DC current rectifier

three-phase

Chromium is one of the most delicate and critical among coating processes. For higher Efficiency and Penetration CAEV rectifiers are designed and e equipped with: LC ripple smoothing filter cells “Current stroke” facility Solid state reversing facility, automatic cycle: etching – chromium plating Output voltage rising ramp Closed loop water cooling Technical data o Main breaker with handle and locking system o Main transformer according to IEC standards o Thyristor rectifying bridge: six phases with reactor, three phase bridge, twelve pulse bridge o Output voltage and current stepless regulation from 0 to the nominal value o Constant voltage and constant current regulation o Output voltage and current rising ramp regulation o Output voltage and current stabilization: 1% o LC cell filter to reduce output ripple according to customer requests o Manual controls on the front door or in remote control box o Output voltage and current display o Remote PLC control via opt insulated signals: 0-20mA, 4-20mA, 0-10V o Remote PLC control via Modbus or Profibus serial net o Forced air cooling o Closed loop water cooling o Cooling via air conditioner for IP55 enclosures o Epoxydic painting o Enclosure with lugs, feet or wheels. Easily removable. o Enclosure protection degree: IP20…IP55 o Magnetic and thermal protection o Over-temperature protection o Extra-fast fuses for semiconductor devices protection o RC snubbers for semiconductor devices protection o Over-current electronic protection o Input phase sequence monitoring circuit o Auxiliary circuit protection by fuses and breakers o Copper and aluminium busbars Optional devices: o Current stroke facility