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Surge capacitors CHDSU

Protection for motor and transformer windings

Steep fronted waves (lightning or switching surges) can cause damage to the turn-to-turn insulation of rotary machines and transformers. Hitachi ABB Power Grids surge capacitors provide premium surge protection for high voltage motors and generators. For a more comprehensive protection scheme, surge capacitors may be used in conjunction with surge arresters.
 

Applications

  • Protection of motor windings
  • Protection of transformer windings

Why Hitachi ABB Power Grids?

  • High transient voltage withstand
  • Long life design 
  • Low loss dielectric
  • Rugged construction

Brief performance data

CHDSU (surge capacitor)  
Power 0.1 to 1.0 µF (typical values: 0.13, 0.25, 0.5 µF) 
Voltage range 1-36 kV
Frequency 50-60 Hz
Bushings 1,2 (single-phase) or 3 (three-phase)
Dielectric Polypropylene film
Impregnant Non-PCB
Discharge resistors Built-in
Operating temperature -50/+60°C
Location Indoor or outdoor
Altitude Up to 1,000 m from sea level without derating
Above 1,000 m from sea level with derating

Related offering

Ingénieur de centrale électrique
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