CN204882716U - Novel line parameter tests appurtenance device - Google Patents
Novel line parameter tests appurtenance device Download PDFInfo
- Publication number
- CN204882716U CN204882716U CN201520487879.7U CN201520487879U CN204882716U CN 204882716 U CN204882716 U CN 204882716U CN 201520487879 U CN201520487879 U CN 201520487879U CN 204882716 U CN204882716 U CN 204882716U
- Authority
- CN
- China
- Prior art keywords
- phase
- looks
- earthed pole
- ground rod
- disconnecting link
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 230000008859 change Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000004593 Epoxy Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model relates to a novel line parameter tests appurtenance device, its technical scheme is: the utility model discloses a top of test box, test box is equipped with the switch, the both sides of switch be equipped with the three -phase short circuit respectively and connect and connect with three -phase short to ground, be equipped with the three -phase switch on the test box, the three -phase switch passes through three -phase test wire connection three -phase earthed pole, the three -phase earthed pole include A looks earthed pole, B looks earthed pole, C looks earthed pole, a looks earthed pole, B looks earthed pole and C looks earthed pole articulate pole and earthed pole joint, earthed pole articulate three -phase test wire by epoxy, the beneficial effects of the utility model are that: replace switching operation and change shorting stub through switch freely switching between three kinds of states, saved operation personnel complex step.
Description
Technical field
The utility model relates to a kind of line parameter circuit value proving installation, particularly a kind of Novel line parameter testing auxiliary tool device.
Background technology
At present; all new erections and transformation 220kV and above ultra-high-tension power transmission line before putting into operation; except checking line insulation situation, checking except phase place; also need to provide field measurement circuit power frequency parameter value accurately and reliably, to distribute as computing system short-circuit current, relay protection setting, reckoning trend and to select the actual foundation of the work such as the reasonable method of operation.The power frequency parameter of overhead transmission line mainly tests insulation resistance (comprising circuit nuclear phase), direct current resistance, positive sequence impedance, zero sequence impedance, positive sequence electric capacity, zero sequence electric capacity.Line parameter circuit value testing experiment flow process is complicated, step is various, needs testing crew to carry out the operations such as mounting line, line short circuit at circuit two ends, also needs operations staff's deciliter line-to-ground disconnecting link to coordinate in process of the test simultaneously.All bring a lot of repeatability trouble to like this operations staff and testing crew.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, a kind of Novel line parameter testing auxiliary tool device is provided, replace grid switching operation by disconnecting link freely switching between three kinds of states and change shorting stub, eliminating the step that operations staff coordinates.
Its technical scheme is: the utility model comprises test casing, the top of test casing is provided with disconnecting link, the both sides of described disconnecting link are respectively equipped with three-phase short circuit joint and three-phase shortcircuit ground joint, test casing is provided with three-phase disconnecting link, three-phase disconnecting link connects three-phase ground bar by three-phase p-wire, described three-phase ground bar comprises A phase ground rod, B phase ground rod, C phase ground rod, A phase ground rod, B phase ground rod and C phase ground rod mount bar by epoxy resin respectively and ground rod joint forms, and ground rod joint connects three-phase p-wire.
Above-mentioned epoxy resin mounting bar is expansion link, and expansion link can free adjustment collapsing length, realizes the convenience of test.
The beneficial effects of the utility model are: line parameter circuit value testing experiment flow process is simple, step is few, and do not need testing crew to carry out the operations such as mounting line, line short circuit at circuit two ends, in process of the test, operations staff's deciliter line-to-ground switch operation is simple; Replace grid switching operation by disconnecting link freely switching between three kinds of states and change shorting stub, eliminating the step that operations staff coordinates.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is structural representations of A phase ground rod;
In upper figure: test casing 1, disconnecting link 2, three-phase short circuit joint 3, three-phase shortcircuit ground joint 4, three-phase disconnecting link 5, three-phase p-wire 6, A phase ground rod 7, B phase ground rod 8 and C phase ground rod 9.
Embodiment
1-2 by reference to the accompanying drawings, the utility model will be further described:
The utility model comprises test casing 1, the top of test casing 1 is provided with disconnecting link 2, the both sides of described disconnecting link 2 are respectively equipped with three-phase short circuit joint 3 and three-phase shortcircuit ground joint 4, test casing 1 is provided with three-phase disconnecting link 5, three-phase disconnecting link 5 connects three-phase ground bar by three-phase p-wire 6, described three-phase ground bar comprises A phase ground rod 7, B phase ground rod 8, C phase ground rod 9, A phase ground rod 7, B phase ground rod 8 and C phase ground rod 9 mount bar a and ground rod joint b by epoxy resin respectively and form, and ground rod joint b connects three-phase p-wire 6.
Wherein, epoxy resin mounting bar is expansion link, and expansion link can free adjustment collapsing length, realizes the convenience of test.
The method of testing of the above-mentioned Novel line parameter testing auxiliary tool device mentioned, comprises the following steps:
A) three-phase ground bar adopts ground rod joint and epoxy resin mounting bar, epoxy resin mounting bar as with line wire coupling part, the connection of ground rod joint and three-phase disconnecting link main body adopts 16 square millimeters of individual safety wires, the material of main part of three-phase disconnecting link device is the case structure of epoxide resin material, and operation part adopts the hand held device of open type;
B) copper bar is processed, make three-phase disconnecting link, and with copper bar, disconnecting link both sides are respectively equipped with three-phase shortcircuit joint, three-phase shortcircuit ground joint, adopt the annealed copper wire of 25 square millimeters, three-phase disconnecting link is drawn out to body side respectively from box house;
C) when testing, three-phase ground knock-off joint is clamped corresponding line wire respectively, test line is through lead-in wire, and point three-phase introduces disconnecting link, and when disconnecting link is placed in centre position, circuit is in three-phase open-circuit condition; When disconnecting link is in three-phase short circuit side, circuit is in three-phase shortcircuit state; Disconnecting link be in three-phase shortcircuit and ground connection side time, circuit is in three-phase shortcircuit ground connection, by disconnecting link freely switching between three kinds of states replace grid switching operation and change shorting stub, eliminate operations staff coordinate step, complete test.
The beneficial effects of the utility model are: line parameter circuit value testing experiment flow process is simple, step is few, and do not need testing crew to carry out the operations such as mounting line, line short circuit at circuit two ends, in process of the test, operations staff's deciliter line-to-ground switch operation is simple; Replace grid switching operation by disconnecting link freely switching between three kinds of states and change shorting stub, eliminating the step that operations staff coordinates.
The above, be only part preferred embodiment of the present utility model, any those of ordinary skill in the art all may utilize the technical scheme correct of above-mentioned elaboration or are revised as equivalent technical scheme.Therefore, any simple modification of carrying out according to the technical solution of the utility model or substitute equivalents, belong to the greatest extent the scope that the utility model is claimed.
Claims (2)
1. a Novel line parameter testing auxiliary tool device, it is characterized in that: comprise test casing (1), the top of test casing (1) is provided with disconnecting link (2), the both sides of described disconnecting link (2) are respectively equipped with three-phase short circuit joint (3) and three-phase shortcircuit ground joint (4), test casing (1) is provided with three-phase disconnecting link (5), three-phase disconnecting link (5) connects three-phase ground bar by three-phase p-wire (6), described three-phase ground bar comprises A phase ground rod (7), B phase ground rod (8), C phase ground rod (9), A phase ground rod (7), B phase ground rod (8) and C phase ground rod (9) mount bar (a) by epoxy resin respectively and ground rod joint (b) forms, ground rod joint (b) connects three-phase p-wire (6).
2. a kind of Novel line parameter testing auxiliary tool device according to claim 1, is characterized in that: described epoxy resin mounting bar (a) is expansion link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520487879.7U CN204882716U (en) | 2015-07-08 | 2015-07-08 | Novel line parameter tests appurtenance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520487879.7U CN204882716U (en) | 2015-07-08 | 2015-07-08 | Novel line parameter tests appurtenance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204882716U true CN204882716U (en) | 2015-12-16 |
Family
ID=54827075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520487879.7U Expired - Fee Related CN204882716U (en) | 2015-07-08 | 2015-07-08 | Novel line parameter tests appurtenance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204882716U (en) |
-
2015
- 2015-07-08 CN CN201520487879.7U patent/CN204882716U/en not_active Expired - Fee Related
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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: 20151216 Termination date: 20170708 |