Showing posts with the label High Voltage

What is an energy management system?

An Energy Management System (EMS) is a strategic methodology employed to efficiently manage and opt…

What is Switchgear in the electrical network?

Switchgear plays a vital role in the safe and reliable operation of electrical systems at medium vo…

What is Load Break Switch (LBS)?

A load break switch is a disconnect switch that has been designed to provide making or breaking of …

What is Fusesaver in Electric Transmission?

Fusesaver, the world’s fastest medium-voltage (MV) outdoor vacuum circuit-breaker, is the most cost…

What is Auto Recloser in Electrical Power Distribution?

A recloser is an automatic, high-voltage electric switch. Like a circuit breaker on household ele…

Why is voltage dropped from 220V to 185V?

Distance plays in part as the resistance of the wire increases with it’s length. I will assume bein…

Why is the resistance of DC equal to resistance of AC?

Resistance to AC is only the same as DC in a purely resistive circuit. Something like a heating ele…

Why do we use Aluminum to substitute Copper in transmission lines?

Aluminum is very close to the conductivity of copper, about 1.6 times as much resistance per foot f…

why don't big airplanes use DC electricity?

There are two problems with DC that are rarely discussed but very important. 1 - Electric arcs. I…

Why does Power Unit of AC use KVA and DC use KW?

AC power is an alternating sine wave (or some other repeating wave form that hopefully resembles a …

Understanding Measuring Volts and Amps in electrical cable and device

The type of instrument to be purchased for general use in the electrotechnical industries is a diff…

A surge protection unit and an automatic voltage regulator are the same function?

Automatic Voltage Regulators attempt to increase or reduce the voltage in response to a change in…

Why are overhead high voltage power lines not insulated?

Overhead high voltage power lines are not just a simple copper wire but it is actually a combinatio…

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