You may have heard of the smart meter rollout, but delays mean it’s unlikely to have reached your meter box yet. Although the government has set a 2020 deadline for the distribution of 53 million smart meters to 30 million […]
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To measure the 3-φ power in a balanced circuit, the method or main apparatus used here are 2 CT’s and one Wattmeter. The details of the apparatus required for this measurement are as follow: Wattmeter 600V, 10A, UPF -> 1
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Our aim here is to determing the value of the unknown electrical capacitance and dissipation factor of a given capacitor by the Schering’s bridge. The circuit diagram of the schering’s bridge is as shown in the figure below: Its connection
Procedure for the Calibration of Permanent Magnet Moving Coil (PMMC) Voltmeter:- Give connections as per the circuit diagram in above figure. Vary the voltage across the voltmeter so that it reads a rounded position, say 5 volts. Measure the voltage
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Procedure for the Calibration of PMMC Ammeter:- Give the connections as per the circuit diagram. By adjusting the supply voltage make that the ammeter shows a current of 0.1 Amps Now measure the voltage across the shunt by using a
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