Flame retardant crosslinking power cable_Anhui Xin Huan Neng Electrical Co., LTD.

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Add Time：	2016-08-21 15:12:15
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Flame retardant crosslinking power cable的产品详细介绍：

1 kv to 35 kv flame retardant cross-linked polyethylene insulated power cable

Product standards:

This product by GB1270 the rated voltage up to and including 35 kv plastic insulated power cable, copper, aluminum core standard production, at the same time can also be based on user needs according to the international standard of IEC, English, German and American standard production.

Cable type:

ZR-YJVZR-YJLVZR-YJYZR-YJLYZR-YJV22ZR-YJLV22ZR-YJV23ZR-YJLV23ZR-YJV23ZR-YJLV23ZR-YJV33ZR-YJLV32ZR-YJLV33

Scope of application:

This product is suitable for rated power-frequency voltage up to 3.6/26/35 kV - kV distribution circuit for distribution power.

Using features:

Low rated power-frequency voltage up to Uo/U for 3.6/6 kv - including 26/35 kv.
Low cable conductors allow long the highest working temperature is 90 ℃.
Low short circuit (the longest duration of no more than 5 s) cable conductor of the highest temperature does not exceed 250 ℃.
Low when the ambient temperature under installation should not below 0 ℃.
When the bending radius: three core cable should not less than 15 times the cable diameter;Single core cable should not less than 20 times the cable diameter.

Cable of rated voltage

When the rated voltage of the cable shall be suitable for the operation condition of the cable system, using Uo/U (Um) KV said.
Uo - from the conductor to ground or metal shielding cable design between the rated power frequency voltage;
U - cable design with rated power frequency voltage between conductors;
Um - equipment can withstand a maximum of the "highest system voltage".

Low Uo value of three-phase system with cable to recommend the following table:

UkvUmkvUo*kvA and B class systemC class system67.23.66101268.71517.58.71220241218303618-3540.52126

Any class A system -- the system phase conductor and earth or grounding conductor, separated from system within 1 min;
B class system, the system includes only the single-phase earth fault short-time running conditions, earth fault time should be no more than 1 h, but in any case, the longest do not exceed 8 h, ground fault total duration of not more than 125 h every year;
Class C system, do not belong to A class, B class system.

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