Repair of electrical equipment

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Selection of the scheme for connecting the phases of the electric motor - connecting the windings with star and delta. Useful for electrician: electrical engineering and electronics

To connect an asynchronous electric motor to the network, its stator winding must be star or delta connected. To...

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Advantages of using multi-speed motors. Useful for Electrical Engineering: Electrical and Electronics Engineering

The replacement of conventional single-speed motors with multi-speed ones in many cases significantly improves the technological and operational qualities of machines and metal-cutting machines...

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Selsyns: purpose, device, principle of action. Useful for electrician: electrical engineering and electronics

Selsyns are a special type of alternating current electrical machine with power from a few watts to several hundred watts (less than...

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Schemes for the inclusion of amplifiers of electrical machines «Useful for an electrician: electrical engineering and electronics

Any self-excited electric generator can be called an electric machine amplifier (EMU) by considering the excitation as an input…

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Synchronous machines — motors, generators and compensators. Useful for electrician: electrical engineering and electronics

A synchronous machine is an electrical machine in which one of the windings is connected to an alternating current mains and the other...