Recent questions tagged wattmeter

1 answer 9 views

Merits of two wattmeter method

asked Sep 6, 2018 by Shimroz123
1 answer 8 views

State the effects of errors in dynamometer type wattmeter due to i) pc- inductance ii) pc- capacitance iii) mutual inductance iv) Connection.

asked Sep 6, 2018 by Shimroz123
1 answer 6 views

State any four errors that occur in dynamometer type wattmeter

asked Sep 6, 2018 by Shimroz123
1 answer 12 views

Compare CC and PC of wattmeter on the basis of:- (i) Connection (ii) Status (iii) Number of turns (iv) Gauge of wire.

asked Sep 6, 2018 by Shimroz123
1 answer 6 views

With neat diagram explain constructional details of dynamometer type wattmeter.

asked Sep 6, 2018 by Shimroz123
1 answer 72 views

State any two disadvantages of one wattmeter method of measurement of 3 phase power.

asked Sep 6, 2018 by Shimroz123
1 answer 13 views

State various types of errors in wattmeter.

asked Sep 6, 2018 by Shimroz123
1 answer 17 views

Explain construction & working of electrodynamometer type wattmeter.

asked Sep 5, 2018 by Shimroz123
1 answer 131 views

List the different errors in wattmeter & explain compensation for it.

asked Sep 5, 2018 by Shimroz123
1 answer 15 views

List one advantage and one disadvantage of one wattmeter method. 

asked Sep 5, 2018 by Shimroz123
1 answer 74 views

The torque produced in wattmeter is proportional to

asked Apr 26, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 47 views

The potential coil of a single phase dynamometer wattmeter has 4840 Ohm resistance. Voltage across the load is 220 V. With the potential coil connected on the load side, the meter indicates 100 W. Approximate percentage error due to wattmeter connection is (A) 11% (B) 9% (C) 1.1% (D) 3%

asked Apr 25, 2018 in Instrumentation and control by Shimroz123
1 answer 21 views

In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be?

asked Mar 21, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 133 views

In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was?

asked Mar 21, 2018 in Electrical Measurements and Instrumentation by Shimroz123
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