METHOD OF CALCULATING ELECTRIC POWER SYSTEM OPERATION TARGET VALUE FOR ELECTRIC POWER TRANSACTION

Japanese Patent JP2003348754

A

To obtain maximum passable electric power with system stability in power transaction and electric power system monitor control in electric power market, accompanied by deregulation of electric power.

If an accident in a transmission line of the object of electric power system monitor control is in a stable region A, effective power flow at the receiving end of the transmission line is increased, until immediately before it reaches an unstable region B, from the stable region A to monitor and maintain transmission in the stable region A. Even if the load changes suddenly in the stable region A and an accident occurs, since a generator can be kept in a balanced condition and if the accident is resolved, a generator will immediately start operation to minimize power failure time interval, economical operation and high reliability are assured with respect to power supply.

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SUZUKI TSUTOMU
TANITSU MASAHIRO
TAKEI AKIO

JP2002156866A

December 05, 2003

May 30, 2002

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HITACHI LTD

G06Q50/06; G06Q50/00; H02J3/00; H02J3/24; (IPC1-7): H02J3/00; G06F17/60; H02J3/24

JP2000261963A	2000-09-22
JP2001186660A	2001-07-06
JP2001339861A	2001-12-07
JPH10198648A	1998-07-31
JP2003111274A	2003-04-11

Katsuo Ogawa (2 outside)

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