HVE_Mod 3 Quiz

High DC voltages are usually measured by connecting a very high resistance (few hundreds of mega ohms) in series with the micro-ammeter

• High Ohmic Series Resistance with Micro-Ammeter

• Resistive Potential Divider for DC Voltages

• Generating Voltmeter

• Sphere Gap Measurement

Name the circuit mentioned ?

• generating voltmeter

• sphere gap arrangement

• Resistive Potential Divider for DC Voltages

• electrostatic voltmeter

•A variable capacitor electrostatic voltage generator which generates current proportional to the applies voltage is called as ?

• electrostatic voltmeter

• Generating Voltmeter

• None of the above

• mixed rc voltmeter

which is not an advanatge of generating voltmeter ?

• No source loading

• No direct connection to high voltage electrode

• Scale is linear and extension of range is easy

• They require calibration

what is the name of "P" mentioned in the diagram ?

• Sparking point

• Insulator support

• sphere shank

• diameter of the sphere

what is the standard for Sphere Gap Measurement?

• IS 1876, BS 358, IEC publication 52

• IS 1880, BS 358, IEC publication 52

• IS 1880, BS 358, IEC publication 57

• IS 1880, BS 398, IEC publication 52

In Mixed R-C Potential Divider for HV Impulse Measurement, optimally damped dividers are given by:

• 
• 
• 
• 

In Mixed RC network, what is the condition for RC network

• C1R1 = R2C2

• R1R2 = C1C2

• C1R3 = R2RN

• C1\C2 = R1\R2

which circuit represnts the time constant of the equation mentioned here ?

• Resistive Potential Divider for very low fast rising currents

• Resistive Potential Divider for very low impulse voltages

• Resistive Potential Divider for very high impulse voltages and fast rising currents

• Resistive Potential Divider for very low impulse voltages and fast rising currents

•When one of the electrode is free to move, the force on the plate can be measured by controlling it by spring (or) balancing with a counter weight. Statement represnts which method ?

• resistive potential divider

• speher gap measurement

• Electrostatic Voltmeter

• Generating voltmeter