CN205427088U - Testing arrangement in high voltage supply system return circuit - Google Patents
Testing arrangement in high voltage supply system return circuit Download PDFInfo
- Publication number
- CN205427088U CN205427088U CN201520978274.8U CN201520978274U CN205427088U CN 205427088 U CN205427088 U CN 205427088U CN 201520978274 U CN201520978274 U CN 201520978274U CN 205427088 U CN205427088 U CN 205427088U
- Authority
- CN
- China
- Prior art keywords
- cornea
- formula device
- phase
- punctate opacity
- movable contact
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- 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
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- 238000000819 phase cycle Methods 0.000 claims abstract description 39
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 210000004087 cornea Anatomy 0.000 claims description 45
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 3
- 230000009466 transformation Effects 0.000 abstract 1
- 230000001131 transforming effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Abstract
The utility model relates to a high -voltage power transmission and transformation technical field, a testing arrangement in high voltage supply system return circuit, include: the experimental power of three -phase, asterism formula device, phase sequence detection ware, toggle switch, asterism formula device is the switching device that three the same phase sequence is connected, and the first end of asterism formula device links to each other with the experimental power of three -phase, and asterism formula device second end links to each other with the incoming line breaker A who is surveyed distribution system, and asterism formula device third end links to each other with the incoming line breaker B who is surveyed distribution system, the both sides copper contact by female antithetical couplet promotion cabinet circuit breaker C of survey distribution system that incoming line breaker A, incoming line breaker B pass through the off -state of PT circuit breaker connection respectively links to each other, the utility model discloses a safe voltage is provided with the phase sequence power for surveying distribution system, compares with the test phase sequence of a phase sequence detection ware through second, the 3rd phase sequence detection ware, has overcome the inspection that present school line is very easily made mistakes, has reduced work load to test safe and reliable.
Description
Technical field
This utility model relates to high voltage power transmission and transforming systems technology field, particularly relates to the test device in a kind of high voltage supply system loop.
Background technology
At present, when before the formal power transmission of high voltage power transmission and transforming system, primary circuit and the secondary circuit of whole high voltage power transmission and transforming service system are checked by the general mode using school line, its workload is big, when PT secondary circuit has short-circuit conditions, also cannot judge, even if line inspection work is accurate, can also result in secondary circuit circuit during recovery to loosen, therefore there is many hidden danger.
Summary of the invention
For overcoming the deficiencies in the prior art, this utility model provides the test device in a kind of high voltage supply system loop.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of test device in high voltage supply system loop, including: three-phase test power supply, punctate opacity of the cornea formula device, phase-sequence detector, toggle switch, described punctate opacity of the cornea formula device is the switching device that three identical phase sequences connect, punctate opacity of the cornea formula device the first end is connected with three-phase test power supply, punctate opacity of the cornea formula device the second end is connected with the lead-in circuit breaker A of tested distribution system, and punctate opacity of the cornea formula device the 3rd end is connected with the lead-in circuit breaker B of tested distribution system；The both sides copper contact of the mother lifting cabinet chopper C of the tested distribution system of the off-state that lead-in circuit breaker A, lead-in circuit breaker B are connected by PT chopper respectively is connected；
Wherein punctate opacity of the cornea formula device the first end is connected with the connecting place of three-phase test power supply the first phase-sequence detector, and the both sides copper contact that wherein mother lifting cabinet chopper C disconnects connects the second phase-sequence detector, third phase sequence detector respectively.
A kind of test device in high voltage supply system loop, described punctate opacity of the cornea formula device is the stationary contact A of three plug-in strips, stationary contact B, stationary contact C correspondence are connected, the movable contact A of punctate opacity of the cornea first plug-in strip of formula device, movable contact B, movable contact C are punctate opacity of the cornea formula device the first end, the movable contact A of punctate opacity of the cornea second plug-in strip of formula device, movable contact B, movable contact C are punctate opacity of the cornea formula device the second end, and the movable contact A of the 3rd plug-in strip of punctate opacity of the cornea formula device, movable contact B, movable contact C are punctate opacity of the cornea formula device the 3rd end.
The test device in a kind of high voltage supply system loop, described three-phase test power supply is safe voltage 36V three phase mains.
Owing to using technical scheme as above, this utility model has a following superiority:
A kind of test device in high voltage supply system loop, powered by the same phase sequence of punctate opacity of the cornea formula device by the three-phase test power supply of safe voltage 36V, by the second phase-sequence detector, third phase sequence detector, test the phase sequence of both sides copper contact of the mother lifting cabinet chopper C of tested distribution system compared with the first phase-sequence detector, mother lifting cabinet chopper C for the tested distribution system of same phase sequence can close a floodgate, the inspection easily made mistakes in the loop of whole system by the mode of school line is used before overcoming power transmission, decrease workload, and test safe and reliable.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of high voltage supply system return circuit testing device.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
As shown in Figure 1, a kind of test device in high voltage supply system loop, including: three-phase test power supply, punctate opacity of the cornea formula device, phase-sequence detector, toggle switch, described punctate opacity of the cornea formula device is the switching device that three identical phase sequences connect, punctate opacity of the cornea formula device the first end is connected with three-phase test power supply, punctate opacity of the cornea formula device the second end is connected with the lead-in circuit breaker A of tested distribution system, and punctate opacity of the cornea formula device the 3rd end is connected with the lead-in circuit breaker B of tested distribution system；The both sides copper contact of the mother lifting cabinet chopper C of the tested distribution system of the off-state that lead-in circuit breaker A, lead-in circuit breaker B are connected by PT chopper respectively is connected；
Wherein punctate opacity of the cornea formula device the first end is connected with the connecting place of three-phase test power supply the first phase-sequence detector 6, and the both sides copper contact that wherein mother lifting cabinet chopper C disconnects connects the second phase-sequence detector 6, third phase sequence detector 6 respectively.
Described punctate opacity of the cornea formula device is the stationary contact A of three plug-in strips, stationary contact B, stationary contact C correspondence are connected, the movable contact A of punctate opacity of the cornea first plug-in strip 1 of formula device, movable contact B, movable contact C are punctate opacity of the cornea formula device the first end, the movable contact A of punctate opacity of the cornea second plug-in strip 2 of formula device, movable contact B, movable contact C are punctate opacity of the cornea formula device the second end, and the movable contact A of the 3rd plug-in strip 3 of punctate opacity of the cornea formula device, movable contact B, movable contact C are punctate opacity of the cornea formula device the 3rd end.Described three-phase test power supply is safe voltage 36V three phase mains.
During test, it is that the test device using high voltage supply system loop is tested:
1), test device 7 being connected tested distribution system, be connected with the lead-in circuit breaker A of tested distribution system 8 by punctate opacity of the cornea formula device second end of test device 7, punctate opacity of the cornea formula device the 3rd end is connected with the lead-in circuit breaker B of tested distribution system 8；The mother lifting cabinet chopper C of tested distribution system 8 disconnects；
2), test, close first plug-in strip 1 of punctate opacity of the cornea formula device the first end, it is connected as the three-phase test power supply 5 of safe voltage 36V, the first phase-sequence detector 6 is made to be designated as positive phase sequence, close second plug-in strip 2 of punctate opacity of the cornea formula device the second end, the three phase mains of positive phase sequence is by the lead-in circuit breaker A of tested distribution system 8, PT chopper is powered to the side copper contact of the mother lifting cabinet chopper C of tested distribution system 8, second phase-sequence detector 6 is designated as positive phase sequence, otherwise, detect the connection of this circuit, the second phase-sequence detector 6 is made to be designated as positive phase sequence, carry out next step test；
3), close the 3rd plug-in strip 3 of punctate opacity of the cornea formula device the 3rd end, the three phase mains of positive phase sequence is powered to the opposite side copper contact of the mother lifting cabinet chopper C of tested distribution system 8 by lead-in circuit breaker B, PT chopper of tested distribution system 8, third phase sequence detector 6 is designated as positive phase sequence, otherwise, detect the connection of this circuit, make third phase sequence detector 6 be designated as positive phase sequence, be completed；
4), the mother lifting cabinet chopper C of tested distribution system 8 can close a floodgate.
Claims (3)
1. the test device in a high voltage supply system loop, it is characterized in that: including: three-phase test power supply, punctate opacity of the cornea formula device, phase-sequence detector, toggle switch, described punctate opacity of the cornea formula device is the switching device that three identical phase sequences connect, punctate opacity of the cornea formula device the first end is connected with three-phase test power supply (5), punctate opacity of the cornea formula device the second end is connected with the lead-in circuit breaker A of tested distribution system (8), and punctate opacity of the cornea formula device the 3rd end is connected with the lead-in circuit breaker B of tested distribution system (8)；The both sides copper contact of the mother lifting cabinet chopper C of the tested distribution system (8) of the off-state that lead-in circuit breaker A, lead-in circuit breaker B are connected by PT chopper respectively is connected；
Wherein punctate opacity of the cornea formula device the first end is connected with the connecting place of three-phase test power supply (5) the first phase-sequence detector (6), and the both sides copper contact that wherein mother lifting cabinet chopper C disconnects connects the second phase-sequence detector (6), third phase sequence detector (6) respectively.
The test device in a kind of high voltage supply system loop the most according to claim 1, it is characterized in that: described punctate opacity of the cornea formula device is the stationary contact A of three plug-in strips, stationary contact B, stationary contact C correspondence are connected, the movable contact A of first plug-in strip (1) of punctate opacity of the cornea formula device, movable contact B, movable contact C are punctate opacity of the cornea formula device the first end, the movable contact A of second plug-in strip (2) of punctate opacity of the cornea formula device, movable contact B, movable contact C are punctate opacity of the cornea formula device the second end, and the movable contact A of the 3rd plug-in strip (3) of punctate opacity of the cornea formula device, movable contact B, movable contact C are punctate opacity of the cornea formula device the 3rd end.
The test device in a kind of high voltage supply system loop the most according to claim 1, is characterized in that: described three-phase test power supply (5) is safe voltage 36V three phase mains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978274.8U CN205427088U (en) | 2015-12-01 | 2015-12-01 | Testing arrangement in high voltage supply system return circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978274.8U CN205427088U (en) | 2015-12-01 | 2015-12-01 | Testing arrangement in high voltage supply system return circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205427088U true CN205427088U (en) | 2016-08-03 |
Family
ID=56535678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520978274.8U Expired - Fee Related CN205427088U (en) | 2015-12-01 | 2015-12-01 | Testing arrangement in high voltage supply system return circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205427088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445609A (en) * | 2015-12-01 | 2016-03-30 | 国网河南宜阳县供电公司 | Testing device and method for high voltage supply system loop |
-
2015
- 2015-12-01 CN CN201520978274.8U patent/CN205427088U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445609A (en) * | 2015-12-01 | 2016-03-30 | 国网河南宜阳县供电公司 | Testing device and method for high voltage supply system loop |
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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: 20160803 Termination date: 20161201 |