Q3 400/450-150 4Q Q3 400/450-150 4Q Thyristor Current Rectifier

Input 3x400 V3AC; output 0...450 VDC Max. electrical power: 67.5 kW Input current: 120 A Peak output current: 300 A for 5 seconds Continuous output current: 150 A Dimensions: WxHxD 290x270x230 mm plus mains choke KD4-150; 0.16 mH plus armature choke UI180B-150; 4.2 mH Features: 4 quadrant control. Potential-free control electronics by means of current formers and ignition transformers. Selective thyristor control. Dynamic overcurrent factor 2 for 5 seconds. Potential-free tacho or torque control. Armature voltage control with high-impedance potential coupling. Precise control for speed and torque or voltage. Linear slope limiter (integrator) for setpoint. Rotary field and fuse monitoring. Two fully-controlled thyristor current bridges with zero-circuit current B6-B6, analogue REGx control electronics, differential amplifier, speed controller (RVU) with PI circuit, actual value differential input, current setpoint output, static and dynamic current limit, speed-dependent current limit (commutation limit), setpoint zero switching, enable logic, solderless adjustment, control bus, BTB relay, messages: Design: wall-mounted H*W*D 250*250*250 to 550*400*350, control electronics with plug-in terminal connection, power connection with terminals or busbars, control voltage alternatively 230 or 400 V; torque control or current control (0/4-20 mA) possible (specify when ordering) incl. EC declaration of incorporation with dismantling, operating and maintenance instructions Possible option 500/600V supply voltage