection；Institute
The power network and load simulation unit 3.3 stated include the three-phase load analogue unit and the friendship that are connected in parallel on public ac bus unit
Flow power network analogue unit；Described energy-storage system analogue unit 3.2 includes the pile being made up of several battery unit connection in series-parallel
Unit and energy storage inverter unit, electric pile unit and energy storage inverter unit, which are cascaded, accesses public ac bus list
Member；Described energy-storage system energy manager 1 includes BMS battery management systems and energy storage inverter function control system, wherein
BMS battery management systems are used for the state for monitoring battery unit in energy-storage pile, it is ensured that the safety of pile discharge and recharge；Energy storage inversion
Device function control system is used for the power output for controlling energy storage inverter；Described I/O interfaces（4）Including the output of High Speed Analog amount
Interface GTAO, High Speed Analog amount input interface GTAI, high-speed figure amount output interface GTDO and high-speed figure amount input interface
GTDI。
This is wind power plant energy storage hardware-in―the-loop test adjustment a kind of preferred embodiment of system of the present invention.Using modularization
Modeling, the energy-storage system energy manager of each test module and wind power plant is connected using I/O interfaces, can be with rapid configuration wind power plant
Scale and energy-storage system capacity, tested with reference to actual energy-storage system energy manager, be easy to detection in time and tune
Whole, simulation obtains most suitable capacity ratio and Preservation tactics, easily actual energy management strategy can be verified, greatly
The R＆D cycle is shortened greatly, strong applicability, scalability are good；The Wind turbines unit of series connection, grid-connected converter system unit and
The branch road of transformer unit can be more complete simulate actual power grid wind state；Phase load analogue unit and alternating current
The load condition simulated in actual electric network of net analogue unit completely；Energy-storage system analogue unit is included by several battery lists
The electric pile unit and energy storage inverter unit of first connection in series-parallel composition, are easy to adjust appearance by adjusting the quantity of battery unit
Amount.
Embodiment 3
Such as Fig. 1 to Fig. 3, wind power plant energy storage hardware-in―the-loop test method of adjustment comprises the following steps：
Step 1, wind power plant energy-storage system 3 is built in real-time simulation platform, wind power plant energy-storage system 3 includes wind-powered electricity generation field stimulation list
Member 3.1, power network and load simulation unit 3.3 and energy-storage system analogue unit 3.2, the I/O interfaces 4 of real-time simulation platform pass through electricity
The flat connection energy-storage system of adaptation board 2 energy manager 1, forms hardware-in―the-loop test system；
Step 2, according to the parameter of the topological structure of actual wind power plant, energy-storage system and access power network in Real Time Simulation Software Platform
In parameter configuration is controlled to hardware-in―the-loop test system, while being configured in energy-storage system energy manager 1 corresponding
Energy management parameter；
Step 3, it is used to using the actual output power curve of wind power plant as the set-point of wind power plant analogue unit power output
The wind feature of the actual wind power plant of simulation；
Step 4, whole hardware-in―the-loop test system starts, wind power plant mould are allowed after the capacity of configuration wind power plant energy-storage system,
Power network is delivered in the quasi-simple simulation of member 3.1 generating and in load simulation unit 3.3, energy-storage system energy manager 1 is according to grid-connected power
State, switches rectification or inverter mode, to energy-storage system analogue unit according to the energy management dynamic state of parameters configured in step 2
Energy-storage pile in 3.2 carries out charge or discharge operation, now observes and record the power output of wind power plant analogue unit 3.1
The SOC curves of curve and energy-storage pile；
Step 5, within the whole testing time, if the SOC curves of energy-storage pile maintain 30% ~ 70%, then it is assumed that up to standard；If SOC
The time that curve occurs less than 30% exceedes the 10% of total testing time, then reduces the capacity of energy-storage system, if the appearance of SOC curves is high
Exceed the 10% of total testing time in 70% time, then increase the capacity of energy-storage system, until the SOC of energy-storage pile is substantially tieed up
Hold 30% ~ 70%, so as to realize the optimization to wind farm energy storage capacity.
This is a kind of most basic embodiment of wind power plant energy storage hardware-in―the-loop test method of adjustment of the present invention.By setting up
The test platform of the energy-storage system energy manager of analog platform and wind power plant, it is actual using wind power plant wind power plant in analog platform
Output power curve as wind power plant analogue unit power output set-point, with the topological structure of actual wind power plant, energy storage
System simulates the state of actual wind power plant with the parameter of access power network, completes to test simultaneously under line in different charge and discharge process
Energy-storage system energy manager is adjusted to reach best working condition.
Embodiment 4
Such as Fig. 1 to Fig. 3, wind power plant energy storage hardware-in―the-loop test method of adjustment comprises the following steps：
Step 1, wind power plant energy-storage system 3 is built in real-time simulation platform, wind power plant energy-storage system 3 includes wind-powered electricity generation field stimulation list
Member 3.1, power network and load simulation unit 3.3 and energy-storage system analogue unit 3.2, the I/O interfaces 4 of real-time simulation platform pass through electricity
The flat connection energy-storage system of adaptation board 2 energy manager 1, forms hardware-in―the-loop test system；
Step 2, according to the parameter of the topological structure of actual wind power plant, energy-storage system and access power network in Real Time Simulation Software Platform
In parameter configuration is controlled to hardware-in―the-loop test system, while being configured in energy-storage system energy manager 1 corresponding
Energy management parameter；
Step 3, it is used to using the actual output power curve of wind power plant as the set-point of wind power plant analogue unit power output
The wind feature of the actual wind power plant of simulation；
Step 4, whole hardware-in―the-loop test system starts, wind power plant mould are allowed after the capacity of configuration wind power plant energy-storage system,
Power network is delivered in the quasi-simple simulation of member 3.1 generating and in load simulation unit 3.3, energy-storage system energy manager 1 is according to grid-connected power
State, switches rectification or inverter mode, to energy-storage system analogue unit according to the energy management dynamic state of parameters configured in step 2
Energy-storage pile in 3.2 carries out charge or discharge operation, now observes and record the power output of wind power plant analogue unit 3.1
The SOC curves of curve and energy-storage pile；
Step 5, within the whole testing time, if the SOC curves of energy-storage pile maintain 30% ~ 70%, then it is assumed that up to standard；If SOC
The time that curve occurs less than 30% exceedes the 10% of total testing time, then reduces the capacity of energy-storage system, if the appearance of SOC curves is high
Exceed the 10% of total testing time in 70% time, then increase the capacity of energy-storage system, until the SOC of energy-storage pile is substantially tieed up
Hold 30% ~ 70%, so as to realize the optimization to wind farm energy storage capacity；
In the step 2, the topological structure of actual wind power plant, energy-storage system and the parameter for accessing power network, topological structure parameter is
Refer to what is determined in wind power plant energy-storage system analogue unit according to the single-machine capacity of actual wind power plant total capacity and Wind turbines
The bar number of parallel branch；Energy-storage system parameter refers to the capacity and inverter rated output power of wind power plant energy-storage system；Connect
The parameter for entering power network refers to the voltage class of actual electric network；
In the step 2, parameter configuration is controlled to hardware-in―the-loop test system in Real Time Simulation Software Platform and is referred to pair
The basic charge and discharge control parameter of energy storage inverter, fault of converter are shut down and DC side/AC/net side breaker is opened
The parameter for closing action protection strategy is configured；
In the step 5, the capacity that energy-storage system is decreased or increased is by changing the battery unit in real-time simulation platform
What quantity was realized.
This is a kind of preferred embodiment of wind power plant energy storage hardware-in―the-loop test method of adjustment of the present invention.By setting up
The test platform of the energy-storage system energy manager of analog platform and wind power plant, it is actual using wind power plant wind power plant in analog platform
Output power curve as wind power plant analogue unit power output set-point, with the topological structure of actual wind power plant, energy storage
System simulates the state of actual wind power plant with the parameter of access power network, completes to test simultaneously under line in different charge and discharge process
Energy-storage system energy manager is adjusted to reach best working condition；Topological structure parameter refers in wind power plant energy-storage system mould
The bar number of the parallel branch determined in quasi-simple member according to the single-machine capacity of actual wind power plant total capacity and Wind turbines；Energy storage system
System parameter refers to the capacity and inverter rated output power of wind power plant energy-storage system；The parameter of access power network refers to reality
The voltage class of power network, is easy to preferably simulate the dress in actual wind power plant using the parameter of these most closing to reality wind power plants
Machine capacity, transmission inverter mode and load condition, also allow for simulating different wind power plant states by adjusting parameter；Real-time
Parameter configuration is controlled in simulation Software Platform to hardware-in―the-loop test system and refers to basic discharge and recharge to energy storage inverter
The parameter of the switch motion Preservation tactics of control parameter, fault of converter shutdown and DC side/AC/net side breaker is entered
Row configuration, adjustment charge and discharge control parameter realizes capacity check and the regulation during simulation test, and configuration fault of converter stops
The parameter of the switch motion Preservation tactics of machine and DC side/AC/net side breaker can then test the guarantor of energy-storage system
Shield strategy；The quantity of increase and decrease emulation platform battery unit can simulate the size of adjustment capacity.
Embodiment 5
Such as Fig. 1 is to Fig. 3, and wind power plant energy storage hardware-in―the-loop test proposed by the present invention adjusts system, mainly includes energy-storage system energy
Measure manager, level adapted plate, wind power plant-energy-storage system analogue unit；The signal of the energy-storage system energy manager passes through
Level adapted plate accesses the I/O interfaces of wind power plant-energy-storage system analogue unit；The level adapted plate includes resistor voltage divider circuit
And photoelectric coupled circuit, for matching the signal level between energy-storage system energy manager and wind power plant-energy-storage system analogue unit；
Wind power plant-energy-storage system analogue unit includes wind power plant analogue unit, power network and load simulation unit and energy-storage system simulation is single
Member, wherein,
a）In real-time simulation software, according to the topological structure of controlled wind power plant, energy-storage system and the relevant parameter for accessing power network,
Wind power plant analogue unit, power network and load simulation unit, the Real-Time Model of energy-storage system analogue unit are built respectively, then
Described each analogue unit is connected in parallel on public ac bus unit；
b）Energy-storage system energy manager output power switch pipe drive signal, by level adapted plate access wind power plant-
The high-speed figure amount input I/O interfaces of energy-storage system analogue unit, in real-time simulation software, I/ is inputted by the high-speed figure amount
The signal of O Interface is configured to the drive signal of the power switch pipe of wind power plant-energy-storage system analogue unit；
c）Wind power plant-energy-storage system analogue unit feeds back to the signal of energy-storage system energy manager, passes through wind power plant-energy storage system
The High Speed Analog amount output I/O interfaces of system analogue unit, access energy-storage system energy management after level adapted plate level conversion
The corresponding passage of device, is inputted as the control parameter of energy-storage system energy manager.
Further, described wind power plant analogue unit includes：The a plurality of series connection being connected in parallel on same ac bus unit
Branch road, wherein branch travel permit number are determined that every branch route Wind turbines unit, grid-connected converter system by actual wind power plant topological structure
Unit and transformer unit are composed in series.
Further, described power network includes with load simulation unit：It is connected in parallel on three on public ac bus unit
Phase load analogue unit and AC network analogue unit, three-phase load unit are used to simulate actual use electric loading, AC network
Unit is used for the actual electric network for simulating access.
Further, described energy-storage system analogue unit includes：The pile being made up of several battery unit connection in series-parallel
Unit and energy storage inverter unit, the wherein quantity of battery unit determine by the capacity of actual energy-storage system, electric pile unit and
Energy storage inverter unit, which is cascaded, accesses public ac bus unit.
Further, described energy-storage system energy manager includes：BMS battery management systems and energy storage inverter function
Control system, wherein BMS battery management systems are used for the state for monitoring battery unit in energy-storage pile, it is ensured that pile discharge and recharge
Safety；Energy storage inverter function control system is used for the power output for controlling energy storage inverter, it is ensured that energy-storage system is for wind-powered electricity generation
Entirety exert oneself can play a part of fluctuation stabilize, peak load shifting.
Further, described I/O interfaces, including：High Speed Analog amount output interface GTAO, level range be -10V ~
10V, High Speed Analog amount input interface GTAI, level range are -10V ~ 10V, high-speed figure amount output interface GTDO, level range
For 5V ~ 24V, high-speed figure amount input interface GTDI, level range is 0V ~ 24V.
Further, described wind power plant-energy-storage system analogue unit feeds back to the signal of energy-storage system energy manager
Including：Active power/reactive power of wind power plant unit output, three-phase voltage/electric current of power network unit, energy storage inverter unit
The DC voltage/current and three-phase alternating voltage/electric current of output, the SOC of electric pile unit.
By above-mentioned steps, realize that energy-storage system energy manager and the closed loop of wind power plant-energy-storage system analogue unit connect
Connect, and then form hardware-in―the-loop test system.
Based on the hardware-in―the-loop test system, under the Runtime patterns of real-time simulation software, in real-time simulation software
, can be with real time modifying wind power plant analogue unit, power network and load simulation unit, energy-storage system analogue unit under Runtime patterns
Model parameter, system-level performance test of the simulation wind power plant under different wind features completed to wind farm energy storage capacity
The hardware-in―the-loop test of optimization.
Further, wind power plant energy-storage system energy is adjusted using above-mentioned wind power plant energy storage hardware-in―the-loop test system testing
The method of manager capacity, comprises the following steps：
1）Wind power plant-energy-storage system analogue unit is built in real-time simulation platform, with reference to level adapted plate, actual storage is connected
Can system capacity manager, formation hardware-in―the-loop test system；
2）Entered according to the topological structure of actual wind power plant, energy-storage system and the relevant parameter for accessing power network in real-time simulation software
Row corresponding configuration, while configuring corresponding energy management strategies in the energy manager model of energy-storage system；
3）Using set-point of the actual power curve of wind power plant as wind power plant analogue unit power output, to simulate reality
The wind feature of wind power plant；
4）After the capacity of preliminary configuration energy-storage system, whole hardware-in―the-loop test system starts, Wind turbines simulation hair are allowed
Electricity delivers to the power network with load, demand switching at runtime rectification or inverter mode of the energy-storage system according to grid-connected power, to storage
Can pile carry out charge or discharge operation, now observe and record corresponding wind power plant+energy-storage system output power curve and
The SOC curves of energy-storage pile；
5）Due to overcharging, the damage of crossing energy-storage battery unit of being rivals in a contest it is larger, therefore within the whole testing time, if energy-storage pile
SOC is maintained essentially at 30% ~ 70%, then it is assumed that up to standard；If there is the situation for being less than 30% for a long time, it should suitably reduce storage
The capacity of energy system；If there is the situation for being higher than 70% for a long time, it should suitably increase the capacity of energy-storage system, so as to realize
Optimization to wind farm energy storage capacity.
Embodiment 6
Such as Fig. 1 to Fig. 3, wind power plant energy storage hardware-in―the-loop test adjust system by energy-storage system energy manager, level adapted plate,
Wind power plant-the part of energy-storage system analogue unit three composition.The signal of energy-storage system energy manager is accessed by level adapted plate
The I/O interfaces of wind power plant-energy-storage system analogue unit, level adapted plate is made up of resistor voltage divider circuit and photoelectric coupled circuit, is realized
The matching of signal level between energy-storage system energy manager and wind power plant-energy-storage system analogue unit.Wind power plant-energy storage system
Analogue unit of uniting includes wind power plant analogue unit, power network and load simulation unit and the part of energy-storage system analogue unit three.
Wind power plant analogue unit is made up of a plurality of series arm being connected in parallel on same ac bus, and branch travel permit is several factually
Border wind power plant topological structure and scale are modified by real-time simulation software, and every branch road is all by Wind turbines unit, grid-connected
Converter system unit and the sections in series of transformer unit three composition.Wherein, the control strategy of grid-connected converter system unit passes through reality
When emulation platform realize, not with energy-storage system energy manager carry out signal interaction.
Electric pile unit and energy storage inverter unit that energy-storage system analogue unit is made up of several battery unit connection in series-parallel
Composition, wherein the quantity of battery unit is modified according to the capacity of actual energy-storage system by real-time simulation software, pile list
Member and energy storage inverter unit, which are cascaded, accesses public ac bus unit.
The drive signal of the power switch pipe of energy-storage system energy manager output, wind-powered electricity generation is accessed by level adapted plate
The GTDI interfaces of field-energy-storage system analogue unit, in real-time simulation software, energy storage inverter unit is configured to by the signal
The driving of power switch pipe.Meanwhile, the DC voltage that energy-storage system analogue unit feedback exports energy storage inverter unitU dc, it is straight
Flow electric currentI dc, three-phase alternating voltageU abc, three-phase alternating currentIabc, electric pile unit SOC signal outputs to GTAO interfaces, warp
The corresponding passage of energy-storage system energy manager is accessed after level adapted plate level conversion.
By above-mentioned steps, realize that energy-storage system energy manager and the signal of wind power plant-energy-storage system analogue unit are closed
Ring is connected, and then forms wind power plant energy storage hardware-in―the-loop test adjustment system.
Further, wind power plant energy-storage system energy is adjusted using above-mentioned wind power plant energy storage hardware-in―the-loop test system testing
The method of manager capacity, comprises the following steps：
1）Wind power plant-energy-storage system analogue unit is built in real-time simulation platform, with reference to level adapted plate, actual storage is connected
Can system capacity manager, formation hardware-in―the-loop test system；
2）Entered according to the topological structure of actual wind power plant, energy-storage system and the relevant parameter for accessing power network in real-time simulation software
Row corresponding configuration, while configuring corresponding energy management strategies in the energy manager model of energy-storage system；
3）Using set-point of the actual power curve of wind power plant as wind power plant analogue unit power output, to simulate reality
The wind feature of wind power plant；
4）After the capacity of preliminary configuration energy-storage system, whole hardware-in―the-loop test system starts, Wind turbines simulation hair are allowed
Electricity delivers to the power network with load, demand switching at runtime rectification or inverter mode of the energy-storage system according to grid-connected power, to storage
Can pile carry out charge or discharge operation, now observe and record corresponding wind power plant+energy-storage system output power curve and
The SOC curves of energy-storage pile；
5）Due to overcharging, the damage of crossing energy-storage battery unit of being rivals in a contest it is larger, therefore within the whole testing time, if energy-storage pile
SOC is maintained essentially at 30% ~ 70%, then it is assumed that up to standard；If there is the situation for being less than 30% for a long time, it should suitably reduce storage
The capacity of energy system；If there is the situation for being higher than 70% for a long time, it should suitably increase the capacity of energy-storage system, so as to realize
Optimization to wind farm energy storage capacity.
Embodiment 7
Such as Fig. 1 to Fig. 3, wind power plant energy storage hardware-in―the-loop test adjustment system mainly includes：Wind power plant-energy-storage system real-time simulation
Model and actual energy manager；
First, using real-time simulation software, wind power plant-energy-storage system Real-Time Model is built, is at least included：Wind power plant, storage
The model of energy system, power network and load；
Further, using the I/O interface of real-time simulation platform, the actual energy manager of connection energy-storage system forms wind power plant storage
Can system protection strategy hardware-in―the-loop test system；
Then, based on above-mentioned test system, test wind power plant is under different operating conditions, when energy-storage system breaks down, after
Electrical protective device whether can correct operation, when energy-storage system normal work, whether protective relaying device can be failure to actuate, so as to test
The validity of the Preservation tactics inside energy manager is demonstrate,proved, and is optimized.
Above-mentioned wind power plant simulation model forming process is as follows：
According to the actual installed capacity of wind power plant, using simulation software, build to form wind power plant simulation model, at least include：Wind
After the completion of group of motors, grid-connected converter system, the model of transformer, model buildings, tested, and combined real according to national standard
Border product performance curve is checked, and forms the wind power plant simulation model with engineering precision.
Described energy-storage system simulation model forming process is as follows：
According to the practical structures of energy-storage system, using simulation software, build to form energy-storage system simulation model, at least include：Electricity
Pool unit, energy storage inverter, alternating current filter, transformer, the model of DC side/AC/net side breaker, model buildings are complete
Cheng Hou, is tested also according to national standard, and is checked with reference to actual product characteristic curve, and being formed has engineering precision
Energy-storage system simulation model.
Described power network and load simulation model forming process are as follows：
According to the actual operating condition of wind power plant, using simulation software, build to form power network and load simulation model, including：Hand over
Power network, the model of three-phase load are flowed, wherein, AC network model also built-in analog failure device, the failure feelings to simulating grid
Condition.
Described energy manager, mainly includes control system and protection system two parts, wherein, control system includes：
BMS battery management systems, energy storage inverter function control system（PQ/VF patterns）, protection system includes：DC energy storage battery list
First protection, energy storage inverter protection, AC filter protection, AC transformer protection.
Described national testing standard：Wind power plant testing standard is GB/T19963-2011《Wind power plant accesses power system
Technical stipulation》, the testing standard of energy-storage system is Q/GDW564-2010《Energy-storage system access distribution network technology regulation》And GB/
T50062--2008《The relay protection of electric device and automatics design specification》.
Described energy-storage system failure situation at least includes：Battery unit overvoltage or low-voltage, battery unit excessively stream,
Battery current/voltage change ratio is too fast, inverter ac/direct current side overvoltage/under-voltage, power network overfrequency/under-frequency, grid collapses
Isolated island, harmonic wave overload, grid entry point is caused to occur ground short circuit/phase fault.
Further, above-mentioned wind power plant energy storage hardware-in―the-loop test system testing wind power plant energy-storage system energy management is utilized
The method of device Preservation tactics, comprises the following steps：
1) according to controlled wind power plant and the relevant parameter and operating condition of energy-storage system, in the real-time simulation platform, utilize
The Real-Time Model of wind power plant, energy-storage system, power network and load is built by simulation software, wherein, farm model includes some
The individual Wind turbines, grid-connected converter system, the electrical simulation model of transformer, energy-storage system model include several battery lists
Member and energy storage inverter, alternating current filter, transformer, the model electrical simulation mould of DC side/AC/net side breaker
Type, power network includes three-phase alternating current power network, the electrical simulation model of threephase load with load model, builds wind power plant, the storage of completion
Energy system, the model of power network and load are simultaneously connected on same ac bus, form wind power plant-energy-storage system simulation model；
2), then will be above-mentioned after configuring corresponding control strategy and Preservation tactics in the energy manager model of energy-storage system
Simulation model carries out real-time code conversion, downloads to and real-time simulation is carried out in real-time simulation platform, observes simulation waveform, and combine
Corresponding country's testing standard and product performance curve are checked, it is ensured that simulation model meets engineering precision；
3) using the I/O interface of real-time simulation platform, the actual energy manager of connection energy-storage system is substituted in simulation model
Energy manager module, forms hardware-in―the-loop test system；
4) after whole hardware-in―the-loop test system brings into operation, wind power plant and energy-storage system is allowed to be operated in the operating mode of respective reality
Under, observe and record the action situation of each protection test point breaker and the working condition of energy storage inverter, then pass through
Real-time simulation platform simulates above-mentioned various failure situations, observe and record each protection test point breaker action situation and
The state switching scenario of energy storage inverter, so as to judge whether the Preservation tactics of now energy-storage system are effective, and is carried out progressively excellent
Change.
Claims (10)
1. wind power plant energy storage hardware-in―the-loop test adjusts system, it is characterised in that：Including energy-storage system energy manager（1）, electricity
Flat adaptation board（2）, wind power plant energy-storage system（3）；The level adapted plate（2）Including resistor voltage divider circuit（2.1）And optocoupler electricity
Road（2.2）；The wind power plant energy-storage system（3）Including with I/O interfaces（4）Wind power plant analogue unit（3.1）, power network with it is negative
Lotus analogue unit（3.3）With energy-storage system analogue unit（3.2）；The energy-storage system energy manager（1）Signal pass through electricity
Flat adaptation board（2）Access wind power plant energy-storage system（3）The I/O interfaces of each analogue unit（4）.
2. wind power plant energy storage hardware-in―the-loop test as claimed in claim 1 adjusts system, it is characterised in that：Described wind power plant
Analogue unit（3.1）Including some series arms being connected in parallel on same ac bus unit, every branch road includes series connection
Wind turbines unit, grid-connected converter system unit and transformer unit.
3. wind power plant energy storage hardware-in―the-loop test as claimed in claim 1 adjusts system, it is characterised in that：Described power network with
Load simulation unit（3.3）Three-phase load analogue unit and AC network mould on the ac bus unit public including being connected in parallel on
Quasi-simple member.
4. wind power plant energy storage hardware-in―the-loop test as claimed in claim 1 adjusts system, it is characterised in that：Described energy storage system
System analogue unit（3.2）Including the electric pile unit being made up of several battery unit connection in series-parallel and energy storage inverter unit, electricity
Heap unit and energy storage inverter unit, which are cascaded, accesses public ac bus unit.
5. wind power plant energy storage hardware-in―the-loop test as claimed in claim 1 adjusts system, it is characterised in that：Described energy storage system
System energy manager（1）Including BMS battery management systems and energy storage inverter function control system, wherein BMS battery managements system
Unite for the state for monitoring battery unit in energy-storage pile, it is ensured that the safety of pile discharge and recharge；Energy storage inverter function control system
Unite for the power output for controlling energy storage inverter.
6. wind power plant energy storage hardware-in―the-loop test as claimed in claim 1 adjusts system, it is characterised in that：Described I/O connects
Mouthful（4）Including High Speed Analog amount output interface GTAO, High Speed Analog amount input interface GTAI, high-speed figure amount output interface GTDO
With high-speed figure amount input interface GTDI.
7. wind power plant energy storage hardware-in―the-loop test method of adjustment, it is characterised in that comprise the following steps：
Step 1, wind power plant energy-storage system is built in real-time simulation platform（3）, wind power plant energy-storage system（3）Including wind power plant mould
Quasi-simple member（3.1）, power network and load simulation unit（3.3）With energy-storage system analogue unit（3.2）, the I/O of real-time simulation platform
Interface（4）Pass through level adapted plate（2）Connect energy-storage system energy manager（1）, form hardware-in―the-loop test system；
Step 2, according to the parameter of the topological structure of actual wind power plant, energy-storage system and access power network in Real Time Simulation Software Platform
In parameter configuration is controlled to hardware-in―the-loop test system, while in energy-storage system energy manager（1）It is middle to configure phase therewith
The energy management parameter answered；
Step 3, it is used to using the actual output power curve of wind power plant as the set-point of wind power plant analogue unit power output
The wind feature of the actual wind power plant of simulation；
Step 4, whole hardware-in―the-loop test system starts, wind power plant mould are allowed after the capacity of configuration wind power plant energy-storage system,
Quasi-simple member（3.1）Power network and load simulation unit are delivered in simulation generating（3.3）In, energy-storage system energy manager（1）According to simultaneously
Net power rating, switches rectification or inverter mode, to energy-storage system mould according to the energy management dynamic state of parameters configured in step 2
Quasi-simple member（3.2）In energy-storage pile carry out charge or discharge operation, now observe and record wind power plant analogue unit（3.1）
Output power curve and energy-storage pile SOC curves；
Step 5, within the whole testing time, if the SOC curves of energy-storage pile maintain 30% ~ 70%, then it is assumed that up to standard；If SOC
The time that curve occurs less than 30% exceedes the 10% of total testing time, then reduces the capacity of energy-storage system, if the appearance of SOC curves is high
Exceed the 10% of total testing time in 70% time, then increase the capacity of energy-storage system, until the SOC of energy-storage pile is substantially tieed up
Hold 30% ~ 70%, so as to realize the optimization to wind farm energy storage capacity.
8. wind power plant energy storage hardware-in―the-loop test method of adjustment as claimed in claim 7, it is characterised in that：In the step 2,
Topological structure, energy-storage system and the parameter for accessing power network of actual wind power plant, topological structure parameter refer in wind power plant energy storage system
The bar number of the parallel branch determined in system analogue unit according to the single-machine capacity of actual wind power plant total capacity and Wind turbines；Storage
Energy systematic parameter refers to the capacity and inverter rated output power of wind power plant energy-storage system；The parameter of access power network refers to
The voltage class of actual electric network.
9. wind power plant energy storage hardware-in―the-loop test method of adjustment as claimed in claim 7, it is characterised in that：In the step 2,
Parameter configuration is controlled in Real Time Simulation Software Platform to hardware-in―the-loop test system to refer to the basic of energy storage inverter
The switch motion Preservation tactics of charge and discharge control parameter, fault of converter shutdown and DC side/AC/net side breaker
Parameter is configured.
10. wind power plant energy storage hardware-in―the-loop test method of adjustment as claimed in claim 7, it is characterised in that：The step 5
In, the capacity that energy-storage system is decreased or increased is what is realized by changing the quantity of the battery unit in real-time simulation platform.
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