JPS63695U

JPS63695U -

Info

Publication number: JPS63695U
Application number: JP9247386U
Authority: JP
Priority date: 1986-06-19
Filing date: 1986-06-19
Publication date: 1988-01-06

Description

[Brief explanation of the drawing]

第１図は本考案インダクシヨンモータの直流制
動回路の説明図、第２図はその電流波形図、第３
図、第４図は本考案の他の実施例説明図、第５図
は従来回路の説明図、第６図はその電流波形図で
ある。Ｗ_１，Ｗ_２，ＬＮ……コイル、Ｄ，Ｄ_１，Ｄ_２，Ｄ_３，Ｄ_４……ダイオード、Ｓ……制御整流素
子、Ｔ……点弧素子、Ｖ……可変抵抗器、Ｃ，Ｃ
_０，ＣＮ，ＣＳ……コンデンサ、Ｒ_１，ＲＳ……
抵抗、ｉ_１，ｉ_２……電流、ａ，ａ′，ｂ，ｂ′
……スイツチ端子、ＳＷ，ＳＷ_１，ＳＷ_２……ス
イツチ、ＡＣ……交流電源。 Figure 1 is an explanatory diagram of the DC braking circuit of the induction motor of the present invention, Figure 2 is its current waveform diagram, and Figure 3 is a diagram of the current waveform.
4 is an explanatory diagram of another embodiment of the present invention, FIG. 5 is an explanatory diagram of a conventional circuit, and FIG. 6 is a current waveform diagram thereof. W ₁ , W ₂ , LN...Coil, D, D ₁ , D ₂ , D ₃ , D ₄ ... diode, S ... control rectifier element, T ... ignition element, V ... variable resistor, C, C
₀ , CN, CS...Capacitor, _R1 , RS...
Resistance, i ₁ , i ₂ ... Current, a, a', b, b'
...Switch terminal, SW, _SW1 , _SW2 ...Switch, AC...Alternating current power supply.

Claims

[Claims for Utility Model Registration] (1) A DC braking circuit for an induction motor, characterized in that it is configured to flow a DC current rectified by a rectifier circuit through a series circuit of two coils of the induction motor. (2) The DC braking circuit for an induction motor according to claim 1, wherein the DC current is obtained by half-wave rectification of AC. (3) The DC braking circuit for an induction motor according to claim 1, wherein the DC current is obtained by full-wave rectification of AC. (4) The rectifying circuit includes a controlled rectifying element inserted on the alternating current side, an ignition element for igniting the controlled rectifying element, and a variable resistor and a capacitor for adjusting the phase of exciting the ignition element. A direct current braking circuit for an induction motor according to claim 3, which has a braking current control circuit having a current control circuit.