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RU93048211A - DEVICE FOR PROTECTING THE STATOR OF THE GENERATOR FROM SHORT TO EARTH - Google Patents

DEVICE FOR PROTECTING THE STATOR OF THE GENERATOR FROM SHORT TO EARTH

Info

Publication number
RU93048211A
RU93048211A RU93048211/07A RU93048211A RU93048211A RU 93048211 A RU93048211 A RU 93048211A RU 93048211/07 A RU93048211/07 A RU 93048211/07A RU 93048211 A RU93048211 A RU 93048211A RU 93048211 A RU93048211 A RU 93048211A
Authority
RU
Russia
Prior art keywords
circuit
stator
protecting
earth
generator
Prior art date
Application number
RU93048211/07A
Other languages
Russian (ru)
Inventor
С.А. Евдокимов
Л.В. Крылова
В.И. Поляхов
С.Е. Сурцева
Original Assignee
Научно-исследовательский институт электроэнергетики
Filing date
Publication date
Application filed by Научно-исследовательский институт электроэнергетики filed Critical Научно-исследовательский институт электроэнергетики
Publication of RU93048211A publication Critical patent/RU93048211A/en

Links

Claims (1)

Изобретение относится к электротехнике. Устройство содержит последовательную цепь из датчика тока и конденсатора, источники постоянного и переменного напряжения, реагирующий орган, два фильтра, логический элемент отрицания, логический элемент И, блок коммутации. Изобретение обеспечивает надежную работу устройства защиты и безопасность обслуживающего персонала за счет автоматического восстановления обрыва цепи связи нейтрали первичной обмотки измерительного трансформатора напряжения с контуром заземления и осуществления контроля состояния указанной цепи.The invention relates to electrical engineering. The device comprises a serial circuit from a current sensor and a capacitor, sources of direct and alternating voltage, a reacting organ, two filters, a negative logic element, an AND logic element, a switching unit. The invention provides reliable operation of the protection device and the safety of maintenance personnel by automatically restoring an open circuit in the neutral circuit of the primary winding of the voltage measuring transformer with the ground loop and monitoring the state of the circuit.
RU93048211/07A 1993-10-18 DEVICE FOR PROTECTING THE STATOR OF THE GENERATOR FROM SHORT TO EARTH RU93048211A (en)

Publications (1)

Publication Number Publication Date
RU93048211A true RU93048211A (en) 1996-10-10

Family

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