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  2. Isolation transformer - Wikipedia

    en.wikipedia.org/wiki/Isolation_transformer

    Isolation transformers are also used for the power supply of devices not at ground potential. An example is the Austin transformer for the power supply of air-traffic obstacle warning lamps on radio antenna masts. Without the isolation transformer, the lighting circuits on the mast would conduct radio-frequency energy to ground through the ...

  3. Surplus Record Machinery & Equipment Directory - Wikipedia

    en.wikipedia.org/wiki/Surplus_Record_Machinery...

    The record's listings have included more than 100,000 industrial assets such as metalworking and fabricating machine tools, woodworking tools, chemical and process equipment, cranes, air compressors, pumps, motors, circuit breakers, generators, transformers, turbines. More than 1,000 businesses list with the online Surplus Record.

  4. Galvanic isolation - Wikipedia

    en.wikipedia.org/wiki/Galvanic_isolation

    Galvanic isolation is used where two or more electric circuits must communicate, but their grounds may be at different potentials. It is an effective method of breaking ground loops by preventing unwanted current from flowing between two units sharing a ground conductor. Galvanic isolation is also used for safety, preventing accidental electric ...

  5. Isolated-phase bus - Wikipedia

    en.wikipedia.org/wiki/Isolated-phase_bus

    A smaller type of isolated-phase bus is manufactured for direct-current circuits; this may be used in the field circuit of a generator. Currently, the isolated-phase bus world record current is 52,000 A, for bus manufactured by Alstom Power (since 2015 General Electric Power) and installed at the Civaux Nuclear Power Plant , in 1997.

  6. Virginia Transformer Corporation - Wikipedia

    en.wikipedia.org/wiki/Virginia_Transformer...

    Virginia Transformer Corp (VTC) is the fourth largest power transformer manufacturer in North America, [citation needed] the largest US-owned. [1] It was established in 1971 to provide power transformers to the Appalachian mining industry. [1] Since then it has expanded to provide transformers across North America.

  7. Disconnector - Wikipedia

    en.wikipedia.org/wiki/Disconnector

    High-voltage disconnectors are used in electrical substations to allow isolation of apparatus such as circuit breakers, transformers, and transmission lines, for maintenance. The disconnector is usually not intended for normal control of the circuit, but only for safety isolation.

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