Chint NWC6 10kVar 15kVar 20KVar 25KVar 30KVar 40KVar 230V 380V 415V 480V 525V CHNT Dry Cylindrical type Self healing Low voltage shunt Capacitor
Chint NWC6 series Dry low-voltage shunt capacitor is suitable for power frequency AC power system with nominal voltage of 1000V and below to raise power factor, reduce line loss and improve voltage quality. It is filled with dry flame-retardant materials internally. Operative norm: IEC/EN 60831-1:2014 IEC/EN 60831-2:2014.
Main technical parameters and technical performance
- Rated voltage: 0.23 kV, 0.25 kV, 0.4kV, 0.45kV, 0.48 kV, 0.525kV;
- Rated frequency: 50Hz or 60Hz;
- Rated capacity: (5~40)kvar;
- Capacitance deviation: -5%~+10% ; the ratio of maximum and minimum measured of the capacitance between any
two outlet terminals of the three-phase capacitor should not exceed 1.08;
- Tangent of the loss angle tgδ: Lower than 0.0012 under rated power frequency voltage;
- Withstand voltage: interelectrode, power frequency 2.15U , 10s; pole-to-case, power frequency 3.6kV, 60s; N
- Maximum permissible overvoltage: 1.1 U ; no more than 8h every 24h; N
- Maximum permissible current: 1.3I ; (1.6 In, 2h/24h; 2.0 In, 30min/24h ) N
- Self-discharge characteristic: After the capacitor is applied with 2 U DC voltage and the power is disconnected for N
3min, the remaining voltage drops 75V or below;
- Inrush current: 200 In
- Withstand voltage: interelectrode, power frequency 2.15UN, 10s
- Withstand voltage: pole-to-case, power frequency 3.6kV, 60s
- Losses : ≤0.20W/kvar
- Use safety:Dry-type,over-pressure protection device,self-healing
- Fixing: Bottom threaded bolt M12 and M16
- Expected life:≥200,000 h
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