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Compact Rectifiers

Power Range

DC Current / DC Voltage

Main Features

Criteria	Rating
Rated Supply Voltages:	up to 690 Vac, 3-ph, 50\|60 Hz
DC Power Range:	See Power Range
Output:	Unipolar \| Bipolar
Ripple:	< 5 % at Nominal Rating \| Smoothing Filter on Request
Regulation:	0...100% of Nominal Current \| Voltage
Accuracy:	1% from 10...100% of Nominal Rating
Number of Pulses:	6 Pulse \|12 Pulse
Cooling:	Air \| Water \| Mixed
Degree of Protection:	IP20 \| IP54 \| Other on Request
Controller:	ABB DCS600 Digital Controller

Operating Conditions

Indication and Operation

Criteria	Rating
Meters:	Analogue dc-Current and dc-Voltage \| CDP-Panel
Switches / Buttons:	On/Off, Run/Stop, Reset, Emergency Stop \| CDP-Panel
Lamps:	On/Off, Ready, Running, Trip, Alarm \| CDP-Panel
Control:	Current / Voltage (Setpoint via Potentiometer) \| CDP-Panel
Remote Control:	4-20 mA Signals and Contacts \| various Data-Buses

Protection and Alarms

Criteria

Automatic main breaker on ac-side against ac + dc overload

RC-snubber circuits parallel connected to the input line and to semiconductors for protection against surge voltage

SCR firing pulse suppression device (fast overload)

Temperature thermostats placed on SCR heat sinks and in the main transformer windings

Auxiliary circuits and devices are independently protected by fuses or automatic circuit breakers

Phase sequence and phase loss protection

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