Rectifiers for electrolysis

Main features, defined according to customer requests, may be:

– High output current, up to 40000Adc
– High output power, up to 2MW
– Air forced cooling, closed loop water cooling, air conditioning for IP55 protection degree
– Static reversing polarity facility

Technical data

o Input voltage according to customer requests
o Main breaker with handle and locking system
o Main transformer according to IEC standards
o Thyristor rectifying bridge: six phase 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 Instruments for special process parameters measures
o Process Programmer