High voltage electrical equipment

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Oil switch VMG-10 « Useful for electrician: electrical engineering and electronics

The VMG-10 type oil circuit breaker refers to small volume (pot) oil circuit breakers and is a switching device capable of disconnecting...

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Safety valves: principle of operation and characteristics. Useful for electrician: electrical engineering and electronics

The main elements of a valve arrester are a spark and a non-linear series resistor, which are connected in series between the current-carrying wire and ground.

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Types of circuit breakers for breaking load for 6 — 10 kV. Useful for electrician: electrical engineering and electronics

A load breaker is the simplest high voltage switch. It is used to switch off and activate circuits under load. They calculate...

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Schemes and groups of connections of transformer windings. Useful for electrician: electrical engineering and electronics

A three-phase transformer has two three-phase windings - high (HV) and low (LV) voltage, each of which includes three phase windings or phases....

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Measurement of high currents and high voltages. Useful for Electrical Engineering: Electrical and Electronics Engineering

Direct currents up to 6000 A are usually measured using shunt magnetoelectric instruments. Shunts for high currents become bulky,...