AIM: To calibrate the given single phase wattmeter by phantom loading at UPF and at 0.5pf. APPARATUS REQUIRED: Voltmeter Ammeter Wattmeter Lamp load Energy meter THEORY When current rating of the meter under test...
AIM: To calibrate the energy meter by direct loading. APPARATUS REQUIRED: Voltmeter Ammeter Wattmeter Lamp load Energy meter THEORY: The process of comparing of an instrument with standard or absolute instrument is called calibration....
AIM: To calibrate the given ammeter ( 0 – 5)A using slide wire potentiometer. EQUIPMENTS REQUIRED: Ammeter , Slide wire potentiometer Kit, Standard cell , Galvanometer, Standard resistance box THEORY: A potentiometer instrument for...
AIM: To measure self inductance of two coils, mutual inductance between these and the coefficient of coupling APPARATUS REQUIRED: AC Ammeter (0-2)A MI , Voltmeter (0-250)V MI , 230/115 V Transformer, Autotransformer THEORY: When...
AIM: To determine the resistance of the given coil of ammeter using Kelvin’s Double bridge and to extend the range of ammeter from (0-5)A to 100 A. EQUIPMENTS REQUIRED: Kelvin’sdouble bridge Trainer Kit ,...
AIM: To measure the resistance of the given dc voltmeter using Wheatstone’s Bridge and to find the multiplier resistor required to to extend the range of given voltmeter from (0-10)V to 100V. EQUIPMENTS REQUIRED:...
AIM: To measure the power in 3 -phase balanced star connected load and to determine the power factor. APPARATUS REQUIRED: Wattmeter 2.50 A, 600V 2 No’s Ammeter 0 – 2.5 A M/I Type 1...
AIM: To measure the 3-phase reactive power by one – wattmeter method for inductive load. APPARATUS REQUIRED: SinglePhaseWattmeter, Three Phase inductive load. THEORY: Three phase reactive power can be measured by two wattmeter method...
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