JPS58105790U

JPS58105790U - Thyristachiyotsupa

Info

Publication number: JPS58105790U
Application number: JP232682U
Authority: JP
Inventors: 本田　晴美
Original assignee: 三菱電機株式会社
Priority date: 1982-01-12
Filing date: 1982-01-12
Publication date: 1983-07-19

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 the drawing]

第１図は従来のサイリスタチョッパの概略接続図、第２
図は従来のサイリスタチョッパの動作を説明するための
波形図、第３図はこの考案によるサイリスタチョッパの
一実施例を示す概略接続図、第４図は逆導通サイリスタ
の等価回路図、第５図はこの考案によるサイリスタチョ
ッパの動作を説明するための図であり、図中、１は直流
電源、２は主サイリスタ、３は転流コイル、４は転流コ
ンデンサ５は補助ダイオード、８は平滑フィル、９は負
荷、１０は主逆導通サイリスタ、１０ａはサイリスタ、
１０ｂはダイオード、１１は補助逆導通サイリスタ、１
１ａはサイリスタ、１１ｂはダイオードである。なお図
中、同一あるいは相当部分には同一符号を付して示しで
ある。Figure 1 is a schematic connection diagram of a conventional thyristor chopper, Figure 2
The figure is a waveform diagram for explaining the operation of a conventional thyristor chopper, Figure 3 is a schematic connection diagram showing an embodiment of the thyristor chopper according to this invention, Figure 4 is an equivalent circuit diagram of a reverse conduction thyristor, and Figure 5 is a diagram for explaining the operation of the thyristor chopper according to this invention, in which 1 is a DC power supply, 2 is a main thyristor, 3 is a commutation coil, 4 is a commutation capacitor 5 is an auxiliary diode, and 8 is a smoothing filter. , 9 is the load, 10 is the main reverse conducting thyristor, 10a is the thyristor,
10b is a diode, 11 is an auxiliary reverse conducting thyristor, 1
1a is a thyristor, and 11b is a diode. In the drawings, the same or corresponding parts are designated by the same reference numerals.

Claims

[Scope of utility model registration request]

A main reverse conduction thyristor is connected between one end of the DC power supply and the commutation coil that constitute the thyristor chopper, and a commutation capacitor is connected in series with the other end of the upper bow commutation coil, and the other end of the DC power supply and the commutation coil are connected in series. A thyrisk chopper characterized in that an auxiliary reverse conduction thyristor is connected between the other ends of the capacitor.