CN204832265U - Following circuit breaker of 35KV and generating line loop resistance rapid survey termination - Google Patents
Following circuit breaker of 35KV and generating line loop resistance rapid survey termination Download PDFInfo
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- CN204832265U CN204832265U CN201520607758.1U CN201520607758U CN204832265U CN 204832265 U CN204832265 U CN 204832265U CN 201520607758 U CN201520607758 U CN 201520607758U CN 204832265 U CN204832265 U CN 204832265U
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- isolating switch
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Abstract
Following circuit breaker of 35KV and generating line loop resistance rapid survey termination, including junction box, two current test lines, two voltage test line, install a pair of current terminal, a pair of voltage terminal on junction box's the panel, install first circuit breaker, second circuit breaker, third circuit breaker on junction box's the panel, current test line one end junction current terminal, the current test line another with be equipped with three branches by test equipment wiring end, be connected with the test in each branch and press from both sides, the voltage terminal is connected to voltage test line one end, voltage test line another with be equipped with three branches by test equipment wiring end, be connected with the test in each branch and press from both sides. The utility model relates to a following circuit breaker of 35KV and generating line loop resistance rapid survey termination during to following circuit breaker of 35KV and generating line measurement galvanic circle resistance, can once insert the measurement line, accomplishes the work of its three -phase return circuit resistance measurement fast.
Description
Technical field
A kind of below 35KV isolating switch of the utility model and bus bar circuit resistance Quick Measurement termination, relate to electrical test field.
Background technology
Now for all kinds of isolating switchs of below 35KV electric pressure, when measuring loop resistance under "on" position, measuring wiring and all adopting four-wire method measuring technology, both modes of one group of electric current and pressure-wire.Surveying work flow process is: access slotted line tester measuring resistance at one of isolating switch into and out of line end, measure an isolating switch and need change three wiring.Bus metering system is identical with isolating switch, also must change three wiring.Its drawback existed is: can not complete surveying work by primary connection, when carrying out isolating switch and bus test maintenance for large power plant and transformer station, adopts the traditional wired effect that wastes time and energy not high.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of below 35KV isolating switch and bus bar circuit resistance Quick Measurement termination, when galvanic circle resistance is measured for below 35KV isolating switch and bus, once can access slotted line, complete its three-phase loop resistance measurement work fast.
The technical scheme that the utility model adopts is:
Below 35KV isolating switch and bus bar circuit resistance Quick Measurement termination, comprise junction box, two testing current lines, two voltage tester lines, the panel of described junction box is provided with a pair current terminal, a pair voltage terminal, the panel of described junction box is provided with the first isolating switch, the second isolating switch, the 3rd isolating switch, described testing current line one end connects current terminal, another and tested appliance terminal of described testing current line are provided with three branches, and each branch is connected with test clip;
Described voltage tester line one end connects voltage terminal, and another and tested appliance terminal of described voltage tester line are provided with three branches, and each branch is connected with test clip.
Described testing current line one end arranges line nose, and for accessing current terminal, the other end of testing current line arranges three branches, installs current clamp.
Described voltage tester line: wherein one end of a voltage tester line arranges line nose, for accessing voltage terminal, the other end of voltage tester line arranges three branches, installs voltage clamp; Another root voltage tester line one end arranges line nose, for accessing voltage terminal and outgoing line side, the outgoing line side of the second isolating switch, the outgoing line side of the 3rd isolating switch of access in parallel first isolating switch, voltage clamp is installed respectively in the inlet wire side of the inlet wire side of the first isolating switch, the inlet wire side of the second isolating switch, the 3rd isolating switch.
Described testing current line is single core multiply silicon rubber insulation wire, and core cross section is not less than 50mm
2.
Described voltage tester line is four-core silicon rubber insulated cable.
The following isolating switch of the utility model 35KV and bus bar circuit resistance Quick Measurement termination, can integrate p-wire, change three phase connections by switch, once accesses the loop resistance measurement that slotted line can carry out isolating switch three-phase.By using rapid measurement device, can Measuring Time be saved, reducing working strength.The repeated work of below 35KV isolating switch and bus test can be alleviated by this device, improve the work efficiency of electrical test.
Accompanying drawing explanation
Fig. 1 is the utility model apparatus structure schematic diagram;
Fig. 2 is the utility model device cut-away drawing;
Wherein: A ', B ', C ', all represent tested equipment.
Embodiment
As shown in Figure 1 and Figure 2, below 35KV isolating switch and bus bar circuit resistance Quick Measurement termination, comprise junction box's 1, two testing current lines 4, two voltage tester lines 5.
The panel of described junction box 1 is provided with the current terminal 2 of a pair Φ 80mm, the voltage terminal 3 of a pair Φ 40mm,
The panel of described junction box 1 is provided with the first isolating switch A, the second isolating switch B, the 3rd isolating switch C.
The panel size of junction box 1: 290mm*180mm.
Described testing current line 4 one end connects current terminal 2, and another and tested appliance terminal of described testing current line 4 are provided with three branches, and each branch is connected with test clip;
Described voltage tester line 5 one end connects voltage terminal 3, and another and tested appliance terminal of described voltage tester line 5 are provided with three branches, and each branch is connected with test clip.
Described testing current line 4 one end arranges line nose, and for accessing current terminal 2, the other end of testing current line 4 arranges three branches, installs current clamp.
Described voltage tester line 5: wherein one end of a voltage tester line arranges line nose, for accessing voltage terminal 3, the other end of voltage tester line 5 arranges three branches, installs voltage clamp;
Another root voltage tester line one end arranges line nose, for accessing voltage terminal 3 and outgoing line side, the outgoing line side of the second isolating switch B, the outgoing line side of the 3rd isolating switch C of access in parallel first isolating switch A, voltage clamp is installed respectively in the inlet wire side of the inlet wire side of the first isolating switch A, the inlet wire side of the second isolating switch B, the 3rd isolating switch C.
Described testing current line 4 is single core multiply silicon rubber insulation wire, and core cross section is not less than 50mm
2, current-carrying capacity 100A can be met.
Described voltage tester line 5 is four-core silicon rubber insulated cable.Pressure-wire adopts four-core silicon rubber insulated cable, and cable is 4*1.5mm
2, wherein a core (black) accesses testing tool termination Φ 5mm cylindrical plug, and p-wire accesses tested equipment side termination and does three long branches of 50mm and connect the test clip that opening is not less than 20mm.Other three cores (Huang Xin, green core, red core) of cable are at the first isolating switch A, the second isolating switch B, the 3rd isolating switch C that access testing tool end series connection access three single-phase 1A, outgoing line side parallel three phase connects Φ 5mm cylindrical plug, and isolating switch inlet wire side accesses three cores (Huang Xin, green core, red core) of cable respectively.The test clip that opening is not less than 20mm is connected in the tested equipment side termination of the access of p-wire.P-wire length can be determined as required.
The following isolating switch of the utility model 35KV and bus bar circuit resistance Quick Measurement termination, on the basis not changing testing tool measuring method, the peripheral mode of connection is improved, two testing current lines 4 do not make in testing tool terminals mode and change, doing three-phase branch respectively with tested equipment connection end and connect test clip at p-wire.Two voltage tester lines 5 are transformed, one wherein is piece constant at testing tool terminals, do three-phase branch in the tested equipment end of access and connect test clip, another p-wire is connected in testing tool terminated line place, and three single-phase circuit breaker outgoing line sides are in parallel accesses testing tools, and isolating switch inlet wire side is accessed three-phase test clamp respectively and accessed tested equipment.
Claims (5)
- Below 1.35KV isolating switch and bus bar circuit resistance Quick Measurement termination, comprise junction box (1), two testing current lines (4), two voltage tester lines (5), it is characterized in that, the panel of described junction box (1) is provided with a pair current terminal (2), a pair voltage terminal (3), the panel of described junction box (1) is provided with the first isolating switch (A), second isolating switch (B), 3rd isolating switch (C), described testing current line (4) one end connects current terminal (2), another and tested appliance terminal of described testing current line (4) are provided with three branches, each branch is connected with test clip, described voltage tester line (5) one end connects voltage terminal (3), and another and tested appliance terminal of described voltage tester line (5) are provided with three branches, and each branch is connected with test clip.
- 2. below 35KV isolating switch and bus bar circuit resistance Quick Measurement termination according to claim 1, is characterized in that,Described testing current line (4) one end arranges line nose, and for accessing current terminal (2), the other end of testing current line (4) arranges three branches, installs current clamp.
- 3. below 35KV isolating switch and bus bar circuit resistance Quick Measurement termination according to claim 1, is characterized in that,Described voltage tester line (5): wherein one end of a voltage tester line arranges line nose, for accessing voltage terminal (3), the other end of voltage tester line (5) arranges three branches, installs voltage clamp; Another root voltage tester line one end arranges line nose, for accessing voltage terminal (3) and outgoing line side, the outgoing line side of the second isolating switch (B), the outgoing line side of the 3rd isolating switch (C) of access in parallel first isolating switch (A); Voltage clamp is installed respectively in the inlet wire side of the inlet wire side of the first isolating switch (A), the inlet wire side of the second isolating switch (B), the 3rd isolating switch (C).
- 4. below 35KV isolating switch and bus bar circuit resistance Quick Measurement termination according to claim 1 or 2, is characterized in that, described testing current line (4) is single core multiply silicon rubber insulation wire, and core cross section is not less than 50mm 2.
- 5. below 35KV isolating switch and bus bar circuit resistance Quick Measurement termination according to claim 1 or 2, it is characterized in that, described voltage tester line (5) is four-core silicon rubber insulated cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607758.1U CN204832265U (en) | 2015-08-13 | 2015-08-13 | Following circuit breaker of 35KV and generating line loop resistance rapid survey termination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607758.1U CN204832265U (en) | 2015-08-13 | 2015-08-13 | Following circuit breaker of 35KV and generating line loop resistance rapid survey termination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204832265U true CN204832265U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520607758.1U Expired - Fee Related CN204832265U (en) | 2015-08-13 | 2015-08-13 | Following circuit breaker of 35KV and generating line loop resistance rapid survey termination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204832265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123046A (en) * | 2019-12-03 | 2020-05-08 | 国网河南省电力公司鹤壁供电公司 | Device for rapidly measuring cable insulation strength |
| CN111722016A (en) * | 2020-06-11 | 2020-09-29 | 广东电网有限责任公司 | GIS loop test system and method based on three-phase injection method |
-
2015
- 2015-08-13 CN CN201520607758.1U patent/CN204832265U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123046A (en) * | 2019-12-03 | 2020-05-08 | 国网河南省电力公司鹤壁供电公司 | Device for rapidly measuring cable insulation strength |
| CN111123046B (en) * | 2019-12-03 | 2022-06-10 | 国网河南省电力公司鹤壁供电公司 | Device for rapidly measuring cable insulation strength |
| CN111722016A (en) * | 2020-06-11 | 2020-09-29 | 广东电网有限责任公司 | GIS loop test system and method based on three-phase injection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20200813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |