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Test items, period and requirements of overhead cables and e

Author:adminDate:2018-06-28

Help you selection
Test items, period and requirements of overhead cables and equipment selection
Date of issue: 2018-06-13
1. Test items, cycle and type selection of overhead power lines with 1kV or below
The serial number
project
Week period
Choose type
1
Insulation resistance
Equipment overhaul time
Insulation resistance tester
2
Ac withstand test of power distribution device
Equipment overhaul time
Test transformer
3
Check the phase
When changing equipment or wiring
Phase sequence table
Test items, cycles and types of overhead power lines over 1kV
The serial number
project
Week period
Choose type
1
Check the connection of wire connecting pipe
1.2 years
2. Line maintenance
2
Zero value insulator detection for suspension insulator string (66KV or above)
When necessary,
Zero value insulator tester
3
Insulation resistance of a line (unmeasured when parallel lines are charged)
After line maintenance
Insulation resistance tester
4
Check the phase
When there is a change in the line connection
Phase sequence table
5
Spacer bar check
1.3 years
2. Line maintenance
6
Inspection of damping facilities
1.1 ~ 3 years
2. Line maintenance
7
The surface of the insulator is equivalent to the salt density
1 year
Salt density tester
 

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