
Rectifiers For Electrolysis
Line of power rectifiers for electrolytic, industrial, and special applications in general. Typical applications are:
- Hydrogen production
- Chlor-alkali plants
- Water treatment
- Heat treatments
- Cathodic protection
- Test room
- Three-phase AC/DC or AC/AC converters
The main features of these power supplies, made to customer specifications, may include:
- High currents, up to 40000Adc
- High delivered power, up to 2MW
- Forced air cooling or closed-loop water cooling, or air conditioning for cabinets with IP55 protection ratings
- Rectifiers with automatic polarity reversal
Technical Features
- Power supply according to customer requirements
- Main switch with door interlock
- Power transformer compliant with IEC standards
- Thyristor-controlled rectifier circuit: six-phase connection with reactor, three-phase bridge, twelve-phase
- Output voltage and current adjustable from 0 to the maximum value
- Adjustable ramp for output voltage and current rise
- Constant voltage and constant current regulation
- 1% stabilization of the set values for load or supply voltage variations
- Output current ripple smoothed with LC filter cell according to customer specifications
- Manual controls on panel front or in remote control panel
- Display of delivered voltage and current
- Remote PLC control with opto-isolated signals… 0-20mA, 4-20mA, 0-10Vdc
- Remote PLC control with Modbus or Profibus serial connection
- Forced air cooling
- Closed-loop water cooling
- Cooling with air conditioner for IP55 cabinets
- Cabinets painted with epoxy paints
- Cabinets with lifting eyebolts, feet, or wheels for easy handling
- Cabinet protection degree: IP20…IP55
- Magnetic and thermal protection of the entire equipment
- Overtemperature protection
- Protection of semiconductors with ultra-fast fuses
- RC networks for semiconductor protection
- Electronic limitation of maximum deliverable current for overload protection
- Control of correct phase sequence of the power supply
- Protection of auxiliary circuits with fuses and circuit breakers
- Connections with copper and aluminum busbars
Optional devices:
- Measuring instruments for specific process parameters
- Process programmers
