CN106324388A - Test method of reliably-powered multi-channel intelligent online leakage protector power-on test device - Google Patents
Test method of reliably-powered multi-channel intelligent online leakage protector power-on test device Download PDFInfo
- Publication number
- CN106324388A CN106324388A CN201610648037.4A CN201610648037A CN106324388A CN 106324388 A CN106324388 A CN 106324388A CN 201610648037 A CN201610648037 A CN 201610648037A CN 106324388 A CN106324388 A CN 106324388A
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- Prior art keywords
- leakage
- controller
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Classifications
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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
- 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
- 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
-
- 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 test method of a reliably-powered multi-channel intelligent online leakage protector power-on test device. The test device comprises an intelligent online leakage protector power-on controller, and the intelligent online leakage protector power-on controller is connected with multiple groups of test loops and multiple groups of corresponding relays. The test device is reasonable in structure and simple in wiring. With the device, test and trial tripping can be conducted on a leakage protector under the condition that power supply to a corresponding customer is not cut off. The reliability of power supply and the integrity of leakage protectors are improved. Test can be carried out independently in the multiple channels.
Description
The application is application number: " multi-way intelligence leaks guarantor online for 201410346438.5, the applying date: 2014.7.18, title
Uninterrupted power test device " divisional application.
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, agriculture
Village's low voltage electric network classification installing leakage is protected and is to ensure that low voltage electric network safe operation, reduces or prevents person electric shock casualty accident
One of effective measures, the total guarantor in common transformer platform district, rural area should be installed by power supply enterprise, is arranged on the bus of transformer platform area
Upper or each bar is maked somebody a mere figurehead on lead-out wire, and leakage is protected and preferably used electromechanical three-phase and four-line protector and meet the combination type guarantor of regulation
Protect device.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, fall
Low 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, and the outlet of every road is fitted with
Leakage is protected, and tester every road leakage guarantor is necessary for installing a set of, and wiring becomes many, and especially for distribution box, clearance spaces is little, often
Set all fills tester and just has any problem.
Summary of the invention
It is an object of the invention to provide a kind of rational in infrastructure, wiring simple, improve power supply reliability and leakage protect integrity,
And guarantor's uninterrupted power test device can be leaked 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: include 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 leakage of described intelligent online is protected not
Power failure controller includes being connected on catalyst and the first current sensor between device contact, one end of the second current sensor are protected in leakage
Being 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, touching of the other end and the second relay
Point 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 first, second
One terminal connecting zero line of 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, in the case of not to client's power-off, leakage guarantor can be tested, be tried
Jump, improve 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 the controller that do not has a power failure, intelligence including intelligent online leakage
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；Described intelligence
Can leak online and protect the first current sensor that the controller that do not has a power failure includes being connected between catalyst JCQ and leakage guarantor device LBQ contact
LJ1, an end of the second current sensor LJ2 is connected between catalyst JCQ and the first current sensor LJ1, the second current sense
The other end of device LJ2 and the contact of the first relay k1 connect, the contact phase-connecting wire L1 of the first relay k1；One leakage current electricity
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 to be tested back
Phase line on rear side of the transformer of road；First, second relay is in parallel, and a terminal connecting zero line N of first, second relay, another terminates phase
Line 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 phase place from connecing
Wrong short circuit, 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
Being defaulted as AC220V, when scene such as catalyst is AC380V, switchable power supply pattern, the data of current sensor send control to
Device carries 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 (
Get well and L1 homophase).
Multi-channel test order:
Elder generation's Kn-1 adhesive, then Kn-2 adhesive again during test current loop；Elder generation's Kn-2 dead electricity when exiting test current loop, then
Kn-1 dead electricity again, disconnects with current loop.Kn-2 with double normally closed be to ensure that reliable.
Claims (6)
1. reliable multi-way intelligence of powering leaks the method for testing protecting uninterrupted power test device online, it is characterized in that: include intelligence
Guarantor can be leaked online do not have a power failure controller, intelligent online leakage protect the controller that do not has a power failure be connected to organize test loop more and corresponding many groups continue
Electrical equipment；The first current sense 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
Device, an end of the second current sensor is connected between catalyst and the first current sensor, the other end of the second current sensor
It is connected with the contact of the first relay, the contact phase-connecting wire L1 of the first relay；One leakage currents resistance one end is connected with zero line,
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；The first,
Two relays are in parallel, a terminal connecting zero line of first, second relay, and the other end is connected with controller, controller phase-connecting wire L1, control
Device processed is provided with remote-control communication interface；Working power is defaulted as AC220V, when scene such as catalyst is AC380V, and switchable power supply mould
Formula, the data of current sensor send controller to and carry out logical relation judgement；
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 reliable multi-way intelligence of power supply 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 reliable multi-way intelligence of power supply 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 reliable multi-way intelligence of power supply 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 enter
Row logical relation judges.
The reliable multi-way intelligence of power supply the most according to claim 1 leaks the method for testing protecting uninterrupted power test device online,
It is characterized in that: protect wiring with leakage and only need Φ 1 ~ Φ 4.
The reliable multi-way intelligence of power supply 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 |
|---|---|---|---|
| CN201610648037.4A CN106324388A (en) | 2014-07-18 | 2014-07-18 | Test method of reliably-powered multi-channel intelligent online leakage protector power-on test device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648037.4A CN106324388A (en) | 2014-07-18 | 2014-07-18 | Test method of reliably-powered multi-channel intelligent online leakage protector power-on test device |
| 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 |
|---|---|
| CN106324388A true CN106324388A (en) | 2017-01-11 |
Family
ID=51670081
Family Applications (34)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN201610648757.0A Withdrawn CN106324389A (en) | 2014-07-18 | 2014-07-18 | Online leakage protection live-line testing method capable of achieving multichannel testing independently |
| CN201610649004.1A Withdrawn CN106019033A (en) | 2014-07-18 | 2014-07-18 | Testing method of multi-path intelligent online leakage protection non-outage testing device |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN201610651207.4A Withdrawn CN106019036A (en) | 2014-07-18 | 2014-07-18 | Testing method of intelligent online residual current device outage-free testing device |
| 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 |
| 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 |
| CN201610648036.XA Withdrawn CN106019030A (en) | 2014-07-18 | 2014-07-18 | Testing method of intelligent online leakage protector non-outage testing device |
| CN201610654040.7A Withdrawn CN106324391A (en) | 2014-07-18 | 2014-07-18 | Simple-wiring multipath intelligent online leakage protection no-power-failure 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 |
| CN201410346438.5A Active CN104101765B (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligence leaks guarantor's uninterrupted power test device online |
| 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 |
| 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 |
Family Applications Before (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN201610648757.0A Withdrawn CN106324389A (en) | 2014-07-18 | 2014-07-18 | Online leakage protection live-line testing method capable of achieving multichannel testing independently |
| CN201610649004.1A Withdrawn CN106019033A (en) | 2014-07-18 | 2014-07-18 | Testing method of multi-path intelligent online leakage protection non-outage testing device |
Family Applications After (26)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN201610651207.4A Withdrawn CN106019036A (en) | 2014-07-18 | 2014-07-18 | Testing method of intelligent online residual current device outage-free testing device |
| 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 |
| 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 |
| CN201610648036.XA Withdrawn CN106019030A (en) | 2014-07-18 | 2014-07-18 | Testing method of intelligent online leakage protector non-outage testing device |
| CN201610654040.7A Withdrawn CN106324391A (en) | 2014-07-18 | 2014-07-18 | Simple-wiring multipath intelligent online leakage protection no-power-failure 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 |
| CN201410346438.5A Active CN104101765B (en) | 2014-07-18 | 2014-07-18 | Multi-way intelligence leaks guarantor's uninterrupted power test device online |
| 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 |
| 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 |
Country Status (1)
| Country | Link |
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| CN (34) | CN106019037A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Application publication date: 20170111 |