LOAD are called current coils; These will carry a full load current IL as shown in the figureThe moving coil is connected across the supply is called a voltage coil (or) pressure coil, which will carry a current IP as shown in the figureBoth coils are connected in parallel so that two different currents will flow through the coils IL and IP respectively In ORDER to measure the AC power USING this METER, we have to consider two assumptions inside the meter.The supply voltage is equal to load voltage that means a drop in the current coil is neglectedThe pressure coil is assumed to be purely and highly resistive in NATURE

"> LOAD are called current coils; These will carry a full load current IL as shown in the figureThe moving coil is connected across the supply is called a voltage coil (or) pressure coil, which will carry a current IP as shown in the figureBoth coils are connected in parallel so that two different currents will flow through the coils IL and IP respectively In ORDER to measure the AC power USING this METER, we have to consider two assumptions inside the meter.The supply voltage is equal to load voltage that means a drop in the current coil is neglectedThe pressure coil is assumed to be purely and highly resistive in NATURE

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In a dynamometer wattmeter, the moving coil is:

Electrical Engineering Indicating Instruments in Electrical Engineering . 8 months ago

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Electrodynamometer instrument as a wattmeter: An electrodynamometer instrument can be used as a wattmeter to measure powerTwo fixed coils are connected in series with the LOAD are called current coils; These will carry a full load current IL as shown in the figureThe moving coil is connected across the supply is called a voltage coil (or) pressure coil, which will carry a current IP as shown in the figureBoth coils are connected in parallel so that two different currents will flow through the coils IL and IP respectively In ORDER to measure the AC power USING this METER, we have to consider two assumptions inside the meter.The supply voltage is equal to load voltage that means a drop in the current coil is neglectedThe pressure coil is assumed to be purely and highly resistive in NATURE

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Posted on 03 Nov 2024, this text provides information on Electrical Engineering related to Indicating Instruments in Electrical Engineering. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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