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13 - Curriculum Development Centre, Kalamassery

13 - Curriculum Development Centre, Kalamassery

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2.1.8 Explain the principle of operation of induction type energy meter.2.1.9 Describe the method of reducing the error due to p.f and friction.2.1.10 Explain the effect of creeping and suggest remedies for its compensation.2.1.11 Draw the sketches of 3-phase energy meter (2 element and 3 element types).2.1.12 Explain the procedure with circuit diagram the calibration of energy meter usingstandard wattmeter and stopwatch.2.1.<strong>13</strong> Explain phantom loading.2.1.14 Explain calibration of energy meter by phantom loading with circuit diagram.2.1.15 Know the connection diagram of CTs and PTs in association with wattmeter andenergy meter.UNIT – III3.1.0 Study the various methods of measuring Resistance, Inductance and Capacitance3.1.1 Study the potentiometer methods for low resistance measurement3.1.2 Explain the importance of soldered connections in low resistance measurement3.1.3 Explain the wheat stone’s bridge and slide wire bridge for measurement of mediumresistance measurement3.1.4 Draw the sketch of insulation megger3.1.5 Describe the working principle of megger3.1.6 Explain measurement of insulation resistance using megger3.1.7 Know the range of earth resistance at different electrical installations like majorpower station, substation domestic installation3.1.8 Understand the procedure of measurement of earth resistance by fall of potentialmethod3.1.9 Measure earth resistance by 4 electrode earth tester3.1.10 Know the methods of locating cable fault3.1.11 Understand the method of locating faults by potential drop method3.1.12 Understand the principle of AC bridge3.1.<strong>13</strong> Understand the procedure of measurement of resistance inductance and capacitanceby LCR bridge3.1.14 Understand the weins bridge for measurement of frequency3.1.15 Understand the Max well’s bridge for measurement of inductance3.1.16 Understand the Schering’s bridge for measurement of capacitanceUNIT – IV4.1.0 Study the various types of commercial instruments4.1.1 Know classifications of frequency meter4.1.2 Describe the working principle of Reed type and indicating type frequency meter4.1.3 Understand the single phase and 3 phase dynamometer type p.f meter4.1.4 Describe the briefly the connections of synchroscope and phase sequence indicator4.1.5 Understand the principle and working of analog type multimeter4.1.6 Understand the digital multimeter4.1.7 Know the applications of multimeter4.1.8 Understand the digital frequency meter4.1.9 Explain digital volt meter4.1.10 Describe the principle and operation of maximum demand indicator4.1.11 Understand the TOD meter4.1.12 Understand the Digital single phase and 3 phase energy meter4.1.<strong>13</strong> Measure power factor using digital phase meter4.1.14 Understand the digital watt meterUNIT - V5.1.0 Study the CRO and transducers5.1.1 Study the working principle of CRO5.1.2 Sketch the CRT74

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