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Input parameters:Three-phase AC 380V ± 10% 60Hz
In line with the national power quality standards
Output parameters: Two independent stand-alone machines.
One TBFB-1000A/12V single machine:
DC 0～12V adjustable, DC 0～1000A adjustable;
One TBFB-3000A/12V single machine
DC 0～12V adjustable, DC 0～3000A adjustable.
Output mode: Common DC output
Cooling method: Air cooling
Power supply type: IGBT-based Power Supply
Application Industry: Surface treatment industry, such as zinc, nickel and chrome plating
In an 12V 3000A 1000A zinc plating rectifier, after the AC input voltage is filtered by a rectifier circuit, high-voltage DC power is obtained. The “variable frequency conversion” stage inverts this high-voltage direct current into approximately 30kHz high-frequency alternating current. This high-frequency AC is then transformed into secondary voltage via a high-frequency transformer and filtered through a high-frequency rectifier circuit to produce the required output voltage. The zinc plating rectifier employs a control circuit to sample output voltage and current. These sampled signals undergo closed-loop feedback to generate pulse width modulation (PWM) signals, which regulate the inverter circuit and maintain stable output voltage/current – a critical requirement for precision electroplating applications.
Plating rectifiers support surface treatments like PCB electroplating, hard chrome coating, and metal plating (Cu, Ni, Zn, Au, Ag).
1)Field application diagram：
2)Industry application examples:
› Modular parallel connection
› Optional N+1 redundant backup
› Capable of online hot maintenance
› RS485 digital control function
› Low-voltage MOS tube rectification
› High power factor, high efficiency
› Reasonable structural design
› Effective sealed isolation
› No water joint design inside the unit
› Practical and effective multiple protection system
› Full soft switch technology
› High reliability
› Low noise, high protection level
Protection Against Corrosion
– Shields metal surfaces from rust and chemical damage (e.g., zinc plating on steel).
Increased Wear Resistance
– Hard coatings (e.g., chromium plating) reduce friction and extend part life.
Improved Appearance
– Adds shiny, decorative finishes (e.g., gold plating on jewelry, chrome on car parts).
Better Electrical Conductivity
– Used in electronics (e.g., copper plating on circuit boards).
Enhanced Solderability
– Improves bonding in electronic components (e.g., tin plating).
Repair of Worn Parts
– Restores dimensions and functionality (e.g., rebuilding engine components).
Special Industrial Uses
– Provides heat resistance (e.g., nickel plating in aerospace).
– Used in medical devices (e.g., biocompatible coatings).
› Copper Plating
Purpose: Enhances adhesion for subsequent layers and corrosion resistance.
Note: Prone to oxidation (forms non-conductive copper oxide/green patina). Requires protective coatings.
› Nickel Plating
Purpose: Used as a base layer or decorative finish; improves corrosion/wear resistance. Electroless nickel offers chrome-like durability.
Note: Magnetic properties limit use in electronics (e.g., DIN/N connectors) to avoid signal interference.
› Gold Plating
Purpose: Optimizes conductive contact impedance and signal transmission.
Key: High stability but costly.
› Palladium-Nickel Plating
Purpose: Superior signal transmission and wear resistance vs. gold.
Advantage: Combines palladium’s corrosion resistance with nickel’s hardness.
› Tin-Lead Plating
Purpose: Improves solderability.
Trend: Phased out due to lead concerns; replaced by bright/matte tin alternatives.
› Silver Plating
Purpose: Best conductivity and signal performance.
Note: Conducts even when oxidized but tarnishes over time. Higher cost.
Selection Criteria
Match plating type to application needs: corrosion/wear resistance, conductivity, cost, and environmental regulations.
› Cathode
The object to be plated (e.g., connector terminals or metal surfaces) where metal ions deposit into a solid coating.
› Anode
Soluble Anode: Made of the plating metal. Dissolves during electrolysis to replenish metal ions in the solution.
Insoluble Anode: Used for precious metals (e.g., white gold, iridium oxide). Does not dissolve but supplies electrons for reduction.
› Plating Solution
Contains ions of the target metal. Composition and concentration determine coating thickness, adhesion, and appearance.
› Plating Tank
Materials: Must resist corrosion and temperature fluctuations (e.g., polypropylene, titanium alloys).
Role: Stores solution and maintains stable plating conditions.
› Rectifier
Converts AC to DC power to drive electrolysis.
Adjust voltage/current to control deposition speed and coating thickness.
› Auxiliary Equipment
Filters: Remove impurities from the solution.
Heaters: Maintain solution temperature.
Stirrers: Ensure uniform mixing.
Air Cooling:Heat dissipation fan + air duct + comb heat sink
Water Cooling：Built-in water circulation line
| Attribute type | Parameter items | Technical requirements | |
| Input characteristics | Rated input voltage | Three-phase AC 380V ± 10% 60Hz
In line with the national power quality standards |
|
| Rated input current | AC 84.4A | ||
| Rated input power | 55.5KVA | ||
| Rated input power factor | COSΦ≥0.95 | ||
| Output characteristics | Output voltage current | Two independent stand-alone machines.
One TBFB-1000A/12V single machine: DC 0～12V adjustable, DC 0～1000A adjustable; One TBFB-3000A/12V single machine DC 0～12V adjustable, DC 0～3000A adjustable. |
|
| Steady current precision | ≤1% | ||
| Steady voltage precision | ≤1% | ||
| Display accuracy | TBFB-1000A/12V：1A，0.01V
TBFB-3000A/12V：1A，0.01V |
||
| Rated output efficiency | ≥94% | ||
| Insulation characteristics | Insulation resistance | Input-output: ≥ 5MΩ | |
| Input-chassis: ≥ 5MΩ | |||
| Output-chassis; ≥5MΩ | |||
| Protection characteristics | It has self-protection function under abnormal conditions such as overvoltage, overcurrent, overload, short circuit and overheat | ||
| Other characteristics | Noise | ≤75dB | |
| Operating status | Continuous full load operation of the product | ||
| Load grade | Grade II | ||
| Insulation grade of transformer | Class B | ||
| Weight | 300kg | ||
Liyuan will keep up with the world’s latest technology closely, and uphold the concept of providing customers with high-quality power supplies and professional integrated services.
With advanced design and rich experience in rectifier manufacturing, we will provide the best power solutions as well as the most stable and efficient power supply for users both at home and abroad.
LIYUAN rectifier is the most competitive brand in China
Company relies on strong technology research and development cooperation basis, created a number of advanced technology, in recent 3 years amounted to more than 30 to apply for a patent, which has nearly 10 patents of invention.
Equipped with the national electric power transformation and control engineering technology research center (branch), and has set up a loan enterprise academician workstation.
Strict implementation of ISO quality management system, and through the CE safety certification, has been implementing ERP management for many years, to achieve the network, systematic computer control, the formation of a standard, efficient modern management system.
Liyuan adhere to innovation and the continuous improvement of power conversion efficiency and product quality.
The increasing R&D investment every year, and cooperation with China’s well-known universities, we has established the research center of national electric power conversion and control engineering technology.
Especially the related core patents of high-power synchronous rectifier power supply, stay ahead of the whole industry in China.
The ISO 9001 quality management system has been fully implemented in Liyuan, including quality inspection of components in warehouse, production process inspection, and final product inspection.
We adopt advanced scientific quality management system and the most stringent testing methods in the whole process to ensure the stability and reliability of products.
› Packing
1)Small size rectifier packing in carton box separately.
2)Large size rectifier will be packed in wooden case.
3)We guarantee that all the packing is intact when it reaches its destination.
› Shipping
1)30-45 Days after payment.
2)Transport: DHL, FEDEX, UPS, Air shipping, Boat shipping
3)You may choose our shipping partner or your own partner.
› Maintenance
We are pleasant to share our theory and experience on equipment maintenance with users.
We are pleasant to interact with users to collect their tips and know-hows on equipment maintenance.
The module “Maintenance” here is intended to help users solve various problems they possibly encounter during equipment maintenance…
If you need other power electroplating rectifiers, we can custom design them according to customer requirements. Please contact us.
Are you looking for 12V 3000A 1000A zinc plating rectifier? Liyuan Haina Group is one of the professional manufacturers and suppliers in this field. With over 27 years of focus on R&D, design, production, sales, and technical services for industrial rectifiers, we have already exported our products to the United States, Canada,Pakistan, Britain, Italy, Spain, South Africa, Russia, the UAE, Japan, South Korea, Malaysia, and other parts of the world. Equipped with a productive factory, we warmly welcome you to purchase our high-quality, Made-in-China products at competitive prices or try our customized service.
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