CN109189045A - Do not have a power failure and verifies distant control function tooling and system - Google Patents

Do not have a power failure and verifies distant control function tooling and system Download PDF

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Publication number
CN109189045A
CN109189045A CN201811022150.7A CN201811022150A CN109189045A CN 109189045 A CN109189045 A CN 109189045A CN 201811022150 A CN201811022150 A CN 201811022150A CN 109189045 A CN109189045 A CN 109189045A
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CN
China
Prior art keywords
relay
tooling
controller
control circuit
remote control
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
Application number
CN201811022150.7A
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Chinese (zh)
Inventor
张明明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Shaoguan Power Supply Bureau Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Shaoguan Power Supply Bureau Guangdong Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Shaoguan Power Supply Bureau Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN201811022150.7A priority Critical patent/CN109189045A/en
Publication of CN109189045A publication Critical patent/CN109189045A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00Testing or monitoring of control systems or parts thereof
    • G05B23/02Electric testing or monitoring
    • G05B23/0205Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327Testing of circuit interrupters, switches or circuit-breakers

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The present invention provides not having a power failure to verify distant control function tooling and system, which includes relay, connecting line and plug;Wherein, plug includes standard aviation plug and adaptive plug;Whether tooling is connected in controller remote control circuit, normal for access control device remote control circuit function;When controller remote control circuit function is normal, relay can be normally attracted;When controller remote control circuit function is abnormal, relay cannot be normally attracted;Plug, for tooling to be plugged in controller remote control circuit by connecting line.By this way, whether normal it can carry out access control device remote control circuit in the case where not having a power failure, it is ensured that controller is remotely controlled output loop and works normally, and the reliability of power supply can be improved in this way.

Description

Do not have a power failure and verifies distant control function tooling and system
Technical field
The present invention relates to the verification technique fields that do not have a power failure, and verify distant control function tooling and system more particularly, to not having a power failure.
Background technique
The distant control function of various switches needs periodically to carry out functional verification after putting into operation, because each when partial switch puts into operation in addition Aspect reason, distant control function are not put into.If needing to have a power failure in the switch verifying distant control function to have put into operation, confession is seriously affected Electric reliability.
Summary of the invention
In view of this, the purpose of the present invention is to provide not having a power failure to verify distant control function tooling and system, what is do not powered off In the case of, whether normal, improve the reliability of power supply if carrying out access control device remote control circuit.
In a first aspect, the present invention provides not having a power failure to verify distant control function tooling, the tooling include relay, connecting line and Plug;Wherein, plug includes standard aviation plug and adaptive plug;The tooling is connected in controller remote control circuit, is used for Whether access control device remote control circuit function is normal;When controller remote control circuit function is normal, relay can be normally attracted; When controller remote control circuit function is abnormal, relay cannot be normally attracted;Plug, for the tooling to be passed through connecting line It is plugged in controller remote control circuit.
Further, relay includes common relay and latch-in relay.
Further, latch-in relay includes MY2K relay and DC24V relay.
Further, common relay includes LY2NJ relay and AC220V relay.
Further, latch-in relay includes set coil and Self-resetting coil;Set coil access controller closes a floodgate; Self-resetting coil access controller separating brake.
Further, common relay includes auxiliary contact and control coil;It is distant to close quartile for relay for auxiliary contact Letter input;Control coil closes quartile remote signalling output for relay.
Further, above-mentioned tooling further includes FTU, DTU and distribution main website;FTU and DTU closes quartile for acquiring relay Remote signals;Distribution main website closes quartile remote signals for receiving relay and shows that relay closes quartile remote signalling;Work as controller When remote control circuit function is normal, distribution main website can normally show that relay closes quartile remote signalling;When controller remote control circuit function When abnormal, distribution main website cannot normally show that relay closes quartile remote signalling.
Further, which further includes indicator light;Indicator light is used for the Ke Yizheng when controller remote control circuit is normal Often display, when controller remote control circuit is abnormal, it is not possible to normal display.
Further, which further includes current transformer;Current transformer includes electric current testing terminal, for showing this The electric current registration of relay in tooling.
Second aspect, the embodiment of the invention provides not having a power failure to verify distant control function system, the system include it is above-mentioned not Power failure access control device is remotely controlled tooling and controller remote control circuit, further includes distribution main website.
The embodiment of the present invention bring it is following the utility model has the advantages that
It is provided in an embodiment of the present invention the present invention provides not having a power failure to verify distant control function tooling and system, which includes Relay, connecting line and plug;Wherein, plug includes standard aviation plug and adaptive plug;It is distant that tooling is connected to controller It controls in circuit, it is whether normal for access control device remote control circuit function;When controller remote control circuit function is normal, relay It can normally be attracted;When controller remote control circuit function is abnormal, relay cannot be normally attracted;Plug is used for work Dress is plugged in controller remote control circuit by connecting line.By this way, access control can be carried out in the case where not having a power failure Whether device remote control circuit is normal, it is ensured that controller is remotely controlled output loop and works normally, and the reliability of power supply can be improved in this way.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those skilled in the art, without creative efforts, It is also possible to obtain other drawings based on these drawings.
Fig. 1 is that provided in an embodiment of the present invention do not have a power failure verifies the structural schematic diagram of distant control function tooling;
Fig. 2 is tooling elementary diagram provided in an embodiment of the present invention;
Fig. 3 is another tooling elementary diagram provided in an embodiment of the present invention;
Fig. 4 is that provided in an embodiment of the present invention do not have a power failure verifies the structural schematic diagram of distant control function system.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than Whole embodiments.Based on the embodiments of the present invention, those skilled in the art institute without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, the switch verifying distant control function to have put into operation needs to have a power failure, the reliability of power supply is seriously affected in this way;It is based on This, is the present invention provides not having a power failure to verify distant control function tooling and system, using relay come analog switch, using the tooling, The effect verifying distant control function that do not have a power failure may be implemented.
To verify distant control function to not having a power failure disclosed in the embodiment of the present invention first convenient for understanding the present embodiment Tooling describes in detail.
Embodiment 1:
Fig. 1 is that provided in an embodiment of the present invention do not have a power failure verifies the structural schematic diagram of distant control function tooling.
Referring to Fig. 1, which includes relay 110 and plug 111;Wherein, the plug include standard aviation plug and Adaptive plug;The tooling 11 is connected in controller remote control circuit 10, whether is used for 10 function of access control device remote control circuit Normally;When 10 function of controller remote control circuit is normal, relay 110 can be normally attracted;When 10 function of controller remote control circuit When can be abnormal, relay 110 cannot be normally attracted;Plug 111, for tooling 11 to be plugged on controller remote control circuit 10 In.
Specifically, above-mentioned plug 111 includes that 10 core states net defines aviation plug, and aviation plug is one kind of connector, When selecting aviation plug, to consider the insulation resistance of aviation plug, resistance to pressure, flammability, mechanical parameter, mechanical life, connect Touching is to number and pin hole, connection type, environmental parameter, environment temperature, atmospheric pressure etc.;Aviation plug is connecting circuit route Electromechanical compo, therefore the electric parameter of aviation plug itself is that selection aviation plug first has to consider the problems of, including specified Voltage, rated current, contact resistance and shielding etc..The selection mode connector of aviation plug connecting terminal is connection electric wire The electromechanical compo on road, therefore the electrical parameter of connector itself is that selection connector first has to consider the problems of.Correct selection and It the use of electric connector is an importance for guaranteeing circuit reliability;1, electric parameter requirement: connector is connection electric wire The electromechanical compo on road, therefore the electric parameter of connector itself is that selection connector first has to consider the problems of.2, voltage rating, Electric current: different most senior engineers can be used according to different use environment and safety requirements in the identical pressure-resistant index of aviation plug Make voltage.Rated current is limited, the temperature rise that in fact limit electrical connector interior is no more than the specified value of design.It is selecting When it is noted that the problem of be: for multi-core electrical connector, rated current must drop volume use.3, mounting means and shape: boat The shape of blind plug connecting terminal is ever-changing, and user is mainly consolidating from straight type, the outer diameter of curved, electric wire or cable and shell Provisioning request, whether volume, weight, which need to connect metal hose etc., is selected, also to the electric connector used on panel It to be selected from beautiful, moulding and color etc..
Above-mentioned relay 110 includes intermediate relay, and intermediate relay uses the lower multiple quality seals of coil voltage Miniature relay is composed, have the characteristics that it is moisture-proof, dust-proof, do not break and high reliablity, overcome relay among electromagnetic type The shortcomings that device conducting wire meticulous easy broken string and small power consumption, temperature rise are low, are not required to outer attached high-power resistance, can arbitrarily install and line Convenient feature.Intermediate relay is used in various protections and automatic control circuit, to increase the contact of protection with control loop Quantity and contact capacity.
Specifically, in access control device remote control circuit, there is input circuit and output loop using relay 110, One kind " automatic switch " of control larger current can be flowed away with small electric, so relay 110 is connected to controller remote control In circuit, when controller remote control circuit function is normal, output loop be can work normally, obviously can intuitively see after Electric appliance 110 can be attracted;Conversely, relay 110 cannot be attracted.
It is provided in an embodiment of the present invention the present invention provides not having a power failure to verify distant control function tooling, which includes relay Device, connecting line and plug;Wherein, plug includes standard aviation plug and adaptive plug;Tooling is connected to controller and is remotely controlled back Whether Lu Zhong is normal for access control device remote control circuit function;When controller remote control circuit function is normal, relay can be with It is normal to be attracted;When controller remote control circuit function is abnormal, relay cannot be normally attracted;Plug, for leading to tooling Connecting line is crossed to be plugged in controller remote control circuit.By this way, it is distant can to carry out access control device in the case where not having a power failure Whether normal control circuit, it is ensured that controller is remotely controlled output loop and works normally, and the reliability of power supply can be improved in this way.
Embodiment 2:
To be adapted to two kinds of switches, the present invention uses different intermediate relays, to switch suitable for VSP5, using common LY2NJ relay and common AC220V relay;For suitable for common spring operation organization switch, using self-sustaining MY2K relay and Self-sustaining DC24V relay.
Specifically, vacuum automatic distribution switch VSP5 has the characteristics that unique " incoming call is closed, discharged without pressure ", aims at and matches Electric automation design thoroughly avoids the requirement for needing mating large-capacity battery;Vacuum extinction, SF6 external insulation, cut-off with brilliance Performance;Arc extinguishing and the design of dielectric non-oil ultra high vacuum system, have high security;Built-in isolation fracture is switched, is connected with vacuum interrupter Linkage, greatly increases the safety of switch;Manual and electric integrated design facilitates installation, that is, can be used alone, and expansible To automation application, the high feature of efficiency of investment.So can use LY2NJ relay can be used for the small-sized of high power switch The characteristics of general-purpose relay, to be suitable for VSP5 switch.
Further, pull operation mechanism switch carries out energy pre-storage to spring using the motor of AC and DC, utilizes spring It can be carried out breaking-closing operating;Electricity is connected using self-sustaining MY2K pulling relay coil terminal (No. 13 terminals and No. 14 terminals) Source, pull-in winding iron core generate magnetism, and adhesive armature simultaneously drives movable contact to act, and break contact (normally-closed contact) disconnects, dynamic circuit connector Contact (normally opened contact) closure, coil blackout contact then opposite action.
Further, latch-in relay includes set coil and Self-resetting coil;Set coil accesses the controller It closes a floodgate;Self-resetting coil access controller separating brake.Latch-in relay has two groups of coils, and one group is used to act, and one group for protecting It holds;Two coils of set coil and resetting coil constitute latch-in relay.
Further, common relay includes auxiliary contact and control coil;It is distant to close quartile for relay for auxiliary contact Letter input;Control coil closes quartile remote signalling output for relay.The relay auxiliary contact is used to analog switch auxiliary contact Quartile remote signalling input is closed as relay, it is defeated as relay conjunction quartile remote signalling that relay control coil is used to analog switch coil Out.
Further, above-mentioned tooling further includes FTU, DTU and distribution main website;FTU and DTU divides for acquiring relay and closing Position remote signals;Distribution main website closes quartile remote signals for receiving relay and shows that relay closes quartile remote signalling;Work as control When device remote control circuit function is normal, distribution main website can normally show that relay closes quartile remote signalling;When controller remote control circuit function When can be abnormal, distribution main website cannot normally show that relay closes quartile remote signalling.
Specifically, FTU and DTU has remote control, remote signalling and fault detection capability, and communicates with power distribution automation main station, mentions Power supply-distribution system operating condition and various parameters monitor control information needed, including switch state, electrical energy parameter, alternate event Parameter when barrier, ground fault and failure, and the order that distribution main website issues is executed, controller switching equipment memory is adjusted and is controlled System realizes the functions such as fault location, Fault Isolation and non-faulting region fast recovery of power supply;
Further, which further includes indicator light;Indicator light is used for the Ke Yizheng when controller remote control circuit is normal Often display, when controller remote control circuit is abnormal, it is not possible to normal display.The indicator light is used to reflect the working condition of circuit The working condition (operation is stopped transport or tested) of (having electricity or without electricity), electrical equipment and location status (closing or opening) etc.;It is logical Often, it is made of, is also had using light emitting diode lamp cap, light bulb, lampshade and connecting wire etc. using the indicator light of incandescent light source Make indicator light, it is generally normal with green light instruction controller remote control circuit, it is abnormal with red light instruction controller remote control circuit.
Further, which further includes current transformer;Current transformer includes electric current testing terminal, for showing State the electric current registration of relay described in tooling.In general, all very littles of the electric current in relay circuit, when in relay circuit Electric current it is excessive when, which can be abnormal.So needing manually to be checked when electric current is excessive in circuit.
Fig. 2 is tooling elementary diagram provided in an embodiment of the present invention;Fig. 3 is another tooling provided in an embodiment of the present invention Elementary diagram.
Referring to fig. 2, the terminal tooling which is switch VSP5, figure b is the circuit diagram of the relay in Fig. 2, is referring to table 1 10 core aviation plug seated connection lines are defined;Multiple aviation sockets and multiple groups controller terminal, the control are shown in the schematic diagram Device terminal processed can be connect with the terminal of controller;Referring to Fig. 3, the terminal tooling which is switch ZW20, in Fig. 3 figure b be after The circuit diagram of electric appliance is that 10 core aviation plug seated connection lines are defined referring to table 2;Multiple aviation sockets are shown in the schematic diagram With multiple groups controller terminal, which can connect with the terminal of controller.
Table 1
Aviation socket Definition Controller terminal
1 Coincidence X-1
2 It is spare X-2
3 It is spare X-3
4 It is spare X-4
5 It is spare X-5
6 Remote signalling common end X-6
7 Close a floodgate output AC220V-N X-7
8 Close a floodgate output AC220V-L X-8
9 It is spare X-9
10 It is spare X-10
Table 2
Aviation socket Definition Controller terminal
1 Coincidence X-1
2 Quartile X-2
3 Energy storage CN- X-3
4 Energy storage CN+ X-4
5 Non- energy storage position X-5
6 Remote signalling common end X-6
7 Close a floodgate output DC24V- X-7
8 Close a floodgate output DC24V+ X-8
9 Separating brake exports DC24V- X-9
10 Close a floodgate output DC24V+ X-10
Embodiment 3:
Fig. 4 is that provided in an embodiment of the present invention do not have a power failure verifies the structural schematic diagram of distant control function system.
Referring to fig. 4, which includes sequentially connected controller remote control circuit 10, the access control device that do not have a power failure remote control tooling 11 and distribution main website 40;Panel switches monitor terminal FTU and DTU have remote control, remote signalling and fault detection capability, and and distribution Main website 40 communicates, and provides distribution system operating condition and various parameters and detects control information needed, including switch state, electric energy Parameter when parameter, phase-to phase fault, ground fault and failure, and execute the order that distribution main website issues, to controller switching equipment into Row regulation and control realizes the functions such as fault location, Fault Isolation and non-faulting region fast recovery of power supply.
It is provided in an embodiment of the present invention the present invention provides not having a power failure to verify distant control function tooling and system, which includes Relay, connecting line and plug;Wherein, plug includes standard aviation plug and adaptive plug;It is distant that tooling is connected to controller It controls in circuit, it is whether normal for access control device remote control circuit function;When controller remote control circuit function is normal, relay It can normally be attracted;When controller remote control circuit function is abnormal, relay cannot be normally attracted;Plug is used for work Dress is plugged in controller remote control circuit by connecting line.By this way, access control can be carried out in the case where not having a power failure Whether device remote control circuit is normal, it is ensured that controller is remotely controlled output loop and works normally, and the reliability of power supply can be improved in this way.
Provided in an embodiment of the present invention do not have a power failure verifies distant control function system, with the verifying provided by the above embodiment that do not have a power failure Distant control function tooling technical characteristic having the same reaches identical technical effect so also can solve identical technical problem.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.To those skilled in the art, above-mentioned term can be understood in the present invention with concrete condition Concrete meaning.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that above embodiments, only a specific embodiment of the invention, to illustrate skill of the invention Art scheme, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to the present invention into Go detailed description, it should be understood by those skilled in the art that: anyone skilled in the art takes off in the present invention In the technical scope of dew, it can still modify to technical solution documented by previous embodiment or can readily occur in change Change or equivalent replacement of some of the technical features;And these modifications, variation or replacement, do not make relevant art Scheme essence be detached from technical solution of the embodiment of the present invention spirit and scope, should all cover protection scope of the present invention it It is interior.Therefore, protection scope of the present invention should be subject to the protection scope in claims.

Claims (10)

1. one kind, which does not have a power failure, verifies distant control function tooling, which is characterized in that including relay, connecting line and plug;Wherein, described Plug includes standard aviation plug and adaptive plug;
Whether the tooling is connected in controller remote control circuit, normal for verifying the controller remote control circuit function;
When the controller remote control circuit function is normal, the relay can be normally attracted;When the controller is remotely controlled back When road function is abnormal, the relay cannot be normally attracted;
The plug, for the tooling to be plugged in the controller remote control circuit by the connecting line.
2. tooling according to claim 1, which is characterized in that the relay includes common relay and self-sustaining relay Device.
3. tooling according to claim 2, which is characterized in that the latch-in relay include MY2K relay and DC24V relay.
4. tooling according to claim 2, which is characterized in that the common relay include LY2NJ relay and AC220V relay.
5. tooling according to claim 3, which is characterized in that the latch-in relay includes set coil and Self-resetting Coil;
The set coil accesses the controller and closes a floodgate;The Self-resetting coil accesses the controller separating brake.
6. tooling according to claim 4, which is characterized in that the common relay includes auxiliary contact and control line Circle;
The auxiliary contact close quartile remote signalling input for the relay;
The control coil closes quartile remote signalling output for the relay.
7. tooling according to claim 1 or 6, which is characterized in that the tooling further includes FTU, DTU and distribution main website;
The FTU and DTU closes quartile remote signals for acquiring the relay;The distribution main website, for receiving Relay is stated to close quartile remote signals and show that the relay closes quartile remote signalling;
When the controller remote control circuit function is normal, it is distant that the distribution main website can normally show that the relay closes quartile Letter;
When the controller remote control circuit function is abnormal, the distribution main website cannot normally show that the relay closes and divide Position remote signalling.
8. tooling according to claim 1, which is characterized in that the tooling further includes indicator light;
The indicator light, for can normally show, when the controller is remotely controlled back when the controller remote control circuit is normal When road is abnormal, it is not possible to normal display.
9. tooling according to claim 1, which is characterized in that the tooling further includes current transformer;
The current transformer includes electric current testing terminal, for showing the electric current registration of relay described in the tooling.
10. one kind, which does not have a power failure, verifies distant control function system, which is characterized in that the system comprises claims 1 to claim 9 Do not have a power failure access control device remote control tooling and the controller remote control circuit, further includes distribution main website.
CN201811022150.7A 2018-08-31 2018-08-31 Do not have a power failure and verifies distant control function tooling and system Pending CN109189045A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110346611A (en) * 2019-08-15 2019-10-18 淄博齐林电力工程有限公司 Transmission line parameter test remote control earthing switch
CN114089179A (en) * 2021-11-18 2022-02-25 广东电网有限责任公司 Remote control testing device for automatic distribution network terminal circuit breaker

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KR20150049230A (en) * 2013-10-29 2015-05-08 주식회사 대영 Electrical Control Panel For field device.
CN107064690A (en) * 2017-05-02 2017-08-18 国网青海省电力公司西宁供电公司 A kind of ring main unit Multi-way remote control signal-testing apparatus and its method of testing
CN107179762A (en) * 2017-05-02 2017-09-19 国网青海省电力公司西宁供电公司 A kind of method that application multi-compartment mimic-disconnecting switch tests ring main unit remote signal
CN206945910U (en) * 2017-07-26 2018-01-30 广东电网有限责任公司东莞供电局 Safety acceptance device for remote control loop of transformer substation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150049230A (en) * 2013-10-29 2015-05-08 주식회사 대영 Electrical Control Panel For field device.
CN107064690A (en) * 2017-05-02 2017-08-18 国网青海省电力公司西宁供电公司 A kind of ring main unit Multi-way remote control signal-testing apparatus and its method of testing
CN107179762A (en) * 2017-05-02 2017-09-19 国网青海省电力公司西宁供电公司 A kind of method that application multi-compartment mimic-disconnecting switch tests ring main unit remote signal
CN206945910U (en) * 2017-07-26 2018-01-30 广东电网有限责任公司东莞供电局 Safety acceptance device for remote control loop of transformer substation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110346611A (en) * 2019-08-15 2019-10-18 淄博齐林电力工程有限公司 Transmission line parameter test remote control earthing switch
CN114089179A (en) * 2021-11-18 2022-02-25 广东电网有限责任公司 Remote control testing device for automatic distribution network terminal circuit breaker

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Application publication date: 20190111