JPS6125095U

JPS6125095U - DC braking circuit for induction motor

Info

Publication number: JPS6125095U
Application number: JP11052384U
Authority: JP
Inventors: 歳春井上; 博史紙本
Original assignee: 富士電機株式会社
Priority date: 1984-07-20
Filing date: 1984-07-20
Publication date: 1986-02-14

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案の実施例を示す回路図であり、第２図は
本考案の第２の実施例を示す回路図、第３図は並列運転
する誘導電動機に直流制動電流を与えるときの従来例を
示す回路図である。１・・・配線用遮断器、２・・・運転用開閉器、３，４
・・・過電流リレー、５・・・１号誘導電動機、６・・
・２号誘導電動機、７・・・変圧器、８・・・整流器、
９・・・直流制動用開閉器、１１・・・１号運転開閉器
、１２・・・２号運転開閉器、１３・・・運転用開閉器
、１４・・・並列用開閉器、１７・・・変圧器、１８・
・・整流器、１９・・・直列用開閉器。Fig. 1 is a circuit diagram showing an embodiment of the present invention, Fig. 2 is a circuit diagram showing a second embodiment of the invention, and Fig. 3 is a circuit diagram showing a second embodiment of the invention. FIG. 2 is a circuit diagram showing a conventional example. 1...Made circuit breaker, 2...Operation switch, 3, 4
... Overcurrent relay, 5... No. 1 induction motor, 6...
・No. 2 induction motor, 7... transformer, 8... rectifier,
9... DC brake switch, 11... No. 1 operation switch, 12... No. 2 operation switch, 13... Operation switch, 14... Parallel switch, 17. ...Transformer, 18.
... Rectifier, 19... Series switch.

Claims

[Scope of utility model registration request]

A switch that opens and closes between a plurality of induction motors operating in parallel and between these motors and a motor drive power source, a series switch that connects each of the induction motor armature windings in series, and a series connection. A DC braking circuit for an induction motor, comprising a DC power source that supplies a desired DC current to a motor armature winding.