JPS5918599U

JPS5918599U - Vehicle control method

Info

Publication number: JPS5918599U
Application number: JP11452282U
Authority: JP
Inventors: 中本　紀明; 秀夫小尾; 加我　敦
Original assignee: 三菱電機株式会社
Priority date: 1982-07-26
Filing date: 1982-07-26
Publication date: 1984-02-04

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図は従来の可変電圧可変周波数による誘導電動機駆
動の主回路構成図、第２図は本考案の一実施例を示す主
回路構成図、第３図は本考案の他の一実施例を示す主回
路構成図である。１・・・直流電源、２・・・断流器、３・・・高速度し
ゃ断器、４・・・フィルタ回路、５・・・可変電圧可変
周波数インバータ、６・・・誘導電動機、７・・・制動
抵抗、８・・・スイッチ。なお、図中、同一符号は同−
又は相当部分を示す。Fig. 1 is a main circuit block diagram of a conventional induction motor drive using variable voltage and variable frequency, Fig. 2 is a main circuit block diagram showing one embodiment of the present invention, and Fig. 3 is a main circuit block diagram showing another embodiment of the present invention. FIG. 2 is a main circuit configuration diagram shown in FIG. DESCRIPTION OF SYMBOLS 1... DC power supply, 2... Current breaker, 3... High speed breaker, 4... Filter circuit, 5... Variable voltage variable frequency inverter, 6... Induction motor, 7... ...braking resistance, 8...switch. In addition, in the figures, the same reference numerals are the same.
or a corresponding portion.

Claims

[Scope of utility model registration request]

(1) A high-speed breaker is provided from the DC power source through a current breaker, and the high-speed breaker is connected to a variable voltage variable frequency inverter through an inverted input filter circuit consisting of a reactor and a capacitor to drive an induction motor for a vehicle. In the vehicle control method for controlling the brake pedal, the oscillation frequency of the variable voltage variable frequency inverter becomes greater than one-sixth of the natural frequency of the filter circuit, and the braking resistor in series with the accelerator is increased by the inverse filter circuit. A vehicle control method characterized by short circuits.

(2) A braking resistor and a normally open switch connected in parallel to each other are connected in series with the filter circuit accelerator, so that the oscillation frequency of the variable voltage variable frequency inverter is greater than one-sixth of the natural frequency of the filter circuit. The vehicle control system according to claim 1, characterized in that the switch is closed.

(3) By connecting a braking resistor in parallel with the high-speed breaker and making the oscillation frequency of the variable voltage variable frequency inverter larger than one-sixth of the natural frequency of the filter circuit, the high-speed breaker A vehicle control system according to claim 1 of the utility model registration claim, characterized in that: