JPS62149285U

JPS62149285U -

Info

Publication number: JPS62149285U
Application number: JP3620686U
Authority: JP
Priority date: 1986-03-14
Filing date: 1986-03-14
Publication date: 1987-09-21

Description

[Brief explanation of the drawing]

図面は本考案の一実施例を示す電源装置の構成
である。１……インバータ、３……変圧器、４……コン
デンサ、６……変流器、８……ＰＷＭ制御回路、
９……電流制御回路、１１……正弦波発生回路、
１３……振幅基準回路、１４……変流器、１５…
…電流制限制御回路。 The drawing shows the configuration of a power supply device showing an embodiment of the present invention. 1... Inverter, 3... Transformer, 4... Capacitor, 6... Current transformer, 8... PWM control circuit,
9...Current control circuit, 11...Sine wave generation circuit,
13... Amplitude reference circuit, 14... Current transformer, 15...
...Current limit control circuit.

Claims

[Scope of utility model registration request]

A transformer or reactor connected to the output circuit of the voltage type inverter, a first current transformer that measures the alternating current of the output circuit of the inverter, and a capacitor connected to the output side of the transformer or reactor. , a second current transformer that detects the capacitor current flowing through the capacitor, a current limit control circuit connected to the first current transformer, and a sine wave connected to an amplitude reference circuit that controls the capacitor current. A constant-voltage constant-frequency wave generator comprising a generator circuit, a current comparator circuit that compares the output of the sine wave generator circuit and the capacitor current, and a PWM control circuit that controls the pulse width of the inverter based on the output of the current comparator circuit. power supply.