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1. (WO2018099353) TRACTION CONTROL CIRCUIT FOR DOUBLE-HEADED LOCOMOTIVES EMPLOYED UPON FAILURE OF ONE LOCOMOTIVE

Pub. No.:    WO/2018/099353    International Application No.:    PCT/CN2017/113239
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Wed Nov 29 00:59:59 CET 2017
IPC: B61C 17/12
H02J 9/02
Applicants: CRRC QISHUYAN CO., LTD
中车戚墅堰机车有限公司
Inventors: XIA, Jianmin
夏建民
WU, Hongjun
吴宏军
CHANG, Hongjie
常泓洁
ZHOU, Jiandong
周建东
Title: TRACTION CONTROL CIRCUIT FOR DOUBLE-HEADED LOCOMOTIVES EMPLOYED UPON FAILURE OF ONE LOCOMOTIVE
Abstract:
A traction control circuit for double-headed locomotives employed upon a failure of one locomotive. The double-headed locomotives comprise a controlled locomotive and a controlling locomotive; the controlled locomotive comprises an adjustable-speed drive WTQ; the controlling locomotive comprises an adjustable-speed drive WTQ, an adjustable-speed drive speed adjustment circuit, an adjustable-speed drive power supply circuit, and a locomotive loading circuit, the adjustable-speed drive speed adjustment circuit comprising a driver controller KZ, and the locomotive loading circuit comprising an excitation contactor LC; the adjustable-speed drive WTQ of the controlled locomotive is connected to the adjustable-speed drive WTQ of the controlling locomotive via a double-heading switch CK, and a local idling switch BDK is connected between the adjustable-speed drive WTQ and the adjustable-speed drive power supply circuit of the controlling locomotive. One end of the local idling switch BDK is connected to a connection line between the adjustable-speed drive WTQ and an adjustable-speed drive power supply of the controlling locomotive, and the other end of the local idling switch BDK is connected to a connection line between a 110 V DC positive power supply and the excitation contactor LC of the locomotive.