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The 350A0~350V high-frequency regulated plasma polishing rectifier mainly adopts high-frequency rectification technology, DSP control, and IGBT as the main switching tube. The system adopts an N+1 honor design, which is safe and reliable. It is mainly used for plasma polishing of stainless steel, copper and titanium alloy.
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Input Characteristics
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Working Voltage
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Three – phase four – wire AC380Vac±10% without neutral wire
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Frequency
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45~66Hz
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Input Current
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<250A
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Output Characteristics
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Maximum Output Voltage
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400V
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Maximum Output Current
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0~350A
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Output Voltage Range
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230VDC~400VDC
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Output Voltage Decimal
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1 decimal place after the decimal point, customizable
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Output Current Decimal
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Adjustable in steps of 1A, customizable
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Maximum Efficiency
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>93% (maximum)
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Other Parameters
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Voltage Regulation/Current Regulation Precision
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<±1%FS (20%~100% rated output current)
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Output Voltage/Current Error
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<±1% (customizable) FS
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Temperature Coefficient
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<0.05%/°C
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Current Sharing Unbalance Degree
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/
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Output Ripple
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Ripple voltage peak coefficient <±1%FS; RMS customizable
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Dielectric Withstand Voltage
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2000Vac 50HZ/1min. Input – Output/Input – Earth/Output – Earth
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Protection Characteristics
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Input Under – voltage/Over – voltage
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330 (±5) V/ (450 ±5) V
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Output Over – voltage Protection Point
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420V
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Output Current – limiting Protection
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390A
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Over – temperature Protection
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Heat sink temperature > 70°C, module shutdown protection
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Communication Alarm
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Communication Bus Protocol
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RS485/Modbus
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Alarm and Status
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Mains over – voltage/under – voltage, output over – current/over – voltage/short – circuit/over – temperature/short – circuit/, communication abnormality, etc.
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Physical Characteristics
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Usage Scenario
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For indoor use only
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Cooling Method
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Intelligent air cooling < 65dB
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Dimensions (HWD)
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700mm650mm1500mm
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