CN106019031A - Testing method of multi-way intelligent online leakage protection not-covered no-power-outage testing device with simple wiring - Google Patents
Testing method of multi-way intelligent online leakage protection not-covered no-power-outage testing device with simple wiring Download PDFInfo
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- CN106019031A CN106019031A CN201610648765.5A CN201610648765A CN106019031A CN 106019031 A CN106019031 A CN 106019031A CN 201610648765 A CN201610648765 A CN 201610648765A CN 106019031 A CN106019031 A CN 106019031A
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- leakage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- 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
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
-
- 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
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a testing method of a multi-way intelligent online leakage protection no-power-outage testing device with simple wiring. According to the method, an intelligent online leakage protection no-power-outage controller is included and connected with multiple sets of testing loops and multiple sets of corresponding relays. The structure is reasonable, wiring is simple, testing and trial jump can be performed on leakage protection on the condition that no power outage is performed on clients, and the power supply reliability and leakage protection integrity are improved; testing can be performed on multiple ways respectively.
Description
The application is application number: 201410346438.5, the applying date: 2014.7.18, the divisional application of title " multi-way intelligence leaks online and protects uninterrupted power test device ".
Technical field
The present invention relates to a kind of multi-way intelligence and leak guarantor's uninterrupted power test device online.
Background technology
Rural power grids RCD (being called for short leakage to protect) the installation and operation code of National Energy Board is pointed out; one of the effective measures being to ensure that low voltage electric network safe operation, reducing or prevent person electric shock casualty accident are protected in rural low voltage network classification installing leakage; the total guarantor in common transformer platform district, rural area should be installed by power supply enterprise; being arranged in the bus of transformer platform area or each bar is maked somebody a mere figurehead on lead-out wire, leakage is protected and is preferably used electromechanical three-phase and four-line protector and meet the combined protector of regulation.Leakage is protected and is required monthly test action characteristic in operational management, and thunderstorm season is tested weekly once.
Protect due to leakage and need routine test, trial jump in operational management, low-voltage customer dead electricity can be caused in operation, reduce power supply reliability and add the Frequent trip that client thinks.
At present, rural comprehensive transformator is divided into multichannel outlet, essentially 3 ~ 5 tunnel outlets substantially, every road outlet is fitted with Lou protecting, and tester every road leakage guarantor is necessary for installing a set of, and wiring change is many, especially for distribution box, clearance spaces is little, often overlaps and all fills tester and just have any problem.
Summary of the invention
It is an object of the invention to provide that a kind of rational in infrastructure, wiring is simple, improve power supply reliability and leakage is protected integrity and can leak guarantor's uninterrupted power test device online by the multi-way intelligence tested respectively of multichannel.
The technical solution of the present invention is:
A kind of multi-way intelligence leaks guarantor's uninterrupted power test device online, it is characterized in that: including that the controller that do not has a power failure is protected in intelligent online leakage, intelligent online leakage is protected the controller that do not has a power failure and is connected to organize test loop and corresponding many group relaies more；The first current sensor that the controller that do not has a power failure includes being connected between catalyst and leakage guarantor device contact is protected in the leakage of described intelligent online, one end of the second current sensor is connected between catalyst and the first current sensor, the other end of the second current sensor and the contact of the first relay connect, the contact phase-connecting wire L1 of the first relay；One leakage currents resistance one end is connected with zero line, and the contact of the other end and the second relay connects, and the contact of the second relay connects phase line on rear side of test loop transformer；First, second relay is in parallel, and a terminal connecting zero line of first, second relay, the other end is connected with controller, controller phase-connecting wire L1, and controller is provided with remote-control communication interface.
Present configuration is reasonable, and wiring is simple, can test leakage guarantor, trial jump in the case of not to client's power-off, improves power supply reliability and integrity is protected in leakage；And can multichannel test respectively.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 protects, for intelligent online leakage, the controller that do not has a power failure in dotted line frame.
Detailed description of the invention
A kind of multi-way intelligence leaks guarantor's uninterrupted power test device online, protects, including intelligent online leakage, the controller that do not has a power failure, and intelligent online leakage is protected the controller that do not has a power failure and is connected to organize test loop and corresponding many group relaies (often 2 relays of group) more；The first current sensor LJ1 that the controller that do not has a power failure includes being connected between catalyst JCQ and leakage guarantor device LBQ contact is protected in the leakage of described intelligent online, one end of the second current sensor LJ2 is connected between catalyst JCQ and the first current sensor LJ1, the other end of the second current sensor LJ2 and the contact of the first relay k1 connect, the contact phase-connecting wire L1 of the first relay k1；One leakage currents resistance R one end is connected with zero line N, and the contact of the other end and the second relay K 2 connects, and the contact of the second relay K 2 connects phase line on rear side of test loop transformer；First, second relay is in parallel, a terminal connecting zero line N of first, second relay, other end phase-connecting wire L1.
The testing sequence of controller of not having a power failure is protected in intelligent online leakage:
1, K1 closes, and LJ1 electric current reduces, and LJ2 electric current increases, and confirms that K1 closes；
2, K2 closes, and leaks guarantor's action, and LJ1 is 0, and LJ2 electric current increases, and confirms leakage guarantor's action；
3, K2 disconnects, and LJ2 reduces, and LJ1 increases, and confirms that leakage is protected and closes；
4, K1 disconnects, and test terminates.
Test automatically can be timed, connect the remote-controlled distant place of order circuit and test and return result；For preventing the short circuit of phase place wrong, intelligent online leakage is protected the controller that do not has a power failure and is protected power supply same phase with leakage, i.e. connects control power supply from leakage is protected；Working power is defaulted as AC220V, and when scene such as catalyst is AC380V, switchable power supply pattern, the data of current sensor send controller to and carry out logical relation judgement；Protect wiring with leakage and only need several (Φ 1 ~ Φ 4)；Φ 5 connects phase line on rear side of test loop transformer (best and L1 homophase).
Multi-channel test order:
Elder generation's Kn-1 adhesive, then Kn-2 adhesive again during test current loop；When exiting test current loop, elder generation's Kn-2 dead electricity, then Kn-1 dead electricity again, disconnect with current loop.Kn-2 with double normally closed be to ensure that reliable.
Claims (6)
1. the simple multi-way intelligence of wiring leaks the method for testing protecting uninterrupted power test device online, it is characterized in that: including that the controller that do not has a power failure is protected in intelligent online leakage, intelligent online leakage is protected the controller that do not has a power failure and is connected to organize test loop and corresponding many group relaies more；The first current sensor that the controller that do not has a power failure includes being connected between catalyst and leakage guarantor device contact is protected in the leakage of described intelligent online, one end of the second current sensor is connected between catalyst and the first current sensor, the other end of the second current sensor and the contact of the first relay connect, the contact phase-connecting wire L1 of the first relay；One leakage currents resistance one end is connected with zero line, and the contact of the other end and the second relay connects, and the contact of the second relay connects phase line on rear side of test loop transformer；First, second relay is in parallel, and a terminal connecting zero line of first, second relay, the other end is connected with controller, controller phase-connecting wire L1, and controller is provided with remote-control communication interface；For preventing the short circuit of phase place wrong, intelligent online leakage is protected the controller that do not has a power failure and is protected power supply same phase with leakage, i.e. connects control power supply from leakage is protected；Working power is defaulted as AC220V, and when scene such as catalyst is AC380V, switchable power supply pattern, the data of current sensor send controller to and carry out logical relation judgement；Protect wiring with leakage and only need Φ 1 ~ Φ 4 four；5th Φ 5 connects phase line on rear side of test loop transformer；
The testing sequence of controller of not having a power failure is protected in intelligent online leakage:
1, K1 closes, and LJ1 electric current reduces, and LJ2 electric current increases, and confirms that K1 closes；
2, K2 closes, and leaks guarantor's action, and LJ1 is 0, and LJ2 electric current increases, and confirms leakage guarantor's action；
3, K2 disconnects, and LJ2 reduces, and LJ1 increases, and confirms that leakage is protected and closes；
4, K1 disconnects, and test terminates.
The simple multi-way intelligence of wiring the most according to claim 1 leaks the method for testing protecting uninterrupted power test device online, it is characterized in that: every group relay has 2 relays.
The simple multi-way intelligence of wiring the most according to claim 1 leaks the method for testing protecting uninterrupted power test device online, it is characterized in that: working power is defaulted as AC220V.
The simple multi-way intelligence of wiring the most according to claim 1 leaks the method for testing protecting uninterrupted power test device online, it is characterized in that: when scene such as catalyst is AC380V, switchable power supply pattern, the data of current sensor send controller to and carry out logical relation judgement.
The simple multi-way intelligence of wiring the most according to claim 1 leaks the method for testing protecting uninterrupted power test device online, it is characterized in that: protects wiring with leakage and only needs Φ 1 ~ Φ 4.
The simple multi-way intelligence of wiring the most according to claim 1 leaks the method for testing protecting uninterrupted power test device online, it is characterized in that: Φ 5 connects phase line on rear side of test loop transformer, with L1 homophase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648765.5A CN106019031A (en) | 2014-07-18 | 2014-07-18 | Testing method of multi-way intelligent online leakage protection not-covered no-power-outage testing device with simple wiring |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648765.5A CN106019031A (en) | 2014-07-18 | 2014-07-18 | Testing method of multi-way intelligent online leakage protection not-covered no-power-outage testing device with simple wiring |
| CN201410346438.5A CN104101765B (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligence leaks guarantor's uninterrupted power test device online |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410346438.5A Division CN104101765B (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligence leaks guarantor's uninterrupted power test device online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106019031A true CN106019031A (en) | 2016-10-12 |
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Family Applications (34)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610647963.XA Withdrawn CN106324386A (en) | 2014-07-18 | 2014-07-18 | Testing method for multipath intelligent on-line residual current operated protective device power cut free testing device |
| CN201610649008.XA Withdrawn CN106291185A (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligence rational in infrastructure leaks the method for testing protecting uninterrupted power test device online |
| CN201610648916.7A Withdrawn CN106019032A (en) | 2014-07-18 | 2014-07-18 | Testing method of intelligent online residual current protector uninterrupted power supply testing device achieving simple wiring |
| CN201610651217.8A Withdrawn CN106324390A (en) | 2014-07-18 | 2014-07-18 | Multi-channel intelligent on-line leakage protection power-on test system for improving leakage protection integrity |
| CN201610648765.5A Withdrawn CN106019031A (en) | 2014-07-18 | 2014-07-18 | Testing method of multi-way intelligent online leakage protection not-covered no-power-outage testing device with simple wiring |
| CN201610649004.1A Withdrawn CN106019033A (en) | 2014-07-18 | 2014-07-18 | Testing method of multi-path intelligent online leakage protection non-outage testing device |
| CN201610651219.7A Withdrawn CN106019142A (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligent online leakage protection non-power-outage testing device with reasonable structure |
| CN201610651261.9A Withdrawn CN106019038A (en) | 2014-07-18 | 2014-07-18 | Multi-channel intelligent online residual current protector uninterrupted power supply testing device achieving simple wiring |
| CN201610653970.0A Pending CN106249026A (en) | 2014-07-18 | 2014-07-18 | One is rational in infrastructure, guarantor's uninterrupted power test method is leaked in wiring the most online |
| CN201610651672.8A Withdrawn CN106019144A (en) | 2014-07-18 | 2014-07-18 | Multi-channel intelligent online residual current protector uninterrupted power supply testing device with reasonable structure |
| CN201610654039.4A Withdrawn CN106291056A (en) | 2014-07-18 | 2014-07-18 | The method of testing of uninterrupted power test device is protected in the online leakage improving leakage guarantor's integrity |
| CN201610648032.1A Withdrawn CN106324387A (en) | 2014-07-18 | 2014-07-18 | Testing method for multipath intelligent on-line residual current operated protective device power cut free testing device |
| CN201610647950.2A Withdrawn CN106291052A (en) | 2014-07-18 | 2014-07-18 | A kind of can leak guarantor's uninterrupted power test device online by the multi-way intelligence tested respectively of multichannel |
| CN201610649794.3A Withdrawn CN106291053A (en) | 2014-07-18 | 2014-07-18 | The online leakage tested respectively of multichannel can protect the method for testing of uninterrupted power test device |
| CN201610651222.9A Withdrawn CN106291347A (en) | 2014-07-18 | 2014-07-18 | The multi-way intelligence improving power supply reliability leaks guarantor's uninterrupted power test device online |
| CN201410346438.5A Active CN104101765B (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligence leaks guarantor's uninterrupted power test device online |
| CN201610648037.4A Withdrawn CN106324388A (en) | 2014-07-18 | 2014-07-18 | Test method of reliably-powered multi-channel intelligent online leakage protector power-on test device |
| CN201610648036.XA Withdrawn CN106019030A (en) | 2014-07-18 | 2014-07-18 | Testing method of intelligent online leakage protector non-outage testing device |
| CN201610648757.0A Withdrawn CN106324389A (en) | 2014-07-18 | 2014-07-18 | Online leakage protection live-line testing method capable of achieving multichannel testing independently |
| CN201510420539.7A Withdrawn CN105093009A (en) | 2014-07-18 | 2014-07-18 | Multi-path intelligent on-line leakage protection uninterruptible-power-supply testing apparatus capable of improving power supply reliability |
| CN201610654040.7A Withdrawn CN106324391A (en) | 2014-07-18 | 2014-07-18 | Simple-wiring multipath intelligent online leakage protection no-power-failure testing device |
| CN201610651207.4A Withdrawn CN106019036A (en) | 2014-07-18 | 2014-07-18 | Testing method of intelligent online residual current device outage-free testing device |
| CN201610647592.5A Withdrawn CN106291184A (en) | 2014-07-18 | 2014-07-18 | The method of testing protecting uninterrupted power test device is leaked in rational in infrastructure, wiring the most online |
| CN201610648768.9A Withdrawn CN106019141A (en) | 2014-07-18 | 2014-07-18 | Testing method of intelligent online residual current protector uninterrupted power supply testing device with reasonable structure |
| CN201610651262.3A Withdrawn CN106291054A (en) | 2014-07-18 | 2014-07-18 | A kind of multi-way intelligence leaks guarantor's uninterrupted power test device online |
| CN201610648033.6A Withdrawn CN106019029A (en) | 2014-07-18 | 2014-07-18 | Multi-way online leakage protection non-power-outage testing device with reasonable structure and simple wiring |
| CN201610650394.4A Withdrawn CN106019035A (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligent on-line leakage protector uninterrupted testing device for improving leakage protector integrity |
| CN201610649799.6A Withdrawn CN106019034A (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligent online leakage protection non-power-outage testing device capable of achieving multi-way respective testing |
| CN201610651221.4A Withdrawn CN106019037A (en) | 2014-07-18 | 2014-07-18 | Testing method of reliable-power-supply intelligent online leakage-protector poweroff-free testing device |
| CN201610651681.7A Withdrawn CN106291055A (en) | 2014-07-18 | 2014-07-18 | A kind of multi-way intelligence leaks the multi-channel test method protecting uninterrupted power test device online |
| CN201610651246.4A Withdrawn CN106019143A (en) | 2014-07-18 | 2014-07-18 | Multi-channel intelligent online residual current protector uninterrupted power supply testing device with reasonable and simple structure |
| CN201510420536.3A Withdrawn CN105044510A (en) | 2014-07-18 | 2014-07-18 | Multi-channel intelligent online leakage protection uninterruptible test device with simple wiring and rational structure |
| CN201610648758.5A Withdrawn CN106054007A (en) | 2014-07-18 | 2014-07-18 | Multi-channel test method of multichannel intelligent on-line leakage-protection uninterrupted power test device |
| CN201610648769.3A Withdrawn CN106291346A (en) | 2014-07-18 | 2014-07-18 | A kind of multi-way intelligence improving power supply reliability leaks guarantor's uninterrupted power test device online |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610647963.XA Withdrawn CN106324386A (en) | 2014-07-18 | 2014-07-18 | Testing method for multipath intelligent on-line residual current operated protective device power cut free testing device |
| CN201610649008.XA Withdrawn CN106291185A (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligence rational in infrastructure leaks the method for testing protecting uninterrupted power test device online |
| CN201610648916.7A Withdrawn CN106019032A (en) | 2014-07-18 | 2014-07-18 | Testing method of intelligent online residual current protector uninterrupted power supply testing device achieving simple wiring |
| CN201610651217.8A Withdrawn CN106324390A (en) | 2014-07-18 | 2014-07-18 | Multi-channel intelligent on-line leakage protection power-on test system for improving leakage protection integrity |
Family Applications After (29)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610649004.1A Withdrawn CN106019033A (en) | 2014-07-18 | 2014-07-18 | Testing method of multi-path intelligent online leakage protection non-outage testing device |
| CN201610651219.7A Withdrawn CN106019142A (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligent online leakage protection non-power-outage testing device with reasonable structure |
| CN201610651261.9A Withdrawn CN106019038A (en) | 2014-07-18 | 2014-07-18 | Multi-channel intelligent online residual current protector uninterrupted power supply testing device achieving simple wiring |
| CN201610653970.0A Pending CN106249026A (en) | 2014-07-18 | 2014-07-18 | One is rational in infrastructure, guarantor's uninterrupted power test method is leaked in wiring the most online |
| CN201610651672.8A Withdrawn CN106019144A (en) | 2014-07-18 | 2014-07-18 | Multi-channel intelligent online residual current protector uninterrupted power supply testing device with reasonable structure |
| CN201610654039.4A Withdrawn CN106291056A (en) | 2014-07-18 | 2014-07-18 | The method of testing of uninterrupted power test device is protected in the online leakage improving leakage guarantor's integrity |
| CN201610648032.1A Withdrawn CN106324387A (en) | 2014-07-18 | 2014-07-18 | Testing method for multipath intelligent on-line residual current operated protective device power cut free testing device |
| CN201610647950.2A Withdrawn CN106291052A (en) | 2014-07-18 | 2014-07-18 | A kind of can leak guarantor's uninterrupted power test device online by the multi-way intelligence tested respectively of multichannel |
| CN201610649794.3A Withdrawn CN106291053A (en) | 2014-07-18 | 2014-07-18 | The online leakage tested respectively of multichannel can protect the method for testing of uninterrupted power test device |
| CN201610651222.9A Withdrawn CN106291347A (en) | 2014-07-18 | 2014-07-18 | The multi-way intelligence improving power supply reliability leaks guarantor's uninterrupted power test device online |
| CN201410346438.5A Active CN104101765B (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligence leaks guarantor's uninterrupted power test device online |
| CN201610648037.4A Withdrawn CN106324388A (en) | 2014-07-18 | 2014-07-18 | Test method of reliably-powered multi-channel intelligent online leakage protector power-on test device |
| CN201610648036.XA Withdrawn CN106019030A (en) | 2014-07-18 | 2014-07-18 | Testing method of intelligent online leakage protector non-outage testing device |
| CN201610648757.0A Withdrawn CN106324389A (en) | 2014-07-18 | 2014-07-18 | Online leakage protection live-line testing method capable of achieving multichannel testing independently |
| CN201510420539.7A Withdrawn CN105093009A (en) | 2014-07-18 | 2014-07-18 | Multi-path intelligent on-line leakage protection uninterruptible-power-supply testing apparatus capable of improving power supply reliability |
| CN201610654040.7A Withdrawn CN106324391A (en) | 2014-07-18 | 2014-07-18 | Simple-wiring multipath intelligent online leakage protection no-power-failure testing device |
| CN201610651207.4A Withdrawn CN106019036A (en) | 2014-07-18 | 2014-07-18 | Testing method of intelligent online residual current device outage-free testing device |
| CN201610647592.5A Withdrawn CN106291184A (en) | 2014-07-18 | 2014-07-18 | The method of testing protecting uninterrupted power test device is leaked in rational in infrastructure, wiring the most online |
| CN201610648768.9A Withdrawn CN106019141A (en) | 2014-07-18 | 2014-07-18 | Testing method of intelligent online residual current protector uninterrupted power supply testing device with reasonable structure |
| CN201610651262.3A Withdrawn CN106291054A (en) | 2014-07-18 | 2014-07-18 | A kind of multi-way intelligence leaks guarantor's uninterrupted power test device online |
| CN201610648033.6A Withdrawn CN106019029A (en) | 2014-07-18 | 2014-07-18 | Multi-way online leakage protection non-power-outage testing device with reasonable structure and simple wiring |
| CN201610650394.4A Withdrawn CN106019035A (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligent on-line leakage protector uninterrupted testing device for improving leakage protector integrity |
| CN201610649799.6A Withdrawn CN106019034A (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligent online leakage protection non-power-outage testing device capable of achieving multi-way respective testing |
| CN201610651221.4A Withdrawn CN106019037A (en) | 2014-07-18 | 2014-07-18 | Testing method of reliable-power-supply intelligent online leakage-protector poweroff-free testing device |
| CN201610651681.7A Withdrawn CN106291055A (en) | 2014-07-18 | 2014-07-18 | A kind of multi-way intelligence leaks the multi-channel test method protecting uninterrupted power test device online |
| CN201610651246.4A Withdrawn CN106019143A (en) | 2014-07-18 | 2014-07-18 | Multi-channel intelligent online residual current protector uninterrupted power supply testing device with reasonable and simple structure |
| CN201510420536.3A Withdrawn CN105044510A (en) | 2014-07-18 | 2014-07-18 | Multi-channel intelligent online leakage protection uninterruptible test device with simple wiring and rational structure |
| CN201610648758.5A Withdrawn CN106054007A (en) | 2014-07-18 | 2014-07-18 | Multi-channel test method of multichannel intelligent on-line leakage-protection uninterrupted power test device |
| CN201610648769.3A Withdrawn CN106291346A (en) | 2014-07-18 | 2014-07-18 | A kind of multi-way intelligence improving power supply reliability leaks guarantor's uninterrupted power test device online |
Country Status (1)
| Country | Link |
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| CN (34) | CN106324386A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107727982A (en) * | 2017-11-29 | 2018-02-23 | 国家电网公司 | It is a kind of to realize that the device and method for the experiment that do not have a power failure is protected in leakage by bypass circuit afterflow |
| CN110246727B (en) * | 2019-06-29 | 2024-05-24 | 广东利元亨智能装备股份有限公司 | Direct current contactor production line |
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