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Creep adjustment involves _________

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Creep adjustment involves _________

(a) adjusting the creep

(b) exciting the current coil

(c) adjusting the turns ratio

(d) exciting the pressure coil

The question was posed to me in an online interview.

My enquiry is from Electronic Energy Meter, Adjustments in Single Phase Energy meters topic in portion Measurement of Power and Related Parameters of Electrical Measurements

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Right answer is (d) exciting the pressure coil

The explanation: The pressure coil is excited by 110% with respect to the rated voltage. Load current is zero. The meter will not creep provided the light load is adjusted correctly.

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