CN107015084A - A kind of distribution reactive power compensator analogue test platform - Google Patents
A kind of distribution reactive power compensator analogue test platform Download PDFInfo
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- CN107015084A CN107015084A CN201710333652.0A CN201710333652A CN107015084A CN 107015084 A CN107015084 A CN 107015084A CN 201710333652 A CN201710333652 A CN 201710333652A CN 107015084 A CN107015084 A CN 107015084A
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- 238000009826 distribution Methods 0.000 title claims abstract description 66
- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 238000002474 experimental method Methods 0.000 claims abstract description 38
- 238000004458 analytical method Methods 0.000 claims abstract description 7
- 230000035939 shock Effects 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 230000010363 phase shift Effects 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 description 9
- 238000004891 communication Methods 0.000 description 9
- 230000007547 defect Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
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- 238000001914 filtration Methods 0.000 description 2
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Classifications
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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
- G01R31/003—Environmental or reliability tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/26—Measuring noise figure; Measuring signal-to-noise ratio
Abstract
The present invention relates to a kind of distribution reactive power compensator analogue test platform, operational shock and the test of noise under harmonic environment are carried out to distribution net equipment, including high-voltage large-capacity Harmonic Current system, experiment reactive power compensator and experiment work and analytical equipment, wherein, the high-voltage large-capacity Harmonic Current system, it is connected with distribution net equipment to be tested, for producing harmonic wave；The experiment reactive power compensator, connects high-voltage large-capacity Harmonic Current system and distribution net equipment to be tested, forms supporting with distribution net equipment to be tested respectively, for realizing the power back-off in test；The experiment work and analytical equipment, the operation for controlling high-voltage large-capacity Harmonic Current system gather the test data of distribution net equipment to be tested, and according to Test data generation analysis report.Compared with prior art, the present invention can carry out the operational shock and noise testing under harmonic environment to distribution net equipment, have the advantages that operational reliability is high, safe.
Description
Technical field
The present invention relates to distribution reactive power compensation technology field, more particularly, to a kind of distribution reactive power compensator simulated test
Platform.
Background technology
For existing urban distribution network, extra-high voltage alternating current-direct current mixing bulk power grid builds transition period " tetanic weak friendship " electricity
Network operation characteristic and send receiving end power network to influence each other, huge choose is brought to distribution net equipment or even whole power network safety operation
War.
Shanghai Power Network there occurs a lot of 10kV reactive-load compensation equipments abnormal sound defects, such as money country fair station capacitor panel once in recent years
Find that noise is abnormal in power transmission, vibration is quite serious, and detection noise reaches 85 decibels, more than the operation sound of 35 kilovolts of main transformers
Sound, operation normal to transformer station is impacted.Assert that such defect is abnormal with vibration equipment caused by mains by harmonics through analysis
It is relevant.Although technical protocol to this kind equipment define vibration and noise level, due to harmonic wave have unintentional nonlinearity,
The features such as randomness, distributivity, non-stationary and influence factor complexity, either delivery test or scene handing-over examination
Test, vibration and noise that can only be to equipment under fundamental wave environment be examined, cause the abnormal sound defect under harmonic wave to be difficult to timely hair
It is existing.
Current power equipment noise and vibration detection mainly for voltage levels master network equipment, to the pass of distribution net equipment
Note is less, and the related hardware facility for carrying out that runnability is tested under distribution net equipment harmonic wave is there is no at present, current experiment is limited to
Condition, it is impossible to vibrated under each rahmonic to equipment and noise examination；Furthermore distribution reactive-load compensation equipment model is various, mesh
Before there is no the stronger detection scheme of versatility.Being found in distribution net equipment abnormal sound defect after putting equipment in service, at present to occurring abnormal sound more
Distribution reactive-load compensation equipment generally use integral replacing treatment measures, its purchase, install, debugging cycle it is longer, it is often right
Capital construction progress, the production schedule are adversely affected, and economy is poor.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of distribution reactive-load compensation
Unit simulation test platform.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of distribution reactive power compensator analogue test platform, carries out operational shock and making an uproar under harmonic environment to distribution net equipment
The test of sound, including high-voltage large-capacity Harmonic Current system, experiment reactive power compensator and experiment work and analytical equipment, its
In,
The high-voltage large-capacity Harmonic Current system, is connected with distribution net equipment to be tested, for producing harmonic wave；
The experiment reactive power compensator, connects high-voltage large-capacity Harmonic Current system and distribution net equipment to be tested respectively,
Form supporting with distribution net equipment to be tested, for realizing the power back-off in test；
The experiment work and analytical equipment, connect high-voltage large-capacity Harmonic Current system and distribution net equipment to be tested respectively,
Operation for controlling high-voltage large-capacity Harmonic Current system, gathers the test data of distribution net equipment to be tested, and according to described
Test data generation analysis report.
The high-voltage large-capacity Harmonic Current system includes phase-shifting transformer cabinet, power unit cabinet and input switch cabinet, institute
The input for stating phase-shifting transformer cabinet is connected by input switch cabinet with net side distribution system, the output end of phase-shifting transformer cabinet with
Power unit cabinet is connected, and the power unit cabinet is connected with distribution net equipment to be tested.
The phase-shifting transformer cabinet includes phase-shifting transformer and the transformer temperature being connected with phase-shifting transformer monitoring
Controller, the transformer temperature monitor controller is connected with experiment work and analytical equipment.
The power unit cabinet includes the power cell that multiple structures and electric parameter are identical and connect, each power cell
The output end formed after output voltage overlapped in series after high voltage and harmonic wave, each power unit cascade is also associated with defeated
Go out wave filter.
The input switch cabinet includes disconnecting switch and the breaker being connected, the disconnecting switch and net side distribution system
Connection, the breaker connects phase-shifting transformer cabinet and experiment work and analytical equipment respectively.
The high-voltage large-capacity Harmonic Current system also include buffer tank, the buffer tank connect respectively phase-shifting transformer cabinet and
Power unit cabinet, the charging of exciting current and power unit cabinet DC capacitor for reducing phase-shifting transformer cabinet energization moment
Electric current.
Experiment reactive power compensator includes compensation capacitor group, without partial discharge adjustable serial reactor group and/or
Without partial discharge adjustable compensation reactor group.
The experiment work and analytical equipment include portable Detecting Power Harmonicies device, operating console, Work in Place station and after
Platform work station, the portable Detecting Power Harmonicies device connects distribution net equipment to be tested and operating console, the operational control respectively
Platform is connected by RS422 connections with Work in Place station, and the Work in Place station passes through ICP/IP protocol and background work station phase
Even.
The operating console includes DSP+FPGA digital signal processing modules.
The platform also includes safety device.
Compared with prior art, the present invention has advantages below：
(1) analogue test platform of the present invention can carry out the operational shock and noise testing under harmonic environment to distribution net equipment,
Its operation characteristic under harmonic environment can be tested, to make qualitative and qualitative assessment, so as to realize harmonic characterisitic to electric power
Equipment influence and its experimental test and the research of tolerance, realization do sth. in advance to grasp harmonic wave to distribution net equipment influence in the type selecting stage,
Effectively prevent and treat the generation of the equipment abnormal sound defect caused because type selecting is improper, it is to avoid the unnecessary expenditure such as later stage replacing, installation, and
Have a power failure the load loss brought and social influence.
(2) present invention produces harmonic wave using high-voltage large-capacity Harmonic Current system, high with security performance height, efficiency index
The characteristics of.
(3) there is high-voltage large-capacity Harmonic Current system of the present invention dry-type high-voltage to isolate phase-shifting transformer, and three-phase output is high
Voltage variable-frequency power supply uses 54 impulse commutations, can greatly improve voltage on line side waveform, effectively suppress harmonic wave, significantly improve power supply system
The operational reliability of system, improves the quality of net side power supply；Being provided with transformer temperature monitor controller simultaneously can be in transformer
During failure, operating console is given feedback of the information in time, so as to ensure the reliability service of transformer.
(4) high-voltage large-capacity Harmonic Current system of the present invention has input switch cabinet, it is possible to achieve the power distribution system of input side
System with the electrical communication between the phase-shifting transformer in transformer case, shut-off with isolating, raising operational reliability and security.
(5) present invention is provided with experiment reactive power compensator, and can conveniently carry out power back-off reduces whole pilot system
Power, and with compensation capacitor group, without partial discharge adjustable serial reactor group and/or without partial discharge adjustable compensation reactor
The plurality of optional equipment such as group.
(6) present invention can conveniently realize the real-time monitoring of a variety of operational factors using portable Detecting Power Harmonicies device, improve examination
Test reliability.
(7) present invention is provided with safety device, safe.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of high-voltage large-capacity Harmonic Current system of the present invention；
Fig. 3 is the connection diagram of work station of the present invention and console.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
As shown in figure 1, the present embodiment provides a kind of distribution reactive power compensator analogue test platform, distribution net equipment is carried out
Operational shock and the test of noise under harmonic environment, including high-voltage large-capacity Harmonic Current system 1, experiment reactive power compensator
2 and experiment work and analytical equipment 3, wherein, high-voltage large-capacity Harmonic Current system 1 is connected with distribution net equipment 4 to be tested, is used for
Produce harmonic wave；Experiment connects high-voltage large-capacity Harmonic Current system 1 and distribution net equipment to be tested 4 respectively with reactive power compensator 2,
Form supporting with distribution net equipment 4 to be tested, for realizing the power back-off in test；Experiment work and analytical equipment 3 connect respectively
High-voltage large-capacity Harmonic Current system 1 and distribution net equipment to be tested 4 are connect, for controlling high-voltage large-capacity Harmonic Current system 1
Operation, gathers the test data of distribution net equipment 4 to be tested, and according to Test data generation analysis report.
First, high-voltage large-capacity Harmonic Current system
High-voltage large-capacity Harmonic Current system 1 includes phase-shifting transformer cabinet, power unit cabinet and input switch cabinet, and phase shift becomes
The input of depressor cabinet is connected by input switch cabinet with net side distribution system, the output end and power cell of phase-shifting transformer cabinet
Cabinet is connected, and power unit cabinet is connected with distribution net equipment to be tested, as shown in Figure 2.
(1) phase-shifting transformer cabinet
Phase-shifting transformer cabinet includes phase-shifting transformer and the transformer temperature monitor controller being connected with phase-shifting transformer, becomes
Depressor temperature monitor and control device is connected with experiment work and analytical equipment.
In the present embodiment, phase-shifting transformer is that dry-type high-voltage isolates phase-shifting transformer, and three-phase output high-voltage variable frequency power source is adopted
54 impulse commutations are used, voltage on line side waveform can be greatly improved, effectively suppress harmonic wave, the reliable of power-supply system is significantly improved
Property.Transformer temperature monitor controller gives switch board, so as to ensure transformation feedback of the information in time in transformer fault simultaneously
The reliability service of device.
Phase-shifting transformer TM three-phases 380V is inputted, and exports 18 three-phase windings (voltage 690V), and each two is one group, totally 9
Group.Voltage phase difference is that two three-phase windings structures are identical in 6.67 °, same group between adjacent sets, and output voltage phase is consistent.Cause
There is certain phase difference, so each power cell independence rectification (i.e. phase-shifting commutation), it is possible to eliminate power network then between each group
(input), because of the harmonic current that rectifying device works and produced in unit, the total harmonic distortion (THD) of input current is extremely low, remote small
In national standard allow requirement, and can keep be approximately 1 input power factor, greatly improve the matter of net side power supply
Amount, to power network almost no-harmonic wave pollution, the work of the other power loads of same network segment is not influenceed.
(2) power unit cabinet
Power unit cabinet includes the power cell that multiple structures and electric parameter are identical and connect, the output of each power cell
The output end formed after Voltage Series superposition after high voltage and harmonic wave, each power unit cascade is also associated with output filter
Ripple device, can make output waveform become more smooth, filter out higher harmonic components.
Power unit cabinet is the core of system power circuit, and each power cell is three-phase input, single-phase output
Low-voltage variable frequency power supply, mainly complete rectification, filtering, shifting inversion, the function such as Communication Control.
Power cell is main by rectification circuit, inverter circuit, control circuit, drive circuit, failure detector circuit, communication electricity
Road, indicating circuit etc. are constituted.The three-phase alternating-current supply rectification that transformer secondary winding is provided is by the rectification circuit of power cell
The dc source of pulsation, after the electrochemical capacitor filtering through excess capacity, can obtain relatively stable dc source (dc bus
Voltage).SPWM controls are carried out by the bridge type inverse electric current that is constituted to IGBT, the single-phase of equivalent sine and harmonic superposition is can obtain
Exchange output.The radiating of IGBT constant power devices uses advanced efficient heat pipe heat radiation technology, significantly increases the work of power device
Make security reliability.In addition, each power cell can show itself working condition and fault message etc..When power cell hair
Signal will be sent to experiment work and analytical equipment after raw failure, experiment work and analytical equipment will be handled timely.
Power cell uses modularized design, and structurally and electrically performance is completely the same, possesses versatility, is used interchangeably.
(3) input switch cabinet
Input switch cabinet includes disconnecting switch and the breaker being connected, and disconnecting switch is connected with net side distribution system, is broken
Road device connects phase-shifting transformer cabinet and experiment work and analytical equipment respectively, realizes in the distribution system and transformer case of input side
Phase-shifting transformer between electrical communication, turn off with isolating.
(4) buffer tank
High-voltage large-capacity Harmonic Current system can also include buffer tank, the buffer tank connect respectively phase-shifting transformer cabinet and
Power unit cabinet, the charging of exciting current and power unit cabinet DC capacitor for reducing phase-shifting transformer cabinet energization moment
Electric current, it is to avoid cause level power supply fast tripping protection device action, reduces the rush of current to input side power distribution network.Startup is finished
Afterwards, buffer tank will start resistance by vacuum contactor and bypass.
2nd, experiment reactive power compensator
To ensure the experiment of reactive apparatus, needing configuration compensation device to carry out power back-off in experiment reduces whole pilot system
Power, it is considered to the difference of test item, experiment reactive power compensator 2 may include compensation capacitor group, without the adjustable string of partial discharge
Join reactor group and/or without partial discharge adjustable compensation reactor group.
When compensation capacitor group is mainly used in test item for current-limiting reactor, and subject is gone here and there to resist and collectively constitutes loop, is simulated
Anti- actual operating mode is gone here and there, to going here and there the anti-vibration carried out under harmonic wave and noise is examined.
The string for being mainly used in simulation test different capabilities and reactance Rate without partial discharge adjustable serial reactor group resists, all kinds of
Vibration and noise characteristic under harmonic wave, timely discovering device abnormal sound defect can be before equipment networks or even at the beginning of design selection just
Consider influence of the mains by harmonics to 10kV equipment, harmonic effects are grasped ahead of time, the generation of equipment abnormal sound defect is effectively prevented and treated.
In view of the input power capacity of whole pilot system, when test product capacitive load is larger, system input power without
Method provides excessive reactive power, need to configure adjustable compensating reactor and capacity current is compensated, lifting test system
Power factor, reduces exerting oneself for experiment power supply system.
3rd, experiment work and analytical equipment
Experiment work and analytical equipment 3 include portable Detecting Power Harmonicies device, operating console, Work in Place station and backstage work
Stand, as shown in figure 3, portable Detecting Power Harmonicies device connects distribution net equipment to be tested and operating console, operating console respectively
It is connected by RS422 connections with Work in Place station, Work in Place station is connected by ICP/IP protocol with background work station.
(1) portable Detecting Power Harmonicies device
Portable Detecting Power Harmonicies device can comprehensively monitor mains frequency, three-phase fundamental voltage, current effective value, fundamental active
Power, reactive power, power factor, phase, voltage deviation, frequency departure, non-equilibrium among three phase voltages, three-phase current unbalance
Degree, negative sequence voltage, electric current；Deng indices；Monitor harmonic wave (3~50 times)：Including the voltage, total harmonic distortion factor of electric current, each
Subharmonic containing ratio, amplitude, phase etc..Fundamental voltage error：± 0.2%, voltage deviation error：± 0.2%, fundamental current is missed
Difference：± 0.5%, frequency departure error：± 0.01Hz, tri-phase unbalance factor：Voltage unbalance factor absolute error 0.2%, electric current
Degree of unbalancedness absolute error 1%, each order components 0.5% of voltage, electric current, voltage pulsation measurement error：± 5%, flicker measurement is missed
Difference：± 5%, the harmonic wave degree of accuracy reaches A grades.
Portable Detecting Power Harmonicies device uses DSP+ARM9 for core, and there is DSP extremely strong data-handling capacity to be used for completing
The collection and calculating of data, hardcore are in advanced international level.ARM9 is used for carrying out the statistics of data, shows, stores, pressing
Key, communication and alarm trip avoidance function.Using embedded real-time operating system as software platform, whole softwares should use senior language
Speech programming, it is ensured that the high reliability of system and high transplantability.
Portable Detecting Power Harmonicies device should be able to show the data of Detecting Power Harmonicies index in real time.Long-time stored record work(can be achieved
Can, SD card built in device can in real time be preserved to fundamental surveillance index and senior monitoring index.Holding time considered according to 1 year.
Portable Detecting Power Harmonicies device should be able to provide various communication interfaces mode, realize the real-time Transmission or fixed of Monitoring Data
When extract stored record, can by EPA interface and console communication, also can by RS232C/RS485 interfaces, with
GPRS modes (customization) are communicated with a distant place.
Portable Detecting Power Harmonicies device should meet A grades of instrument requirements of national standard.Part of data acquisition should use no less than 8 passages,
16 high-speed a/d converters of synchronized sampling, acquisition precision is high, the requirement that measured precision is up to state standards.
(2) operating console and work station
Operating console includes DSP+FPGA digital signal processing modules, dramatically improves the control accuracy and sound of device
Answer speed.Operating console can user Local or Remote operation and setting, voltage in acquisition system, current-mode analog quantity and
Each switching value, carries out logical operation and processing, controls the action of power cell, realizes the control institute of voltage regulation and frequency modulation exporting country specified
There are division operation and the contact feedback of breaker；The signals such as monitoring control power supply, cabinet door closure, transformer temperature alarm；Control
Shield the light on and off of cabinet indicator lamp, detect the state of scram button.
Work station is divided into Work in Place station and background work station two parts.Work in Place station undertake signal recording function and with
422 communications of controller, are connected with operating console by RS422, are connected by ICP/IP protocol with background work station, on the spot
16 road high-speed data acquisition cards of work station interpolation pci bus；Insert 485/422 serial port board.Background work station by TCP/IP with
Work in Place station is connected, and undertakes man-machine interface, recording signal operation and display, failure logging, background communication, startup, shutdown etc.
Control function.
(3) safety device
The platform may also include safety device.Safety device realizes various equipment, test item in pilot system
And the function of safety protection of testing crew, device protects noise reduction module by PLC system, electronic security(ELSEC) fence, test product and other are comprehensive
Protection module is closed to constitute.Device accesses the feedback signal of monitoring modular, harmonic wave module and test product and personnel protection facility simultaneously in real time
Analysis and distinguishing is carried out, overall function of safety protection is reached.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of distribution reactive power compensator analogue test platform, operational shock and noise under harmonic environment are carried out to distribution net equipment
Test, it is characterised in that including high-voltage large-capacity Harmonic Current system, experiment reactive power compensator and experiment work and point
Analysis apparatus, wherein,
The high-voltage large-capacity Harmonic Current system, is connected with distribution net equipment to be tested, for producing harmonic wave；
The experiment reactive power compensator, connects high-voltage large-capacity Harmonic Current system and distribution net equipment to be tested, with treating respectively
Test distribution net equipment forms supporting, for realizing the power back-off in test；
The experiment work and analytical equipment, connect high-voltage large-capacity Harmonic Current system and distribution net equipment to be tested, are used for respectively
The operation of high-voltage large-capacity Harmonic Current system is controlled, the test data of distribution net equipment to be tested is gathered, and according to the test
Data generate analysis report.
2. distribution reactive power compensator analogue test platform according to claim 1, it is characterised in that the high pressure great Rong
Measuring Harmonic Current system includes phase-shifting transformer cabinet, power unit cabinet and input switch cabinet, the input of the phase-shifting transformer cabinet
End is connected by input switch cabinet with net side distribution system, and the output end of phase-shifting transformer cabinet is connected with power unit cabinet, described
Power unit cabinet is connected with distribution net equipment to be tested.
3. distribution reactive power compensator analogue test platform according to claim 2, it is characterised in that the phase shift transformation
Device cabinet includes phase-shifting transformer and the transformer temperature monitor controller being connected with the phase-shifting transformer, the transformer temperature
Monitor controller is connected with experiment work and analytical equipment.
4. distribution reactive power compensator analogue test platform according to claim 2, it is characterised in that the power cell
Cabinet includes shape after the power cell that multiple structures and electric parameter are identical and connect, the output voltage overlapped in series of each power cell
Into high voltage and harmonic wave, the output end after each power unit cascade is also associated with output filter.
5. distribution reactive power compensator analogue test platform according to claim 2, it is characterised in that the input switch
Cabinet includes disconnecting switch and the breaker being connected, and the disconnecting switch is connected with net side distribution system, the breaker difference
Connect phase-shifting transformer cabinet and experiment work and analytical equipment.
6. distribution reactive power compensator analogue test platform according to claim 2, it is characterised in that the high pressure great Rong
Measuring Harmonic Current system also includes buffer tank, and the buffer tank connects phase-shifting transformer cabinet and power unit cabinet respectively, for reducing
The exciting current of phase-shifting transformer cabinet energization moment and the charging current of power unit cabinet DC capacitor.
7. distribution reactive power compensator analogue test platform according to claim 1, it is characterised in that the experiment nothing
Reactive power compensation installations include compensation capacitor group, without partial discharge adjustable serial reactor group and/or without partial discharge adjustable compensating reactance
Device group.
8. distribution reactive power compensator analogue test platform according to claim 1, it is characterised in that the experiment work
And analytical equipment includes portable Detecting Power Harmonicies device, operating console, Work in Place station and background work station, the movable type is humorous
Ripple monitor connects distribution net equipment to be tested and operating console respectively, and the operating console is by RS422 connections and just
Ground work station connection, the Work in Place station is connected by ICP/IP protocol with background work station.
9. distribution reactive power compensator analogue test platform according to claim 8, it is characterised in that the operational control
Platform includes DSP+FPGA digital signal processing modules.
10. distribution reactive power compensator analogue test platform according to claim 1, it is characterised in that the platform is also wrapped
Include safety device.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677943A (en) * | 2017-10-25 | 2018-02-09 | 广西电网有限责任公司电力科学研究院 | A kind of High Voltage XLPE Power Cable and its annex fundamental wave superposition multiple-harmonic experimental rig |
| CN115343566A (en) * | 2022-10-20 | 2022-11-15 | 东方博沃（北京）科技有限公司 | Test method and system for power quality control equipment |
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