JPS5995744U

JPS5995744U - Automatic synchronization device

Info

Publication number: JPS5995744U
Application number: JP19174782U
Authority: JP
Inventors: 富男田中
Original assignee: 三菱電機株式会社
Priority date: 1982-12-15
Filing date: 1982-12-15
Publication date: 1984-06-29

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図は従来の自動同期投入装置の楠成を示すブロック
図、第２図は第１図の装置の各部における信号波形図、
第３図はこの発明の一実施例による自動同期投入装置の
構成を示すブロック図、第４図は第３図の装置の各部の
信号波形図である。１・・・母線、２・・・発電機、３・・・しゃ断器、４
，５・・・変圧器、７・・・三角波発生回路、８・・・
前進時間回路、９・・・増幅器、１０・・・出力リレー
、１１・・・自動同期投入装置、１２・・・バイアス回
路。なお、図中同一符号は同−又は相当部分を示す。Fig. 1 is a block diagram showing the structure of a conventional automatic synchronization device; Fig. 2 is a signal waveform diagram of each part of the device shown in Fig. 1;
FIG. 3 is a block diagram showing the configuration of an automatic synchronization device according to an embodiment of the present invention, and FIG. 4 is a signal waveform diagram of each part of the device shown in FIG. 1... Bus bar, 2... Generator, 3... Breaker, 4
, 5... Transformer, 7... Triangular wave generation circuit, 8...
Forward time circuit, 9...Amplifier, 10...Output relay, 11...Automatic synchronization device, 12...Bias circuit. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

a triangular wave generation circuit that generates a triangular wave signal proportional to the phase difference between the bus voltage and the generator output voltage; a forward time circuit that generates an output that is the sum of the proportional value and the differential value of the triangular wave signal; An output relay that operates according to the output of the time circuit and outputs a synchronization signal to the breaker, and a predetermined bias voltage applied to the forward time circuit, and while the level of the triangular wave is higher than the bias voltage, the forward An automatic synchronization device equipped with a bias circuit for outputting an output from a time circuit.