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The SIMOREG CCP (Converter Commutation Protector) is used to protect a line-commutated SIMOREG 6RA70 DC MASTER from the effects of inverter commutation failures. For line-commutated converters in order to commutate the current between the individual power semiconductors, an appropriate line-side counter voltage is required. As a result of uncontrolled switching operations caused by line supply interruptions/dips (e.g. weak line supplies, thunderstorms, etc.), the completion of commutation can be prevented (inverter commutation failures). A large current is created in the regenerating direction via the power system or a crossover current is created in the power converter. This can result, in turn, to ruptured fuses or under certain circumstances, to destroyed power semiconductors. By expanding the basic software of the SIMOREG DC MASTER, an inverter commutation failure is quickly detected and a command is then issued to the SIMOREG CCP to turn-off the power semiconductors in the basic unit. The SIMOREG CCP turns-off the power semiconductors, ensures that the right conditions are available to reduce the current in the motor and absorbs the magnetic energy, stored in the motor, as electrical energy.
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Арматура DENDOR
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Датчики и измерители
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Регуляторы и регистраторы
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Пневматическое оборудование
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Краны и Клапаны
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Измерительные приборы
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Системы беспроводного управления «умный дом»
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Бесконтактные выключатели Конечные выключатели Оптические датчики Энкодеры
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SKW-FS - Установка умягчения
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SKW-FK - Установка обезжелезивания
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