JPH0196751U

JPH0196751U -

Info

Publication number: JPH0196751U
Application number: JP19419187U
Authority: JP
Priority date: 1987-12-21
Filing date: 1987-12-21
Publication date: 1989-06-27

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例の構成を示すブロ
ツク図、第２図は第１図の要部の具体構成を示す
ブロツク図、第３図は従来例の構成を示すブロツ
ク図、第４図は第３図の要部の具体構成を示すブ
ロツク図、第５図は第３図の各部の波形図である
。１……系統側電源、２……整流回路、３……電
解コンデンサ、４……インバータ、５……結合ト
ランス、７……負荷、８Ａ，８Ｂ……バイパスス
イツチ、９……故障検出回路。 Figure 1 is a block diagram showing the configuration of an embodiment of this invention, Figure 2 is a block diagram showing the specific configuration of the main parts of Figure 1, Figure 3 is a block diagram showing the configuration of a conventional example, and Figure 4 is a block diagram showing the configuration of a conventional example. This figure is a block diagram showing the specific structure of the main part of FIG. 3, and FIG. 5 is a waveform diagram of each part of FIG. 3. 1... Grid side power supply, 2... Rectifier circuit, 3... Electrolytic capacitor, 4... Inverter, 5... Coupling transformer, 7... Load, 8A, 8B... Bypass switch, 9... Failure detection circuit.

Claims

[Scope of Claim for Utility Model Registration] (1) Compensation device that is inserted in series with addition polarity in the power supply path from the grid side power source to the load and constantly generates a compensation voltage according to the voltage fluctuation part of the grid side power source. a power supply, a failure detection circuit that detects a failure of the compensation power supply, and a bypass switch that is connected in parallel to the compensation power supply and is normally in a cutoff state and conducts in response to a failure detection output of the failure detection circuit. Series compensation type voltage fluctuation compensator equipped with. (2) The compensation power source includes a rectifier circuit that rectifies the voltage of the grid-side power source to obtain a DC voltage, a capacitor for accumulating compensation power that is charged with the output of the rectifier circuit, and a capacitor that is supplied with power from the capacitor. an inverter that constantly generates a compensation voltage corresponding to the variation in voltage of the grid-side power supply; and a primary winding to which the compensation voltage output from the inverter is applied, and a secondary winding that is supplied with power from the grid-side power supply to the load. A series compensation type voltage fluctuation compensator according to claim (1) of the utility model registration claim, which comprises a coupling transformer inserted in series in a path.