CN204789785U - Portable intelligent substation relay protection testing arrangement - Google Patents
Portable intelligent substation relay protection testing arrangement Download PDFInfo
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- CN204789785U CN204789785U CN201520382867.8U CN201520382867U CN204789785U CN 204789785 U CN204789785 U CN 204789785U CN 201520382867 U CN201520382867 U CN 201520382867U CN 204789785 U CN204789785 U CN 204789785U
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Abstract
The utility model provides a portable intelligent substation relay protection testing arrangement, includes long lead, test box, pincerlike phase place volometer, the long lead is used for voltage input to the test box with voltage transformer secondary winding, the test box is used for testing the voltage of long lead input and shows this magnitude of voltage, offers pincerlike phase place volometer with this voltage simultaneously, pincerlike phase place volometer is used for measuring voltage that the test box provided and other parameters of secondary winding, will be at a distance of the magnitude of voltage input test box of voltage transformer's far away secondary winding end through the long lead, offer pincerlike phase place volometer by the test box with this voltage again, voltage and electric current and other parameters of the secondary winding side that pincerlike phase place volometer like this can the simultaneous measurement need detect, high -efficient completion is to overload protection device's among the intelligent substation test.
Description
Technical field
The utility model relates to the relay protection monitoring technical field in intelligent substation, particularly relates to a kind of portable intelligent substation relay protection proving installation.
Background technology
Tradition transformer station; current transformer and voltage transformer (VT) are usually placed in outdoor switch field or indoor switch cabinet; transformer induced to the data such as electric current and voltage collected in relay protection indoor by linear quadratic control cable; thus be supplied to relevant protective relaying device, measuring relevant parameter by pincers phase volt-ampere meter.
Along with popularizing of intelligent substation, because Intelligent protective relaying device is by optical fiber networking, the simulated data such as electric current, voltage is not collected at a place, apart from each other, cannot by pincers phase volt-ampere meter at place's collecting test.
Summary of the invention
Be necessary to propose a kind of be applicable to intelligent substation, can the portable intelligent substation relay protection proving installation of simultaneously various data such as measuring voltage, electric current.
A kind of portable intelligent substation relay protection proving installation, comprise long lead, test box, pincers phase volt-ampere meter, the voltage of secondary windings of PT is inputed to test box by described long lead, the voltage that described test box test long lead inputs also shows this magnitude of voltage, this voltage is supplied to pincers phase volt-ampere meter, other parameters of the Secondary Winding of the voltage that described pincers phase volt-ampere meter measurement test box provides and tested main-transformer simultaneously, the test circuit that described test box comprises casing, is arranged on the panel in casing and is arranged on panel, described test circuit comprises the first proving installation, the second proving installation, the 3rd proving installation and negative pole access device, and the first proving installation, the second proving installation, the 3rd proving installation and negative pole access device are electrically connected, first proving installation comprises busbar voltage electrode input end, switch, first voltage table and test voltage cathode output end, one end of busbar voltage electrode input end and one end of switch are electrically connected, be exposed at outside the other end of busbar voltage electrode input end on panel and be connected to access long lead with external voltage, the other end of switch and one end of test voltage cathode output end are electrically connected, be exposed at outside the other end of test voltage cathode output end on panel to be electrically connected with pincers phase volt-ampere meter, the positive terminal of the first voltage table and the other end of switch are electrically connected, negative pole end and the negative pole access device of the first voltage table are electrically connected, second proving installation comprises busbar voltage electrode input end, switch, second voltage table and test voltage cathode output end, one end of busbar voltage electrode input end and one end of switch are electrically connected, be exposed at outside the other end of busbar voltage electrode input end on panel and be connected to access long lead with external voltage, the other end of switch and one end of test voltage cathode output end are electrically connected, be exposed at outside the other end of test voltage cathode output end on panel to be electrically connected with pincers phase volt-ampere meter, the positive terminal of the second voltage table and the other end of switch are electrically connected, negative pole end and the negative pole access device of the second voltage table are electrically connected, 3rd proving installation comprises busbar voltage electrode input end, switch, tertiary voltage table and test voltage cathode output end, one end of busbar voltage electrode input end and one end of switch are electrically connected, be exposed at outside the other end of busbar voltage electrode input end on panel and be connected to access long lead with external voltage, the other end of switch and one end of test voltage cathode output end are electrically connected, be exposed at outside the other end of test voltage cathode output end on panel to be electrically connected with pincers phase volt-ampere meter, the positive terminal of tertiary voltage table and the other end of switch are electrically connected, negative pole end and the negative pole access device of tertiary voltage table are electrically connected, negative pole access device comprises busbar voltage negative input and test voltage cathode output end, busbar voltage negative input, test voltage cathode output end are electrically connected mutually by long lead, and the long lead between the negative pole end of the first voltage table, the second voltage table and tertiary voltage table and busbar voltage negative input, test voltage cathode output end is electrically connected.
Preferably, the upper surface of panel is provided with pincers phase volt-ampere meter rest area.
Preferably, described first proving installation also comprises fuse, and the other end of one end of fuse and the switch of the first proving installation is electrically connected, and one end of the other end of fuse and the test voltage cathode output end of the first proving installation is electrically connected.
Preferably, described second proving installation also comprises fuse, and the other end of one end of fuse and the switch of the second proving installation is electrically connected, and one end of the other end of fuse and the test voltage cathode output end of the second proving installation is electrically connected.
Preferably, described 3rd proving installation also comprises fuse, and the other end of one end of fuse and the switch of the 3rd proving installation is electrically connected, and one end of the other end of fuse and the test voltage cathode output end of the 3rd proving installation is electrically connected.
In above-mentioned portable intelligent substation relay protection proving installation; test box is placed in is convenient to the place that pincers phase volt-ampere meter measures electric current; by the magnitude of voltage input test case of long lead by the Secondary Winding end of voltage transformer (VT) apart from each other; by test box, this voltage is supplied to pincers phase volt-ampere meter again; pincers phase volt-ampere meter like this can measure the voltage and current and other parameters that need the Secondary Winding side detected simultaneously, efficiently completes the test to protective relaying device in intelligent substation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the test box of portable intelligent substation relay protection proving installation.
Fig. 2 is the structural representation of the pincers phase volt-ampere meter of portable intelligent substation relay protection proving installation.
Fig. 3 is the test circuit figure of the test box of portable intelligent substation relay protection proving installation.
In figure: the test box 10 of portable intelligent substation relay protection proving installation, casing 101, panel 102, pincers phase volt-ampere meter rest area 103, pincers phase volt-ampere meter 20.
Embodiment
See Fig. 1 ~ Fig. 3; portable intelligent substation relay protection proving installation; comprise long lead, test box 10, pincers phase volt-ampere meter 20; long lead is that two ends have the Huang of plug, four groups of normal voltage p-wires of green, red, black; the voltage of secondary windings of PT is inputed to test box by long lead; the voltage that test box test long lead inputs also shows this magnitude of voltage; this voltage is supplied to pincers phase volt-ampere meter, other parameters of the Secondary Winding of the voltage that pincers phase volt-ampere meter measurement test box provides and tested main-transformer simultaneously.
Wherein, the test circuit that test box comprises casing 101, is arranged on the panel 102 in casing and is arranged on panel, the upper surface of panel 102 is also provided with pincers phase volt-ampere meter rest area 103, test circuit comprises the first proving installation, the second proving installation, the 3rd proving installation and negative pole access device, and the first proving installation, the second proving installation, the 3rd proving installation and negative pole access device are electrically connected;
First proving installation comprises busbar voltage electrode input end UA, K switch 1, first voltage table V1 and test voltage cathode output end Ua, one end of busbar voltage electrode input end UA and one end of K switch 1 are electrically connected, the other end of busbar voltage electrode input end UA exposes and is connected to access long lead with external voltage on face 102, the other end of K switch 1 and one end of test voltage cathode output end Ua are electrically connected, the other end of test voltage cathode output end Ua exposes on face 102 to be electrically connected with pincers phase volt-ampere meter, the positive terminal of the first voltage table V1 and the other end of K switch 1 are electrically connected, negative pole end and the negative pole access device of the first voltage table V1 are electrically connected,
Second proving installation comprises busbar voltage electrode input end UB, K switch 2, second voltage table V2 and test voltage cathode output end Ub, one end of busbar voltage electrode input end UB and one end of K switch 2 are electrically connected, the other end of busbar voltage electrode input end UB exposes and is connected to access long lead with external voltage on face 102, the other end of K switch 2 and one end of test voltage cathode output end Ub are electrically connected, the other end of test voltage cathode output end Ub exposes on face 102 to be electrically connected with pincers phase volt-ampere meter, the positive terminal of the second voltage table V2 and the other end of K switch 2 are electrically connected, negative pole end and the negative pole access device of the second voltage table V2 are electrically connected,
3rd proving installation comprises busbar voltage electrode input end UC, K switch 3, tertiary voltage Table V 3 and test voltage cathode output end Uc, one end of busbar voltage electrode input end UC and one end of K switch 3 are electrically connected, the other end of busbar voltage electrode input end UC exposes and is connected to access long lead with external voltage on face 102, the other end of K switch 3 and one end of test voltage cathode output end Uc are electrically connected, the other end of test voltage cathode output end Uc exposes on face 102 to be electrically connected with pincers phase volt-ampere meter, the positive terminal of tertiary voltage Table V 3 and the other end of K switch 3 are electrically connected, negative pole end and the negative pole access device of tertiary voltage Table V 3 are electrically connected,
Negative pole access device comprises busbar voltage negative input UN and test voltage cathode output end Un, busbar voltage negative input UN, test voltage cathode output end Un are electrically connected mutually by long lead, and the negative pole end of the first voltage table V1, the second voltage table V2 and tertiary voltage Table V 3 and the long lead between busbar voltage negative input UN, test voltage cathode output end Un are electrically connected.
Further, first proving installation also comprises fuse FU1, the other end of one end of fuse FU1 and the K switch 1 of the first proving installation is electrically connected, and one end of the other end of fuse FU1 and the test voltage cathode output end Ua of the first proving installation is electrically connected.Second proving installation also comprises fuse FU2, and the other end of one end of fuse FU2 and the K switch 2 of the second proving installation is electrically connected, and one end of the other end of fuse FU2 and the test voltage cathode output end Ub of the second proving installation is electrically connected.3rd proving installation also comprises fuse FU3, and the other end of one end of fuse FU3 and the K switch 3 of the 3rd proving installation is electrically connected, and one end of the other end of fuse FU3 and the test voltage cathode output end Uc of the 3rd proving installation is electrically connected.Inline fuse in the first proving installation, the second proving installation, the 3rd proving installation, when in test circuit during electric voltage exception, fuse can disconnect, and ensures the safety of test circuit or staff.
When using the test of portable intelligent substation relay protection proving installation; such as; relating rule is carried out to main-transformer three side in certain 110 kv substation; use long lead to be connected with voltage input end UA, UB, UC of test box respectively by the secondary windings of PT end of the 110KV high-pressure side of main-transformer, 35KV medium voltage side, 10KV low-pressure side, UN holds ground connection.
When needing the relation of testing the on high-tension side voltage of 110KV of main-transformer and electric current, first K switch 1 of closed first proving installation, first proving installation work, first voltage table V1 shows the on high-tension side magnitude of voltage of 110KV of main-transformer, by the test voltage cathode output end Ua of the voltage test pencil of pincers phase volt-ampere meter access test box, test voltage cathode output end Un, the current clamp of pincers phase volt-ampere meter and the on high-tension side secondary winding in current transformer end of the 110KV of main-transformer are connected, the phase relation of the on high-tension side voltage of 110KV of main-transformer and the on high-tension side electric current of 110KV of main-transformer can be measured, the secondary winding in current transformer end of the current clamp of pincers phase volt-ampere meter with the 35KV medium voltage side of main-transformer is connected, the phase relation of the electric current of the on high-tension side voltage of 110KV of main-transformer and the 35KV medium voltage side of main-transformer can be measured, the secondary winding in current transformer end of the current clamp of pincers phase volt-ampere meter with the 10KV low-pressure side of main-transformer is connected, the phase relation of the electric current of the on high-tension side voltage of 110KV of main-transformer and the 10KV low-pressure side of main-transformer can be measured,
When needing to test the relation of the voltage of 35KV medium voltage side of main-transformer and electric current, the second switch K2 of closed second proving installation, second proving installation work, second voltage table V2 shows the magnitude of voltage of the 35KV medium voltage side of main-transformer, by the test voltage cathode output end Ub of the voltage test pencil of pincers phase volt-ampere meter access test box, test voltage cathode output end Un, the current clamp of pincers phase volt-ampere meter and the on high-tension side secondary winding in current transformer end of the 110KV of main-transformer are connected, the phase relation of the voltage of the 35KV medium voltage side of main-transformer and the on high-tension side electric current of 110KV of main-transformer can be measured, the secondary winding in current transformer end of the current clamp of pincers phase volt-ampere meter with the 35KV medium voltage side of main-transformer is connected, the phase relation of the electric current of the voltage of the 35KV medium voltage side of main-transformer and the 35KV medium voltage side of main-transformer can be measured, the secondary winding in current transformer end of the current clamp of pincers phase volt-ampere meter with the 10KV low-pressure side of main-transformer is connected, the phase relation of the electric current of the voltage of the 35KV medium voltage side of main-transformer and the 10KV low-pressure side of main-transformer can be measured,
When needing to test the relation of the voltage of 10KV low-pressure side of main-transformer and electric current, 3rd K switch 3 of closed 3rd proving installation, 3rd proving installation work, tertiary voltage Table V 3 shows the magnitude of voltage of the 10KV low-pressure side of main-transformer, by the test voltage cathode output end Uc of the voltage test pencil of pincers phase volt-ampere meter access test box, test voltage cathode output end Un, the current clamp of pincers phase volt-ampere meter and the on high-tension side secondary winding in current transformer end of the 110KV of main-transformer are connected, the phase relation of the voltage of the 10KV low-pressure side of main-transformer and the on high-tension side electric current of 110KV of main-transformer can be measured, the secondary winding in current transformer end of the current clamp of pincers phase volt-ampere meter with the 35KV medium voltage side of main-transformer is connected, the phase relation of the electric current of the voltage of the 10KV low-pressure side of main-transformer and the 35KV medium voltage side of main-transformer can be measured, the secondary winding in current transformer end of the current clamp of pincers phase volt-ampere meter with the 10KV low-pressure side of main-transformer is connected, the phase relation of the electric current of the voltage of the 10KV low-pressure side of main-transformer and the 10KV low-pressure side of main-transformer can be measured.
Voltage table display magnitude of voltage staff can be helped to judge that test circuit has non-fault, if voltage table display voltage value wrong, staff can disconnect inductive switch, check circuit, the voltage avoiding pincers phase volt-ampere meter to measure or electric current wrong.
Claims (5)
1. a portable intelligent substation relay protection proving installation, it is characterized in that: comprise long lead, test box, pincers phase volt-ampere meter, the voltage of secondary windings of PT is inputed to test box by described long lead, the voltage that described test box test long lead inputs also shows this magnitude of voltage, this voltage is supplied to pincers phase volt-ampere meter, other parameters of the Secondary Winding of the voltage that described pincers phase volt-ampere meter measurement test box provides and tested main-transformer simultaneously, the test circuit that described test box comprises casing, is arranged on the panel in casing and is arranged on panel, described test circuit comprises the first proving installation, the second proving installation, the 3rd proving installation and negative pole access device, and the first proving installation, the second proving installation, the 3rd proving installation and negative pole access device are electrically connected, first proving installation comprises busbar voltage electrode input end, switch, first voltage table and test voltage cathode output end, one end of busbar voltage electrode input end and one end of switch are electrically connected, be exposed at outside the other end of busbar voltage electrode input end on panel and be connected to access long lead with external voltage, the other end of switch and one end of test voltage cathode output end are electrically connected, be exposed at outside the other end of test voltage cathode output end on panel to be electrically connected with pincers phase volt-ampere meter, the positive terminal of the first voltage table and the other end of switch are electrically connected, negative pole end and the negative pole access device of the first voltage table are electrically connected,
Second proving installation comprises busbar voltage electrode input end, switch, second voltage table and test voltage cathode output end, one end of busbar voltage electrode input end and one end of switch are electrically connected, be exposed at outside the other end of busbar voltage electrode input end on panel and be connected to access long lead with external voltage, the other end of switch and one end of test voltage cathode output end are electrically connected, be exposed at outside the other end of test voltage cathode output end on panel to be electrically connected with pincers phase volt-ampere meter, the positive terminal of the second voltage table and the other end of switch are electrically connected, negative pole end and the negative pole access device of the second voltage table are electrically connected, 3rd proving installation comprises busbar voltage electrode input end, switch, tertiary voltage table and test voltage cathode output end, one end of busbar voltage electrode input end and one end of switch are electrically connected, be exposed at outside the other end of busbar voltage electrode input end on panel and be connected to access long lead with external voltage, the other end of switch and one end of test voltage cathode output end are electrically connected, be exposed at outside the other end of test voltage cathode output end on panel to be electrically connected with pincers phase volt-ampere meter, the positive terminal of tertiary voltage table and the other end of switch are electrically connected, negative pole end and the negative pole access device of tertiary voltage table are electrically connected, negative pole access device comprises busbar voltage negative input and test voltage cathode output end, busbar voltage negative input, test voltage cathode output end are electrically connected mutually by long lead, and the long lead between the negative pole end of the first voltage table, the second voltage table and tertiary voltage table and busbar voltage negative input, test voltage cathode output end is electrically connected.
2. portable intelligent substation relay protection proving installation as claimed in claim 1, is characterized in that: the upper surface of panel is provided with pincers phase volt-ampere meter rest area.
3. portable intelligent substation relay protection proving installation as claimed in claim 1; it is characterized in that: described first proving installation also comprises fuse; the other end of one end of fuse and the switch of the first proving installation is electrically connected, and one end of the other end of fuse and the test voltage cathode output end of the first proving installation is electrically connected.
4. portable intelligent substation relay protection proving installation as claimed in claim 1; it is characterized in that: described second proving installation also comprises fuse; the other end of one end of fuse and the switch of the second proving installation is electrically connected, and one end of the other end of fuse and the test voltage cathode output end of the second proving installation is electrically connected.
5. portable intelligent substation relay protection proving installation as claimed in claim 1; it is characterized in that: described 3rd proving installation also comprises fuse; the other end of one end of fuse and the switch of the 3rd proving installation is electrically connected, and one end of the other end of fuse and the test voltage cathode output end of the 3rd proving installation is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520382867.8U CN204789785U (en) | 2015-06-04 | 2015-06-04 | Portable intelligent substation relay protection testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520382867.8U CN204789785U (en) | 2015-06-04 | 2015-06-04 | Portable intelligent substation relay protection testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN204789785U true CN204789785U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520382867.8U Expired - Fee Related CN204789785U (en) | 2015-06-04 | 2015-06-04 | Portable intelligent substation relay protection testing arrangement |
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| Country | Link |
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| CN (1) | CN204789785U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093521A (en) * | 2016-06-17 | 2016-11-09 | 广州极飞电子科技有限公司 | Electric current detecting method, device and battery management system |
| CN107037315A (en) * | 2017-04-16 | 2017-08-11 | 赵洁 | A kind of large-scale workshop inspector uses machine winding detection means |
-
2015
- 2015-06-04 CN CN201520382867.8U patent/CN204789785U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093521A (en) * | 2016-06-17 | 2016-11-09 | 广州极飞电子科技有限公司 | Electric current detecting method, device and battery management system |
| CN107037315A (en) * | 2017-04-16 | 2017-08-11 | 赵洁 | A kind of large-scale workshop inspector uses machine winding detection means |
| CN107037315B (en) * | 2017-04-16 | 2019-09-20 | 赵浩 | A kind of large size workshop inspector machine winding detection device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160604 |