JPS58700U

JPS58700U - Motor generator disturbance prevention circuit

Info

Publication number: JPS58700U
Application number: JP9442281U
Authority: JP
Inventors: 片山　「ただし」
Original assignee: Toshiba Corp
Current assignee: Toshiba Corp
Priority date: 1981-06-25
Filing date: 1981-06-25
Publication date: 1983-01-05

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

゛　第１図は電動発電機の従来の制御回路図、第２図は
第１図における自動周波数制御回路のブロック図、第３
図は第２図における乱調検出回路の回路図、第４図は第
３図における微分回路の入力電圧特性図、第５図は本考
案の一実施例の電機子電流Ｉａの検出説明図、第６図は
同実施例の乱調検出回路の回路図、第７図はホール素子
の出力特性図である。１・・・パンタグラフ、２・・・開閉器、３・・・抵抗
器、４・・・電動機、５・・・分路リアクトル、６・・
・開閉器、７・・・電動機用界磁巻線、８・・・励磁機
、９・・・位相制御整流器（−１０・・・直流変流器、
１１・・・自動周波数制御回路、１２・・・′励磁機用
界磁巻線、１３・・・発電機、１４・・・発電機用界磁
巻線、１５・・・自動電圧制御回路、１６・・・出力周
波数検出回路、１７・・・乱調検出回路、１８・・・基
準電圧設定回路、１９・・・増幅器、２０・・・移相器
、２１・・・同期回路、２２・・・パルス発生器、２３
・・・パルス増幅器、２４・・・整流器、２５・・・平
滑回路、２６・・・微分回路、２７・・・整流器、２８
・・・直流リアクトル、２９・・・抵抗器、３ｏ・・・
鉄心、３１・・・コイル、３２・・・ホール素子。゛ Figure 1 is a conventional control circuit diagram of a motor generator, Figure 2 is a block diagram of the automatic frequency control circuit in Figure 1, and Figure 3 is a block diagram of the automatic frequency control circuit in Figure 1.
2 is a circuit diagram of the disturbance detection circuit in FIG. 2, FIG. 4 is an input voltage characteristic diagram of the differential circuit in FIG. 3, FIG. FIG. 6 is a circuit diagram of the disturbance detection circuit of the same embodiment, and FIG. 7 is an output characteristic diagram of the Hall element. 1... Pantograph, 2... Switch, 3... Resistor, 4... Electric motor, 5... Shunt reactor, 6...
・Switch, 7... Field winding for electric motor, 8... Exciter, 9... Phase control rectifier (-10... DC transformer,
11... automatic frequency control circuit, 12...' field winding for exciter, 13... generator, 14... field winding for generator, 15... automatic voltage control circuit, 16... Output frequency detection circuit, 17... Random detection circuit, 18... Reference voltage setting circuit, 19... Amplifier, 20... Phase shifter, 21... Synchronous circuit, 22...・Pulse generator, 23
... Pulse amplifier, 24 ... Rectifier, 25 ... Smoothing circuit, 26 ... Differentiation circuit, 27 ... Rectifier, 28
...DC reactor, 29...Resistor, 3o...
Iron core, 31... Coil, 32... Hall element.

Claims

[Scope of utility model registration request]

In the motor generator disturbance prevention circuit which detects the differential value of the armature current of the motor and controls the field current of the motor based on a comparison signal between the amount of change and a reference value to prevent disturbance, the armature 1. A disturbance prevention circuit for a motor generator, characterized in that a current is detected by a Hall element, and the output voltage of the Hall element is differentiated by a differentiation circuit to obtain the differential value.