OC & SC TEST ON THREE PHASE TRANSFORMER AIM: To determine the per phase equivalent circuit parameter referred to LV side & HV side. To predetermine the efficiency & regulation for different load condition...

POLARITY & TRANSFORMATION RATIO TEST ON SINGLE PHASE TRANSFORMER AIM: To check the polarity of single phase transformer & find the transformation ratio.      APPARATOUS REQUIRED: S.No. Apparatus Range Type Quantity 1 Ammeter    ...

O.C AND S.C TESTS ON SINGLE PHASE TRANSFORMER AIM: To conduct open circuit and short circuit tests on the given 2.5KVA transformerand predetermine the following:- Equivalent circuit as referred to low voltage side Equivalent...

OPEN CIRCUIT CHARACTERISTICS OF SEPERATELY EXCITED GENERATOR AIM:  To conduct open circuit test on a separately excited generator and plot the OCC at rated speed and off rated speed. Determine the critical speed and...

SWINBURNE’S TEST AIM: To conduct Swinburne’s test on DC machine to determine efficiency when working as generator and motor without actually loading the machine. Also plot efficiency curves. APPARATOUS REQUIRED: S.No. Apparatus Range Type...

HOPKINSON’S TEST AIM: To conduct Hopkinton’s test on a pair of identical DC machines to pre-determine the efficiency of the machine as generator and as motor and to  plot the efficiency curve. APPARATOUS REQUIRED:...

OPEN CIRCUIT CHARACTERISTICS OF DC SHUNT GENERATOR AIM: To plot the OCC of a given DC Generator at rated speed & to find the critical speed & critical resistance. To plot the OCC at...

Square Root of a Given Number THEORY: A square root of a number a is a number y such that y2 = a, or, in other words, a number y whose square (the result...