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Most marine applications, from ships to drilling platforms, are increasingly using power electronics for motor drives and HVDC power conversion for shore to platform transmission. IEEE Working group i8 is well along in developing a standard for control/protection architecture for power electronics converters. In this digital age control/protection technology is advancing rapidly and substantial improvements...
The conventional electro-mechanical and static protective devices used for the protection of three phase Induction motors in Industrial applications normally employ separate and Independent overload, short circuit, earth fault and single phasing protective devices In the circuit breaker to take care of motor protection. The proposed all-In-one protection scheme Integrates these Into a single static...
Advent of ldquosystem on chiprdquo technology has redefined the consumer electronics industry. The main advantage of such SoC based systems is cost and space effectiveness. Such systems are available for very cheap cost, which can be further used for some practical purposes with little effort, hence very practical solution for the applications such as protective relays. In this paper a ldquoUniversalrdquo...
This article deals with the selection of low-voltage motors for hazardous areas when supplied by frequency converter. When the ATmosphere Explosive (ATEX) Directives were released in 2003, the only clear point was that ex motors with converter supply had to be safe. Otherwise, the requirements in relevant standards were different for the motors depending on the protection type or voltage, and also,...
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