METHOD OF STABILIZING SINGLY SEPARATED SYSTEM, AND SYSTEM FOR STABILIZING SAME

Japanese Patent JP3820386

B2

PROBLEM TO BE SOLVED: To provide a method of stabilizing a singly separated system and a system for stabilizing the singly separated system which can reduce the amount of shutdown of a generator required for maintenance of single system frequency or the amount of load shutdown.
SOLUTION: A system stabilizer 10 performs the control of a power source (the control of generators 9A, 9B, and 9C) or the control of load 8A, 8B, and 8C so as to dissolve the demand-supply unbalance between the amount of power supply and the quantity of load, by getting the magnitude of system line power flow taking account of the effect of the amount of load fall caused by the voltage change on occurrence of the separated system, determining the excess of the quantity of generated power and the excess of load from the magnitude of this system line power flow, and inducing the voltage of a load bus IB a little higher than the value before separation in case of excess of the quantity of generated power and a little lower in case of excess of load, thereby adjusting the apparent quantity of load.

Takashi Sasaki
Yasuyuki Owada
Kazuhito Kibi
Hiroyuki Hashimoto
Masamichi Kojima
Nobutoshi Saito
Koichi Yokoi
Yasuto Tabata

JP2002228278A

September 13, 2006

August 06, 2002

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Mitsubishi Electric Corporation
Chubu Electric Power Co., Inc.

H02J3/24; (IPC1-7): H02J3/24

JP2001359241A
JP11215710A
JP7108063B2
JP10108368A
JP2001309558A
JP8265979A
JP2055527A

Masuo Oiwa
Toshihide Kodama
Takenaka Ikuo
Keigo Murakami

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