Line fault location in Tibetan Qiang Autonomous Prefecture of Ngawa

2018/5/16 10:10:23  view Category:Monitoring and testing products

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serial number

line

Outage time

Cause / patrol result

Cause classification

Positioning result

1

110kV MiTang Line

02.10 14:28

A series of rupture of double strand tensile insulators with A phase on the 88# trumpet

equipment failure

85,41

2

110kV ShiWu Line

03.09 16:24

110kV #73-#74 line of Shi Wu line crossed 35kV pole and #6-#7 line. The safety distance is insufficient.

other

73

3

110kV RuoZhen Line

03.11 06:25

#12, #15, #69, #73, #88 tower A have bird's nest, and #88 tower has rope and B streamline together.

Small animal

85

4

110kV ZhaiQiao Line 

04.12 16:01

The safety distance between the B phase streamer support pipe and the lightning conductor line is not enough for the #22 tower side.

weather

22

5

110kV ShiWu Line 

04.12 21:39

#73 tower -#74 tower and 35kV Jian a line wind deviation safety distance is insufficient, #73 pole -#74 rod line insulation sheath damage.

weather

73,2

6

110kV MaZhai Line

05.18 15:21

#93 tower A large-sized side shockproof hammer has obvious discharge traces at 1 meters away from the wire and cable, which will not affect operation.

other

89,46

7

110kV MITang Line

05.30 16:17

The A insulator of #86 tower is dropped, and the test is successful.

equipment failure

90

8

110kV RuoZhen Line

07.14 05:27

1. #109 and #110 tower B phase insulators are dirty and discharge traces.

2, there is wire hanging on the #153 tower C phase line, the iron wire is about 80cm, close to the porcelain bottle.

3, 110kV if the real Kun branch line #10 tower has bird's nest and iron wire.

small animal

109

9

110kV RuoZhen Line 

07.16 00:19

#107 tower B phase insulator has a lot of bird droppings and obvious discharge traces.

small animal

107

10

110kV YUeTang Line

09.01 05:56

It was found that there were bird droppings on the B phase insulators on the #175 tower of 110kV month, and discharge traces on the B phase insulator and fittings.

other

176,141

11

110kV MaZhai Line

09.24 21:32

The safe distance between A phase conductor of #64-#65 tower and new tower is insufficient.

other

64,66

12

110kV AnMai Line

12.01 19:39

Aging of small side insulators in No. 102 tower

equipment failure

100

13

110kV ShiWu Line

12.7 07:59

110# tower suspension insulators have bird droppings

small animal

110,112

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