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Nowadays electrical utilities or industries are trying to monitor their electrical apparatus with online monitoring, without shutting the apparatus down. We are in PLN has taken this monitoring concept by applying vibration monitoring. This vibration monitoring has been applied to some of the transformers as a pilot project in PLN Region Jakarta and Banten. As voltage applied to the transformer, vibration...
A multipoint fiber-optic temperature sensor network integrated inside a power transformer for continuous monitoring of hot-spots on windings, cellulose insulations, and oil, is demonstrated and tested. The temperature sensors are based on proprietary encapsulated fiber Bragg grating (FBG) sensors and the optical interrogation unit uses a special designed narrowband high power broadband fiber source...
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