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What is a AC Potentiometer?

Encyclopedia
Encyclopedia
Field: Encyclopedia
0
China


What is a AC Potentiometer ?



AC Potentiometer Definition


An AC potentiometer measures unknown voltage by balancing it with a known voltage, including both magnitude and phase.


 

Types of AC Potentiometers


  • Polar type

  • Coordinate type


 

Polar Type Potentiometer


Measures magnitude and phase angle using separate scales and components like a phase-shifting transformer.


 

54d27ccfcceacc07198623fe8878c786.jpeg


 

 

Coordinate Type Potentiometer


Measures in-phase and quadrature components of the unknown voltage using two potentiometers in one circuit.


 

14527e40f005ca2fa1bdec334f3e98fa.jpeg

 


Applications


  • Measurement of self-inductance

  • Calibration of voltmeter

  • Calibration of Ammeter

  • Calibration of watt meter


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