Application:
This is rectifier used for 5000A170V scr silicon controlled rectifier for Copper Electrowinning.
Green Power is an international professional rectifier manufacturer with more than 20 years experience, the designed and manufactured transformer & rectifier systems for electrowinning industry have the advantages of high reliability, high efficiency, high accuacy, high stability, low ripple & intelligent digital control etc.
Electrowinning Rectifier System Composition:
High Voltage Switch Cabinet
Transformer
Rectifier
DC Disconnector
High Current sensor
Water Chiller
Connection copper bus bar
Electrowinning Typical Output Parameters of Rectifier:
Rectifier Projects Examples
38kA 40V Rectifier
26kA 165V Rectifier
10000A 30V Rectifier
Main Parameters
Input AC voltage | AC 3 phase kV level, 50Hz/60Hz |
Rated output DC voltage | Up to DC 1000V |
Rated output DC current | Up to DC 100kA |
Design Standard | IEC-60146 Semiconductors converters IEC-60076 Power transformers IEC-61378 Converters transformers |
Power factor at input @rated load | Not less than 0.9 through on load tap changer without power factor improving capacitor banks, above 0.97 after compensation |
Efficiency @ rated load | ≥98%(typically) |
Stability of output current at set point | Within ±0.5% |
Type of control | Digital control |
Ingress protection class of rectifier panel | IP54 |
Ambient temperature for design purpose | Max. 50℃ |
Rectifier pulse | Thyristor based, 6 pulse, 12 pulse, 24 pulse or more |
Type and mode of control | Constant current |
Duties/overload | 150% for 1 minutes, 110% for 5 minutes, 100% long term |
Rectifier thyristor cooling | Forced water cooled(cooling water is deionized water) |
Transformer cooling method | OFWF, OFAF, ONAN |
Transformer installation place | Indoor or Outdoor |
HMI | Color touch panel |
Remote control interface | 4-20mA/0-10V signal and dry contacts, Modbus/Profibus/ Profinet communication |
Thyristor N-1 redundancy | Yes |
Heat exchanger | Deionized water/raw water exchange, with redudancy |
Protections | Grounding detection and grounding fault alarm Thyristor RC snubber Fast action fuses Over heat Output over voltage Output over current Water pressure Water temperature Others required by purchaser |
Why choose us?
Rich experience:
More than 20 years design, production and service experience for electrolysis
Meet International Standards:
Exported to USA, Canada, Germany more than 40 countries.
Strong technical ability:
PhD technical team, more than 20 years technology accumulation.
Reliable quality:
Designed, manufactured, tested as per strict reliability standard.
Considerate service:
Professional service before, during and after sales. Lifelong after service system. Customer management system
High performance price ratio:
With Europe/USA quality, competitive price than Europe.
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