Relay protection exports return circuit automatic switching control equipment
The utility model discloses a relay protection exports return circuit automatic switching control equipment, through setting up auto -change over device, an overload protection device, the 2nd overload protection device, the 3rd overload protection device and circuit breaker mechanism, utilize auto...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
05.04.2017
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a relay protection exports return circuit automatic switching control equipment, through setting up auto -change over device, an overload protection device, the 2nd overload protection device, the 3rd overload protection device and circuit breaker mechanism, utilize auto -change over device to judge that pass through operation circuit with the operating power which overlaps overload protection device inserts circuit breaker mechanism, because it has voltage relay's normally closed contact to establish ties in operation circuit, consequently, guarantee only to have simultaneously one set of overload protection device's operation electric access circuit breaker mechanism, use this relay protection exports return circuit automatic switching control equipment, when different overload protection device need export transmission and actual only circuit breaker mechanism, utilize auto -change over device automatic switch -over operating power, prevent the mutual cluster of different overlo |
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Bibliography: | Application Number: CN201621129925U |