Insulation, Coatings, and Adhesives in Transmission and Distribution Electrical Equipment |
5.1 INSULATING MATERIALS IN POWER EQUIPMENT
A dielectric material that resists the flow of electric charge is called an insulator. In an electrical machine, the electrical insulation ensures that current flows only along the conductors and not between individual conductors or between the conductor and the ground. Insulating materials are used in electrical equipment not only for separation of current-carrying parts from each other and from the environment, but also for support of electrical conductors. Insulating materials can serve as practical and safe insulators for low to high voltages (up to thousands of volts).
In electrical systems insulators ...
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