JPS59176399U - automatic voltage regulator - Google Patents

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の自動電圧調整装置ＡＶＲを示すブロック
図、第２図〜第５図はいづれもこの考案の一実施例を説
明するためのもので、第２図は自動電圧調整装置ＡＶＲ
のブロック図、第３図は比例部に２乗特性を加えた第１
の増巾部の詳細接続図、第４図は２乗演算増巾器の入、
出力特性を示す特性図、第５図は第３図全体の人、出力
特性を示す特性図である。 図において１は発電機、２はその界磁コイル、４は交流
励磁機で、５はその界磁コイル、６．７及び８．９は計
器用変圧器及び誘導電圧調整器からなる電圧設定部、１
９は基準電圧設定用のゼナーダイオード、２１は偏差増
巾器、４２は第１の増巾部、４３は２乗演算増巾器、４
６は比例部用演算増巾器、４７は演算増巾器、４８及び
４９はそれぞれ比例部及び２乗増山部のゲイン調整抵抗
器である。なお、各図中同一符号は同一または相当部分
を示す。Fig. 1 is a block diagram showing a conventional automatic voltage regulator AVR, and Figs. 2 to 5 are for explaining an embodiment of this invention.
The block diagram of Fig. 3 is the first block diagram in which the square characteristic is added to the proportional part.
Detailed connection diagram of the amplifying section of
FIG. 5 is a characteristic diagram showing the output characteristics of the entire person shown in FIG. 3. In the figure, 1 is a generator, 2 is its field coil, 4 is an AC exciter, 5 is its field coil, 6.7 and 8.9 are a voltage setting unit consisting of an instrument transformer and an induction voltage regulator. ,1
9 is a zener diode for setting a reference voltage, 21 is a deviation amplifier, 42 is a first amplifier section, 43 is a square operation amplifier, 4
6 is an operational amplifier for the proportional section, 47 is an operational amplifier, and 48 and 49 are gain adjustment resistors for the proportional section and the square multiplication section, respectively. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）　　発電機の端子電圧に比例した電圧を検知し、
発電機電圧の設定を行なう電圧設定部と、この電圧設定
部の出力信号と基準電圧信号との偏差を増巾して出力す
る偏差増巾部及びこの偏差増巾部に、上記偏差に比例し
た値と偏差の２乗あるいは３乗に比例した値との和を出
力信号とする第１の増巾部を備え、この第１の増巾部の
出力信号により発電機の励磁系の制御を行ない発電機の
端子電圧を所定の値に調整するようにし−たことを特徴
とする自動電圧調整装置。(1) Detect the voltage proportional to the terminal voltage of the generator,
A voltage setting section that sets the generator voltage, a deviation amplification section that amplifies and outputs the deviation between the output signal of the voltage setting section and the reference voltage signal, and a deviation amplification section that amplifies and outputs the deviation between the output signal of the voltage setting section and the reference voltage signal. A first amplifying section that outputs the sum of the value and a value proportional to the square or cube of the deviation as an output signal, and the excitation system of the generator is controlled by the output signal of the first amplifying section. An automatic voltage regulator characterized in that the terminal voltage of a generator is adjusted to a predetermined value. （２）第１の増巾部として、偏差に比例した出力を出し
、その利得が調整可能な第２の増巾部と、偏差の２乗に
比例した出力を出す利得が調整可能な第３の増巾部及び
、これら第２と第３の増巾部の出力の和を出力信号とす
る第４の増巾部とて構成したことを特徴とする実用新案
登録請求の範囲第１項記載の自動電圧調整装置。(2) A second amplification section that outputs an output proportional to the deviation and whose gain is adjustable as the first amplification section, and a third amplification section whose gain is adjustable that outputs an output proportional to the square of the deviation. and a fourth amplification part whose output signal is the sum of the outputs of the second and third amplification parts. automatic voltage regulator.