Bus breaker control circuit for railway vehicle

A bus breaker control circuit for a railway vehicle includes a close relay, an open relay, a power supply circuit for a bus breaker, a power supply circuit for the hold relay, and a delay module; the power supply circuit for the hold relay comprises a normally-closed contact of the open relay, an au...

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Bibliographic Details
Main Authors Ding, Hemin, Xie, Wei, Ge, Lian, Shi, Caixia, Yang, Li, Chang, Jianglong
Format Patent
LanguageEnglish
Published 07.11.2023
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
PERFORMING OPERATIONS
POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES
TRANSPORTING
VEHICLES IN GENERAL
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Summary:A bus breaker control circuit for a railway vehicle includes a close relay, an open relay, a power supply circuit for a bus breaker, a power supply circuit for the hold relay, and a delay module; the power supply circuit for the hold relay comprises a normally-closed contact of the open relay, an auxiliary normally-open contact of the bus breaker, and the hold relay sequentially connected in series to a train power supply; the power supply circuit for the bus breaker comprises a normally-open contact of the hold relay and the bus breaker sequentially connected in series to the train power supply; and the delay module is connected in parallel with the hold relay, normally-closed contacts of the delay module are connected in series to the power supply circuit for the close relay.
Bibliography:Application Number: US202017436659