Method and device for calculating breaking parameters of low-voltage switch equipment

The invention discloses a method and a device for calculating breaking parameters of low-voltage switch equipment. The method comprises the following steps of: acquiring breaking current data and port voltage data of the switch equipment which change along with time; determining a power-on starting...

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Bibliographic Details
Main Authors YAN LAIJUN, DAI JING, HU MINJIE, LI JIEYU, WEI YUANJIAN, WU LIDE, MEI SONGBIAO, WU CHUNJIU, XIE CHUNLUN, YI JUAN, YAN BOFENG, HUANG ZHIBIN, YANG WENQIANG, JIN JIANWEI
Format Patent
LanguageChinese
English
Published 22.12.2023
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:The invention discloses a method and a device for calculating breaking parameters of low-voltage switch equipment. The method comprises the following steps of: acquiring breaking current data and port voltage data of the switch equipment which change along with time; determining a power-on starting point and an arc extinguishing point according to the switching device breaking current change data, and determining an arc starting point according to the switching device port voltage change data; according to the breaking current change data between the power-on starting point and the arc extinguishing point, Joule integral is obtained, and according to the switching equipment port voltage change data and the breaking current change data between the arc starting point and the arc extinguishing point, arc energy is obtained. According to the method and the device provided by the embodiment of the invention, the breaking parameters of the low-voltage switch equipment can be accurately obtained, so that the test po
Bibliography:Application Number: CN202311112637