16-12-2015 дата публикации
Номер: CN0204882857U
Автор:
XUN DAHAI,
GUO JIANZHONG,
LI QIANG,
GUO SHENG,
LIU XIRONG,
WANG XUEFENG,
LI CUIPING,
DONG HUI,
WANG NINI,
XUE JINXUN,
LU XUELI,
YUAN ZHAOJUAN,
SUN JIYAN,
LI CHANGFENG,
GAO XIUQIN
Принадлежит:
The utility model relates to an electric energy metering device check system before normal operating of user's electric wire netting, including main test circuit and control circuit, main test circuit includes A, B, C three -phase circuit, standard simulation load and A, B, C phase relay normally open contact, a, B, C phase relay normally open contact's one end respectively with A, B, C three -phase circuit connects, the other end is received and is connected together and with the one end of standard simulation load, control circuit includes A, B, C phase relay and remote control circuit, remote control circuit includes remote controller and remote control receiving ware, a, B, the electricity of the mutual interlocking of C phase relay is connected, the remote control receiving ware is equipped with three on -off control of group ends, three group controls end is connected at A respectively, B, C phase relay's stitch control props up on the road. The utility model discloses can effectually ...
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