A direct current ground protecting device for magnetic levitation track traffic

The utility model discloses a direct current ground protecting device for magnetic levitation track traffic, including voltage relay, ground resistance and circuit protection module, the ground resistance connection is being treated between protective apparatus and the terrestrial pole, voltage rela...

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Bibliographic Details
Main Authors SHENG RONGRONG, GONG MENGRONG, ZHONG JUN
Format Patent
LanguageChinese
English
Published 01.06.2016
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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Summary:The utility model discloses a direct current ground protecting device for magnetic levitation track traffic, including voltage relay, ground resistance and circuit protection module, the ground resistance connection is being treated between protective apparatus and the terrestrial pole, voltage relay is used for the pressure drop control circuit protective film piece according to ground resistance, circuit protection module is used for the adjustment to treat protective apparatus's supply circuit, wherein when ground resistance's pressure drop was lighter than voltage relay's setting value, the supply circuit that circuit protection module did not treat protective apparatus adjusted, when ground resistance's pressure drop more than or equal to voltage relay's setting value, protective apparatus's supply circuit is treated in the circuit protection module adjustment, makes this supply circuit and treats to break off between the protective apparatus. The utility model discloses to the characteristics of magneti
Bibliography:Application Number: CN201521136448U