HV Exit Exam • Set 5 Question 23 of 30

Which of the following instruments or techniques can be used for the precise measurement of high DC voltages?

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Direct Answer

Option A: Generating voltmeter (rotary electrostatic voltmeter)

A Generating Voltmeter (variable capacitance electrostatic field mill) measures high DC potentials without drawing continuous load current from the source.

All Options

Generating voltmeter (rotary electrostatic voltmeter) (Correct Answer)

Peak AC detector

Current transformer

Wheatstone bridge

Detailed Explanation & Context

A Generating Voltmeter (variable capacitance electrostatic field mill) measures high DC potentials without drawing continuous load current from the source.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • High Voltage Safety Officer & Switchgear Operations (HV).

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