The load is connected between common cathode point of the three SCRs i.e. Three phases V AN, V BN and V CN are applied for SCRs T 1, T 2 and T 3 respectively. The conduction period for each SCR is 2π/3 radians or 120°. This circuit provides the load current i 0 is ripple free and continuous. 1 shows the circuit diagram of three-phase half wave controlled converter with highly inductive load. 1: Circuit diagram of three-phase half-wave controlled converter with highly inductive load.įig. Three-Phase Half-Wave Controlled Converter (With Highly Inductive Load)įig. Three-phase converters are mainly classified into three classes like single-phase converters (rectifiers).įull-wave converters are further classified into two classes: output is suitable for large power DC loads. The average output voltage of 3 phase converter provides higher and hence its D.C. For the large power, variable speed drives, the 3 Phase AC to DC converters are extensively used.
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