The BPK200-35/85-(10-n)Z series dry-type vacuum on-load tap-changer: This type of tap-changer is suitable for arc suppression coils with a rated voltage of 35kV and below, and a capacity of 4000kVA or less for single-phase dry-type on-load current regulation. BPK200-35/85-(10-n)Z, model designation: B→current of 750A/250A and below; P→vacuum contact switching; K→air insulation; 200→rated current; 35→voltage class; 85→maximum longitudinal insulation; (09-19)/(10-n)→maximum number of tap positions; Z→mid-point current regulation
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On-load tap-changer
Negotiable
China
No. 11, Lane 699, Zhangwengmiao Road, Fengxian District, Shanghai
18321228998
2608597059@qq.com
Product Introduction
Product Parameters
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Item |
Parameter |
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Maximum operating voltage (kV) |
38.5 |
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Rated current (A) |
200 |
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Short-circuit withstand capability (kA) |
Thermal stability (2S) |
3 |
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Dynamic stability (peak) |
7.5 |
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Frequency (Hz) |
50 or 60 |
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Step voltage (V) |
2000 |
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Step capacity (kVA) |
80 |
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Maximum number of tap positions |
10~17 positions |
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Time for one motor-driven operation per step |
Approx. 5 seconds |
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Time for one switching operation per step |
Approx. 60 milliseconds |
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Insulation to earth (kV) |
Rated power-frequency withstand voltage (50Hz/5min) |
85 |
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Rated lightning impulse withstand voltage (1.2/50μs) |
200 |
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Internal insulation of the switch (kV) |
Rated power-frequency withstand voltage between adjacent taps (50Hz/5min) |
6 |
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Rated lightning impulse withstand voltage between adjacent taps (1.2/50μs) |
18 |
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Rated power-frequency withstand voltage between maximum and minimum taps (50Hz/5min) |
28 |
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Rated lightning impulse withstand voltage between maximum and minimum taps (1.2/50μs) |
60 |
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Electrical life of contacts |
Greater than 100,000 operations |
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Mechanical life |
Greater than 800,000 operations |
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Operating frequency |
No less than 60 seconds per operation |
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Standard for switch manufacturing |
GB/T10230 IEC 60214 |
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Motor |
Power |
140W |
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Voltage |
Single-phase 220V |
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Maximum current |
1.4A |
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Speed |
1300r/min |
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BPK200-35/85-(10-n)Z series dry-type vacuum on-load tap-changer
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