Input parameters: Three phase, AC480V±10% ,60HZ
Output parameters: DC 0-110V 0-830A
Output mode: Common DC output
Cooling method: Water cooling
Power supply type: Silicon Controlled Rectifier
Application Industry: Chlor-Alkali Production, such as membrane/diaphragm cell for Cl₂, H₂, NaOH; Chlorate Manufacturing, such as NaClO₃, sodium chlorite; Water Treatment, such as NaOCl, ClO₂, on-site Cl₂; Precious Metal Refining, such as gold/silver chloride electrolysis.
A Chlor-Alkali Rectifier, unlike standard industrial rectifiers, must keep current rock-solid while blocking reverse events. If the DC wavers — even briefly — side reactions kick in, membranes degrade, product quality drops, or worse, you compromise safety. That’s why it’s the core of any chlor-alkali or chlorination plant.
› Chlor-Alkali Production — That’s Where You Get Caustic Soda and Liquid Chlorine
Take saturated brine. Run electrolysis. Out comes Cl₂, H₂, and NaOH.Membrane cell and diaphragm cell plants use this setup all the time. A Chlor-Alkali Rectifier is the standard choice here.
› Chlorate Manufacturing
Same thing applies. You need continuous DC to make sodium chlorate (NaClO₃), sodium chlorite, and other chlorine derivatives. Both chlor-alkali rectifiers and chlorination rectifiers can handle this.
› Fine Chemical and Water Treatment Industries
These rectifiers power sodium hypochlorite generators, chlorine dioxide systems, and on-site chlorine generation units for industrial water treatment. Chlorination rectifiers are particularly common in water treatment applications.
› Precious Metal Refining
You’ll also find them in electrolytic purification of precious metals. Gold chloride, silver chloride solutions—that sort of thing. Both rectifier types work well here too.
› Reverse Current Protection
High-speed DC breakers plus dedicated reverse current protection. Stops back EMF from electrolytic cells during power disturbances.
› High Current Regulation Accuracy
Typical requirement: ≤0.5%. Advanced systems: ±0.1%. Hold the membrane balance or pay the price.
› Low Harmonic Distortion and High Power Factor
Energy costs are huge in this business. That’s why people go with 24-pulse, 36-pulse, or 48-pulse rectification—cuts the harmonics, cleans up your power.
› Large Power Capacity
Individual chlor-alkali rectifier and chlorination rectifier units often exceed 70 MVA. DC output runs from 20 kA to 60 kA. All depends on the plant scale.
› Regulating and Rectifier Transformer
Auto-transformer plus rectifier transformer with OLTC (on-load tap changer). Gives you multiple voltage steps to compensate for cell aging and process changes.
› Thyristor Rectifier Bridge
High-power SCRs in optimized parallel configurations. Better current sharing, lower losses, higher reliability at extreme currents.
› Pure Water Cooling System
Closed-loop deionized water cooling pulls heat out of power semiconductors. No issues with high-temp or corrosive environments at all.
› DSP-Based Digital Control Cabinet
Digital constant-current regulation with millisecond response. Talks to your DCS directly.
› Fast Dynamic Response
Compensates for grid fluctuations and changes in cell back EMF. Output stays stable.
› High Conversion Efficiency
Low-conduction-loss thyristors push overall efficiency above 98%. Real savings.
› Corrosion-Resistant Construction
You get protective coatings, corrosion-resistant piping, treated busbar surfaces. All built to last in chlorine-laden environments.
› Optimized Current Sharing
Advanced busbar design and parallel rectifier configurations eliminate hot spots.
› Intelligent Monitoring and Diagnostics
Built-in alarms and diagnostics cover semiconductor failures, overheating, cooling system abnormalities.
› Exceptional Energy Efficiency and Low Harmonic Performance
36-pulse and 48-pulse configurations as standard. Add APF (active power filter) and THD drops below 3%. Overall efficiency hits 98.5%.
› Advanced Corrosion Protection and Cooling Design
Fully enclosed cabinets, conformal coatings, and optimized cooling. Proprietary designs improve thermal balance and reduce maintenance.
› Modular Hot-Swappable Architecture
Drawer-type modules. Swap a faulty one without stopping production. That’s 24/7 operation.
› Dual-Core Digital Control Platform
DSP + FPGA gives you accurate pulse sync, fast response, soft-start, and automatic current recovery. Minimizes stress on electrolytic cells.
› Grid-Friendly Design
Optimized transformer and rectifier configurations improve electromagnetic compatibility. Less interference with surrounding instruments, better plant power quality.
› Pulse Number Selection
Match pulse count to local power quality requirements and plant capacity.
6-pulse: Small-capacity applications
12-pulse: Conventional industrial systems
24/36/48-pulse: Large-scale chlor-alkali facilities needing superior harmonic performance
Higher pulse number = lower harmonic distortion.
› Voltage Regulation Range
Cell voltage changes as electrolyzers age. Get enough transformer regulation range to maintain efficient operation over the full service life.
› Cooling Method
Above 15 KA? Use closed-loop pure water cooling. Air-cooled only for lower-capacity installations in clean environments.
› Safety Configuration
High-speed DC breakers and comprehensive protection are essential. No shortcuts.
| Characteristic Types | Parameter Items | Technical Requirements |
| Power Types | Power types | Silicon Controlled Rectifier |
| Model and specifications | KGFB-830A/110V | |
| Cooling mode | Water-cooled | |
| Switch tube type | SCR | |
| Input Characteristics | Rated Input Voltage | Three-phase, AC480V±10% ,60HZ |
| Rated Input Power | 119KVA | |
| Rated Input Current | AC 144A | |
| Input Power Factor | COSΦ≥0.90 | |
| Output Characteristics | Output Voltage | DC 0~110V |
| Output Current | DC 0～830A | |
| Stabilized Current Precision | ≤1%（Rated Current) | |
| According to accuracy | 1A，0.1V | |
| Rated Output efficiency | ≥85% | |
| Environmental Conditions | Installation site | Indoor installations |
| Altitude | ≤2000 meters | |
| Ambient temperature | -20℃～40℃ | |
| Relative humidity | ≤90％ | |
| Control Mode | Operating mode | PLC, ADDA, Ethernet, RS485 and RS232 |
| Weight | Net weight | About 800KG |
| External Dimension | Height*Width*Depth | H1665mm×W100mm×D1000mm |
| Protection Characteristics | With over voltage, over current, overload, short circuit, overheating and other abnormal self-protection function | |
Perfect inspection process and strict quality management measures to ensure excellent quality delivery.
If you require water treatment power supplies with different specifications, we can custom-design them to meet your requirements. Please contact us for more information.
Looking for the factory price of a 110V 830A rectifiers for chlor-alkali electrolysis and chlorination processes? Liyuan Haina Rectifier, a professional manufacturer with 27+ years specializing in industrial rectifiers, supplies global clients including the United States, Sweden, Netherlands, Italy, Spain, South Africa, Russia, Germany, Japan, South Korea, Malaysia, etc. Our advanced factory delivers cost-effective Made-in-China solutions, with competitive prices and customizable options. Contact us for sales inquiries.
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Liyuan Haina Rectifier, the professional manufacturer in IGBT and SCR rectifier, committed to providing you with quality solutions and products.
Get more details? We’ll response as soon as possible (within 12 hours).
