Model: | JLSGB |
---|---|
Brand: | NDW |
Origin: | Made In China |
Category: | Electronics & Electricity / Electric Control System |
Label: | mutual inductor , current transformer , voltage transformer |
Price: |
US $3700
/ pc
|
Min. Order: | 1 pc |
JLSGB Electronic type current and voltage combined mutual inductor made by Beijing Nobbel Electrical Tech Develop Co., Ltd. is used for high voltage electrical measuring and protecting, both for indoor and outdoor.
JLSGB Electronic type current and voltage combined mutual inductor is different from other similar current transformers at home and abroad. With reasonable design, novelty structure, aesthetic configuration and silicon rubber outer insulation sleeve umbrella group, the mutual inductor has no oil, no ceramic, no gas, is convenient for operation and maintenance.
1. Advantages:
1. Dry-type insulation
2. No oilfilling, no gasfilling, no ceramic
3. Safety, easy operation, no maintenance
4. High ability of antipollution
2. Type:
JLSGB- X
JL: combined mutual inductor
S: electronic type
G: dry type,no-filling
B: with protection winding
X: rated voltage, kV
3. service conditions
Ambient air temperature: -50 centigrade ~ +50 centigrade
The altitude: ≤1000m,if higher,amend according to IEC 6004-1
The creepage ratio:20mm/kV, 25mm/kV or 31mm/kV
4. Technical indexes
Rated voltage: 33kV, 52kV, 72.5kV, 123kV, 145kV, 170kV, 245kV
Partial discharge: ≤5pC
Dielectric dissipation factor: ≤0.004
Ith: 50 kA, Idyn: 125 kA
Rated primary current: 50A-3000A
Rated secondary current: 5A or 1A
Rated output capacity: 5-60VA
Accuracy limit factor: 5, 10, 15, 20, 30, 40, 50
Accuracy classes for measuring core: 0.2S
Accuracy classes for protective core: 3P(voltage), 5P, 5TPE(current), 6P(voltage)
Current and voltage transition, according to 2D41H(decimalism 11585) rated input current +5V analog-to-digital switching circuit
All parameters are in accordance with IEC 60044-1
Audited by ISO9001