Measurement of High Voltage and Currents

Measurement of High Voltage and Currents:

AC Field Strength Meter : AC Field Strength Meter is usually measured by introducing a small fixed capacitance probe …


Capacitance Voltage Dividers : Capacitance voltage dividers are ideal for measurement of fast rising voltages and pulses. The capacitance …


Capacitance Voltage Transformer : The errors due to harmonic voltages can be eliminated by the use of capacitive voltage …


Cathode Ray Oscillograph for Impulse Measurements : Modern Cathode Ray Oscillograph for Impulse Measurements are sealed tube, hot cathode oscilloscopes with …


DC Electric Field Strength Meter : The DC Electric Field Strength Meter strength E can be measured by using …


Electrostatic Voltmeters : In Electrostatic Voltmeters fields, the attractive force between the electrodes of a parallel plate capacitor is …


Generating Voltmeter Principle and Construction : High voltage measuring devices employ generating principle when source loading is prohibited (as …


Impulse Voltage Measurements : Potential or voltage dividers for high voltage Impulse Voltage Measurements, high frequency …


Impulse Voltage Test System : It is extremely difficult to control and adjust the Impulse Voltage Test System wave …


Low Ohmic Shunt : The most common method employed for high impulse current measurements is a Low Ohmic Shunt …


Low Voltage Arms for Voltage Divider : Low Voltage Arms for Voltage Divider – The mode of connection and …


Magnetic Type Potential Transformer : Magnetic Type Potential Transformer are the oldest devices for a.c, measurements. They are simple …


Measurement of High Direct Current : High magnitude direct currents are measured using a resistive shunt of low ohmic …


Mixed RC Potential Divider : Mixed RC Potential Divider use R-C elements in series or in parallel. One method …


Multiple Shield Enclosures : Impulse measurements using Multiple Shield Enclosures and Signal Cable: Multiple Shield Enclosures – It is essential that leads, layout, …


Peak Reading AC Voltmeter Circuit : Peak Reading AC Voltmeter Circuit : When a capacitor is connected to a …


Peak Reading Voltmeter Circuit : Sometimes it is enough if the Peak Reading Voltmeter Circuit of an impulse voltage …


Rogowski Coil Integrator Design : If a Rogowski Coil Integrator Design is placed surrounding a current carrying conductor, the …


Series Capacitance Voltmeter : To avoid the drawbacks pointed out earlier, a Series Capacitance Voltmeter is used instead of …


Series Impedance Voltmeter : For power frequency a.c. measurements the Series Impedance Voltmeter may be a pure resistance or …


Series Resistance Microammeter : High d.c. voltages are usually measured by connecting a very high resistance (few hundreds of …


Sparkover Voltage of Sphere Gaps : Various factors that affect the sparkover voltage of a sphere …


Sphere Gap Measurement : A uniform field spark gap will always have a sparkover voltage within a known tolerance …


Uniform Field Electrode Gaps : Sphere gaps, although widely used for voltage measurements, have only limited range with Uniform …