CN110456113A - A kind of plug-in electric current essential safety terminal - Google Patents

A kind of plug-in electric current essential safety terminal Download PDF

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Publication number
CN110456113A
CN110456113A CN201910882440.7A CN201910882440A CN110456113A CN 110456113 A CN110456113 A CN 110456113A CN 201910882440 A CN201910882440 A CN 201910882440A CN 110456113 A CN110456113 A CN 110456113A
Authority
CN
China
Prior art keywords
plug
reed
contact
pedestal
terminal block
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.)
Granted
Application number
CN201910882440.7A
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Chinese (zh)
Other versions
CN110456113B (en
Inventor
许守东
李仕林
杨宏伟
杨帆
赵旭
韩凯
马启林
孙晨曦
田猛
史劲
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.)
Electric Power Research Institute of Yunnan Power System Ltd
Original Assignee
Electric Power Research Institute of Yunnan Power System 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 Electric Power Research Institute of Yunnan Power System Ltd filed Critical Electric Power Research Institute of Yunnan Power System Ltd
Priority to CN201910882440.7A priority Critical patent/CN110456113B/en
Publication of CN110456113A publication Critical patent/CN110456113A/en
Application granted granted Critical
Publication of CN110456113B publication Critical patent/CN110456113B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0416Connectors, terminals

Abstract

A kind of plug-in electric current essential safety terminal provided by the present application, terminal are set between relay equipment and mutual inductor equipment, comprising: dock connector, stab contact and test plug;Pedestal terminal block is provided on dock connector, pedestal terminal is arranged in a row on dock connector, and one end of pedestal terminal block is continuously connected with by conducting wire and relay equipment, and the other end is connect with mutual inductor equipment, meanwhile pedestal terminal block is movably connected with test plug or stab contact.Plug-in electric current essential safety terminal provided by the present application, pass through the insertion of stab contact or test plug or normal connection or the short circuit of abjection control pedestal terminal block connection line, it can be realized the efficient scene quickly test between primary equipment and secondary device, secondary device, " plug and play ", Field Force and appointed condition are avoided to the influence of cable quality of connection, is had the characteristics that using safely, conveniently, efficiently.

Description

A kind of plug-in electric current essential safety terminal
Technical field
This application involves technical field of power systems, and in particular to a kind of plug-in electric current essential safety terminal.
Background technique
In recent years, electric system is whether newly thrown or is run plant stand electric current secondary loop various incipient faults often occur hidden Suffer from, accident caused by the error action of device such as relay protection or tripping is caused constantly to occur, therefore can throw or run plant stand electricity to new It flows secondary circuit and carries out the related works such as relay protection.
When substation carries out relay protection related work, there are the protective device risks that accidentally outlet false tripping is run, at this moment With regard to needing to take corresponding secondary safety measure, needs to release the related secondary circuit of Current Voltage and trip(ping) circuit, disassembling In process either recovery process, can exist and accidentally touch, restore risk not in place, or restoring mistake.
Therefore, a kind of mode of operation for substituting existing terminal block manual operation wiring and carrying out field-checking, energy are needed It is enough not contact live terminal, wiring is not changed, preventing error wiring is possible, has the characteristics that using safely, conveniently, efficiently.
Summary of the invention
This application provides plug-in electric current essential safety terminal, the correlation for releasing Current Voltage and trip(ping) circuit is overcome Secondary circuit can exist and accidentally touch in dismantling process either recovery process, restore risk not in place, or restoring mistake, It can be realized the efficient scene quickly test between primary equipment and secondary device, secondary device, " plug and play " avoids scene The influence of personnel and appointed condition to cable quality of connection.
It is as follows that the application solves the technical solution that above-mentioned technical problem is taken:
A kind of plug-in electric current essential safety terminal, the terminal are set between relay equipment and mutual inductor equipment,
It include: dock connector, stab contact and test plug;
Pedestal terminal block is provided on the dock connector, the pedestal terminal is arranged in a row into the dock connector On, one end of the pedestal terminal block is continuously connected with by conducting wire and relay equipment, and the other end is connect with the mutual inductor equipment, The pedestal terminal block is movably connected with the test plug or stab contact, and the pedestal terminal block connects the relay protection dress It sets and is located in the dock connector with one end of mutual inductor equipment, the one end for connecting the stab contact or test plug is located at Outside the dock connector;
The pedestal terminal block connection line is being controlled just by the insertion or abjection of the stab contact or test plug Often connection is shorted.
Optionally, the pedestal terminal block includes several pedestal terminals, and each pedestal terminal is internally provided with independence Reed and independent insertion hole;
The insertion hole is for connecting the stab contact or test plug;
The reed includes the second reed, third reed and two the first reeds, second reed and third reed It is symmetricly set on the center of the pedestal terminal, second reed is in contact to form third contact with one end of third reed, The input lead of relay protection device is connected on second reed, the third reed connects the output of the mutual inductor equipment Conducting wire, wherein input lead, output lead, the second reed, third reed combination third contact form major loop;
Second reed is close to each other with the other end of third reed but does not contact, and forms the second contact;It is described two First reed is symmetricly set on the outside of second reed and third reed, and described two first reeds are close to each other but not Contact forms the first contact, and first contact, the second contact and third contact are on the same line.
Optionally, the insertion hole is rectangular test connector.
Optionally, the test plug both ends are respectively equipped with pouring-in test plug and instrument connection row, and middle part position is set There is buckle, described buckle is provided with baffle on instrument connection row extended spot direction, connection handle is provided between the baffle Hand;The pouring-in plug is pluggable to be mounted in the pedestal terminal block, and is realized and be electrically connected with instrument connection row;Instrument connection One end far from pouring-in plug is arranged to be connected with mutual inductor equipment.
Optionally, described to snap connection handle, locking mechanism is set on buckle, and rotating handles control the locking mechanism It opens and closes, is buckled in pouring-in plug and is installed on the base end period of the day from 11 p.m. to 1 a.m corresponding pedestal terminal block is held in by locking mechanism On;
It is provided with indicating bit on the side top surface of the baffle, when swing handle makes the indicating bit green of test plug When, it can normally extract test plug.
The technical scheme provided by the application includes following advantageous effects:
A kind of plug-in electric current essential safety terminal provided by the present application, terminal are set to relay equipment and mutual inductor equipment Between, comprising: dock connector, stab contact and test plug;Pedestal terminal block, pedestal terminal are provided on dock connector Row is integrated on dock connector, and one end of pedestal terminal block is continuously connected with by conducting wire and relay equipment, the other end and mutual inductance The connection of device equipment, meanwhile, pedestal terminal block is movably connected with test plug or stab contact, and pedestal terminal block connection relay protection dress It sets and is located in dock connector with one end of mutual inductor equipment, the one end for connecting stab contact or test plug is located at pedestal connection Outside device.Plug-in electric current essential safety terminal provided by the present application is controlled by the insertion or abjection of stab contact or test plug The normal connection of pedestal terminal block connection line processed or short circuit, realize the automatic sealing-in isolation and test job to secondary circuit, It can be realized the efficient scene quickly test between primary equipment and secondary device, secondary device, " plug and play " avoids scene The influence of personnel and appointed condition to cable quality of connection has the characteristics that using safely, conveniently, efficiently.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor, It is also possible to obtain other drawings based on these drawings.
Fig. 1 is loop state when secondary current terminal provided by the embodiments of the present application operates normally;
Loop state when Fig. 2 is secondary current terminal regular inspection provided by the embodiments of the present application;
Loop state when Fig. 3 is the secondary current short-circuit of terminals provided by the embodiments of the present application;
Fig. 4 is pedestal terminal structure schematic diagram provided by the embodiments of the present application;
Fig. 5 is stab contact structural schematic diagram provided by the embodiments of the present application;
Fig. 6 is monomer-type test plug structural schematic diagram provided by the embodiments of the present application;
Fig. 7 is monoblock type test plug structural schematic diagram provided by the embodiments of the present application.
Description of symbols: 1- screw fixing port, 2- insertion hole, 3- third reed, the second reed of 4-, the first reed of 5-, The first contact 6-, the second contact 7-, 8- third contact, the first calibrating terminal of 9-, the second calibrating terminal of 10-, 11- third test lead Son, the 4th calibrating terminal of 12-, 13- monomer-type plug, 14- buckle, 15- baffle, 17- handle, 18- instrument connection row, 19- injection Formula test plug.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution in the application, implement below in conjunction with the application The technical solution in application embodiment is clearly and completely described in attached drawing in example;Obviously, described embodiment is only It is a part of the embodiment of the application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill The model of the application protection all should belong in personnel's every other embodiment obtained without making creative work It encloses.
The embodiment of the present application provides a kind of plug-in electric current essential safety terminal, the terminal be set to relay equipment with Between mutual inductor equipment, comprising: dock connector, stab contact and test plug;Connected on stab contact by conductor and conducting wire It connects.
Wherein, it is provided with pedestal terminal block on dock connector, pedestal terminal is arranged in a row on dock connector, base end Son row one end be continuously connected with by conducting wire and relay equipment, the other end is connect with mutual inductor equipment, meanwhile, pedestal terminal block and Test plug or stab contact are movably connected, and one end of pedestal terminal block connection relay equipment and mutual inductor equipment is located at pedestal In connector, the one end for connecting stab contact or test plug is located at outside dock connector;Pedestal terminal block is filled with relay protection respectively It sets and the junction of mutual inductor equipment is provided with screw fixing port 1, the installation of pedestal terminal block is fixed for the later period.
By the insertion of stab contact or test plug or abjection control pedestal terminal block connection line it is normal connect or It is shorted.
The plug-in electric current essential safety terminal provided in the embodiment of the present application passes through inserting for stab contact or test plug Enter or deviate from the normal connection of control pedestal terminal block connection line or is shorted, when test plug or stab contact are not inserted into, Circuit major loop is in normal operating conditions, is as shown in Figure 1 secondary current terminal provided by the embodiments of the present application normal operation When loop state, it can be seen from the figure that mutual inductor equipment and relay equipment are normal, electric current passes through mutual inductor equipment, base end Son row, relay equipment are finally returned to mutual inductor equipment and are formed into a loop;When needing regular inspection operation, test plug is inserted into base It is disconnected after secondary circuit is first short when seat terminal block, relay equipment side is isolated with mutual inductor equipment side, as shown in Fig. 2, terminal Ia, Ian contact disconnects, and terminal Ia, Ian are shorted, and daily protective calibration and transmission can be carried out after all circuit security isolations Test, while mutual inductor equipment side is shorted, relay equipment side test source is tested by test plug injection device, from And realize the test job to secondary circuit.
Similarly, when stab contact being inserted into pedestal terminal block, current terminal is shorted, and circuit is interrupted simultaneously, such as Fig. 3 institute Show, terminal Ia, Ian contact disconnects, and terminal Ia, Ian are shorted, and circuit is interrupted simultaneously, and mutual inductor equipment side is shorted, electric current It is returned by being shorted part, realizes that the automatic sealing-in to secondary circuit is isolated.
Optionally, pedestal terminal block includes several pedestal terminals, each pedestal terminal be internally provided with independent reed and Independent insertion hole 2;
Insertion hole 2 is for connecting stab contact or test plug;
It is illustrated in figure 4 pedestal terminal structure schematic diagram provided by the embodiments of the present application, reed includes the second reed 4, the Three reeds 3 and two the first reeds 5, the second reed 4 are symmetricly set on the center of pedestal terminal, the second spring with third reed 3 Piece 4 is in contact to form third contact 8 with one end of third reed 3, for main Loop Contacts, connects relay protection on the second reed 4 The input lead of equipment, third reed 3 connect the output lead of mutual inductor equipment, wherein input lead, output lead, second Reed 4, third reed 3 combine third contact 8 to form major loop;
Second reed 4 is close to each other with the other end of third reed 3 but does not contact, and forms the second contact 7, is direct-connected auxiliary Contact;Two the first reeds 5 are symmetricly set on the outside of the second reed 4 and third reed 3, and two the first reeds 5 mutually lean on It closely but does not contact, forms the first contact 6, for short circuit bridge joint reed contact, at the first contact 6, the second contact 7 and third contact 8 In on same straight line, the protection contact being made of three-stage reed can cooperate test plug to carry out orderly short circuit and divide It is disconnected.Meanwhile different bridge joint modes is additionally provided in the embodiment of the present application, bridgeware can be used for the company of the equipotential between different circuit It connects.By the plug-in type bridge mode of this pre insulated, electrocution-proof protection can satisfy, keep circuit operation safer reliable, And it is more easily installed, this bridge joint mode can be used for extending the equipotential link in wiring position and circuit.
When test plug or stab contact are not inserted into, circuit major loop is in normal operating conditions, and electric current passes through input The major loop that conducting wire, output lead, the second reed 4, third reed 3 combine third contact 8 to be formed is in normal operating conditions, mutually Sensor equipment side and relay equipment are normal, and when by test plug or stab contact insertion pedestal terminal block, Plug contact second is touched Point 7 or the first contact 6 disconnect third contact 8, and mutual inductor equipment short circuit bridge configuration generation effect is disconnected after secondary circuit is first short, Relay equipment side is isolated with mutual inductor equipment side, realizes and the test job of secondary circuit and automatic sealing-in is isolated.
In order to match general test plug or stab contact, it is illustrated in figure 5 stab contact provided by the embodiments of the present application Insertion hole 2 is set rectangular test connector by structural schematic diagram.
The test plug provided in the embodiment of the present application includes monomer test plug, integrated testability plug or short handle test Plug, is illustrated in figure 6 monomer-type test plug structural schematic diagram provided by the embodiments of the present application, and monomer-type test plug includes First calibrating terminal 9, the second calibrating terminal 10, third calibrating terminal 11, the 4th calibrating terminal 12 can select at different conditions Select application, in mutual inductor equipment regular inspection operation, test source can pass through 13 note of monomer-type plug when using monomer test plug Enter test loop and form loop, while obtaining the current value of measurement point.Wherein, it is illustrated in figure 7 provided by the embodiments of the present application Monoblock type test plug structural schematic diagram.Monoblock type test plug both ends are respectively equipped with pouring-in test plug and instrument connection row 18, and middle part position is equipped with buckle 14, buckle 14 is arranged to instrument connection is provided with baffle 15 on 18 extended spot directions, between baffle 15 It is provided with connection handle 17;Pouring-in test plug is pluggable to be mounted in pedestal terminal block, and is realized with instrument connection row 18 Electrical connection;Instrument connection arranges 18 one end far from pouring-in test plug and is connected with mutual inductor equipment.
Optionally, 14 connection handle 17 of buckle, buckles and locking mechanism is arranged on 14, and rotating handles 17 control locking mechanism It opens and closes, buckle 14 is installed on the base end period of the day from 11 p.m. to 1 a.m in pouring-in plug and is held in corresponding pedestal terminal by locking mechanism On row, realize that locking connection, lock mode locking quickly, lock solid and reliable, behaviour by locking mechanism in the embodiment of the present application Facilitate, misplaces slotting connection;There is the performance of anti-vibration, coupling mechanism force is big, and the pulling ability of anti-cable is strong, and wiring space is bigger;It is resistance to High and low temperature, corrosion-resistant, enclosed moisture-resistant and good insulating conduct electricity very well;It is high to contact reliable protection grade, is very suitable to power transformation It is applied in condition of standing.
Meanwhile indicating bit is provided on the side top surface of baffle 15, indicating bit is divided into red and green indicating bit, works as rotation When handle 17 keeps the indicating bit of test plug green, test plug can be normally extracted.
Exemplary type, plug-in electric current essential safety terminal provided herein, dock connector is pacified using panel type The mode of dress can be carried out test loop and be passed through dock connector without cabinet door is opened with test plug or stab contact insertion It is attached on the inside of panel, upper electrical circuit enters normal operating conditions.Insertion test plug or stab contact, circuit are It can carry out test job.Test plug can carry out short circuit configuration according to different testing requirements.Handle 17 has self-locking function, When swing handle 17 makes the indicating bit green of test plug, test plug can be normally extracted.
Exemplary type, lead-sealable actuation transparent cover is used for the security protection of pedestal terminal block front non-testing operations time. The test that test plug carries out circuit lead-sealable actuation protection cover-cap is not opened then can not be inserted into, what transparent cover can satisfy circuit can Depending on property.
A kind of plug-in electric current essential safety terminal provided by the embodiments of the present application passes through stab contact or test plug Insertion or the normal connection of abjection control pedestal terminal block connection line or short circuit, realize that the automatic sealing-in to secondary circuit is isolated And test job, it can be realized the efficient scene quickly test between primary equipment and secondary device, secondary device, " insert i.e. With ", Field Force and appointed condition are avoided to the influence of cable quality of connection, are had the characteristics that using safely, conveniently, efficiently.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability Contain, so that article or equipment including a series of elements not only include those elements, but also including not arranging clearly Other element out, or further include for elements inherent to such a process, method, article, or device.Not more In the case where limitation, the element that is limited by sentence "including a ...", it is not excluded that including process, the side of the element There is also other identical elements in method, article or equipment.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.
It should be understood that the application is not limited to the content for being described above and being shown in the accompanying drawings, and can To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by the accompanying claims.

Claims (5)

1. a kind of plug-in electric current essential safety terminal, which is characterized in that the terminal is set to relay equipment and sets with mutual inductor Between standby,
It include: dock connector, stab contact and test plug;
It is provided with pedestal terminal block on the dock connector, the pedestal terminal is arranged in a row on the dock connector, institute The one end for stating pedestal terminal block is continuously connected with by conducting wire and relay equipment, and the other end is connect with the mutual inductor equipment, described Pedestal terminal block is movably connected with the test plug or stab contact, and the pedestal terminal block connect the relay equipment and One end of mutual inductor equipment is located in the dock connector, connects one end of the stab contact or test plug positioned at described Outside dock connector;
Normally connecting for the pedestal terminal block connection line is controlled by the insertion or abjection of the stab contact or test plug It connects or is shorted.
2. plug-in electric current essential safety terminal according to claim 1, which is characterized in that the pedestal terminal block includes Several pedestal terminals, each pedestal terminal are internally provided with independent reed and independent insertion hole;
The insertion hole is for connecting the stab contact or test plug;
The reed includes the second reed, third reed and two the first reeds, and second reed and third reed are symmetrical The center of the pedestal terminal is set, and second reed is in contact to form third contact with one end of third reed, described The input lead of relay protection device is connected on second reed, the output that the third reed connects the mutual inductor equipment is led Line, wherein input lead, output lead, the second reed, third reed combination third contact form major loop;
Second reed is close to each other with the other end of third reed but does not contact, and forms the second contact;Described two first Reed is symmetricly set on the outside of second reed and third reed, and described two first reeds are close to each other but do not connect Touching forms the first contact, and first contact, the second contact and third contact are on the same line.
3. plug-in electric current essential safety terminal according to claim 2, which is characterized in that the insertion hole is rectangular survey Try connector.
4. plug-in electric current essential safety terminal according to claim 1, which is characterized in that the test plug both ends point Not She You pouring-in test plug and instrument connection row, and middle part position be equipped with buckle, it is described buckle to the instrument connection arrange extend Prescription has set up baffle, and connection handle is provided between the baffle;The pouring-in plug is pluggable to be mounted on institute It states in pedestal terminal block, and realizes and be electrically connected with instrument connection row;Instrument connection is arranged one end far from pouring-in plug and is set with mutual inductor It is standby to be connected.
5. plug-in electric current essential safety terminal according to claim 4, which is characterized in that it is described to snap connection handle, Locking mechanism is set on buckle, and rotating handles control the opening and closing of the locking mechanism, are buckled in pouring-in plug installation It is held in corresponding pedestal terminal block in the base end period of the day from 11 p.m. to 1 a.m by locking mechanism;
It is provided with indicating bit on the side top surface of the baffle, it, can when swing handle makes the indicating bit green of test plug Normally to extract test plug.
CN201910882440.7A 2019-09-18 2019-09-18 Plug-in current intrinsic safety terminal Active CN110456113B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910882440.7A CN110456113B (en) 2019-09-18 2019-09-18 Plug-in current intrinsic safety terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910882440.7A CN110456113B (en) 2019-09-18 2019-09-18 Plug-in current intrinsic safety terminal

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Publication Number Publication Date
CN110456113A true CN110456113A (en) 2019-11-15
CN110456113B CN110456113B (en) 2021-10-08

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN112444701A (en) * 2020-11-25 2021-03-05 云南电网有限责任公司电力科学研究院 Secondary circuit detection device and circuit operation intrinsic safety method
CN112467653A (en) * 2020-11-25 2021-03-09 云南电网有限责任公司电力科学研究院 Terminal box
CN112505453A (en) * 2020-11-25 2021-03-16 云南电网有限责任公司电力科学研究院 Terminal box testing method and terminal box
CN112510392A (en) * 2020-11-25 2021-03-16 云南电网有限责任公司电力科学研究院 Safety measure isolation device
CN112531442A (en) * 2020-11-25 2021-03-19 云南电网有限责任公司电力科学研究院 Method for manufacturing safety device of terminal
CN113587969A (en) * 2021-06-18 2021-11-02 大唐水电科学技术研究院有限公司 Integrated sensor mounting and wiring method for hydroelectric generating set stability test
CN114256700A (en) * 2021-12-16 2022-03-29 云南电网有限责任公司电力科学研究院 Current terminal

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CN101988931A (en) * 2009-07-29 2011-03-23 Abb技术有限公司 Modular test plug
CN106526248A (en) * 2016-11-22 2017-03-22 国网浙江省电力公司绍兴供电公司 Integrated safety measure test junction box and use method
JP2019013126A (en) * 2017-07-03 2019-01-24 東京電力ホールディングス株式会社 Plug for voltage circuit test

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CN101449172A (en) * 2006-05-26 2009-06-03 西门子公司 A detection device for a switch cabinet with an input terminal module
JP2008190949A (en) * 2007-02-02 2008-08-21 Chugoku Electric Power Co Inc:The Test plug with charged state detecting/indicating function
CN101988931A (en) * 2009-07-29 2011-03-23 Abb技术有限公司 Modular test plug
CN106526248A (en) * 2016-11-22 2017-03-22 国网浙江省电力公司绍兴供电公司 Integrated safety measure test junction box and use method
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112444701A (en) * 2020-11-25 2021-03-05 云南电网有限责任公司电力科学研究院 Secondary circuit detection device and circuit operation intrinsic safety method
CN112467653A (en) * 2020-11-25 2021-03-09 云南电网有限责任公司电力科学研究院 Terminal box
CN112505453A (en) * 2020-11-25 2021-03-16 云南电网有限责任公司电力科学研究院 Terminal box testing method and terminal box
CN112510392A (en) * 2020-11-25 2021-03-16 云南电网有限责任公司电力科学研究院 Safety measure isolation device
CN112531442A (en) * 2020-11-25 2021-03-19 云南电网有限责任公司电力科学研究院 Method for manufacturing safety device of terminal
CN112467653B (en) * 2020-11-25 2022-04-12 云南电网有限责任公司电力科学研究院 Terminal box
CN113587969A (en) * 2021-06-18 2021-11-02 大唐水电科学技术研究院有限公司 Integrated sensor mounting and wiring method for hydroelectric generating set stability test
CN114256700A (en) * 2021-12-16 2022-03-29 云南电网有限责任公司电力科学研究院 Current terminal
CN114256700B (en) * 2021-12-16 2023-10-13 云南电网有限责任公司电力科学研究院 Current terminal

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