CN105223511A - A kind of method of testing for wind storage connecting system - Google Patents
A kind of method of testing for wind storage connecting system Download PDFInfo
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- CN105223511A CN105223511A CN201510556133.1A CN201510556133A CN105223511A CN 105223511 A CN105223511 A CN 105223511A CN 201510556133 A CN201510556133 A CN 201510556133A CN 105223511 A CN105223511 A CN 105223511A
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Abstract
The invention discloses a kind of method of testing for wind storage connecting system, by carrying out electrical secondary system test, energy storage subsystem testing and backstage uniting and adjustment test to wind storage connecting system, whether the energy-storage battery body of verifying wind storage connecting system normally runs, can verifying wind storage connecting system carry out discharge and recharge to battery, can export the basic functions such as idle to electrical network, and the correlation technique index etc. of verifying wind storage connecting system in operational process.The present invention can comprehensively test wind storage connecting system effectively, for the normal work of wind storage connecting system provides technical guarantee.
Description
Technical field
The present invention relates to wind energy turbine set energy storage access application technology, be specifically related to a kind of method of testing for wind storage connecting system.
Background technology
Carry out studying and exploring around Large Scale Wind Farm Integration energy storage access application technical research and integration and demonstration, pass through application technical research, the Integrated Solution of design wind storage system and the construction scheme of demonstration project, improve the Technical Standard System of wind storage system, for domestic construction, planning and the design carrying out large-scale wind electricity storage station provides technical support and the demonstration of commercial operation pattern from now on, for correlation technique application and promote accumulation effective technical experience and utility data, actively promote the healthy and orderly development of New Energy Industry.
Summary of the invention
The object of the present invention is to provide a kind of method of testing for wind storage connecting system, by carrying out electrical secondary system test, energy storage subsystem testing and backstage uniting and adjustment test to wind storage connecting system, whether the energy-storage battery body of verifying wind storage connecting system normally runs, can verifying wind storage connecting system carry out discharge and recharge to battery, can export the basic functions such as idle to electrical network, and the correlation technique index etc. of verifying wind storage connecting system in operational process.The present invention can comprehensively test wind storage connecting system effectively, for the normal work of wind storage connecting system provides technical guarantee.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
For a method of testing for wind storage connecting system, wind storage connecting system comprises: Process Control System, and the energy-storage battery, battery management system, rear station detecting system and the transformer that are connected with described Process Control System respectively; Between described Process Control System and described transformer, be provided with the first isolating switch, between described Process Control System and described energy-storage battery, be provided with the second isolating switch;
This method of testing comprises:
S1, carries out electrical secondary system test to wind storage connecting system;
S2, carries out energy storage subsystem testing to described wind storage connecting system;
S3, carries out backstage uniting and adjustment test to described wind storage connecting system.
As claimed in claim 1 for the method for testing of wind storage connecting system, described step S1 comprises:
S1.1, Process Control System and battery management system carry out communication test;
S1.2, tranformer protection is tested;
S1.3, the cigarette sense relay testing of described Process Control System in container;
S1.4, the cigarette sense of described battery management system in container, talent for swimming relay testing.
Preferably, described step S2 comprises:
S2.1, to the grid-connected charging/discharging function test of described wind storage connecting system;
S2.2, to discharge and recharge test switching time under nominal power of described wind storage connecting system;
S2.3, to the output current total harmonic distortion factor test under nominal power of described wind storage connecting system;
S2.4, to the controlled accuracy test of exerting oneself of described wind storage connecting system active power;
S2.5, to the controlled accuracy test of exerting oneself of described wind storage connecting system reactive power;
S2.6, tests the conversion efficiency of described wind storage connecting system;
S2.7, to the DC side display precision test of described wind storage connecting system;
S2.8, to the AC display precision test of described wind storage connecting system;
Whether S2.9, possess completely to be full of to described wind storage connecting system and put defencive function and test.
Preferably, comprise in described step S2.3:
In described step S2.3, when described wind storage connecting system output current total harmonic distortion factor is under nominal power tested, under guaranteeing the normal situation of input end input voltage of described transformer, closed described first isolating switch, start described Process Control System, often raise 100Kw, the active power value of this Process Control System is set, when performance number reaches ratings, the harmonic current value on record external power registering instrument;
When the harmonic current value that external power registering instrument shows is less than or equal to current harmonics resultant distortion rate threshold value, described wind storage connecting system meets the requirement being connected into electrical network.
Preferably, described step S2.4-S2.10 adopts energy storage subsystem testing device to test, and described energy storage subsystem testing device is arranged in described wind storage connecting system, and this energy storage subsystem testing device comprises:
Oscillograph, described oscillograph voltage probe is arranged on the ac filter electric capacity of described Process Control System;
Ac tong-type ammeter, two probes of described ac tong-type ammeter are all arranged in the same phase line of described first isolating switch;
Power quality analyzer, two probes of described power quality analyzer are separately positioned on two input ends of described second isolating switch.
Preferably, comprise in described step S2.4-S2.9:
In described step S2.4, the active power setting value of described Process Control System is set, reads the performance number after stablizing from described power quality analyzer, often raise 50Kw, described power quality analyzer obtains the performance number measured successively, calculates described controlled precision of exerting oneself; When obtained active power is controlled exert oneself precision <2.5% time, reach testing standard;
In described step S2.5, the reactive power setting value of described Process Control System is set, the performance number after stablizing is read from described power quality analyzer, described Process Control System often raises 50Kw, described power quality analyzer obtains the performance number measured successively, calculates described controlled precision of exerting oneself; When obtained reactive power is controlled exert oneself precision <2.5% time, reach testing standard;
In described step S2.6, described Process Control System often raises 50Kw, described power quality analyzer tests the power of corresponding test point respectively, and reads conversion efficiency value from this power quality analyzer, and wherein maximum conversion efficiency value is the maximal efficiency of this wind storage connecting system;
In described step S2.7, described Process Control System often raises 50Kw, judges that whether the electric current of the described energy-storage battery that this Process Control System shows, voltage is consistent with the numerical value that described oscillograph shows, and calculating current error, voltage error; When current precision error≤2%, voltage accuracy error≤1%, reach testing standard;
In described step S2.8, described Process Control System often raises 50Kw, judges that whether the electric current of the described transformer side that this Process Control System shows, voltage is consistent with the numerical value that described oscillograph shows, and calculating current error, voltage error; When current precision error≤2%, voltage accuracy error≤1%, reach testing standard;
In described step S2.9; described Process Control System controls described energy-storage battery and charges to when being full of protection; this Process Control System is after static 1 hour; this Process Control System controls described energy-storage battery and is discharged to emptying protection; when above-mentioned functions can be realized, judge that described wind storage connecting system has completely to be full of and put defencive function.
Preferably, described step S3 comprises:
S3.1, whether detect described Process Control System and rear station detecting system can normal communication;
S3.2, detects described Process Control System and whether can perform the steering order that described rear station detecting system sends;
S3.3, detects described Process Control System and whether can perform the charge and discharge control instruction that described rear station detecting system sends;
S3.4, whether the sequential control function detecting described wind storage connecting system is normal;
S3.5, whether the energy management functionality detecting described wind storage connecting system is normal;
S3.6, whether the coordinated control function detecting described wind storage connecting system is normal.
Preferably, comprise in described step S3.3-S3.5:
In described step S3.3, described Process Control System often raises 50Kw, the active power telemetry intelligence (TELINT) uploaded by Process Control System described in described rear station detecting system;
In described step S3.4, first the state of current described energy-storage battery is set to the executable state meeting sequential control; Secondly need station detecting system after described in continuous observation when execution sequence controls, and check, the voltage/current waveform of recording unit or circuit, trace back to look into when there is the failure/fault caused due to voltage/current frequency jitter;
In described step S3.5, test total active power of total exchange active power of electrical network, the total active power of wind power system, energy-storage battery.
The present invention compared with prior art has the following advantages:
A kind of method of testing for wind storage connecting system disclosed by the invention, by carrying out electrical secondary system test, energy storage subsystem testing and backstage uniting and adjustment test to wind storage connecting system, whether the energy-storage battery body of verifying wind storage connecting system normally runs, can verifying wind storage connecting system carry out discharge and recharge to battery, can export the basic functions such as idle to electrical network, and the correlation technique index etc. of verifying wind storage connecting system in operational process.The present invention can comprehensively test wind storage connecting system effectively, for the normal work of wind storage connecting system provides technical guarantee, guarantee in actual use, every operating index of wind energy storage connecting system reaches normal level, improves the job security of wind energy storage connecting system simultaneously.
Accompanying drawing explanation
Fig. 1 is the overall flow schematic diagram of a kind of method of testing for wind storage connecting system of the present invention.
Fig. 2 is the wind storage connecting system one-piece construction figure of a kind of method of testing for wind storage connecting system of the present invention.
Fig. 3 is the embodiment schematic diagram of a kind of method of testing for wind storage connecting system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in Figure 2, wind storage connecting system comprises: Process Control System 1, and the energy-storage battery 3, battery management system 2, rear station detecting system 5 and the transformer 4 that are connected with Process Control System 1 respectively; Between Process Control System 1 and transformer 4, be provided with the first isolating switch 10, between Process Control System 1 and energy-storage battery 3, be provided with the second isolating switch 20.
As shown in Figure 1, a kind of method of testing for wind storage connecting system, this method of testing comprises:
S1, carries out electrical secondary system test to wind storage connecting system.This step S1 comprises:
S1.1, Process Control System 1 and battery management system 2 carry out communication test.
The test purpose of step S1.1 is whether testing process control system 1 is normal with the communication of battery management system 2.In the present embodiment, Process Control System 1 and battery management system 2 adopt CAN2.0 communications protocol, and the man-machine interface of Process Control System 1 normally can show the information of battery management system 2, and guarantees that information displaying is accurate.When battery management system 2 breaks down, Process Control System 1 can correctly be protected and alarm battery management system 2.
S1.2, transformer 4 relay testing.
The object of this test checks when transformer 4 breaks down, and whether Process Control System 1 correctly can send fault warning.In the present embodiment, in transformer 4 side analogue transformer overtemperature tripping operation alarm, transformer high temperature alarm information, and in the man-machine interface of Process Control System 1, check whether show fault alarm.The object of this test is, after analogue transformer 4 fault, Process Control System 1 can normally show transformer fault information.
S1.3, the cigarette sense relay testing of Process Control System 1 in container.
The object of this test detects when the sense of internal container generation cigarette is reported to the police, and whether Process Control System 1 correctly can send fault warning.In the present embodiment, simulation cigarette sense fault, thus whether testing process control system 1 normally can show cigarette sense warning information.
S1.4, the cigarette sense of battery management system 2 in container, talent for swimming relay testing.
The object of this test is that when there is cigarette sense, talent for swimming warning in container, can battery management system 2 correctly send fault warning.In the present embodiment, in container, simulate cigarette sense, talent for swimming failure message, check in the man-machine interface of battery management system 2 and whether show fault alarm information.
S2, carries out energy storage subsystem testing to wind storage connecting system.This step S2 comprises:
S2.1, to the grid-connected charging/discharging function test of wind storage connecting system.
The object of this test detects the grid-connected charging/discharging function of energy-storage battery 3.
S2.2, to discharge and recharge test switching time under nominal power of wind storage connecting system.
The object of this test to detect under energy-storage battery 3 rated power discharge and recharge switching time.Require that the switching time of discharge and recharge needs to be less than 200ms.
S2.3, to the output current total harmonic distortion factor test under nominal power of wind storage connecting system.Comprise in step S2.3: when wind storage connecting system output current total harmonic distortion factor is under nominal power tested, under guaranteeing the normal situation of input end input voltage of transformer 4, closed first isolating switch 10, start-up course control system 1, often raise 100Kw, the active power value of this Process Control System 1 is set, when performance number reaches ratings, the harmonic current value on record external power registering instrument.
When the harmonic current value that external power registering instrument shows is less than or equal to current harmonics resultant distortion rate threshold value, wind storage connecting system meets the requirement being connected into electrical network.
S2.4, to the controlled accuracy test of exerting oneself of wind storage connecting system active power.
In step S2.4, the active power setting value of setting up procedure control system 1, read the performance number after stablizing from power quality analyzer, often raise 50Kw, power quality analyzer obtains the performance number measured successively, the controlled precision of exerting oneself calculated; When obtained active power is controlled exert oneself precision <2.5% time, reach testing standard.
S2.5, to the controlled accuracy test of exerting oneself of wind storage connecting system reactive power.
In step S2.5, the reactive power setting value of setting up procedure control system 1, read the performance number after stablizing from power quality analyzer, Process Control System 1 often raises 50Kw, power quality analyzer obtains the performance number measured successively, the controlled precision of exerting oneself calculated; When obtained reactive power is controlled exert oneself precision <2.5% time, reach testing standard.
S2.6, tests the conversion efficiency of wind storage connecting system.
In step S2.6, Process Control System 1 often raises 50Kw, power quality analyzer tests the power of corresponding test point respectively, and reads conversion efficiency value from this power quality analyzer, and wherein maximum conversion efficiency value is the maximal efficiency of this wind storage connecting system.
S2.7, to the DC side display precision test of wind storage connecting system.
In step S2.7, Process Control System 1 often raises 50Kw, judges that whether the electric current of the energy-storage battery 3 of display in this Process Control System 1, voltage is consistent with the numerical value that oscillograph shows, and calculating current error, voltage error; When current precision error≤2%, voltage accuracy error≤1%, reach testing standard.
S2.8, to the AC display precision test of wind storage connecting system.
In step S2.8, Process Control System 1 often raises 50Kw, judges that whether the electric current of transformer 4 side of display in this Process Control System 1, voltage is consistent with the numerical value that oscillograph shows, and calculating current error, voltage error; When current precision error≤2%, voltage accuracy error≤1%, reach testing standard.
Whether S2.9, possess completely to be full of to wind storage connecting system and put defencive function and test.
In step S2.9; Process Control System 1 controls energy-storage battery 3 and charges to when being full of protection; this Process Control System 1 is after static 1 hour; this Process Control System 1 controls energy-storage battery 3 and is discharged to emptying protection; when above-mentioned functions can be realized, judge that wind storage connecting system has completely to be full of and put defencive function.
As shown in Figure 3, step S2.4-S2.9 adopts energy storage subsystem testing device to test, and energy storage subsystem testing device is arranged in wind storage connecting system, and this energy storage subsystem testing device comprises: oscillograph 30, ac tong-type ammeter 40 and power quality analyzer 50.
The voltage probe of oscillograph 30 is arranged on the ac filter electric capacity of Process Control System 1; Two probes of ac tong-type ammeter 40 are all arranged in the same phase line of the first isolating switch 10; Two probes of power quality analyzer 50 are separately positioned on two input ends of the second isolating switch 20.
S3, carries out backstage uniting and adjustment test to wind storage connecting system.
This step S3 comprises:
S3.1, whether testing process control system 1 and rear station detecting system 5 can normal communications.
In the present embodiment, adopt netting twine multiple Process Control System 1 to be connected with rear station detecting system 5 respectively, configuration of IP address according to a preconcerted arrangement, check communication packet respectively by rear station detecting system 5 with the man-machine interface of Process Control System 1.
S3.2, whether testing process control system 1 can perform the steering order that rear station detecting system 5 sends.
In the present embodiment, check the remote control panel of Process Control System 1 in rear station detecting system 5, input active power set-point, reactive power set-point successively, and confirm to perform; Finally check the actual operating state of each Process Control System 1.
S3.3, whether testing process control system 1 can perform the charge and discharge control instruction that rear station detecting system 5 sends.In step S3.3, Process Control System 1 often raises 50Kw, the active power telemetry intelligence (TELINT) uploaded by rear station detecting system 5 Process Control System 1.
S3.4, whether the sequential control function detecting wind storage connecting system is normal.In step S3.4, first the state of current energy-storage battery 3 is set to the executable state meeting sequential control; Secondly need station detecting system 5 after continuous observation when execution sequence controls, and check, the voltage/current waveform of recording unit or circuit, trace back to look into when there is the failure/fault caused due to voltage/current frequency jitter.
The execution of this test request wind storage connecting system support sequential control, time-out, single step, termination, various function such as time-out/failure, retry etc.
S3.5, whether the energy management functionality detecting wind storage connecting system is normal.In step S3.5, test total active power of total exchange active power of electrical network, the total active power of wind power system, energy-storage battery 3.
S3.6, whether the coordinated control function detecting wind storage connecting system is normal.
The test result that this test request reaches is: can arrange and issue the total meritorious output power that wind stores up connecting system, and issuing in proportion according to the SOC (StateofCharge, SOC) of each energy storage device.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (8)
1., for a method of testing for wind storage connecting system, wind storage connecting system comprises: Process Control System, and the energy-storage battery, battery management system, rear station detecting system and the transformer that are connected with described Process Control System respectively; Between described Process Control System and described transformer, be provided with the first isolating switch, between described Process Control System and described energy-storage battery, be provided with the second isolating switch;
It is characterized in that, this method of testing comprises:
S1, carries out electrical secondary system test to wind storage connecting system;
S2, carries out energy storage subsystem testing to described wind storage connecting system;
S3, carries out backstage uniting and adjustment test to described wind storage connecting system.
2., as claimed in claim 1 for the method for testing of wind storage connecting system, it is characterized in that, described step S1 comprises:
S1.1, Process Control System and battery management system carry out communication test;
S1.2, tranformer protection is tested;
S1.3, the cigarette sense relay testing of described Process Control System in container;
S1.4, the cigarette sense of described battery management system in container, talent for swimming relay testing.
3., as claimed in claim 1 for the method for testing of wind storage connecting system, it is characterized in that, described step S2 comprises:
S2.1, to the grid-connected charging/discharging function test of described wind storage connecting system;
S2.2, to discharge and recharge test switching time under nominal power of described wind storage connecting system;
S2.3, to the output current total harmonic distortion factor test under nominal power of described wind storage connecting system;
S2.4, to the controlled accuracy test of exerting oneself of described wind storage connecting system active power;
S2.5, to the controlled accuracy test of exerting oneself of described wind storage connecting system reactive power;
S2.6, tests the conversion efficiency of described wind storage connecting system;
S2.7, to the DC side display precision test of described wind storage connecting system;
S2.8, to the AC display precision test of described wind storage connecting system;
Whether S2.9, possess completely to be full of to described wind storage connecting system and put defencive function and test.
4., as claimed in claim 3 for the method for testing of wind storage connecting system, it is characterized in that, comprise in described step S2.3:
In described step S2.3, when described wind storage connecting system output current total harmonic distortion factor is under nominal power tested, under guaranteeing the normal situation of input end input voltage of described transformer, closed described first isolating switch, start described Process Control System, often raise 100Kw, the active power value of this Process Control System is set, when performance number reaches ratings, the harmonic current value on record external power registering instrument;
When the harmonic current value that external power registering instrument shows is less than or equal to current harmonics resultant distortion rate threshold value, described wind storage connecting system meets the requirement being connected into electrical network.
5. as claimed in claim 3 for the method for testing of wind storage connecting system, it is characterized in that, described step S2.4-S2.10 adopts energy storage subsystem testing device to test, and described energy storage subsystem testing device is arranged in described wind storage connecting system, and this energy storage subsystem testing device comprises:
Oscillograph, described oscillograph voltage probe is arranged on the ac filter electric capacity of described Process Control System;
Ac tong-type ammeter, two probes of described ac tong-type ammeter are all arranged in the same phase line of described first isolating switch;
Power quality analyzer, two probes of described power quality analyzer are separately positioned on two input ends of described second isolating switch.
6., as claimed in claim 5 for the method for testing of wind storage connecting system, it is characterized in that, comprise in described step S2.4-S2.9:
In described step S2.4, the active power setting value of described Process Control System is set, reads the performance number after stablizing from described power quality analyzer, often raise 50Kw, described power quality analyzer obtains the performance number measured successively, calculates described controlled precision of exerting oneself; When obtained active power is controlled exert oneself precision < 2.5% time, reach testing standard;
In described step S2.5, the reactive power setting value of described Process Control System is set, the performance number after stablizing is read from described power quality analyzer, described Process Control System often raises 50Kw, described power quality analyzer obtains the performance number measured successively, calculates described controlled precision of exerting oneself; When obtained reactive power is controlled exert oneself precision < 2.5% time, reach testing standard;
In described step S2.6, described Process Control System often raises 50Kw, described power quality analyzer tests the power of corresponding test point respectively, and reads conversion efficiency value from this power quality analyzer, and wherein maximum conversion efficiency value is the maximal efficiency of this wind storage connecting system;
In described step S2.7, described Process Control System often raises 50Kw, judges that whether the electric current of the described energy-storage battery that this Process Control System shows, voltage is consistent with the numerical value that described oscillograph shows, and calculating current error, voltage error; When current precision error≤2%, voltage accuracy error≤1%, reach testing standard;
In described step S2.8, described Process Control System often raises 50Kw, judges that whether the electric current of the described transformer side that this Process Control System shows, voltage is consistent with the numerical value that described oscillograph shows, and calculating current error, voltage error; When current precision error≤2%, voltage accuracy error≤1%, reach testing standard;
In described step S2.9; described Process Control System controls described energy-storage battery and charges to when being full of protection; this Process Control System is after static 1 hour; this Process Control System controls described energy-storage battery and is discharged to emptying protection; when above-mentioned functions can be realized, judge that described wind storage connecting system has completely to be full of and put defencive function.
7., as claimed in claim 1 for the method for testing of wind storage connecting system, it is characterized in that, described step S3 comprises:
S3.1, whether detect described Process Control System and rear station detecting system can normal communication;
S3.2, detects described Process Control System and whether can perform the steering order that described rear station detecting system sends;
S3.3, detects described Process Control System and whether can perform the charge and discharge control instruction that described rear station detecting system sends;
S3.4, whether the sequential control function detecting described wind storage connecting system is normal;
S3.5, whether the energy management functionality detecting described wind storage connecting system is normal;
S3.6, whether the coordinated control function detecting described wind storage connecting system is normal.
8., as claimed in claim 1 for the method for testing of wind storage connecting system, it is characterized in that, comprise in described step S3.3-S3.5:
In described step S3.3, described Process Control System often raises 50Kw, the active power telemetry intelligence (TELINT) uploaded by Process Control System described in described rear station detecting system;
In described step S3.4, first the state of current described energy-storage battery is set to the executable state meeting sequential control; Secondly need station detecting system after described in continuous observation when execution sequence controls, and check, the voltage/current waveform of recording unit or circuit, trace back to look into when there is the failure/fault caused due to voltage/current frequency jitter;
In described step S3.5, test total active power of total exchange active power of electrical network, the total active power of wind power system, energy-storage battery.
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| CN105223511B (en) | 2018-05-18 |
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