News from the Field : Smart grids play key role in modern energy infrastructure
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How do you ensure a steady supply of electricity from fickle renewable sources such as solar, wind and biomass? 'Smart grids' that ...
High Voltage Probes - an Introduction
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High Voltage probes are used to measure high voltages which are beyond the range of common measuring instruments. For instance, ordinary mu...
Liquid Rheostats - an Introduction
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Liquid Rheostats are variable resistors which use a liquid electrolyte. The electrolyte, usually common salt, is used as the resistor whose...
Polarity in Capacitors
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Capacitors are components which are used in electric and electronic circuits to store charge, to filter dc, to improve power factor and so o...
What are the advantages of wound rotor over a squirrel cage rotor for induction motors
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Wound rotors are used in applications where high starting torque is required. External resistances may be added to these rotors via slip ri...
What are the advantages of wound rotor over a squirrel cage rotor for induction motors
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Wound rotors are used in applications where high starting torque is required. External resistances may be added to these rotors via slip ri...
Surge Arrestors - An Introduction
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A surge arrestor is an electric equipment used in substations and switch yards. The surge arrester is used to protect the substation equipm...
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