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Products

Power capacitors 
Low voltage power capacitors
Medium voltage power capacitors
Induction heating capacitors 
Induction heating up to 1 000 kVAr,6 kHz
Induction heating up to 2 000 kVAr,4 kHz
Induction heating up to 2 500 kVAr,4 kHz
Induction heating up to 8 000 kVAr,8 kHz
Induction heating up to 5 000 kVAr,5 kHz
Induction heating up to 6 000 kVAr,4 kHz
Induction heating up to 70 kHz, COAX
Induction heating up to 200 kHz MIDICOAX
Induction heating up to 5 000 kVAr, 120 kHz
Induction heating up to 6 000 kVAr, 10 kHz
Capacitors for power electronics 
DC link (filtering) capacitors
AC filter capacitors
Capacitors for IGBT
Capacitors for SCR and GTO
HV capacitors for general purposes
Ripple control coupling capacitors
Surge capacitors (medium voltage)
Commutating capacitors
Energy storage (impuls) capacitors 
Capacitor banks 
Capacitor banks - standard
Capacitor banks - detuned 7%
Capacitor banks - detuned 7% fast switched
High voltage capacitor banks
Components for PFC 
PFC controllers
Contactors for capacitors
Reactors
High voltage transformers
 

Induction heating capacitors

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

For more details please open our catalogue: Induction heating capacitors.pdf

Induction heating up to 1 000 kVAr,6 kHz
Induction heating up to 2 000 kVAr,4 kHz
Induction heating up to 2 500 kVAr,4 kHz
Induction heating up to 8 000 kVAr,8 kHz
Induction heating up to 5 000 kVAr,5 kHz
Induction heating up to 6 000 kVAr,4 kHz
Induction heating up to 70 kHz, COAX
Induction heating up to 200 kHz MIDICOAX
Induction heating up to 5 000 kVAr, 120 kHz
Induction heating up to 6 000 kVAr, 10 kHz
 

Application

Water cooled power capacitors are designed for use on induction furnaces and heaters. They improve power factor or tune special furnace circuits.

Construction

The capacitors are all-film dielectric which is impregnated with an environmentally friendly, non-toxic biodegradable insulation oil. They are designed as water cooled live case units (dead case on request). Multi section configuration (tapping) enabling high current loading and tuning resonance circuits are standard feature. Recommended ambient temperature and water flow are very important.

Standards:
  • IEC 60110 – 1; 1998
  • EN 60110 – 1; 1998
Order information
Rated voltage:   UN [kV]    
Rated frequency:   fN [kHz]    
Rated capacitance:
or rated power:
  CN [µF]
QN [kvar]
  QN = UN2 x CN x 2π x fN
Capacitance tolerance:   [+/- %]   -5 / +10 %
Live case:       Yes / No
Dead case:       Yes / No
Standards:       IEC 60110-1; 1998 or EN 60110-1; 1998

Other requirements:

     

tapping, dimensions

 

 
logo ZEZ SILKO, s.r.o., Pod Černým lesem 683, 564 01 Žamberk, Czech Republic, e-mail: zez@zez-silko.cz, http://www.zez-silko.cz, tel.: +420 465 673 111, fax: +420 465 612 319