CN206420643U - 6kV medium voltage contactor multi-functional mechanical features Testbeds - Google Patents
6kV medium voltage contactor multi-functional mechanical features Testbeds Download PDFInfo
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- CN206420643U CN206420643U CN201621452901.5U CN201621452901U CN206420643U CN 206420643 U CN206420643 U CN 206420643U CN 201621452901 U CN201621452901 U CN 201621452901U CN 206420643 U CN206420643 U CN 206420643U
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Abstract
The utility model belongs to nuclear power plant equipment service technique field, specifically related to a kind of 6kV medium voltage contactors multi-functional mechanical features Testbed purpose is to develop a 6kV medium voltage contactor multi-functional mechanical features Testbed, in the past lengthy and jumbled test wire all can be incorporated into this testing stand；The warm 6kV medium voltage contactor modes of connection of four kinds of models in testing stand, as long as can just control to realize the wiring switching of a variety of circuits by operating desk；Testing stand signal lamp can feed back the divide-shut brake situation of contactor and relay, realize remote monitoring function；Divide-shut brake attribute testing for measurement 6kV medium voltage contactors provides facility.Multi-functional mechanical features Testbed of the present utility model, the wiring switching of the contactor experiment of four kinds of models only need to can be just realized by switching push button, the measurement of 6kV medium voltage contactor branch wire times can be carried out with connecting dividing lock characteristic instrument, it can preferably avoid making a mistake when changing wiring, the test period of original 2 hours or so was foreshortened in 15 minutes.
Description
Technical field
The invention belongs to nuclear power plant equipment service technique field, and in particular to a kind of 6kV medium voltage contactors multi-functional mechanical
Features Testbed.
Background technology
6kV medium voltage contactors are the main equipment of nuclear power plant's medium-voltage distribution, are also power supply unit in station service electrical system
Nucleus equipment.Factory 3 of the Qin two, No. 4 unit 6kV medium voltage contactor quantity are more (complete 150, factory), and model is also more：There is VSC types (machinery
Keep, electrically keep) and four kinds of models of V7 types (machinery keeps, electrically kept)., it is necessary to many when annual overhaul and maintenance repair
The different types of contactor of bar bus carries out annual test, due to needing the contactor quantity of annual test many, and will basis during experiment
Different model change wiring, wiring is cumbersome, and greatly waste is caused to manpower, and the nervous personnel's wiring of overhaul duration is easy
Error.Based on this, the operating desk that making one is used for experimental wiring conversion is particularly urgent, and based on this, we are invented in a kind of 6kV
Tentaculum multi-functional mechanical features Testbed is crimped, the testing stand is not only only capable of doing the operating mechanism acting characteristic experiment of contactor,
Also provide facility for the divide-shut brake attribute testing of contactor simultaneously.
The content of the invention
, can be by the past it is an object of the invention to develop a 6kV medium voltage contactor multi-functional mechanical features Testbed
Lengthy and jumbled test wire is all incorporated into this testing stand；The warm mode of connection of four kinds of models in testing stand, as long as logical
Crossing operating desk can just control to realize the wiring switching of a variety of circuits；Testing stand signal lamp can feed back 6kV medium voltage contactors and
The divide-shut brake situation of relay, realizes remote monitoring function；Divide-shut brake attribute testing for measurement medium voltage contactor provides facility.
What the present invention was realized in：
A kind of 6kV medium voltage contactors multi-functional mechanical features Testbed, it is characterised in that：Division is provided with testing stand
Lock characteristic instrument interface and 110V electric power incoming line interfaces；The combined floodgate interface of divide-shut brake characteristic instrument interface is respectively with switch knob LA1's
Crimped in node 4, electrically and mechanically type switching relay K4 node 1, closing relay K1 node 5, V7 and VSC types 6kV
Tentaculum switching relay K3 node 6 and node 4 is connected；The separating brake interface of divide-shut brake characteristic instrument interface respectively with opening button
LA2 node 4, electrically and mechanically type 6kV medium voltage contactors switching relay K4 node 2 and 6kV medium voltage contactor bodies
Node 11 connect；The positive pole of 110V electric power incoming line interfaces by power switch QF nodes 32 respectively with separating brake contactor K2,
Opening button LA2 node 3, closing relay K1 node 12,6kV medium voltage contactor body combined floodgate auxiliary nodes BB2 section
Point 23,6kV medium voltage contactor body separating brake auxiliary nodes BB1 node 16, power supply indicator HD one end, V7 and VSC types 6kV
The 11 of medium voltage contactor switching button LA3, electrically and mechanically type 6kV medium voltage contactors switching button LA4 23 and V7 and VSC
Type 6kV medium voltage contactor switching relays K3 node 8 is connected；The negative pole of 110V electric power incoming line interfaces is divided by power switch QF
Coil 13, relay combined floodgate indicator lamp JD1 one end, relay separating brake indicator lamp JD2 one end not with closing relay K1,
Separating brake contactor K2 loop A 2,6kV medium voltage contactor body combined floodgate indicator lamps LD one end, 6kV medium voltage contactors body point
Lock indicator lamp YD one end, the power supply indicator HD other end, V7 and VSC type 6kV medium voltage contactor switching relays K3 line
Circle 13 and node 5, the section of electrically and mechanically type switching relay K4 coil 13 and node 12 and 6kV medium voltage contactor bodies
Point 15 is connected；
Separating brake contactor K2 node 31 is connected with the node 9 of switch knob LA1 node 3 and closing relay K1；Electricity
Gas and mechanical type switching relay K4 node 9 are connected with closing relay K1 coil 14；Closing relay K1 node 8 with
Relay combined floodgate indicator lamp JD1 other end connection；Closing relay K1 node 4 is another with relay separating brake indicator lamp JD2's
One end is connected；Electrically and mechanically type switching relay K4 node 10 is connected with separating brake contactor K2 loop A 1；Middle press contacts
Device body combined floodgate auxiliary node BB2 node 13 is connected with the 6kV medium voltage contactor body combined floodgate indicator lamps LD other end；Middle pressure
Contactor body separating brake auxiliary node BB1 node 6 is connected with the 6kV medium voltage contactor body separating brake indicator lamps YD other end；
The 12 of V7 and VSC type switching buttons LA3 are connected with V7 and VSC type switching relays K3 coil 14；Electrically and mechanically type is changed
The 24 of button LA4 are connected with electrically and mechanically type switching relay K4 coil 14；V7 and VSC type switching relays K3 node
12 are connected with the node 5 of 6kV medium voltage contactor bodies；V7 and VSC type switching relays K3 node 10 and 6kV medium voltage contactors
The node 4 of body is connected；V7 and VSC type switching relays K3 node 9 is connected with the node 14 of 6kV medium voltage contactor bodies；
Separating brake contactor K2 node 22 is connected with V7 and VSC type switching relays K3 node 2；Separating brake contactor K2 node 21 with
V7 and VSC type switching relays K3 node 1 is connected；Electrically and mechanically press contacts in type switching relay K4 node 8 and 6kV
The node 21 of device body is connected.
Power switch QF as described above is realized using air switch.
A kind of 6kV medium voltage contactors multi-functional mechanical characteristic test system, including pressed in 6kV as claimed in claim 1
Contactor multi-functional mechanical features Testbed and divide-shut brake characteristic instrument；The output end of divide-shut brake characteristic instrument and 6kV medium voltage contactors
Divide-shut brake characteristic instrument interface connection in multi-functional mechanical features Testbed.
Divide-shut brake characteristic instrument as described above sends pulse letter to 6kV medium voltage contactor multi-functional mechanicals features Testbed
Number, the signal that simulation switch knob LA1 and opening button LA2 is sent.
The beneficial effects of the invention are as follows：
The multi-functional mechanical features Testbed of the present invention, only need to can just realize the contact of four kinds of models by switching push button
The wiring switching of device experiment, the measurement of contactor branch wire time can be carried out with connecting dividing lock characteristic instrument, can preferably be kept away
Exempt to make a mistake when changing wiring, the test period of original 2 hours or so was foreshortened in 15 minutes, greatly improve work effect
Rate, has nearly 60 contactors to be tested in Qin Erchang D305 and D404 overhauls, is that nearly 100 man-hours shorten in working group,
Obtain larger economic benefit.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of the 6kV medium voltage contactor multi-functional mechanical features Testbeds of the present invention.
Embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of 6kV medium voltage contactors multi-functional mechanical features Testbed, it is characterised in that：On testing stand
It is provided with divide-shut brake characteristic instrument interface and 110V electric power incoming line interfaces；The combined floodgate interface of divide-shut brake characteristic instrument interface respectively with combined floodgate
Button LA1 node 4, electrically and mechanically type switching relay K4 node 1, closing relay K1 node 5, V7 and VSC types
6kV medium voltage contactor switching relays K3 node 6 and node 4 is connected；The separating brake interface of divide-shut brake characteristic instrument interface respectively with
Crimped in opening button LA2 node 4, electrically and mechanically type 6kV medium voltage contactors switching relay K4 node 2 and 6kV
The node 11 of tentaculum body is connected；The positive pole of 110V electric power incoming line interfaces is by power switch QF respectively with separating brake contactor K2's
Node 32, opening button LA2 node 3, closing relay K1 node 12,6kV medium voltage contactor body combined floodgate auxiliary nodes
BB2 node 23,6kV medium voltage contactor body separating brake auxiliary nodes BB1 node 16, power supply indicator HD one end, V7 and
VSC type 6kV medium voltage contactor switching buttons LA3 11, electrically and mechanically type 6kV medium voltage contactors switching button LA4 23 with
And V7 and VSC type 6kV medium voltage contactor switching relays K3 node 8 is connected；The negative pole of 110V electric power incoming line interfaces passes through electricity
Coil 13, relay combined floodgate indicator lamp JD1 one end, the relay separating brake indicator lamps of source switch QF respectively with closing relay K1
Crimped in JD2 one end, separating brake contactor K2 loop A 2,6kV medium voltage contactor body combined floodgate indicator lamps LD one end, 6kV
Tentaculum body separating brake indicator lamp YD one end, the power supply indicator HD other end, the conversion of V7 and VSC type 6kV medium voltage contactors after
Press contacts in electrical equipment K3 coil 13 and node 5, electrically and mechanically type switching relay K4 coil 13 and node 12 and 6kV
The node 15 of device body is connected；
Separating brake contactor K2 node 31 is connected with the node 9 of switch knob LA1 node 3 and closing relay K1；Electricity
Gas and mechanical type switching relay K4 node 9 are connected with closing relay K1 coil 14；Closing relay K1 node 8 with
Relay combined floodgate indicator lamp JD1 other end connection；Closing relay K1 node 4 is another with relay separating brake indicator lamp JD2's
One end is connected；Electrically and mechanically type switching relay K4 node 10 is connected with separating brake contactor K2 loop A 1；Middle press contacts
Device body combined floodgate auxiliary node BB2 node 13 is connected with the 6kV medium voltage contactor body combined floodgate indicator lamps LD other end；Middle pressure
Contactor body separating brake auxiliary node BB1 node 6 is connected with the 6kV medium voltage contactor body separating brake indicator lamps YD other end；
The 12 of V7 and VSC type switching buttons LA3 are connected with V7 and VSC type switching relays K3 coil 14；Electrically and mechanically type is changed
The 24 of button LA4 are connected with electrically and mechanically type switching relay K4 coil 14；V7 and VSC type switching relays K3 node
12 are connected with the node 5 of 6kV medium voltage contactor bodies；V7 and VSC type switching relays K3 node 10 and 6kV medium voltage contactors
The node 4 of body is connected；V7 and VSC type switching relays K3 node 9 is connected with the node 14 of 6kV medium voltage contactor bodies；
Separating brake contactor K2 node 22 is connected with V7 and VSC type switching relays K3 node 2；Separating brake contactor K2 node 21 with
V7 and VSC type switching relays K3 node 1 is connected；Electrically and mechanically press contacts in type switching relay K4 node 8 and 6kV
The node 21 of device body is connected.In the present embodiment, power switch QF is realized using air switch.
The operation principle of the present invention is as follows：
(1) carrying out 6kV medium voltage contactor breaking-closing operating processes using the testing stand of the present invention is：
Testing stand is accessed into 110V dc sources, and power turn-on switch QF, the node of 6kV medium voltage contactor bodies first
15 obtain negative electricity, and power supply indicator HD is bright.
1. during maintenance 6kV medium voltage contactors experiment electric as V7 types, V7 and VSC type 6kV medium voltage contactors are changed
Button LA3 is threaded to V7 types (disconnecting) and electrically and mechanically type 6kV medium voltage contactors switching button LA4 is threaded to electric maintenance
(disconnecting).
Close a floodgate：Switch knob LA1 is pressed, closing relay K1 obtains electric, closing relay K1 normally opened contact (i.e. node 5
With node 9) closure so that closing circuit obtains electric holding, and the node 5 of 6kV medium voltage contactor bodies obtains electric.Separating brake contactor K2 is not
Obtain electric, separating brake contactor K2 normally-closed contact (i.e. node 21 and node 22) is remained up, the node of 6kV medium voltage contactor bodies
4 connect with 14, and 6kV medium voltage contactors body closes a floodgate.Relay combined floodgate indicator lamp JD1 is bright, and 6kV medium voltage contactors body, which closes a floodgate, to be referred to
Show that lamp LD is bright.
Separating brake：Opening button LA2 is pressed, separating brake contactor K2 obtains electric, separating brake contactor K2 normally-closed contact (i.e. node 31
With node 32) disconnect, closing circuit dead electricity, the dead electricity of node 5 of 6kV medium voltage contactor bodies, 6kV medium voltage contactors body point
Lock.Relay separating brake indicator lamp JD2 is bright, and 6kV medium voltage contactor body separating brake indicator lamps YD is bright.
2. during as the experiment of V7 types machinery maintenance 6kV medium voltage contactors, V7 and VSC type 6kV medium voltage contactors are changed
Button LA3 be threaded to V7 types (disconnect), electrically and mechanically type 6kV medium voltage contactors switching button LA4 be threaded to mechanical maintenance (i.e.
Closure)：Electrically and mechanically type 6kV medium voltage contactors switching relay K4 obtains electric, and electrically and mechanically type 6kV medium voltage contactors are changed
Relay K4 normally opened contacts (i.e. node 8 and node 12) are closed.The node 21 of 6kV medium voltage contactor bodies obtains negative electricity.
Close a floodgate：Press switch knob LA1,6kV medium voltage contactor body node 5 it is electric, separating brake contactor K2 not it is electric,
Separating brake contactor K2 normally-closed contact (i.e. node 21 and node 22) is remained up, the node 4 and 14 of 6kV medium voltage contactor bodies
Connect, 6kV medium voltage contactors body closes a floodgate.Relay separating brake indicator lamp JD2 is bright, 6kV medium voltage contactor body combined floodgate indicator lamps
LD is bright.
Separating brake：The node 11 for pressing opening button LA2,6kV medium voltage contactor body connects positive electricity, 6kV medium voltage contactors
Body sub-gate circuit obtains electric, 6kV medium voltage contactor body separating brakes.Relay separating brake indicator lamp JD2 is bright, 6kV medium voltage contactor sheets
Body separating brake indicator lamp YD is bright.
3. during maintenance 6kV medium voltage contactors experiment electric as VSC types, V7 and VSC type 6kV medium voltage contactors are changed
Button LA3 is threaded to VSC types (closing), V7 and VSC type 6kV medium voltage contactor switching relays K3 obtains electric, and the normally opened nodes of K3 are closed
Close, the node 5 of 6kV medium voltage contactor bodies obtains positive electricity, and node 14 obtains negative electricity.Electrically and mechanically type switching button LA4 is threaded to electricity
Maintenance (disconnects).
Close a floodgate：Switch knob LA1 is pressed, closing relay K1 obtains electric, closing relay K1 normally opened contact (i.e. node 5
With node 9) closure so that closing circuit obtains electric holding, and the node 4 of 6kV medium voltage contactor bodies obtains electric.6kV medium voltage contactors
Body closes a floodgate.Relay combined floodgate indicator lamp JD1 is bright, and 6kV medium voltage contactor body combined floodgate indicator lamps LD is bright.
Separating brake：Opening button LA2 is pressed, separating brake contactor K2 obtains electric, separating brake contactor K2 normally-closed contact (i.e. node 31
With node 32) disconnect, the dead electricity of node 4 of 6kV medium voltage contactor bodies, 6kV medium voltage contactor body separating brakes.Relay separating brake refers to
Show that lamp JD2 is bright, 6kV medium voltage contactor body separating brake indicator lamps YD is bright.
4. during as the experiment of VSC types machinery maintenance 6kV medium voltage contactors, V7 and VSC type 6kV medium voltage contactors are changed
Button LA3 is threaded to VSC types (closing), and electrically and mechanically type 6kV medium voltage contactors switching button LA4 is threaded to mechanical maintenance
(closing).V7 and VSC type 6kV medium voltage contactor switching relays K3 obtains electric, the normally opened node closures of K3,6kV medium voltage contactors
The node 5 of body obtains positive electricity, and node 14 obtains negative electricity.Electrically and mechanically type 6kV medium voltage contactors switching relay K4 obtains electric, electrically
With mechanical type 6kV medium voltage contactor switching relay K4 normally opened contacts (i.e. node 8 and node 12) closure.6kV medium voltage contactors
The node 21 of body obtains negative electricity.
Close a floodgate：The node 4 for pressing switch knob LA1,6kV medium voltage contactor body obtains positive electricity, 6kV medium voltage contactor bodies
Close a floodgate.Relay separating brake indicator lamp JD2 is bright, and 6kV medium voltage contactor body combined floodgate indicator lamps LD is bright.
Separating brake：The node 11 for pressing opening button LA2,6kV medium voltage contactor body connects positive electricity, 6kV medium voltage contactors
Body sub-gate circuit obtains electric, 6kV medium voltage contactor body separating brakes.Relay separating brake indicator lamp JD2 is bright, 6kV medium voltage contactor sheets
Body separating brake indicator lamp YD is bright.
(2) 6kV medium voltage contactor breaking-closing operating processes are carried out using the testing stand connecting dividing lock characteristic instrument of the present invention
For：
Access divide-shut brake characteristic instrument after, the action logic of the 6kV medium voltage contactors of four kinds of different conditions ibid, simply division
The pulse signal of " conjunction " and " dividing " of lock characteristic instrument instead of switch knob LA1 and opening button LA2 sends signal, realizes division
Lock, and in divide-shut brake characteristic instrument record divide-shut brake time.
The implementation of the present invention is explained in detail above in conjunction with embodiment, but the present invention is not limited to above-mentioned reality
Example is applied, can also be on the premise of present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess
Various changes can be made.The content not being described in detail in description of the invention can use prior art.
Claims (4)
1. a kind of 6kV medium voltage contactors multi-functional mechanical features Testbed, it is characterised in that：Divide-shut brake is provided with testing stand
Characteristic instrument interface and 110V electric power incoming line interfaces；The section of the combined floodgate interface of divide-shut brake characteristic instrument interface respectively with switch knob LA1
Press contacts in point 4, electrically and mechanically type switching relay K4 node 1, closing relay K1 node 5, V7 and VSC types 6kV
Device switching relay K3 node 6 and node 4 is connected；The separating brake interface of divide-shut brake characteristic instrument interface respectively with opening button LA2
Node 4, the section of electrically and mechanically type 6kV medium voltage contactors switching relay K4 node 2 and 6kV medium voltage contactor bodies
Point 11 is connected；Node 32, separating brake of the positive pole of 110V electric power incoming line interfaces by power switch QF respectively with separating brake contactor K2
Button LA2 node 3, closing relay K1 node 12,6kV medium voltage contactor body combined floodgate auxiliary nodes BB2 node 23,
Pressed in 6kV medium voltage contactor body separating brake auxiliary nodes BB1 node 16, power supply indicator HD one end, V7 and VSC types 6kV
The 11 of contactor switching button LA3, electrically and mechanically type 6kV medium voltage contactors switching button LA4 23 and V7 and VSC types
6kV medium voltage contactor switching relays K3 node 8 is connected；The negative pole of 110V electric power incoming line interfaces is distinguished by power switch QF
Coil 13, relay combined floodgate indicator lamp JD1 one end, relay separating brake indicator lamp JD2 one end with closing relay K1, point
Lock contactor K2 loop A 2,6kV medium voltage contactor body combined floodgate indicator lamps LD one end, 6kV medium voltage contactor body separating brakes
Indicator lamp YD one end, the power supply indicator HD other end, V7 and VSC type 6kV medium voltage contactor switching relays K3 coil
13 and node 5, the node of electrically and mechanically type switching relay K4 coil 13 and node 12 and 6kV medium voltage contactor bodies
15 connections；
Separating brake contactor K2 node 31 is connected with the node 9 of switch knob LA1 node 3 and closing relay K1；Electrically and
Mechanical type switching relay K4 node 9 is connected with closing relay K1 coil 14；Closing relay K1 node 8 and relay
Device combined floodgate indicator lamp JD1 other end connection；Closing relay K1 node 4 and the relay separating brake indicator lamp JD2 other end
Connection；Electrically and mechanically type switching relay K4 node 10 is connected with separating brake contactor K2 loop A 1；Medium voltage contactor sheet
Body combined floodgate auxiliary node BB2 node 13 is connected with the 6kV medium voltage contactor body combined floodgate indicator lamps LD other end；Middle press contacts
Device body separating brake auxiliary node BB1 node 6 is connected with the 6kV medium voltage contactor body separating brake indicator lamps YD other end；V7 and
The 12 of VSC type switching buttons LA3 are connected with V7 and VSC type switching relays K3 coil 14；Electrically and mechanically type switching button
The 24 of LA4 are connected with electrically and mechanically type switching relay K4 coil 14；V7 and VSC type switching relays K3 node 12 with
The node 5 of 6kV medium voltage contactor bodies is connected；V7 and VSC type switching relays K3 node 10 and 6kV medium voltage contactor bodies
Node 4 connect；V7 and VSC type switching relays K3 node 9 is connected with the node 14 of 6kV medium voltage contactor bodies；Separating brake
Contactor K2 node 22 is connected with V7 and VSC type switching relays K3 node 2；Separating brake contactor K2 node 21 and V7 and
VSC type switching relays K3 node 1 is connected；Electrically and mechanically type switching relay K4 node 8 and 6kV medium voltage contactor sheets
The node 21 of body is connected.
2. 6kV medium voltage contactors multi-functional mechanical features Testbed according to claim 1, it is characterised in that：Described
Power switch QF is realized using air switch.
3. a kind of 6kV medium voltage contactors multi-functional mechanical characteristic test system, it is characterised in that：It is included such as claim 1 institute
The 6kV medium voltage contactor multi-functional mechanical features Testbeds and divide-shut brake characteristic instrument stated；The output end and 6kV of divide-shut brake characteristic instrument
Divide-shut brake characteristic instrument interface connection in medium voltage contactor multi-functional mechanical features Testbed.
4. 6kV medium voltage contactors multi-functional mechanical characteristic test system according to claim 3, it is characterised in that：It is described
Divide-shut brake characteristic instrument send pulse signal, simulation switch knob LA1 to 6kV medium voltage contactor multi-functional mechanicals features Testbed
The signal sent with opening button LA2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621452901.5U CN206420643U (en) | 2016-12-28 | 2016-12-28 | 6kV medium voltage contactor multi-functional mechanical features Testbeds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621452901.5U CN206420643U (en) | 2016-12-28 | 2016-12-28 | 6kV medium voltage contactor multi-functional mechanical features Testbeds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206420643U true CN206420643U (en) | 2017-08-18 |
Family
ID=59576205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621452901.5U Withdrawn - After Issue CN206420643U (en) | 2016-12-28 | 2016-12-28 | 6kV medium voltage contactor multi-functional mechanical features Testbeds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206420643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768954A (en) * | 2016-12-28 | 2017-05-31 | 中核核电运行管理有限公司 | 6kV medium voltage contactor multi-functional mechanical features Testbeds |
| CN112230106A (en) * | 2020-09-25 | 2021-01-15 | 江苏核电有限公司 | Detection device and method for switch external local switching-on/off controller |
-
2016
- 2016-12-28 CN CN201621452901.5U patent/CN206420643U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768954A (en) * | 2016-12-28 | 2017-05-31 | 中核核电运行管理有限公司 | 6kV medium voltage contactor multi-functional mechanical features Testbeds |
| CN106768954B (en) * | 2016-12-28 | 2023-05-19 | 中核核电运行管理有限公司 | Multifunctional mechanical characteristic test bed for 6kV medium-voltage contactor |
| CN112230106A (en) * | 2020-09-25 | 2021-01-15 | 江苏核电有限公司 | Detection device and method for switch external local switching-on/off controller |
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