CN204575767U - A kind of STATCOM detection platform of 10kV electric pressure - Google Patents
A kind of STATCOM detection platform of 10kV electric pressure Download PDFInfo
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- CN204575767U CN204575767U CN201520148009.7U CN201520148009U CN204575767U CN 204575767 U CN204575767 U CN 204575767U CN 201520148009 U CN201520148009 U CN 201520148009U CN 204575767 U CN204575767 U CN 204575767U
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000012360 testing method Methods 0.000 claims abstract description 37
- 238000004891 communication Methods 0.000 claims description 58
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000002788 crimping Methods 0.000 claims description 6
- 239000000700 radioactive tracer Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
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- 238000004804 winding Methods 0.000 claims description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses the detection platform of a kind of STATCOM of 10kV electric pressure, comprise testing circuit, tested STATCOM product, tunable load, detecting instrument, detect bus, signal collection bus and host computer operating system, the utility model utilizes host computer operating system to control the on off state of primary cut-out in testing circuit and high voltage connector, control voltage disturbance generating apparatus exports different disturbance voltage simultaneously, also control that tunable load is idle is operated in idle output or harmonic wave state with harmonic oscillator device, the performance of tested STATCOM product is analyzed in the output observing tested STATCOM product by detecting instrument, the utility model is based on the power electronic devices of modularization series-connected structure, and structure is simple, controls flexibly, secondly, the utility model has considered all operating conditions of tested STATCOM product, fully tested adaptive faculty and the compensation effect of tested STATCOM product, makes testing result comprehensively credible.
Description
Technical field
The utility model belongs to power equipment Performance Detection field, particularly a kind of STATCOM detection platform of 10kV electric pressure.
Background technology
Along with develop rapidly and the design needs of modern industry, the non-linear and impact load in electrical network is increasing, and this just brings to the quality of power supply affects significantly, meanwhile, also proposes more and more stern challenge to the reliability and stability of power supply.Because flexible AC transmitting system (FACTS) has excellent performance and incomparable advantage improving in the quality of power supply, apply widely so FACTS also receives in electrical network, and as one of nucleus equipment---the STATCOM(STATCOM of FACTS), it has good compensation performance, can fast bucking-out system reactive power, effectively restrain voltage fluctuation and flicker, change the three-phase imbalance of system and improve the power factor of system, therefore, STATCOM also receives and applies more and more widely in electrical network.At present, STATCOM device based on existing series-connected structure is widely used in middle-and-high voltage system, but due to the existing Performance Detection specification for STATCOM perfect not enough, detection means is comprehensive not enough, the quality of power supply environment of actual field cannot be reduced, so STATCOM also there will be various unforeseen problem in actual motion again.Therefore, be necessary to develop for the pick-up unit of the general type power quality controlling equipment such as STATCOM, various power quality problem in analog electrical Force system, comprises electrical network transient state, specific load etc., reduce an actual field environment comparatively really.
Utility model content
The purpose of this utility model is the STATCOM detection platform providing a kind of 10kV electric pressure, perfect not enough to solve traditional STATCOM Performance Detection specification, and detection means is comprehensive not enough, cannot reduce the problem of quality of power supply environment of actual field.
For solving the problem, the utility model by the following technical solutions:
A STATCOM detection platform for 10kV electric pressure, comprises testing circuit, tunable load, detecting instrument, 10kV tests bus, signal collection bus and master system:
Described testing circuit is used for producing suitable voltage disturbance under the control of master system, and testing circuit comprises 10kV electrical network, release unit, inlet wire communication means, electrical energy power quality disturbance generating apparatus, exports communication means and be connected reactance device;
Described 10kV electrical network is used for providing 10kV voltage signal to the STATCOM detection platform of 10kV electric pressure;
Described release unit is for controlling startup and the stopping of testing circuit;
The 10kV voltage signal that described inlet wire communication means is used for 10kV electrical network to provide is divided into two-way;
Described electrical energy power quality disturbance generating apparatus is used for producing different voltage signals under master system controls, thus disturbs tested STATCOM device;
Described output communication means is used for detecting bus to electrical energy power quality disturbance generating apparatus and 10 kV and carries out electrical isolation;
Described connection reactance device is for controlling reactor place in circuit;
Described tunable load employing is idle and harmonic oscillator device, idlely the output signal of tested STATCOM product can be made to change with the output mode of harmonic oscillator device by regulating thereupon, and take this as a foundation the performance judging tested STATCOM product;
Described detecting instrument comprises high-precision power analyser, wave tracer, dielectric voltage withstand tester and infrared temperature tester, described high-precision power analyser is for detecting the power of tested STATCOM output of products, described wave tracer is for detecting the voltage and current signal of tested STATCOM output of products, described dielectric voltage withstand tester is for detecting the dielectric voltage withstand performance of tested STATCOM product, and described infrared temperature tester is used for detecting the heat resistance of tested STATCOM product;
Described 10kV tests bus for connecting tested STATCOM product, idle with harmonic oscillator device and testing circuit;
Described signal collection bus for gathering described release unit, inlet wire communication means, electrical energy power quality disturbance generating apparatus, export communication means, connect reactance device and idle input and output signal with harmonic oscillator device and voltage and current sample signal;
Described master system comprises switch board device, on the spot industrial computer and long-range industrial computer, described switch board device is used for sending pwm signal by secondary cable and controls electrical energy power quality disturbance generating apparatus and idlely work with harmonic oscillator device, also for release unit, inlet wire communication means, electrical energy power quality disturbance generating apparatus, connection reactance device and the on off state that is idle and harmonic oscillator device described in being controlled by input and output signal;
Described 10kV electrical network is electrically connected with the input end of release unit, the output terminal of release unit is electrically connected with the input end of inlet wire communication means, the output terminal of inlet wire communication means is made up of the first output terminal and the second output terminal, first output terminal and the 10kV of inlet wire communication means test bus and are electrically connected, second output terminal of inlet wire communication means is electrically connected with the input end of electrical energy power quality disturbance generator, the output terminal of electrical energy power quality disturbance generator is electrically connected with the input end exporting communication means, the output terminal exporting communication means device is electrically connected with the input end being connected reactance device, the output terminal of connection reactance device is tested bus with 10kV and is electrically connected, idlely test bus with the output terminal of harmonic oscillator device with 10kV and be electrically connected, release unit, inlet wire communication means, electrical energy power quality disturbance generating apparatus, export communication means, connect reactance device and idlely all to be communicated to connect by secondary cable and signal collection bus with harmonic oscillator device, signal collection bus is communicated to connect by secondary cable and control device, control device is communicated to connect with industrial computer on the spot by R422, industrial computer is communicated to connect by router and long-range industrial computer on the spot.
Described inlet wire communication means is made up of the first high voltage connector and the second high voltage connector, the first end of the first high voltage connector and the second high voltage connector is electrically connected with the output terminal of release unit, second end of the first high voltage connector and 10kV test bus electrical connection, the second end of the second high voltage connector and being electrically connected with the input end of electrical energy power quality disturbance generating means.
Described electrical energy power quality disturbance generating apparatus inside is provided with electrical energy power quality disturbance generator, described electrical energy power quality disturbance generator is by input transformer, disturbance generator and filter circuit are formed, described input transformer is single-phase multiwinding transformer, secondary adopts Multiple coil to export, each vice-side winding with one back-to-back power cell be electrically connected, described disturbance generator is cascaded into hub-and-spoke configuration by multiple power cell back-to-back in inverter side, described filter circuit is by the first resistance, first inductance and electric capacity are formed, first resistance, electric capacity and the series connection of the first inductance, the two ends of the first resistance and electric capacity are provided with by-pass switch.
Described output communication means crimps tentaculum by third high and forms, and the first end of third high crimping tentaculum is electrically connected with the output terminal of electrical energy power quality disturbance generating apparatus, and the second end of third high crimping tentaculum is electrically connected with the input end being connected reactance device.
Described connection reactance device is made up of reactor and the 4th high voltage connector, the first end of described reactor is electrically connected with the output terminal exporting communication means, second end and the 10kV of described reactor test bus and are electrically connected, and the 4th high voltage connector is parallel to reactor two ends.
Described idle and harmonic oscillator device by idle with harmonic wave generation module and starting-up later time module composition, described starting-up later time module is by the 5th high voltage connector, 6th high voltage connector, second inductance and the second resistance are formed, the 5th described high voltage connector first end is electrically connected with the output terminal that 10kV detects bus, second end of the 5th described high voltage connector is electrically connected with the first end of the second inductance, second end of the second described inductance is electrically connected with harmonic wave generation module with idle, the 5th high voltage connector two ends are connected in parallel on after the 6th described high voltage connector and the second resistant series.
Compared with prior art, the utility model has the following advantages and beneficial effect:
First, the utility model is based on the power electronic devices of modularization series-connected structure, and structure is simple, controls flexible, fast response time; Secondly, the utility model can simulated field voltage and current disturbing operating mode simultaneously, can be realized the random combine of arbitrary patterns, have flexible operation, detect comprehensive, the feature of precise and high efficiency by switching over.
Accompanying drawing explanation
Fig. 1 is overall construction drawing of the present utility model;
Fig. 2 is the structural drawing of electrical energy power quality disturbance generator described in the utility model;
Embodiment
As shown in Figure 1, the utility model provides a kind of STATCOM detection platform of 10kV electric pressure, comprises testing circuit, tunable load, detecting instrument, 10kV test bus, signal collection bus and master system; Described testing circuit comprises 10kV electrical network, release unit, inlet wire communication means, electrical energy power quality disturbance generating apparatus, exports communication means and be connected reactance device; Described tunable load is idle with harmonic oscillator device; Described detecting instrument comprises high-precision power analyser, wave tracer, dielectric voltage withstand tester and infrared temperature tester, described high-precision power analyser is for detecting the power of tested STATCOM output of products, described wave tracer is for detecting the voltage and current signal of tested STATCOM output of products, described dielectric voltage withstand tester is for detecting the dielectric voltage withstand performance of tested STATCOM product, and described infrared temperature tester is used for detecting the heat resistance of tested STATCOM product; Described master system comprises control device, on the spot industrial computer A and long-range industrial computer B, and described control device comprises master controller and signal regulating panel.
Described inlet wire communication means is made up of the first high voltage connector KM1 and the second high voltage connector KM2, the first end of the first high voltage connector KM1 and the second high voltage connector KM2 and the output terminal electrical connection of release unit, second end of the first high voltage connector KM1 and 10kV test bus electrical connection, second end of the second high voltage connector KM2 and the input end electrical connection of electrical energy power quality disturbance generating apparatus, described inlet wire communication means is used for the 10kV voltage signal that described 10kV electrical network provides to be divided into two-way, the first via detects for the general performance of tested STATCOM product, second tunnel is used for the Precision measurement of tested STATCOM product, so both can accomplish the full test to tested STATCOM product, simplify again the structure of test platform simultaneously, the detection of STATCOM product is made to become convenient and swift.
Described electrical energy power quality disturbance generating apparatus inside is provided with electrical energy power quality disturbance generator, described electrical energy power quality disturbance generator is made up of input transformer, disturbance generator and filter circuit, described input transformer is single-phase multiwinding transformer and the former limit of input transformer can connect into star-like or triangle, the system voltage of 10kV can reduce to ratings by single-phase multiwinding transformer, input voltage can also be provided for power cell back-to-back, also can play the buffer action electrically simultaneously.Secondary adopts Multiple coil to export, each vice-side winding with one back-to-back power cell be electrically connected, described disturbance generator is cascaded into hub-and-spoke configuration by multiple power cell back-to-back in inverter side, this makes it possible to the equivalent switching frequency effectively improving device output, thus control accurately to export higher hamonic wave, generate voltage and the current disturbing of given instruction.Described filter circuit is made up of the first resistance R0, the first inductance L and electric capacity C, first resistance R0, electric capacity C and the first inductance L are connected, the series loop two ends of the first resistance R0 and electric capacity C are provided with by-pass switch K, filter circuit effectively can eliminate the interference of high order ripple, can play the level and smooth effect exported; The use of described electrical energy power quality disturbance generating apparatus, can simulate the disturbance situation of on-the-spot voltage and current really, makes the performance test results of tested STATCOM product more accurate, also simplify the step of measuring performance of tested STATCOM product simultaneously.
Described output communication means crimps tentaculum KM3 by third high and forms, the first end of third high crimping tentaculum KM3 is electrically connected with the output terminal of electrical energy power quality disturbance generating apparatus, second end of third high crimping tentaculum KM3 is electrically connected with the input end being connected reactance device, exports communication means and is mainly used in described electrical energy power quality disturbance generating apparatus and 10kV test bus to carry out electrical isolation.
Described connection reactance device is made up of linked reactor Ls and the 4th high voltage connector KM4, the first end of described linked reactor Ls is electrically connected with the output terminal exporting communication means, second end and the 10kV of described linked reactor Ls test bus and are electrically connected, and the 4th high voltage connector KM4 is parallel to linked reactor Ls two ends; Described connection reactance device is for controlling reactor Ls whether place in circuit, due to when measuring, the voltage potentially unstable that 10kV electrical network provides, under voltage mode, need closed 4th high voltage connector KM4, under current-mode, the rush of current caused to prevent voltage jump, need disconnection the 4th high voltage connector KM4, make reactor Ls detection circuit for access.
Described idle and harmonic oscillator device by idle with harmonic wave generation module and starting-up later time module composition, described starting-up later time module is by the 5th high voltage connector KM5, 6th high voltage connector KM6, reactor L1 and the second resistance R1 is formed, the 5th described high voltage connector KM5 first end is tested bus with 10kV be electrically connected with idle, second end of described high voltage connector KM5 is electrically connected with the first end of reactor L1, second end of described reactor L1 is electrically connected with harmonic wave generation module with idle, the 6th described high voltage connector KM6 and the second resistance R1 is connected in parallel on the 5th high voltage connector KM5 two ends after connecting, as everyone knows, when detecting the performance of tested STATCOM product, the reactive-load compensation performance of tested STATCOM product and harmonic wave compensation performance are all very important detected objects, and the idle and tunable load of harmonic oscillator device as detection platform described in adopting, first load is adjustable, and idle output and harmonic wave two kinds of patterns can be had, just can according to the needs of measurement, the output mode of described idle and harmonic oscillator device be transformed between idle and harmonic wave very easily when using the performance of this platform measuring tested STATCOM product, the needs of measurement are met again very easily while simplifying detection platform structure, and as much as possible truly reduce field electric energy environment, make the result of measurement more accurate.
Described 10kV electrical network is electrically connected with the input end of release unit, the output terminal of release unit is electrically connected with the input end of inlet wire communication means, the output terminal of inlet wire communication means is made up of the first output terminal and the second output terminal, first output terminal and the 10kV of inlet wire communication means test bus and are electrically connected, second output terminal of inlet wire communication means is electrically connected with the input end of electrical energy power quality disturbance generator, the output terminal of electrical energy power quality disturbance generator is electrically connected with the input end exporting communication means, the output terminal exporting communication means is electrically connected with the input end being connected reactance device, the output terminal of connection reactance device is tested bus with 10kV and is electrically connected, the input end of described detecting instrument is all connected with the output terminal of tested STATCOM product, idlely test bus with the output terminal of harmonic oscillator device with 10kV and be electrically connected, release unit, inlet wire communication means, electrical energy power quality disturbance generating apparatus, connect reactance device and idlely all to be communicated to connect by secondary cable and signal collection bus with harmonic oscillator device, signal collection bus is communicated to connect by secondary cable and control device, control device is connected with industrial computer A communication on the spot by R422, industrial computer A is communicated to connect by the TPC/IP agreement of router and long-range industrial computer B on the spot.
The utility model operationally, due to described release unit, inlet wire communication means, electrical energy power quality disturbance generating apparatus, connect reactance device and idlely all to be communicated to connect by secondary cable and signal collection bus with harmonic oscillator device, signal collection bus is communicated to connect by secondary cable and control device, control device is connected with industrial computer A communication on the spot by R422, industrial computer A and long-range industrial computer B communicate to connect on the spot, so when using this detection platform to detect the performance of tested STATCOM product, the staff at background work station can send work order by industrial computer B to industrial computer A, again because industrial computer A is connected by R422 communication with control device, so the work order that industrial computer A receives (input and output signal) can be transferred in the master controller in control device, steering order (input and output signal) is transferred to signal collection bus by optical-fibre communications by master controller, signal collection bus controls the release unit be electrically connected with signal collection bus bus again by secondary cable, inlet wire communication means, export communication means and be connected release unit and high voltage connector action in reactance device, with the steering order that the industrial computer B performing background work station sends, simultaneously, according to detection needs, the instruction of the change voltage and current that industrial computer B is transmitted to the master controller of control device by industrial computer A is after master controller and the process of signal condition version, master controller will provide pwm signal, described pwm signal will be transferred to electrical energy power quality disturbance generating apparatus and the idle electrical energy power quality disturbance generating apparatus and idle with harmonic oscillator device action made from harmonic oscillator device by signal collection bus and secondary cable, the voltage and current signal that output order provides.(utilize industrial computer to carry out High-Voltage Electrical Appliances Automated condtrol and belong to existing routine techniques, be widely used in High-Voltage Electrical Appliances and detected and supervision field).
The utility model is owing to adopting modular unit, so structure is simple, installation, maintenance is convenient and swift; The utility model also uses electrical energy power quality disturbance generating apparatus, electrical energy power quality disturbance generating apparatus is under the control of industrial computer and control device, dissimilar voltage and current signal can be exported easily, field electric energy quality environment that is virtually reality like reality as much as possible, makes the testing result of the STATCOM detection platform of described a kind of 10kV electric pressure more accurate; The utility model also uses idle with the tunable load of harmonic oscillator device as the STATCOM detection platform of described a kind of 10kV electric pressure, idle with harmonic oscillator device under the control of industrial computer and control device, the output mode conversion of idle and different subharmonic can be carried out easily, this just can simulated field load really, makes the testing result of the STATCOM detection platform of described a kind of 10kV electric pressure more accurate; Utilize inlet wire communication means to adopt two-way input mode simultaneously, both the STATCOM detection platform of described a kind of 10kV electric pressure can have been made to utilize the general performance of the first via to tested STATCOM product to detect, the real quality of power supply environment of the second road simulated field can be utilized again, comprehensive and accurate detection is made to the performance of tested STATCOM product.
Claims (6)
1. a STATCOM detection platform for 10kV electric pressure, is characterized in that: comprise testing circuit, tunable load, detecting instrument, 10kV test bus, signal collection bus and master system:
Described testing circuit is used for producing suitable voltage disturbance under the control of master system, and testing circuit comprises 10kV electrical network, release unit, inlet wire communication means, electrical energy power quality disturbance generating apparatus, exports communication means and be connected reactance device;
Described 10kV electrical network is used for providing 10kV voltage signal to the STATCOM detection platform of 10kV electric pressure;
Described release unit is for controlling startup and the stopping of testing circuit;
The 10kV voltage signal that described inlet wire communication means is used for 10kV electrical network to provide is divided into two-way;
Described electrical energy power quality disturbance generating apparatus is used for producing different voltage signals under master system controls, thus disturbs tested STATCOM device;
Described output communication means is used for detecting bus to electrical energy power quality disturbance generating apparatus and 10 kV and carries out electrical isolation;
Described connection reactance device is for controlling reactor place in circuit;
Described tunable load employing is idle and harmonic oscillator device, idlely the output signal of tested STATCOM product can be made to change with the output mode of harmonic oscillator device by regulating thereupon, and take this as a foundation the performance judging tested STATCOM product;
Described detecting instrument comprises high-precision power analyser, wave tracer, dielectric voltage withstand tester and infrared temperature tester, described high-precision power analyser is for detecting the power of tested STATCOM output of products, described wave tracer is for detecting the voltage and current signal of tested STATCOM output of products, described dielectric voltage withstand tester is for detecting the dielectric voltage withstand performance of tested STATCOM product, and described infrared temperature tester is used for detecting the heat resistance of tested STATCOM product;
Described 10kV tests bus for connecting tested STATCOM product, idle with harmonic oscillator device and testing circuit;
Described signal collection bus for gathering described release unit, inlet wire communication means, electrical energy power quality disturbance generating apparatus, export communication means, connect reactance device and idle input and output signal with harmonic oscillator device and voltage and current sample signal;
Described master system comprises switch board device, on the spot industrial computer and long-range industrial computer, described switch board device is used for sending pwm signal by secondary cable and controls electrical energy power quality disturbance generating apparatus and idlely work with harmonic oscillator device, also for release unit, inlet wire communication means, electrical energy power quality disturbance generating apparatus, connection reactance device and the on off state that is idle and harmonic oscillator device described in being controlled by input and output signal;
Described 10kV electrical network is electrically connected with the input end of release unit, the output terminal of release unit is electrically connected with the input end of inlet wire communication means, the output terminal of inlet wire communication means is made up of the first output terminal and the second output terminal, first output terminal and the 10kV of inlet wire communication means test bus and are electrically connected, second output terminal of inlet wire communication means is electrically connected with the input end of electrical energy power quality disturbance generator, the output terminal of electrical energy power quality disturbance generator is electrically connected with the input end exporting communication means, the output terminal exporting communication means is electrically connected with the input end being connected reactance device, the output terminal of connection reactance device is tested bus with 10kV and is electrically connected, idlely test bus with the output terminal of harmonic oscillator device with 10kV and be electrically connected, release unit, inlet wire communication means, electrical energy power quality disturbance generating apparatus, export communication means, connect reactance device and idlely all to be communicated to connect by secondary cable and signal collection bus with harmonic oscillator device, signal collection bus is communicated to connect by secondary cable and control device, control device is communicated to connect with industrial computer on the spot by R422, industrial computer is communicated to connect by router and long-range industrial computer on the spot.
2. the STATCOM detection platform of a kind of 10kV electric pressure according to claim 1, it is characterized in that: described inlet wire communication means is made up of the first high voltage connector and the second high voltage connector, the first end of the first high voltage connector and the second high voltage connector is electrically connected with the output terminal of release unit, second end of the first high voltage connector and 10kV test bus electrical connection, the second end of the second high voltage connector and being electrically connected with the input end of electrical energy power quality disturbance generating means.
3. the STATCOM detection platform of a kind of 10kV electric pressure according to claim 1, it is characterized in that: described electrical energy power quality disturbance generating apparatus inside is provided with electrical energy power quality disturbance generator, described electrical energy power quality disturbance generator is by input transformer, disturbance generator and filter circuit are formed, described input transformer is single-phase multiwinding transformer, secondary adopts Multiple coil to export, each vice-side winding with one back-to-back power cell be electrically connected, described disturbance generator is cascaded into hub-and-spoke configuration by multiple power cell back-to-back in inverter side, described filter circuit is by the first resistance, first inductance and electric capacity are formed, first resistance, electric capacity and the series connection of the first inductance, the two ends of the first resistance and electric capacity are provided with by-pass switch.
4. the STATCOM detection platform of a kind of 10kV electric pressure according to claim 1, it is characterized in that: described output communication means crimps tentaculum by third high and forms, the first end of third high crimping tentaculum is electrically connected with the output terminal of electrical energy power quality disturbance generating apparatus, and the second end of third high crimping tentaculum is electrically connected with the input end being connected reactance device.
5. the STATCOM detection platform of a kind of 10kV electric pressure according to claim 1, it is characterized in that: described connection reactance device is made up of reactor and the 4th high voltage connector, the first end of described reactor is electrically connected with the output terminal exporting communication means, second end and the 10kV of described reactor test bus and are electrically connected, and the 4th high voltage connector is parallel to reactor two ends.
6. the STATCOM detection platform of a kind of 10kV electric pressure according to claim 1, it is characterized in that: described idle and harmonic oscillator device by idle with harmonic wave generation module and starting-up later time module composition, described starting-up later time module is by the 5th high voltage connector, 6th high voltage connector, second inductance and the second resistance are formed, the 5th described high voltage connector first end is electrically connected with the output terminal that 10kV detects bus, second end of the 5th described high voltage connector is electrically connected with the first end of the second inductance, second end of the second described inductance is electrically connected with harmonic wave generation module with idle, the 5th high voltage connector two ends are connected in parallel on after the 6th described high voltage connector and the second resistant series.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520148009.7U CN204575767U (en) | 2015-03-16 | 2015-03-16 | A kind of STATCOM detection platform of 10kV electric pressure |
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| CN201520148009.7U CN204575767U (en) | 2015-03-16 | 2015-03-16 | A kind of STATCOM detection platform of 10kV electric pressure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764952A (en) * | 2015-03-16 | 2015-07-08 | 国网河南省电力公司电力科学研究院 | 10 kV voltage class STATCOM testing platform and testing method |
| CN105634285A (en) * | 2016-01-22 | 2016-06-01 | 宁波三星医疗电气股份有限公司 | Single-phase high frequency harmonic generation apparatus |
| CN107703415A (en) * | 2016-12-20 | 2018-02-16 | 中国矿业大学 | A kind of two level three-phase four-line D STATCOM major loop switching device open fault localization methods |
-
2015
- 2015-03-16 CN CN201520148009.7U patent/CN204575767U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764952A (en) * | 2015-03-16 | 2015-07-08 | 国网河南省电力公司电力科学研究院 | 10 kV voltage class STATCOM testing platform and testing method |
| CN105634285A (en) * | 2016-01-22 | 2016-06-01 | 宁波三星医疗电气股份有限公司 | Single-phase high frequency harmonic generation apparatus |
| CN105634285B (en) * | 2016-01-22 | 2017-11-28 | 宁波三星医疗电气股份有限公司 | Single-phase high frequency harmonic wave generation device |
| CN107703415A (en) * | 2016-12-20 | 2018-02-16 | 中国矿业大学 | A kind of two level three-phase four-line D STATCOM major loop switching device open fault localization methods |
| CN107703415B (en) * | 2016-12-20 | 2020-06-09 | 中国矿业大学 | Two-level three-phase four-wire system D-STATCOM main loop switching device open circuit fault positioning method |
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