CN110794300A - Three-phase full-voltage test power supply of breaker on primary and secondary fusion complete set of column - Google Patents
Three-phase full-voltage test power supply of breaker on primary and secondary fusion complete set of column Download PDFInfo
- Publication number
- CN110794300A CN110794300A CN201911136989.8A CN201911136989A CN110794300A CN 110794300 A CN110794300 A CN 110794300A CN 201911136989 A CN201911136989 A CN 201911136989A CN 110794300 A CN110794300 A CN 110794300A
- Authority
- CN
- China
- Prior art keywords
- phase
- voltage
- current
- source
- voltage source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/333—Testing of the switching capacity of high-voltage circuit-breakers ; Testing of breaking capacity or related variables, e.g. post arc current or transient recovery voltage
- G01R31/3333—Apparatus, systems or circuits therefor
- G01R31/3336—Synthetic testing, i.e. with separate current and voltage generators simulating distance fault conditions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Ac-Ac Conversion (AREA)
Abstract
The invention provides a three-phase full voltage test power supply of a circuit breaker on a secondary fusion set column, which comprises a three-phase high-precision alternating current source and a three-phase high-precision alternating current voltage source, wherein the three-phase high-precision alternating current source and the three-phase high-precision alternating current voltage source are connected to a power grid through a power supply main circuit breaker QFa, and a full phase shifter used for adjusting phase angles of output voltage and output current of the test power supply is also connected between the three-phase high-precision alternating current source and the power supply main circuit breaker QFa.
Description
Technical Field
The invention relates to a test power supply, in particular to a three-phase full-voltage test power supply of a primary-secondary integrated circuit breaker on a column set.
Background
The conventional electromagnetic mutual inductor and the primary body equipment are combined by the primary and secondary integrated on-column circuit breakers, a standardized aviation plug connector and terminal equipment are adopted for carrying out measurement, metering and control information interaction, and as sensing equipment such as the mutual inductor and the like are integrated with the primary body equipment, secondary side current and voltage cannot be accurately measured, and the traditional method for respectively and independently detecting all components cannot meet the detection requirement of the circuit breakers on the on-column set.
Disclosure of Invention
The invention aims to provide a three-phase full-voltage test power supply of a primary-secondary fusion complete set of pole-mounted circuit breakers, which can realize high-precision full-phase output of current and voltage, and each phase of current and voltage output can be independently regulated and controlled.
The technical scheme of the invention is as follows:
a three-phase full-voltage test power supply of a primary-secondary fusion on-column circuit breaker comprises a three-phase high-precision alternating current source and a three-phase high-precision alternating current voltage source, wherein the three-phase high-precision alternating current source and the three-phase high-precision alternating current voltage source are connected to a power grid through a power main circuit breaker QFa, a full-phase shifter for adjusting phase angles of output voltage and output current of the test power supply is further connected between the three-phase high-precision alternating current source and a power main circuit breaker QFa, the three-phase high-precision alternating current source comprises a current source A-phase circuit breaker QFc1, a current source B-phase circuit breaker QFc2 and a current source C-phase circuit breaker QFc3, one end of a current source A-phase circuit breaker QFc1 is connected with a power main circuit breaker 567, the other end of the current source A-phase electric self-coupled voltage regulator TVC1, the output end of the current source A phase rising current transformer TC1 is connected to the A phase of the pole breaker, similarly, the current source B phase breaker QFc2 is sequentially connected with the current source B phase electric autotransformer TVC2 and the current source B phase rising current transformer TC2, the output end of the current source B phase rising current transformer TC2 is connected to the B phase of the pole breaker, the current source C phase breaker QFc3 is sequentially connected with the current source B phase electric autotransformer TVC 62 and the current source C phase rising current transformer TC3, the output end of the current source C phase rising current transformer TC3 is connected to the C phase of the pole breaker, the three-phase high-precision alternating current voltage source comprises a voltage source A phase breaker QFv1, a voltage source B phase breaker 6342 and a voltage source C phase breaker QFv3, one end of the voltage source A phase breaker QFv1 is connected to the A phase output end of the full-phase shifter, the other end of the voltage source A phase electric autotransformer TC TVV1, the output end, the output end of a voltage source A phase boost transformer TV1 is connected to the A phase of the pole-mounted circuit breaker, similarly, one end of a voltage source B phase circuit breaker QFv2 is connected to the B phase output end of the full phase shifter, the other end of the voltage source B phase circuit breaker is connected to the input end of a voltage source B phase boost transformer TV2, the output end of a voltage source B phase boost transformer TV2 is connected to the B phase of the pole-mounted circuit breaker, one end of a voltage source C phase circuit breaker QFv3 is connected to the C phase output end of the full phase shifter, the other end of the voltage source C phase circuit breaker is connected to the input end of a voltage source C phase boost transformer TV TVV3, the output end of a voltage source C phase boost transformer TV TVV3 is connected to the input end of a voltage source C phase boost transformer TV3, the output end of a voltage source C phase boost transformer TV3 is connected to the C phase of the pole-mounted circuit, the three-phase high-precision alternating-current voltage source and the full-phase shifter form a test power supply.
The current source A-phase electric autotransformer TVC1 is connected with a current source A-phase current stabilization controller QA1, the output end of the current source A-phase current rising transformer TC1 is connected with a current source A-phase current transformer CT1, the current source A-phase current transformer CT1 is connected with a current source A-phase current meter A1, and a current source A-phase current meter A1 is connected with the current source A-phase current stabilization controller QA1 to monitor and stabilize the current output by the current source A-phase.
The current source B-phase electric autotransformer TVC2 is connected with a current source B-phase current stabilization controller QA2, the output end of the current source B-phase current rising transformer TC2 is connected with a current source B-phase current transformer CT2, the current source B-phase current transformer CT2 is connected with a current source B-phase current meter A2, and a current source B-phase current meter A2 is connected with the current source B-phase current stabilization controller QA2 to monitor and stabilize the current output by the current source B-phase.
The current source C-phase electric autotransformer TVC3 is connected with a current source C-phase current stabilization controller QA3, the output end of the current source V-phase current rising transformer TC3 is connected with a current source C-phase current transformer CT3, the current source C-phase current transformer CT3 is connected with a current source C-phase current meter A3, and a current source C-phase current meter A3 is connected with the current source C-phase current stabilization controller QA3 to monitor and stabilize current of the current source C-phase output current.
The voltage source A-phase electric autotransformer TVV1 is connected with a voltage source A-phase voltage stabilizing controller QV1, the output end of the voltage source A-phase voltage boosting transformer TV1 is connected with a voltage source A-phase voltage transformer PT1, the voltage source A-phase voltage transformer PT1 is connected with a voltage source A-phase voltage meter V1, and the voltage source A-phase voltage meter V1 is connected with the voltage source A-phase voltage stabilizing controller QV1 to monitor and stabilize the voltage of the voltage source A-phase output voltage.
The voltage source B-phase electric autotransformer TVV2 is connected with a voltage source B-phase voltage stabilizing controller QV2, the output end of the voltage source B-phase voltage boosting transformer TV2 is connected with a voltage source B-phase voltage transformer PT2, the voltage source B-phase voltage transformer PT2 is connected with a voltage source B-phase voltage meter V2, and the voltage source B-phase voltage meter V2 is connected with the voltage source B-phase voltage stabilizing controller QV2 to monitor and stabilize the voltage of the voltage source B-phase output voltage.
The voltage source C-phase electric autotransformer TVV3 is connected with a voltage source C-phase voltage stabilizing controller QV3, the output end of the voltage source C-phase voltage boosting transformer TV3 is connected with a voltage source C-phase voltage transformer PT3, the voltage source C-phase voltage transformer PT3 is connected with a voltage source C-phase voltage meter V3, and the voltage source C-phase voltage meter V3 is connected with the voltage source C-phase voltage stabilizing controller QV3 to monitor and stabilize the voltage of the voltage source C-phase output voltage.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a three-phase full-voltage test power supply for detecting the fault detection and the accuracy detection of a circuit breaker on a primary and secondary fusion complete set of columns, which is synthesized by a three-phase high-precision alternating current source and a three-phase high-precision alternating current voltage source, has small demand on the power supply capacity, can realize the full-phase output of high-precision current and voltage, can independently adjust and control the output of each phase current and voltage, can simulate various operating conditions, realizes the function of completing various detections by one-time wiring, meets the detection demand of the circuit breaker on the primary and secondary fusion complete set of columns, and has good practicability.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
a three-phase full voltage test power supply of a one-time and two-time integrated pole-mounted circuit breaker comprises a three-phase high-precision alternating current source 4 and a three-phase high-precision alternating current voltage source 5, wherein the three-phase high-precision alternating current source 4 and the three-phase high-precision alternating current voltage source 5 are connected to a power grid through a power main circuit breaker QFa, a full-phase shifter 6 for adjusting phase angles of output voltage and output current of the test power supply is further connected between the three-phase high-precision alternating current voltage source 5 and the power main circuit breaker QFa to realize power factor change, the three-phase high-precision alternating current source 4 comprises a current source A-phase circuit breaker QFc1, a current source B-phase circuit breaker QFc2 and a current source C-phase circuit breaker QFc3, one end of a current source A-phase circuit breaker QFc1 is connected with a power main circuit breaker 567, the other end of the current source A-phase electric self-coupling, the output end of the current source A phase up-conversion TC1 is connected to the A phase of the pole-mounted circuit breaker 3, similarly, the current source B phase circuit breaker QFc2 is sequentially connected with the current source B phase electric autotransformer TVC2 and the current source B phase up-conversion TC2, the output end of the current source B phase up-conversion TC2 is connected to the B phase of the pole-mounted circuit breaker 3, the current source C phase circuit breaker QFc3 is sequentially connected with the current source B phase electric autotransformer TVC3 and the current source C phase up-conversion TC3, the output end of the current source C phase up-conversion TC3 is connected to the C phase of the pole-mounted circuit breaker 3, the three-phase high-precision alternating current voltage source 5 comprises a voltage source A phase circuit breaker QFv1, a voltage source B phase circuit breaker QFv2 and a voltage source C phase circuit breaker QFv3, one end of the voltage source A phase circuit breaker QFv1 is connected to the A phase output end of the full-phase, the output end of a voltage source A phase boost transformer TV1 is connected to the A phase of the pole-mounted circuit breaker 3, similarly, one end of a voltage source B phase circuit breaker QFv2 is connected to the B phase output end of the all-phase shifter 6, the other end is connected to the input end of a voltage source B phase electric auto-transformer TVV2, the output end of a voltage source B phase electric auto-transformer TVV2 is connected to the input end of a voltage source B phase boost transformer TV2, the output end of a voltage source B phase boost transformer TV2 is connected to the B phase of the pole-mounted circuit breaker 3, one end of a voltage source C phase circuit breaker QFv3 is connected to the C phase output end of the all-phase shifter 6, the other end is connected to the input end of a voltage source C phase electric auto-transformer TVV3, the output end of a voltage source C phase electric auto-transformer TVV3 is connected to the input end of a voltage source C phase boost transformer TV3, the output end of, the three-phase high-precision alternating-current voltage source 5 and the full-phase shifter 6 form a test power supply. The output ends of the three-phase high-precision alternating current source 4 and the three-phase high-precision alternating current voltage source 5 are connected to the pole-mounted circuit breaker 3, the pole-mounted circuit breaker 3 is connected to the control box 1 through the control cable 2, and the control box 1 monitors various working conditions of the pole-mounted circuit breaker 3 in the test power supply switching change simulation, so that various detection operations of the pole-mounted circuit breaker 3 are realized.
The current source phase-A circuit breaker QFc1, the current source phase-B circuit breaker QFc2 and the current source phase-C circuit breaker QFc3 are used for independently controlling the switching of each phase current source.
The voltage source A-phase circuit breaker QFv1, the voltage source B-phase circuit breaker QFv2 and the voltage source C-phase circuit breaker QFv3 are used for independently controlling the switching of each phase of voltage source.
The current source A-phase electric autotransformer TVC1 is connected with a current source A-phase current stabilization controller QA1, the output end of the current source A-phase current rising transformer TC1 is connected with a current source A-phase current transformer CT1, the current source A-phase current transformer CT1 is connected with a current source A-phase current meter A1, and a current source A-phase current meter A1 is connected with the current source A-phase current stabilization controller QA1 to monitor and stabilize the current output by the current source A-phase. The combination of TVC1 and TC1 enables independent adjustment of current source A-phase current.
The current source B-phase electric autotransformer TVC2 is connected with a current source B-phase current stabilization controller QA2, the output end of the current source B-phase current rising transformer TC2 is connected with a current source B-phase current transformer CT2, the current source B-phase current transformer CT2 is connected with a current source B-phase current meter A2, and a current source B-phase current meter A2 is connected with the current source B-phase current stabilization controller QA2 to monitor and stabilize the current output by the current source B-phase. The combination of TVC2 and TC2 enables independent adjustment of current source B-phase current.
The current source C-phase electric autotransformer TVC3 is connected with a current source C-phase current stabilization controller QA3, the output end of the current source V-phase current rising transformer TC3 is connected with a current source C-phase current transformer CT3, the current source C-phase current transformer CT3 is connected with a current source C-phase current meter A3, and a current source C-phase current meter A3 is connected with the current source C-phase current stabilization controller QA3 to monitor and stabilize current of the current source C-phase output current. The combination of TVC3 and TC3 enables independent adjustment of current source C-phase current.
The voltage source A-phase electric autotransformer TVV1 is connected with a voltage source A-phase voltage stabilizing controller QV1, the output end of the voltage source A-phase voltage boosting transformer TV1 is connected with a voltage source A-phase voltage transformer PT1, the voltage source A-phase voltage transformer PT1 is connected with a voltage source A-phase voltage meter V1, and the voltage source A-phase voltage meter V1 is connected with the voltage source A-phase voltage stabilizing controller QV1 to monitor and stabilize the voltage of the voltage source A-phase output voltage. TVV1 and TV1 in combination enable independent regulation of voltage source A-phase voltages.
The voltage source B-phase electric autotransformer TVV2 is connected with a voltage source B-phase voltage stabilizing controller QV2, the output end of the voltage source B-phase voltage boosting transformer TV2 is connected with a voltage source B-phase voltage transformer PT2, the voltage source B-phase voltage transformer PT2 is connected with a voltage source B-phase voltage meter V2, and the voltage source B-phase voltage meter V2 is connected with the voltage source B-phase voltage stabilizing controller QV2 to monitor and stabilize the voltage of the voltage source B-phase output voltage. TVV2 and TV3 combine to achieve independent regulation of voltage source B-phase voltage.
The voltage source C-phase electric autotransformer TVV3 is connected with a voltage source C-phase voltage stabilizing controller QV3, the output end of the voltage source C-phase voltage boosting transformer TV3 is connected with a voltage source C-phase voltage transformer PT3, the voltage source C-phase voltage transformer PT3 is connected with a voltage source C-phase voltage meter V3, and the voltage source C-phase voltage meter V3 is connected with the voltage source C-phase voltage stabilizing controller QV3 to monitor and stabilize the voltage of the voltage source C-phase output voltage. TVV3 and TV3 combine to achieve independent regulation of voltage source C-phase voltage.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a circuit breaker three-phase full voltage test power supply on secondary fusion set post which characterized in that: the three-phase high-precision alternating current power supply comprises a three-phase high-precision alternating current source (4) and a three-phase high-precision alternating current voltage source (5), wherein the three-phase high-precision alternating current source (4) and the three-phase high-precision alternating current voltage source (5) are connected to a power grid through a power supply main circuit breaker (QFa), a full-phase shifter (6) used for adjusting phase angles of output voltage and output current of a test power supply is further connected between the three-phase high-precision alternating current voltage source (5) and the power supply main circuit breaker (QFa), the three-phase high-precision alternating current source (4) comprises a current source A-phase circuit breaker (QFc1), a current source B-phase circuit breaker (QFc2) and a current source C-phase circuit breaker (QFc3), one end of the current source A-phase circuit breaker (QFc1) is connected with the power supply main circuit breaker (QFa), the other end of the current source A-phase electric auto-transformer, the output end of a current source A phase rising current transformer (TC1) is connected to the A phase of a pole-mounted circuit breaker (3), similarly, a current source B phase circuit breaker (QFc2) is sequentially connected with a current source B phase electric self-coupling voltage regulator (TVC2) and a current source B phase rising current transformer (TC2), the output end of the current source B phase rising current transformer (TC2) is connected to the B phase of the pole-mounted circuit breaker (3), a current source C phase circuit breaker (QFc3) is sequentially connected with a current source B phase electric self-coupling voltage regulator (TVC3) and a current source C phase rising current transformer (TC3), the output end of the current source C phase rising current transformer (TC3) is connected to the C phase of the pole-mounted circuit breaker (3), the three-phase high-precision alternating current voltage source (5) comprises a phase voltage source A phase circuit breaker (QFv1), a voltage source B phase circuit breaker (QFv2) and a voltage source C phase circuit breaker (QFv3), one end of the voltage, the other end is connected with the input end of a voltage source A-phase electric auto-coupling voltage regulator (TVV1), the output end of the voltage source A-phase electric auto-coupling voltage regulator (TVV1) is connected with the input end of a voltage source A-phase boosting transformer (TV1), the output end of the voltage source A-phase boosting transformer (TV1) is connected with the A-phase of the pole-mounted circuit breaker (3), similarly, one end of a voltage source B-phase circuit breaker (QFv2) is connected with the B-phase output end of the full-phase shifter (6), the other end is connected with the input end of a voltage source B-phase electric auto-coupling voltage regulator (TVV2), the output end of the voltage source B-phase electric auto-coupling voltage regulator (TVV2) is connected with the input end of a voltage source B-phase boosting transformer (TV2), the output end of the voltage source B-phase boosting transformer (TV2) is connected with the B-phase of the pole-mounted circuit breaker (3), one end of a voltage source C-phase circuit breaker (73, the output end of a voltage source C-phase electric self-coupling voltage regulator (TVV3) is connected to the input end of a voltage source C-phase boost transformer (TV3), the output end of the voltage source C-phase boost transformer (TV3) is connected to the C phase of an on-pole circuit breaker (3), and a three-phase high-precision alternating current source (4), a three-phase high-precision alternating current voltage source (5) and a full-phase shifter (6) form a test power supply.
2. The three-phase full-voltage test power supply of the primary and secondary fusion set of pole-mounted circuit breakers according to claim 1, wherein: the current source A-phase electric autotransformer (TVC1) is connected with a current source A-phase current stabilization controller (QA1), the output end of the current source A-phase current rising transformer (TC1) is connected with a current source A-phase current transformer (CT1), a current source A-phase current transformer (CT1) is connected with a current source A-phase ammeter (A1), and the current source A-phase ammeter (A1) is connected with the current source A-phase current stabilization controller (QA1) and used for monitoring and stabilizing current of current source A-phase output current.
3. The three-phase full-voltage test power supply of the primary and secondary fusion set of pole-mounted circuit breakers according to claim 1, wherein: the current source B-phase electric autotransformer (TVC2) is connected with a current source B-phase current stabilization controller (QA2), the output end of the current source B-phase current rising transformer (TC2) is connected with a current source B-phase current transformer (CT2), a current source B-phase ammeter (A2) is connected onto the current source B-phase current transformer (CT2), and the current source B-phase ammeter (A2) is connected with the current source B-phase current stabilization controller (QA2) and used for monitoring and stabilizing current of current source B-phase output current.
4. The three-phase full-voltage test power supply of the primary and secondary fusion set of pole-mounted circuit breakers according to claim 1, wherein: the current source C phase electric autotransformer (TVC3) is connected with a current source C phase current stabilization controller (QA3), the output end of the current source V phase current rising transformer (TC3) is connected with a current source C phase current transformer (CT3), a current source C phase current transformer (CT3) is connected with a current source C phase ammeter (A3), and the current source C phase ammeter (A3) is connected with the current source C phase current stabilization controller (QA3) to monitor and stabilize current of current output by the current source C phase.
5. The three-phase full-voltage test power supply of the primary and secondary fusion set of pole-mounted circuit breakers according to claim 1, wherein: the voltage source A phase electric autotransformer (TVV1) is connected with a voltage source A phase voltage stabilizing controller (QV1), the output end of the voltage source A phase voltage boosting transformer (TV1) is connected with a voltage source A phase voltage transformer (PT1), the voltage source A phase voltage transformer (PT1) is connected with a voltage source A phase voltmeter (V1), and the voltage source A phase voltmeter (V1) is connected with the voltage source A phase voltage stabilizing controller (QV1) and is used for monitoring and stabilizing voltage of voltage source A phase output voltage.
6. The three-phase full-voltage test power supply of the primary and secondary fusion set of pole-mounted circuit breakers according to claim 1, wherein: the voltage source B phase electric autotransformer (TVV2) is connected with a voltage source B phase voltage stabilizing controller (QV2), the output end of the voltage source B phase voltage boosting transformer (TV2) is connected with a voltage source B phase voltage transformer (PT2), the voltage source B phase voltage transformer (PT2) is connected with a voltage source B phase voltmeter (V2), and the voltage source B phase voltmeter (V2) is connected with the voltage source B phase voltage stabilizing controller (QV2) and is used for monitoring and stabilizing voltage of voltage source B phase output voltage.
7. The three-phase full-voltage test power supply of the primary and secondary fusion set of pole-mounted circuit breakers according to claim 1, wherein: the voltage source C phase electric autotransformer (TVV3) is connected with a voltage source C phase voltage stabilizing controller (QV3), the output end of the voltage source C phase voltage boosting transformer (TV3) is connected with a voltage source C phase voltage transformer (PT3), the voltage source C phase voltage transformer (PT3) is connected with a voltage source C phase voltmeter (V3), and the voltage source C phase voltmeter (V3) is connected with the voltage source C phase voltage stabilizing controller (QV3) and is used for monitoring and stabilizing voltage of voltage source C phase output voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911136989.8A CN110794300A (en) | 2019-11-19 | 2019-11-19 | Three-phase full-voltage test power supply of breaker on primary and secondary fusion complete set of column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911136989.8A CN110794300A (en) | 2019-11-19 | 2019-11-19 | Three-phase full-voltage test power supply of breaker on primary and secondary fusion complete set of column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110794300A true CN110794300A (en) | 2020-02-14 |
Family
ID=69445373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911136989.8A Pending CN110794300A (en) | 2019-11-19 | 2019-11-19 | Three-phase full-voltage test power supply of breaker on primary and secondary fusion complete set of column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110794300A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098832A (en) * | 2020-09-18 | 2020-12-18 | 国网上海市电力公司 | Device for detecting tripping characteristic of pole-mounted circuit breaker |
| CN113759199A (en) * | 2021-09-26 | 2021-12-07 | 淮安苏达电气有限公司 | Testing device and testing method for primary and secondary fusion equipment acting on power distribution network |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160124048A1 (en) * | 2014-11-03 | 2016-05-05 | Eaton Corporation | Portable diagnostic apparatus for testing circuit breakers |
| CN106205989A (en) * | 2016-09-28 | 2016-12-07 | 江苏靖江互感器股份有限公司 | A kind of controller switching equipment is with one or two fusion threephase current transformers |
| CN108535645A (en) * | 2018-04-24 | 2018-09-14 | 国网湖北省电力有限公司电力科学研究院 | A kind of one or two test for fusion methods of pole-mounted circuit breaker defencive function |
| CN109507581A (en) * | 2018-11-10 | 2019-03-22 | 广西电网有限责任公司电力科学研究院 | The mode of connection of high-voltage circuitbreaker automatic detection |
| CN110133489A (en) * | 2019-04-26 | 2019-08-16 | 国网湖北省电力有限公司电力科学研究院 | The simulated failure applying method of breaker singlephase earth fault on one or two fusion serial columns |
| CN110441682A (en) * | 2019-09-10 | 2019-11-12 | 浙江华电器材检测研究所有限公司 | A kind of one or two fusion switch test systems |
-
2019
- 2019-11-19 CN CN201911136989.8A patent/CN110794300A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160124048A1 (en) * | 2014-11-03 | 2016-05-05 | Eaton Corporation | Portable diagnostic apparatus for testing circuit breakers |
| CN106205989A (en) * | 2016-09-28 | 2016-12-07 | 江苏靖江互感器股份有限公司 | A kind of controller switching equipment is with one or two fusion threephase current transformers |
| CN108535645A (en) * | 2018-04-24 | 2018-09-14 | 国网湖北省电力有限公司电力科学研究院 | A kind of one or two test for fusion methods of pole-mounted circuit breaker defencive function |
| CN109507581A (en) * | 2018-11-10 | 2019-03-22 | 广西电网有限责任公司电力科学研究院 | The mode of connection of high-voltage circuitbreaker automatic detection |
| CN110133489A (en) * | 2019-04-26 | 2019-08-16 | 国网湖北省电力有限公司电力科学研究院 | The simulated failure applying method of breaker singlephase earth fault on one or two fusion serial columns |
| CN110441682A (en) * | 2019-09-10 | 2019-11-12 | 浙江华电器材检测研究所有限公司 | A kind of one or two fusion switch test systems |
Non-Patent Citations (3)
| Title |
|---|
| THOMAS HEINZ ETC.: "145 kV Vacuum Circuit Breaker and Clean Air Instrument Transformer - Performance, Installation- and Operational Experience", 《VDE HIGH VOLTAGE TECHNOLOGY 2018; ETG-SYMPOSIUM》 * |
| 熊虎等: "柱上真空断路器的保护功能一二次融合试验研究", 《湖北电力》 * |
| 黄祖委等: "柱上开关一二次融合的技术发展阶段分析", 《大众用电》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098832A (en) * | 2020-09-18 | 2020-12-18 | 国网上海市电力公司 | Device for detecting tripping characteristic of pole-mounted circuit breaker |
| CN113759199A (en) * | 2021-09-26 | 2021-12-07 | 淮安苏达电气有限公司 | Testing device and testing method for primary and secondary fusion equipment acting on power distribution network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2733809B1 (en) | Power quality control | |
| CN110794300A (en) | Three-phase full-voltage test power supply of breaker on primary and secondary fusion complete set of column | |
| Bettanin et al. | Voltage management strategies for low voltage networks supplied through phase-decoupled on-load-tap-changer transformers | |
| Flores-Arias et al. | Voltage regulator system based on a PWM AC chopper converter | |
| CN201498349U (en) | Secondary load box of voltage mutual inductor for metering high voltage | |
| Ramamurthy et al. | Mitigation of motor starting voltage sags using distribution-class statcom | |
| CN102624102A (en) | Power supplying circuit and power supplying method for chain-type SVG (static var generator) modules | |
| Chen et al. | Flexible transformers for distribution grid control | |
| CN107144758B (en) | Method for testing influence of thermal effect on short-circuit resistance of transformer | |
| Utpal et al. | Automatic Power Factor Correction Using Capacitor Banks | |
| JP2012125020A (en) | Voltage regulating device | |
| Mafra et al. | Analysis of the operation of a D-STATCOM in unbalanced distribution systems under voltage disturbances | |
| Praveen et al. | Automatic Power Factor Correction using Capacitor Banks and 8051 Microcontroller | |
| CN111398673A (en) | Power prediction device for low-voltage water resistance | |
| KR200476192Y1 (en) | Current Transformer | |
| CN212675029U (en) | Power prediction device for low-voltage water resistance | |
| Nitulescu et al. | A Solution for Controlling the Parameters of Electricity Consumption in an Intelligent Home | |
| Oancea | Power factor evaluation in data acquisition systems | |
| Biskoping et al. | Inverter based testbench for photovoltaic inverters in compliance with medium-voltage grid codes | |
| Vargas Rios | Local voltage stability assessment for variable load characteristics | |
| Kuzmenko et al. | Measurement of the quality of electricity in the power supply system with LED lighting devices | |
| Vokony et al. | Application Experiences of Low Voltage Inline Voltage Regulator with Significant Photovoltaic Generation | |
| Schmid et al. | On-load voltage regulation in the low voltage grid | |
| CN106226613A (en) | A kind of high-voltage high-power converter test method and pilot system | |
| Badger | Conservation Voltage Reduction in low voltage distribution networks in Ghana |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200214 |
|
| RJ01 | Rejection of invention patent application after publication |