JPS5972900U

JPS5972900U - Excitation control device for self-excited alternator

Info

Publication number: JPS5972900U
Application number: JP16708382U
Authority: JP
Inventors: 小倉　恒信
Original assignee: 澤藤電機株式会社
Priority date: 1982-11-04
Filing date: 1982-11-04
Publication date: 1984-05-17

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図は従来のこの種装置を示す電気回路図、第２図は
本考案−実施例装置を示す電気回路図である。なお、図中同一符号で示すものは同一または等効のもの
を示しており、１は発電機、２は回転子、３は界磁コイ
ル、４は固定子、５は主発電コイル、６は補発電コイル
、７は一般負荷、１０は電圧調整器１．１１は電磁リレ
ー、１２は常閉のリレー接点、１３はリレーコイル、Ｄ
Ｓｌ、ＤＳ２は全波整流器、Ｔ１．　Ｔ２．　Ｔ３はス
イッチングトランジスタ、Ｒ１−Ｒ７は抵抗である。FIG. 1 is an electrical circuit diagram showing a conventional device of this type, and FIG. 2 is an electrical circuit diagram showing an embodiment of the invention. In addition, the same reference numerals in the figure indicate the same or equal effects, and 1 is the generator, 2 is the rotor, 3 is the field coil, 4 is the stator, 5 is the main generator coil, and 6 is the main generator coil. Auxiliary power generation coil, 7 is general load, 10 is voltage regulator 1.11 is electromagnetic relay, 12 is normally closed relay contact, 13 is relay coil, D
Sl, DS2 are full wave rectifiers, T1. T2. T3 is a switching transistor, and R1-R7 are resistors.

Claims

[Scope of utility model registration request]

A field coil is wound around the rotor, and a main generating coil for general loads and an auxiliary generating coil for excitation are wound around the rotor, respectively, and the field coil excitation circuit of the auxiliary generating coil is wound around the rotor. A self-excited alternator with a switching transistor connected therein, the switching transistor being turned on by the output voltage of the auxiliary power generation coil and turned off by the signal voltage detected from the output voltage of the main power generation coil. In the excitation control device, a normally closed relay contact in which a plurality of resistors are connected in series to a circuit that turns on the switching transistor with the voltage generated by the auxiliary power generating coil, and a part of the plurality of resistors is short-circuited. An excitation control device for a self-excited alternator, characterized in that the relay contact is opened by a signal voltage detected from the voltage generated by the main generating coil.