CN103487614A - Secondary testing device of current transformer and assembly thereof - Google Patents
Secondary testing device of current transformer and assembly thereof Download PDFInfo
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- CN103487614A CN103487614A CN201310492688.5A CN201310492688A CN103487614A CN 103487614 A CN103487614 A CN 103487614A CN 201310492688 A CN201310492688 A CN 201310492688A CN 103487614 A CN103487614 A CN 103487614A
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- current transformer
- transformer secondary
- wire
- joint
- proving installation
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Abstract
The invention discloses a secondary testing device of a current transformer. The secondary testing device comprises a plurality of cable clamps respectively clamped on each terminal of the current transformer, wherein each cable clamp is welded with and is in plastic package with one end of a wire, and the other ends of the plurality of wires are connected with each other. The invention also discloses an assembly of the secondary testing device of the current transformer. The contacts of the plurality of testing lines of the secondary testing device of the current transformer are connected with each other. The secondary testing device of the current transformer has the beneficial effects that when testing is implemented, three terminals of a winding to be tested are set aside, and the clamps are respectively clamped on other terminals of the current transformer; when the winding to be tested needs replacing, the clamps clamped on the three terminals of the winding to be tested are taken down, and are respectively clamped on the three terminals of the winding tested last time, and therefore the device is simple to operate and time and labor are saved.
Description
Technical field
The present invention relates to Current Transformer Secondary proving installation and combination thereof.
Background technology
Capital construction and the working site that needs to change current transformer in transformer station, secondary maintenance teams and groups need to be tested current transformer.As shown in Figure 7, current transformer 100 is provided with a plurality of terminals 101, corresponding windings of three terminals wherein, because the Current Transformer Secondary side cannot be opened a way, when one of them winding of test (three terminals of free time in corresponding diagram), need to be by the terminal of other windings (except to be tested) of current transformer 101 use envelope line 102 (annealed copper wire) short circuits.The defect of prior art is, uses envelope line 102 to be wound around terminal 101 and makes all winding short circuits, and time-consuming effort again, and, after testing one of them winding, after also needing envelope line 102 is removed, again be wound around again.
Summary of the invention
In view of the foregoing defects the prior art has, the technical problem to be solved in the present invention is that a kind of Current Transformer Secondary proving installation easy and simple to handle is provided.
For solving the problems of the technologies described above, the invention provides a kind of Current Transformer Secondary proving installation, comprise: be used for being clipped in respectively a plurality of wire clamps on each terminal of current transformer, each described wire clamp welds and carries out plastic packaging with an end of a wire respectively, and the other end of many described wires interconnects.
As preferably, also comprise a test wire, an end of described test wire is provided with joint, and the other end of described test wire is connected with the end that many described wires are connected.
As preferably, many described wire connection plastic packagings.
As preferably, the multiple that the quantity of described wire clamp is three.
The present invention also provides the combination of Current Transformer Secondary proving installation, comprises a plurality of Current Transformer Secondary proving installations as above, and the joint of the test wire of a plurality of described Current Transformer Secondary proving installations interconnects.
As one of preferred, each described joint comprises respectively plug and the jack be electrically connected to test wire, and the plug of one of them joint and the jack of another joint are pegged graft.
As one of preferred, also comprise a connecting link, the two ends of described connecting link connect respectively a described joint; Each described joint comprises respectively plug and the jack be electrically connected to test wire; Described connecting link comprises the insulation sleeve that conducting rod is outer with being wrapped in described conducting rod, and the plug that the two ends of described connecting link are respectively equipped with for described joint inserts the perforate be electrically connected to described conducting rod.
Current Transformer Secondary proving installation of the present invention and combination thereof have following beneficial effect: when the terminal on current transformer is less, use a Current Transformer Secondary proving installation to get final product, in the time of test, as long as reserve three terminals of winding to be tested, clip is clipped in one by one on other terminals of current transformer and gets final product; When changing the winding of wish test, only the clip on three terminals of the winding of wish test need to be unloaded, be clipped in respectively on three terminals of winding of test last time and get final product, easy and simple to handle, time saving and energy saving.When the terminal on current transformer is more, select the combination of a plurality of Current Transformer Secondary proving installations to carry out short-circuit operation.
The accompanying drawing explanation
The structural representation that Fig. 1 is Current Transformer Secondary proving installation of the present invention;
The structural representation of the wire clamp that Fig. 2 is the Current Transformer Secondary proving installation shown in Fig. 1;
The structural representation of the test wire that Fig. 3 is the Current Transformer Secondary proving installation shown in Fig. 1;
The structural representation of Fig. 4 for by connecting link, the joint of the test wire of two Current Transformer Secondary proving installations being connected;
The structural representation of Fig. 5 for by connecting link, the joint of the test wire of three Current Transformer Secondary proving installations being connected, wherein the two ends of a connecting link connect respectively a joint, and another joint is pegged graft with the joint be connected on connecting link;
The cut-open view that Fig. 6 is the connecting link in Fig. 4 and Fig. 5;
Fig. 7 is used the envelope line by the structural representation of a part of terminal short circuit of current transformer in prior art.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
Please refer to the current transformer 100 shown in Fig. 7 terminal 101 structure and the usage that situation is understood Current Transformer Secondary proving installation 10 of the present invention be set.
As shown in Figure 1-Figure 3, the Current Transformer Secondary proving installation of the present embodiment comprises: a test wire 3, and an end of test wire 3 is provided with joint 4; Be used for respectively being clipped in six wire clamps 1 on each terminal 101 of current transformer 100; Six conductors 2, an end of each wire clamp 1 and a wire 2 welds and carries out plastic packaging, and the other end of six conductors 2 interconnects and welds rear plastic packaging with the other end of test wire 3.A-quadrant shown in dotted line frame in Fig. 1, the termination of six conductors 2 interconnects and is connected with the termination of test wire 3, can adopt mechanical connection, as it is kinked together, but this connected mode is reliable not, as preferred version, or the termination of the termination of six conductors 2 and test wire 3 is welded together, the physical strength of its connection and the reliability of electrical connection are relatively good.For the sake of security, although Fig. 1 is not shown, can carry out plastic packaging after the zone shown in Fig. 1 is connected.
In the present embodiment, the quantity of the wire clamp 1 in each Current Transformer Secondary proving installation 10 is six, in fact so long as three multiple all can.Why being set to three multiple, is because electric system comprises three-phase electricity, so the multiple that is three of the number of terminals on current transformer, and the quantity of needed wire clamp 1 is three multiple namely naturally.If it is also operable certainly not being set to three multiple, just have in use the wire clamp 1 of unnecessary free time.
The quantity of wire clamp 1 can be determined according to the quantity of the terminal 101 on the current transformer 100 that will test, terminal 101 numbers on current transformer 100 as shown in Figure 7 are 24, if use a Current Transformer Secondary proving installation to be measured, the quantity of its wire clamp 1 should be 21.In addition, the shape of wire clamp 1 can be various ways, and needn't be as the present embodiment, as long as can realize with the clamping of terminal and be electrically connected to.
In the Current Transformer Secondary proving installation 10 shown in Fig. 1-Fig. 3, wire clamp 1 is 6, why be set to 6 and not to be set to 21 be to consider that wire clamp 1 quantity is too many, the interconnective end of wire 2 will be larger, and its reliability that connects difficulty and connection can be affected.Well imagine, the solderable conductor of 21 wires is connected together, a very large derby will be formed, therefore the reliability aspect consideration that be easy to make and use, it shown in Fig. 1 is 6 that the quantity of wire clamp 1 can be, or is 9 or 12, although can be set in theory any multiple of three, but from the making aspect, consider, too much unsuitable, those skilled in the art can be selected according to actual needs.
As shown in Figure 2, the tail end of the wire clamp 1 in the Current Transformer Secondary proving installation 10 of this enforcement is respectively equipped with the first chuck 11 and the second chuck 12, being insulating material makes, and the tail end of the second chuck 12 offers the hole of passing through for wire 2, wire 2 and rear second chuck 12 plastic packagings that use of wire clamp 1 welding.Certainly, wire clamp 1 is good conductor.
As shown in Figure 3, the joint 4 in the Current Transformer Secondary proving installation 10 of this enforcement, comprise respectively the plug 41 and the jack 42 that are electrically connected to test wire 3, and plug 41 and jack 42 are electrically connected to test wire 3 in joint 4 inside.The size of the plug 41 of joint 4 matches with jack 42 sizes, owing to being standard component, is not repeated herein.If two joints 4 are arranged, the plug of one of them joint 4 41 can be inserted in the jack 42 of another joint 4, and realize both electrical connections.
It may be noted that, as preferred implementation, the Current Transformer Secondary proving installation 10 of the present embodiment as shown in Figure 1 comprises a test wire 3, in fact, in the situation that the quantity of wire clamp 1 meets the test needs, (quantity that wire clamp 1 minimum number on Current Transformer Secondary proving installation 10 is terminal 101 subtracts three, certain more wire clamp 1 also is fine), test wire 3 can be removed to the short circuit between the terminal that can realize too being connected with wire clamp 1.Perhaps a plurality of Current Transformer Secondary proving installations 10 as shown in Figure 1 are used in combination, the interconnective end of its wire 2 is electrically connected to the purpose that (a-quadrant in Fig. 1) also can realize test, has just increased and has connected the step that the interconnective end of wire 2 is electrically connected to.
From the above, for consideration easy to make, in the Current Transformer Secondary proving installation 10 shown in Fig. 1, wire clamp 1 only has six, so the test as shown in Figure 7 be provided with the current transformer 100 of 24 terminals 101 time, with regard to needing, use four Current Transformer Secondary proving installations 10 as shown in Figure 1 to be used in conjunction with, the joint of its test wire 34 is interconnected.Certainly, have three wire clamps 1 in idle condition, they can be clipped on the wire 2 of the wire clamp 1 that other and terminal 101 clamped.Certainly, can select three Current Transformer Secondary proving installations 10 as shown in Figure 1, select in addition a Current Transformer Secondary proving installation that comprises three wire clamps 1.When using a plurality of Current Transformer Secondary proving installations 10 to form the combination of Current Transformer Secondary proving installation, its joint need to interconnect, with the whole short circuits of all wire clamps (and the terminal be connected with them) of realizing them.Please refer to the inserting mode of two joints 4 of Structure Understanding of the joint 4 shown in Fig. 3, any two joints 4 can connect by the mode of pegging graft mutually, the plug 41 that is one of them joint 4 is pegged graft with the jack 42 of another joint 4, a plurality of joints 4 can be linked together.
But the mode that joint 4 is directly pegged graft, when joint 4 is more, may exists and connect inconvenient problem.As shown in Figure 4, between two joints 4, by connecting link 6, connect, the two ends of connecting link 6 connect respectively a joint 4, and plug 41 inserts in connecting link 6.As shown in Figure 6, connecting link 6 comprises the insulation sleeve 62 that conducting rod 61 is outer with being wrapped in conducting rod 61 to the structure of connecting link 6, and the two ends of connecting link 6 are respectively equipped with plug 41 perforates 63 of insertion to be electrically connected to conducting rod 61 for joint 4.
Fig. 5 shows the situation that three joints 4 connect by connecting link 6, and wherein two joints 4 insert respectively connecting link 6 and connected, a jack in the plug of the 3rd joint 4 and two other joint plugs, and has just realized the connection between three joints 4.
Except adopting connecting link, those skilled in the art can also adopt other modes to realize the connection between a plurality of joints 4, for example the connecting link 6 in Fig. 6 can be transformed, can offer the jacks that some plugs 41 for joints 4 insert prolonging its length direction, the metallic conduction part arranged in jack is electrically connected to conducting rod 61, equally also can realize realizing easily the connection between a plurality of joints 4.Again for example, can be connected by the patching panel of a disc-shape, the jack of a week be set on patching panel, between jack at the inner short circuit mutually of patching panel.
Using method below in conjunction with the Current Transformer Secondary proving installation 10 shown in Fig. 7 key diagram 1, adopt four Current Transformer Secondary proving installations 10, the terminal 101 that is wound with envelope line 102 in Fig. 7 is used respectively to wire clamp 1 clamping, use connecting link 6 to be connected four joints of four Current Transformer Secondary proving installations 10 4, can be by the situations that wherein connecting link of two joints 4 employings 6 forms as shown in Figure 4, then the joint 4 of pegging graft respectively again on each joint 4, just realize the short circuit of the joint 4 of four Current Transformer Secondary proving installations 10.With the mode that adopts envelope line 102 to be connected, compare, simple, convenient.
When changing the winding of wish test, only the clip on three terminals of the winding of wish test need to be unloaded, be clipped in respectively upper the getting final product of three terminals (being the terminal do not wound the line in Fig. 7) of the winding of test last time, easy and simple to handle, time saving and energy saving.
Certainly, the above is the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (7)
1. the Current Transformer Secondary proving installation, is characterized in that, comprising:
Be used for being clipped in respectively a plurality of wire clamps on each terminal of current transformer,
Each described wire clamp welds and carries out plastic packaging with an end of a wire respectively, and the other end of many described wires interconnects.
2. Current Transformer Secondary proving installation as claimed in claim 1, is characterized in that,
Also comprise a test wire, an end of described test wire is provided with joint, and the other end of described test wire is connected with the end that many described wires are connected.
3. Current Transformer Secondary proving installation as claimed in claim 1 or 2, is characterized in that, many described wire connection plastic packagings.
4. Current Transformer Secondary proving installation as claimed in claim 1, is characterized in that,
The multiple that the quantity of described wire clamp is three.
5. the combination of Current Transformer Secondary proving installation, is characterized in that, comprises a plurality of Current Transformer Secondary proving installations as claimed in claim 2, and the joint of the test wire of a plurality of described Current Transformer Secondary proving installations interconnects.
6. the combination of Current Transformer Secondary proving installation as claimed in claim 5, is characterized in that, each described joint comprises respectively plug and the jack be electrically connected to test wire, and the plug of one of them joint and the jack of another joint are pegged graft.
7. the combination of Current Transformer Secondary proving installation group as claimed in claim 5, is characterized in that, goes back a connecting link, and the two ends of described connecting link connect respectively a described joint;
Each described joint comprises respectively plug and the jack be electrically connected to test wire;
Described connecting link comprises the insulation sleeve that conducting rod is outer with being wrapped in described conducting rod, and the plug that the two ends of described connecting link are respectively equipped with for described joint inserts the perforate be electrically connected to described conducting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310492688.5A CN103487614B (en) | 2013-10-18 | 2013-10-18 | A kind of safe Current Transformer Secondary test device combination |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310492688.5A CN103487614B (en) | 2013-10-18 | 2013-10-18 | A kind of safe Current Transformer Secondary test device combination |
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| Publication Number | Publication Date |
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| CN103487614A true CN103487614A (en) | 2014-01-01 |
| CN103487614B CN103487614B (en) | 2016-08-24 |
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| CN201310492688.5A Active CN103487614B (en) | 2013-10-18 | 2013-10-18 | A kind of safe Current Transformer Secondary test device combination |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062623A (en) * | 2014-07-03 | 2014-09-24 | 国家电网公司 | Low-voltage-side short circuit device for high-voltage electric transformer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2394338Y (en) * | 1999-09-08 | 2000-08-30 | 大铭电业股份有限公司 | Personal ground leads |
| CN201307691Y (en) * | 2008-09-26 | 2009-09-09 | 北京市电力公司 | Switching device and current transformer testing line |
| CN201450133U (en) * | 2009-06-05 | 2010-05-05 | 上海梅山钢铁股份有限公司 | Low-voltage grounding protection device |
| CN201466258U (en) * | 2009-09-08 | 2010-05-12 | 石家庄霞光电力安全设备有限公司 | Special grounding wire for high/low-voltage cable branch box |
| CN202057683U (en) * | 2011-05-13 | 2011-11-30 | 河南省电力公司驻马店供电公司 | Secondary short-link line used for insulation test |
| CN103337760A (en) * | 2013-07-03 | 2013-10-02 | 国家电网公司 | Secondary short circuiting line for CT and PT |
| CN203519666U (en) * | 2013-10-18 | 2014-04-02 | 国家电网公司 | Current-transformer secondary testing device and combination thereof |
-
2013
- 2013-10-18 CN CN201310492688.5A patent/CN103487614B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2394338Y (en) * | 1999-09-08 | 2000-08-30 | 大铭电业股份有限公司 | Personal ground leads |
| CN201307691Y (en) * | 2008-09-26 | 2009-09-09 | 北京市电力公司 | Switching device and current transformer testing line |
| CN201450133U (en) * | 2009-06-05 | 2010-05-05 | 上海梅山钢铁股份有限公司 | Low-voltage grounding protection device |
| CN201466258U (en) * | 2009-09-08 | 2010-05-12 | 石家庄霞光电力安全设备有限公司 | Special grounding wire for high/low-voltage cable branch box |
| CN202057683U (en) * | 2011-05-13 | 2011-11-30 | 河南省电力公司驻马店供电公司 | Secondary short-link line used for insulation test |
| CN103337760A (en) * | 2013-07-03 | 2013-10-02 | 国家电网公司 | Secondary short circuiting line for CT and PT |
| CN203519666U (en) * | 2013-10-18 | 2014-04-02 | 国家电网公司 | Current-transformer secondary testing device and combination thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062623A (en) * | 2014-07-03 | 2014-09-24 | 国家电网公司 | Low-voltage-side short circuit device for high-voltage electric transformer |
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| Publication number | Publication date |
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| CN103487614B (en) | 2016-08-24 |
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Effective date of registration: 20160707 Address after: 066000 Haiyang Road, Qinhuangdao Harbour District, Hebei, No. 50 Applicant after: Qinhuangdao Power Supply Company of State Grid Jibei Electric Power Company Limited Applicant after: State Grid Corporation of China Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Applicant before: State Grid Corporation of China Applicant before: Qinhuangdao Power Supply Company of State Grid Jibei Electric Power Company Limited |
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