On-line monitoring device for magnetic steel's loss of excitation for elevator traction machine

The utility model discloses an on-line monitoring device for magnetic steel's loss of excitation for an elevator traction machine. The monitoring device comprises a master controller of the traction machine and a permanent magnet synchronous motor electrically connected with the master controll...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG WENGANG, HUANG GUANGMING, WANG SHUCHONG, ZHANG JUERONG
Format:	Patent
Sprache:	eng
Schlagworte:	ELEVATORS ESCALATORS OR MOVING WALKWAYS HAULING HOISTING LIFTING PERFORMING OPERATIONS TRANSPORTING
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