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Rated Voltage 10 KV Overhead Insulated Cable

  • Rated Voltage 10 KV Overhead Insulated Cable

Rated Voltage 10 KV Overhead Insulated Cable

1. Product Standard

GB/T 14049-2008

2. Usage

This product is suitable for use in rated AC voltage U( Um ) 13,d0(12)KV overhead transmitting circuit.



product details

3. Properties for Use

a. Rated voltage is 10KV

b. Temperature for laying cable should be not less than – 20 ℃

c. For short circuit ( 5 s ) , the max. cable temperature is :

HDPE insulation 150 ℃ ;  XLPE insulation 250 ℃

d. Max. work temperature of cable conductor for a long period is :

α. Cable with stress structure: HDPE insulation 75 ℃; XLPE insulation 90 ℃;

β.Cable without stress structure , has not been stipulated in GB, for actual situation , it should not exceed stipulated value “ a ”.

e. The time for cable single phase earthing breakdown is not bigger than 1 min. also the longest should not exceed 8h each time and an annual accumulation not exceeding 125 h .

f. Allowed cable bend radius should be not less than :

α. Single – core cable 20(D+d)±5% mm , TR structure is 20 D mm ;

β.Multi-core cable 15(D+d) ±5% mm .


4. Specifications

For cable specifications , see Table 2 

ModelNumbers of CoreRated Voltage KV
1035
Nominalcross-sectional area mm2
JKYJJKTRYJ110~30050~300
325~300
JKLYJJKLHYJ3+K(A)3+K(B)25~300K25~120
JKLYJ/B325~300
JKLHYJ/B3+K(A)3+K(B)25~300K25~120
JKYJKTRYJKLYJKLHYJKLYJ/QJKLHYJ/QJKLY/QJKLHY/Q110~300


5. Diagram of Structure :

 RATD VOLTAGE 10 KV OVERHEAD INSULATED CABLE


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