Single Phase fully Controlled Bridge Rectifier Converter

SINGLE PHASE FULLY CONTROLLED BRIDGE CONVERTER

AIM:

To set up a single phase fully controlled bridge converter and conduct experiment in the setup to obtain

1. The waveforms across load and thyristor for α= 60⁰ corresponding to the   discontinuous mode of operation.
2. The load current waveforms for α= 60⁰ corresponding to discontinuous mode of operation.
3. The average output voltage α= 60⁰ corresponding to continuous conduction.Verify with theoretical value.

EQUIPMENTS AND COMPONENTS REQUIRED:

CIRCUIT DIAGRAM:

PROCEDURE:

Connections are made as in figure. The autotransformer is adjusted so that the input voltage is 60 V. The firing angle of the thyristors is varied by varying the pot in the firing module. If the thyristors do not fire interchange the input connections to the bridge. The required waveforms are plotted.

RESULT:

A single phase fully controlled bridge converter has been setup. the waveforms across load and thyristor for for α= 60⁰ has obtained corresponding to discontinuous and continuous mode of operation.