CN109100590A - A kind of experiment power supply and tandem type static synchronous compensator converter valve test macro - Google Patents
A kind of experiment power supply and tandem type static synchronous compensator converter valve test macro Download PDFInfo
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- CN109100590A CN109100590A CN201810810694.3A CN201810810694A CN109100590A CN 109100590 A CN109100590 A CN 109100590A CN 201810810694 A CN201810810694 A CN 201810810694A CN 109100590 A CN109100590 A CN 109100590A
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- converter valve
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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
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Abstract
The invention discloses a kind of experiment power supplies, tandem type static synchronous compensator converter valve test macro.Test macro of the invention includes output voltage and the adjustable experiment power supply of frequency, tested converter valve, control device and man-machine interactive system.Wherein experiment power supply connects multiple phase-shifting transformer primary by AC power source, and each secondary of transformer connects rectification module and is output to DC bus, cascades using inverter module and successively and exports finally by connection reactance.Control device is adjusted synchronously experiment power supply and tested converter valve by optical-fibre communications.The converter valve test macro has the characteristics that integration, universality, voltage and frequency are adjustable, high degree of automation, are suitable for system test.Present invention simultaneously discloses a kind of test methods of tandem type static synchronous compensator converter valve test macro.
Description
Technical field
The invention belongs to high-power electric and electronic technical fields, and in particular to a kind of experiment power supply and tandem type Static Synchronous
Compensator converter valve test macro.
Background technique
Static synchronous compensator is the voltage-source type converter based on all-controlled semiconductor switching device, is by high-power electricity
The forefront technology route and future thrust that power application of electronic technology improves in power quality.Cascade Topology Structure is static same
The most efficient solution and trend that step compensator develops to voltage levels, large capacity direction.
Static synchronous compensator has been widely used for the transmission of electricity of each voltage class, distrbution network, all kinds of industrial and mining enterprises, wind
Electricity, photovoltaic plant, the several scenes such as direct-current transmission converter station.In order to ensure static synchronous compensator validity in the application,
Stability, reliability, safety need to carry out its converter valve complete delivery test and system test, to verify it each
Runnability under kind operating condition.
Existing means of testing, which is all based on, is linked into two sets of tested converter valves in factory on the AC network of productive power,
It carries out to pushing away operation test.This test does not have systematicness, and test needs to carry out individually test arrangement every time, tests process
It is complicated and cumbersome.Existing means of testing can only be produced in fixed factory and is directed to less under voltage class and frequency on AC network
Several model converter valves of number are tested, and changing for the different frequency for multiple voltage grade and for overseas demand cannot be provided
Flow valve experimental condition.Existing means of testing cannot achieve high pressure and pass through and the system tests such as low-voltage crossing.
Converter valve test macro of the invention is precisely in order to solving problem above and proposing.
Summary of the invention
In order to solve in existing change of current valve test, circuit establishment is cumbersome, step is complicated, measurand is limited to exchange in factory
Power supply cannot achieve the problem of system test, and the invention proposes a kind of experiment power supplies and tandem type static synchronous compensator to change
Valve test system is flowed, there is integration, universality, voltage and frequency is adjustable, high degree of automation, to be suitable for system test etc. special
Point.
In order to achieve the above objectives, the concrete scheme that the present invention uses is as follows:
A kind of experiment power supply, the experiment power supply include multiple phase-shifting transformer, reactor and it is N number of by rectification module,
Electric capacity of voltage regulation and inverter module power module in series, N >=2, the primary coil and AC power source of multiple phase-shifting transformer
Connection, multiple phase-shifting transformer include N number of secondary coil, each secondary coil connects a power module, power module
Ac output end head and the tail be sequentially connected in series, as the output end of experiment power supply after connecting with reactor.
In above scheme, the rectification module is the three-phase bridge rectifier circuit being made of diode or is by full-control type
The three-phase bridge rectifier circuit that power semiconductor is constituted.
In above scheme, the inverter module is the H bridge type inverter circuit being made of full-control type power semiconductor.
The present invention also accordingly proposes a kind of tandem type static synchronous compensator converter valve test macro, including experiment power supply
And tested converter valve: the experiment power supply include multiple phase-shifting transformer, reactor and it is N number of by rectification module, pressure stabilizing electricity
Appearance and inverter module power module in series, the primary coil of N >=2, multiple phase-shifting transformer is connect with AC power source, more
Weight phase-shifting transformer includes N number of secondary coil, each secondary coil connects a power module, and the exchange of power module is defeated
Outlet head and the tail are sequentially connected in series, as the output end of experiment power supply, the output end and quilt of experiment power supply after connecting with reactor
Survey converter valve connection.
Wherein, the tested converter valve of the converter valve test macro includes M power modules, M >=2, M power modules head
Tail is sequentially connected in series.
Wherein, the converter valve test macro further includes control device, and control device can control experiment power supply and be tested and changes
Flow valve work.
Wherein, the converter valve test macro further includes man-machine interactive system, the man-machine interactive system and control device
Communication.
Wherein, the rectification module is the three-phase bridge rectifier circuit being made of diode.
Wherein, the rectification module is the three-phase bridge rectifier circuit being made of full-control type power semiconductor.
Wherein, the inverter module is the H bridge type inverter circuit being made of full-control type power semiconductor.
Wherein, the power modules in the tested converter valve are that the H bridge type that is made of full-control type power semiconductor is inverse
Power transformation road.
The invention also discloses tandem type static synchronous compensator converter valve test macro control methods, including walk as follows
It is rapid:
Step 1: AC power source is closed a floodgate, and all rectification modules start simultaneously and charge to corresponding DC bus；
Step 2: after all DC bus reach inverter module minimum, control system obtains ready
Feedback signal, to inverter module issue unlock instruction；
Step 3: inverter module enables modulation ratio start from scratch and is gradually increasing after unlocking by PWM modulation mode, and output is handed over
Galvanic electricity pressure is gradually increasing, and is charged to tested converter valve；
Step 4: after tested converter valve charging complete, control system issues unlock instruction to it, and control system is to test electricity
The PWM modulation of source and tested converter valve ratio carries out coordinated control simultaneously, makes ac bus voltage stabilization in the mesh of tested converter valve
It is horizontal to mark test voltage；
Step 5: issuing power control instruction to tested converter valve, test macro is made to operate in the state of transimission power；Root
The instruction that various corresponding operating conditions are issued according to the requirement of pilot project, is tested；In test process, each tested mould group passes through light
Fibre sends telemetering and remote signalling data to control device, and control device is according to signal and logic of propositions judgement test with the presence or absence of different
Often；Blocking order is issued to experiment power supply and tested valve immediately if there is abnormal then control device, prompts exception information, such as
Exception information is shown in human-computer interaction interface；
Step 6: by adjusting PWM modulation ratio, the low-voltage or high voltage instruction of transient state, completion pair are issued to experiment power supply
The high pressure of tested converter valve is passed through and low-voltage crossing performance test；
Step 7: after the completion of test, showing test result in human-computer interaction interface.
Beneficial effects of the present invention:
(1) entire test macro is automation complexes, and tested converter valve can be directly connected to experiment power supply, eliminate
The starting-up later time and switching circuitry of tested valve and start charge step accordingly, largely simplify hookup complexity and
Operation complexity.
(2) experiment power supply of test macro has a wide range of adjustable output voltage grade, can be used for testing it is a variety of not
With the converter valve of voltage class, it can be used for testing the valve section of a variety of different series connection series.Experiment power supply has adjustable output
Frequency can be used for the converter valve that testing needle uses country variant or area.Experiment power supply uses three-phase individual-phase control, can be with
For testing the complete three-phase converter valve an of static synchronous compensator, one single-phase valve section of test can be used for.
(3) experiment power supply of test macro can be under-voltage with the transient state over-voltage of simulation system and transient state, carries out to converter valve
High pressure is passed through and the system tests such as low-voltage crossing.When solving shop test due to the limitation of factory power and bring can not be into
The difficulty of such system test of row provides strong support to the engineering property verifying for carrying out converter valve.
Detailed description of the invention
Fig. 1 is total system theory of constitution figure of the invention,
Figure label title:
1, experiment power supply；2, it is tested converter valve；3, rectification module；4, inverter module；5, the power mould being tested in converter valve
Group；6, multiple phase-shifting transformer；7, AC power source；8, DC bus；9, experiment power supply ac output end；10, reactor；11,
Control device；12, man-machine interactive system
Fig. 2 is three-phase test power supply and tested valve is complete three-phase valve example；
Fig. 3 is that tested valve is single-phase cascade valve section example.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
It is as shown in Figure 1 total system theory of constitution figure of the invention.The present invention provides a kind of experiment power supply, including it is more
Weight phase-shifting transformer, reactor and N number of by rectification module, electric capacity of voltage regulation and inverter module power module in series, N >=
2, the primary coil of multiple phase-shifting transformer is connect with AC power source, and multiple phase-shifting transformer includes N number of secondary coil, each
Secondary coil all connects a power module, and the ac output end head and the tail of power module are sequentially connected in series, connect with reactor
Afterwards as the output end of experiment power supply.
Wherein, rectification module is the three-phase bridge rectifier circuit being made of diode or is by full-control type power semiconductor
The three-phase bridge rectifier circuit that device is constituted.
Wherein, inverter module is the H bridge type inverter circuit being made of full-control type power semiconductor.
As shown in Figure 1, the present invention discloses a kind of tandem type static synchronous compensator converter valve test macros, including
Experiment power supply and tested converter valve: the experiment power supply includes multiple phase-shifting transformer, reactor and N number of by rectification mould
Block, electric capacity of voltage regulation and inverter module power module in series, N >=2, the primary coil and alternating current of multiple phase-shifting transformer
Source connection, multiple phase-shifting transformer include N number of secondary coil, each secondary coil connects a power module, power supply mould
The ac output end head and the tail of block are sequentially connected in series, as the output end of experiment power supply after connecting with reactor, experiment power supply
Output end is connect with tested converter valve.
Wherein, the tested converter valve of the converter valve test macro includes M power modules, M >=2, M power modules head
Tail is sequentially connected in series.
Wherein, the converter valve test macro further includes control device, and control device can control experiment power supply and be tested and changes
Flow valve work.
Wherein, the converter valve test macro further includes man-machine interactive system, the man-machine interactive system and control device
Communication.
Wherein, the rectification module is the three-phase bridge rectifier circuit being made of diode.
Wherein, the rectification module is the three-phase bridge rectifier circuit being made of full-control type power semiconductor.
Wherein, the inverter module is the H bridge type inverter circuit being made of full-control type power semiconductor.
Wherein, the power modules in the tested converter valve are that the H bridge type that is made of full-control type power semiconductor is inverse
Power transformation road.
Experiment power supply block coupled in series quantity can achieve serial number on the basis of choosing reasonable phase-shifting transformer tuple
N=18.The voltage power supply range of each independent direct current bus is 400V~2300V.The output AC voltage 0 of experiment power supply~
42kV, 0~100Hz of output frequency.The optional model of series connection series M of tested converter valve (valve section) is to enclose 5≤M≤80.
As shown in Fig. 2, experiment power supply is a three phase mains, tested valve is a whole set of three-phase an of static synchronous compensator
Converter valve.
As shown in figure 3, experiment power supply takes individual-phase control, tested valve is the single-phase valve section an of module-cascade.
The invention also includes a kind of control methods of converter valve test macro:
Step 1: AC power source is closed a floodgate, and all rectification modules start simultaneously and charge to corresponding DC bus；
Step 2: after all DC bus reach inverter module minimum, control system obtains ready
Feedback signal, to inverter module issue unlock instruction；
Step 3: inverter module enables modulation ratio start from scratch and is gradually increasing after unlocking by PWM modulation mode, and output is handed over
Galvanic electricity pressure is gradually increasing, and is charged to tested converter valve；
Step 4: after tested converter valve charging complete, control system issues unlock instruction to it, and control system is to test electricity
The PWM modulation of source and tested converter valve ratio carries out coordinated control simultaneously, makes ac bus voltage stabilization in the mesh of tested converter valve
It is horizontal to mark test voltage；
Step 5: issuing power control instruction to tested converter valve, test macro is made to operate in the state of transimission power；Root
The instruction that various corresponding operating conditions are issued according to the requirement of pilot project, is tested；In test process, each tested mould group passes through light
Fibre sends telemetering and remote signalling data to control device, and control device is according to signal and logic of propositions judgement test with the presence or absence of different
Often；Blocking order is issued to experiment power supply and tested valve immediately if there is abnormal then control device, and exception information is shown
In human-computer interaction interface；
Step 6: by adjusting PWM modulation ratio, the low-voltage or high voltage instruction of transient state, completion pair are issued to experiment power supply
The high pressure of tested converter valve is passed through and low-voltage crossing performance test；
Step 7: after the completion of test, showing test result in human-computer interaction interface.
The above examples are only used to illustrate the technical scheme of the present invention rather than its limitations, carries out referring to above-described embodiment
Various forms is modified or is changed within the scope of the present invention.
Claims (13)
1. a kind of experiment power supply, it is characterised in that: the experiment power supply include multiple phase-shifting transformer, reactor and it is N number of by
Rectification module, electric capacity of voltage regulation and inverter module power module in series, N >=2, the primary coil of multiple phase-shifting transformer with
AC power source connection, multiple phase-shifting transformer include N number of secondary coil, each secondary coil connects a power module,
The ac output end head and the tail of power module are sequentially connected in series, as the output end of experiment power supply after connecting with reactor.
2. a kind of experiment power supply as described in claim 1, it is characterised in that: the rectification module is three be made of diode
Phase bridge rectifier or three-phase bridge rectifier circuit to be made of full-control type power semiconductor.
3. a kind of experiment power supply as described in claim 1, it is characterised in that: the inverter module is partly to be led by full-control type power
The H bridge type inverter circuit that body device is constituted.
4. a kind of tandem type static synchronous compensator converter valve test macro, including experiment power supply and tested converter valve；It is special
Sign is: the experiment power supply includes multiple phase-shifting transformer, reactor and N number of by rectification module, electric capacity of voltage regulation and inversion
The power module that block coupled in series is constituted, the primary coil of N >=2, multiple phase-shifting transformer are connect with AC power source, and multiple phase shift becomes
Depressor includes N number of secondary coil, each secondary coil connects a power module, the ac output end head and the tail of power module
It is sequentially connected in series, as the output end of experiment power supply, the output end of experiment power supply and tested converter valve after connecting with reactor
Connection.
5. a kind of tandem type static synchronous compensator converter valve test macro as claimed in claim 4, it is characterised in that: described
The tested converter valve of converter valve test macro includes M power modules, M >=2, and M power modules head and the tail are sequentially connected in series.
6. a kind of tandem type static synchronous compensator converter valve test macro as claimed in claim 4, it is characterised in that: described
Converter valve test macro further includes control device, and control device can control experiment power supply and the work of tested converter valve.
7. a kind of tandem type static synchronous compensator converter valve test macro as claimed in claim 4, it is characterised in that: described
Converter valve test macro further includes man-machine interactive system, and the man-machine interactive system and control device communicate.
8. a kind of tandem type static synchronous compensator converter valve test macro as claimed in claim 4, it is characterised in that: described
Rectification module is the three-phase bridge rectifier circuit being made of diode, or for be made of full-control type power semiconductor three
Phase bridge rectifier.
9. a kind of tandem type static synchronous compensator converter valve test macro as claimed in claim 4, it is characterised in that: described
Inverter module is the H bridge type inverter circuit being made of full-control type power semiconductor.
10. a kind of tandem type static synchronous compensator converter valve test macro as claimed in claim 5, it is characterised in that: institute
Stating the power modules in tested converter valve is the H bridge type inverter circuit being made of full-control type power semiconductor.
11. such as the test control of the described in any item tandem type static synchronous compensator converter valve test macros of claim 4 to 10
Method processed, which comprises the steps of:
Step 1: AC power source is closed a floodgate, and all rectification modules start simultaneously and charge to corresponding DC bus；
Step 2: after all DC bus reach inverter module minimum, control system obtains ready anti-
Feedback signal issues unlock instruction to inverter module；
Step 3: inverter module enables modulation ratio start from scratch and is gradually increasing after unlocking by PWM modulation mode, exports alternating current
Pressure is gradually increasing, and is charged to tested converter valve；
Step 4: after tested converter valve charging complete, control system issues unlock instruction to it, control system to experiment power supply and
The PWM modulation ratio of tested converter valve carries out coordinated control simultaneously, makes ac bus voltage stabilization in the target examination of tested converter valve
Electrical verification voltage levels；
Step 5: issuing power control instruction to tested converter valve, test macro is made to operate in the state of transimission power；According to examination
The requirement for testing project issues the instruction of various corresponding operating conditions, is tested；In test process, each tested mould group is sent out by optical fiber
Send telemetering and remote signalling data to control device, control device is according to signal and logic of propositions judgement test with the presence or absence of abnormal；Such as
There is abnormal then control device and issues blocking order to experiment power supply and tested valve immediately in fruit, and prompts exception information.
12. the test control method of tandem type static synchronous compensator converter valve test macro as claimed in claim 11,
It is characterized in that: further including
Step 6: by adjusting PWM modulation ratio, the low-voltage or high voltage instruction of transient state are issued to experiment power supply, is completed to tested
The high pressure of converter valve is passed through and low-voltage crossing performance test.
13. the test control method of tandem type static synchronous compensator converter valve test macro as claimed in claim 11,
It is characterized in that: after the completion of test, showing test result in human-computer interaction interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810694.3A CN109100590B (en) | 2018-07-23 | 2018-07-23 | Test power supply and cascading static synchronous compensator converter valve test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810694.3A CN109100590B (en) | 2018-07-23 | 2018-07-23 | Test power supply and cascading static synchronous compensator converter valve test system |
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| Publication Number | Publication Date |
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| CN109100590A true CN109100590A (en) | 2018-12-28 |
| CN109100590B CN109100590B (en) | 2021-04-20 |
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| CN201810810694.3A Active CN109100590B (en) | 2018-07-23 | 2018-07-23 | Test power supply and cascading static synchronous compensator converter valve test system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110568294A (en) * | 2019-09-29 | 2019-12-13 | 南京南瑞继保电气有限公司 | Power electronic equipment test system and test method |
| CN113176459A (en) * | 2021-04-01 | 2021-07-27 | 南方电网科学研究院有限责任公司 | Flexible direct current converter valve power module starting test method and circuit thereof |
| CN113567107A (en) * | 2021-06-15 | 2021-10-29 | 南京南瑞继保电气有限公司 | Cascaded converter valve testing system and control method thereof |
| CN116381395A (en) * | 2023-06-05 | 2023-07-04 | 北京市轨道交通运营管理有限公司 | Power converter valve group opposite-impact test platform and test method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110568294A (en) * | 2019-09-29 | 2019-12-13 | 南京南瑞继保电气有限公司 | Power electronic equipment test system and test method |
| CN113176459A (en) * | 2021-04-01 | 2021-07-27 | 南方电网科学研究院有限责任公司 | Flexible direct current converter valve power module starting test method and circuit thereof |
| CN113567107A (en) * | 2021-06-15 | 2021-10-29 | 南京南瑞继保电气有限公司 | Cascaded converter valve testing system and control method thereof |
| CN116381395A (en) * | 2023-06-05 | 2023-07-04 | 北京市轨道交通运营管理有限公司 | Power converter valve group opposite-impact test platform and test method |
| CN116381395B (en) * | 2023-06-05 | 2023-08-01 | 北京市轨道交通运营管理有限公司 | Power converter valve group opposite-impact test platform and test method |
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