Welcome to the Huangshi Zhizheng Rubber and Plastic New Material Co., Ltd. official website!
Add: Zhongshan Road, Huangjinshan Economic Development Zone, Huangshi, Hubei, China
Service hotline: +86-714-6367867
E-mail: hszzjohnlee@aliyun.com?
Website: http://www.wzifeng.com.cn
Detail
Detail
Scope of application
NRSY-35 series is suitable for terminal protection of 21/35kV, 26/35kV crosslinked cable.
WRSY-35 series is suitable for terminal protection of 21/35kV, 26/35kV crosslinked cable;
Product features
Light weight and convenient for installation;
Stable performance and reliable operation;
Meeting GB/T12706.4, JB/T8144 and DL/T413 standard;
Long-term application under -55°C~105°C;
Main performance
| No. |
Test item |
Standard request |
Test results |
Evaluation |
|
1 |
1min power-frequency voltage test |
105kV, 1min, no arc-over, no breakdown |
105kV, 1min, no arc-over, no breakdown |
up to standard |
|
2 |
partial discharge test |
39kV below, discharge capacity is no higher than 10pC |
39kV discharge capacity of all phase |
up to standard |
|
3 |
load cycling test |
heating to 90ºC～95ºC, each cycle 8h, 5h for heating and 3h for cooling, ternary cycle for 3 times |
Standard request 3 times of load cycling test |
assessment of test |
|
4 |
partial discharge test(after load cycling test) |
39kV below, discharge capacity is no higher than 10pC |
39kV discharge capacity of all phase |
up to standard |
|
5 |
impulse voltage test |
250kV, positive and negative polarity 10 times no arc-over, no breakdown |
250kV positive and negative polarity 10 times, no arc-over, no breakdown |
up to standard |
|
6 |
negative polarity 15min dc voltage test |
-156kV, 15minno arc-over, no breakdown |
-156kV, 15min, no arc-over, no breakdown |
up to standard |
|
7 |
4h power-frequency voltage test |
104kV, 4h, no arc-over, no breakdown |
104kV, 4h, no arc-over, no breakdown |
up to standard |
|
8 |
appearance inspection |
no crack, no deformation |
no crack, no deformation |
up to standard |
|
Note: Above test data is provided by Electric power industry electrical equipment quality inspection and test center. |
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NRSY-35/WRSY-35 series specification
| Model/Specification |
Item |
Cable specification |
|
NRSY-35/1×1 |
35kV heat shrinkable |
50－120 |
|
NRSY-35/1×2 |
150－240 |
|
|
NRSY-35/1×3 |
300－400 |
|
|
NRSY-35/1×4 |
500－630 |
|
|
WRSY-35/1×1 |
35kV heat shrinkable |
50－120 |
|
WRSY-35/1×2 |
150－240 |
|
|
WRSY-35/1×3 |
300－400 |
|
|
WRSY-35/1×4 |
500－630 |
|
|
NRSY-35/3×1 |
35kV heat shrinkable |
50－120 |
|
NRSY-35/3×2 |
150－240 |
|
|
NRSY-35/3×3 |
300－400 |
|
|
WRSY-35/3×1 |
35kV heat shrinkable |
50－120 |
|
WRSY-35/3×2 |
150－240 |
|
|
WRSY-35/3×3 |
300－400 |
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