22-12-2012, 03:23 PM
OPEN CIRCUIT AND SHORT CIRCUIT TEST ON SINGLE PHASE TRANSFORMER
OPEN CIRCUIT AND SHORT CIRCUIT TEST.docx (Size: 15.27 KB / Downloads: 30)
PROCEDURE
The connections are given as per the circuit diagram.
The DPST switch is closed.
The terminal (secondary) voltage of the transformer is adjusted to the rated value by varying the auto transformer.
The readings of all the meters are noted.
Short circuit test
PROCEDURE
The connections are given as per the circuit diagram.
The DPST switch is closed.
The terminal (secondary) current of the transformer is adjusted to the rated value by varying the auto transformer.
All the meter readings are noted.
PRECAUTION
All the switches are kept open initially.
The auto transformer is kept at minimum potential position at time of starting and stopping and experiment.