Overview
Utilizing thyristor phase-shift control technology, the system enables high-power and ultra-high- power electrical energy conversion with a power rating of up to 180MW. Featuring digital control, multi-pulse technology, and platform-based design, the thyristor rectifier power supply is widely used in industries including aerospace, defense, metallurgy and mining, DC arc furnaces, advanced material melting and processing, electrolysis, and other high-power DC applications.
Applications
The system is mainly applied in high-power DC or AC power supply applications, including:
- Chlor-alkali production using ion-exchange membrane technology
- Non-ferrous metal electrolysis, including copper, zinc, lead, aluminum, etc.
- Plasma heating
- Graphitization furnace heating
- Metal smelting
- High-power charging and discharging systems
- High-power electroplating
- High-power electrophoresis
- Other high-power DC power applications
Technical Advantages
● High Performance
Multiple design measures ensure system reliability, including non-magnetic enclosures, thyristor N-1 redundancy
design, and redundant heat exchanger design.
- Energy saving and reduced power consumption
- Improved rectifier system efficiency through optimized design.
- High control accuracy
- Low output ripple ○ High power factor
- User-friendly human–machine interface (HMI)
● Minimized Total Investment and Operating Costs
- Higher conversion efficiency
- Reduced maintenance requirements
- Enhanced personnel safety
- Extended service life
- Short installation and commissioning time
● Intelligent Digital Control
- Strong anti-interference capability
- Advanced automatic control functions
● Lifetime Technical Support
○ Technical training and professional support services provided through out the product lifecycle
Main Technical Specifications
Input Voltage |
AC three-phase 380V or kV-class voltage levels, 50Hz/60Hz |
Rated Output Current |
DC rated output current: 200A–100kA, customized according to customer requirements |
Rated Output Voltage |
DC rated output voltage: 12V–21kV, customized according to customer requirements |
Output Power |
DC output power: 50kW–150MW, customized according to customer requirements |
Design Standards |
- IEC 60146 Semiconductor Converters
- IEC 60076 Power Transformers
- GB/T 3859 (Chinese National Standard for Semiconductor Converters)
- CE / UL / CSA Standards (Optional)
|
Input Power Factor (at rated load) |
- ≥0.90 through on-load tap changer control;
- ≥0.97 through reactive power compensation system
|
Efficiency (at rated load) |
Dependent on output voltage level |
Control Accuracy |
≤ ±0.5% |
Control Method |
Digital control |
Ingress Protection Rating |
Up to IP54 |
Ambient Temperature |
Max 50℃ |
Output Pulse Number |
6-pulse, 12-pulse, 24-pulse, etc |
Control Modes |
Constant Current (CC) / Constant Voltage (CV) |
Overload Capability |
- 150% for 1 minute;
- 110% for 5 minutes;
- 100% continuous operation
|
Cooling Method |
- Water cooling (deionized water cooling) / Air cooling
|
Transformer Cooling Method |
AN/AF, OFWF, OFAF, ONAN |
Installation Location |
Indoor or outdoor installation |
Human–Machine Interface (HMI) |
Color touchscreen |
Remote Control Interfaces |
4–20mA / 0–10V analog signals, dry contacts, Modbus, Profibus, Profinet |
Thyristor N-1 Redundancy |
Available |
Heat Exchanger |
Deionized water / tap water cooling, with redundant design |
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