1175 Electric Propulsion and High Voltage Practice (Edition 3) - Trailer
Автор: Videotel
Загружено: 2014-02-25
Просмотров: 3462
Описание:
This is a two-part video with an accompanying workbook. Part 1 defines high voltage and why it is used in cargo carrying vessels. We then look at the safety aspects of handling high voltage, the equipment required for safe working and a basic explanation of the function and mechanics of circuit breakers, the units which protect or isolate all equipment powered by high voltage. Part 2 looks at the impact high voltage has had on
the cruise ship, from the enormous demands of providing onboard services, to the use of electricity for propulsion. Part 2 also explains the technical complexity of electric propulsion technology, which relies on the action of thyristors within computer-controlled frequency converters. Finally the operation and control of synchronous motors is reviewed and there is a description of how pulsed mode operation is required
at low running speeds.
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