Guangzhou Gaohui Power Technology Co., Ltd.
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Mega-Scale 20000A 18V N+1 Redundant Water Cooled Hard Chrome Rectifier System Mega-Scale 20000A 18V N+1 Redundant Water Cooled Hard Chrome Rectifier System Mega-Scale 20000A 18V N+1 Redundant Water Cooled Hard Chrome Rectifier System Mega-Scale 20000A 18V N+1 Redundant Water Cooled Hard Chrome Rectifier System Mega-Scale 20000A 18V N+1 Redundant Water Cooled Hard Chrome Rectifier System
Mega-Scale 20000A 18V N+1 Redundant Water Cooled Hard Chrome Rectifier System
Mega-Scale 20000A 18V N+1 Redundant Water Cooled Hard Chrome Rectifier System
Mega-Scale 20000A 18V N+1 Redundant Water Cooled Hard Chrome Rectifier System
Mega-Scale 20000A 18V N+1 Redundant Water Cooled Hard Chrome Rectifier System
Mega-Scale 20000A 18V N+1 Redundant Water Cooled Hard Chrome Rectifier System

20000A 18V Water Cooled Hard Chrome Rectifier N+1 System

  • Output: 18V DC / 20000A (360kW)

  • Core Tech: N+1 Redundant Modular Design

  • Key Process: Automatic Periodic Reverse (PR)

  • Cooling: Water Cooling

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                        Ultra-Redundant Hard Chrome Rectifier Introduction

                        The 20000A 18V water-cooled hard chrome rectifier represents the pinnacle of reliability and power for mission-critical plating. Specifically, its N+1 redundant architecture ensures that a single module failure does not halt your entire production line. Therefore, this system is engineered for the world's largest and most demanding hard chrome applications where uptime is paramount.

                        Product Parameters

                        InputOutputVoltageSingle-phase 220V/Three-phase 380V±10%, other options available upon request
                        Frequency50Hz/60Hz, other options available upon request
                        Frequency ModeInputOutputFrequency ModeInputOutputCurrent0-Maximum value (A) adjustable (customizable up to 100,000A)
                        Voltage0-Maximum value (V) adjustable (customizable up to 10,000V)
                        PowerOutput rated voltage x rated current = Power
                        WaveformSquare wave (standard), positive pulse, positive/negative pulse, smooth wave
                        Voltage Regulation Accuracy≤±0.1% (measurement range 10-100%)
                        Current Regulation Accuracy≤±0.1% (measurement range 10-100%)
                        Frequency ModeFrequencyLow, medium, and high frequency modes, 100-9900Hz (customer selectable within this range)
                        Duty Cycle10-100% (customer selectable within this range)
                        Operating ModeSwitchable current or voltage regulation function
                        Ripple Coefficient<1%
                        Overall Efficiency≥92% (rated operating conditions)
                        Cooling MethodWater-cooled
                        Timing FunctionCumulative ampere-hour, ampere-hour, and time control
                        Operating StatusCapable of long-term full-load operation
                        Protection FunctionsOvercurrent, overheat, undervoltage, and overvoltage protection
                        Optional FunctionsRS485 communication/analog input 4-20mA/remote start/stop interface, etc.
                        Control Program CustomizationExamples include multi-stage process settings, multi-stage time control, and automatic polarity reversal.

                        Key Features of the N+1 Redundant System

                        • Fault-Tolerant N+1 Design: Firstly, the system is built with 11 power modules where only 10 are required to deliver full 20kA, guaranteeing uninterrupted operation even during maintenance or a fault.
                        • Hot-Swap Capability: Consequently, any single power module can be safely isolated and replaced while the remaining modules continue to operate at reduced capacity, maximizing uptime.
                        • Synchronized Auto-Commutati on: Moreover, the master controller perfectly synchronizes all modules to switch polarity simultaneously during PR cycles, ensuring uniform plating results across the entire bath.
                        • Industrial Water Cooling Plant: Furthermore, a dedicated, redundant external cooling plant with heat exchangers provides precise temperature control for all modules and busbars.
                        • Advanced System Diagnostics: Additionally, predictive health monitoring and granular fault logging enable proactive maintenance and minimize unplanned downtime.

                        Application Advantages

                        This ultra-redundant water-cooled hard chrome rectifier delivers unmatched operational security. Primarily, its N+1 design eliminates the risk of catastrophic production stoppages, protecting revenue and delivery schedules for high-value projects. Secondly, the immense 360kW power enables the plating of the world's largest components, such as marine crankshafts or mill housings, in a single tank. Thirdly, automated commutation and precise control yield metallurgically superior, low-stress coatings with exceptional durability. Finally, the system's scalability and centralized control future-proof your facility, allowing for capacity expansion with minimal disruption.

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