| 摘要 |
A power system state estimation device (100) for estimating a state quantity of a power system, said power system state estimation device (100) being provided with a calculation means (110) for carrying out calculation pertaining to the power system, a system division unit (105) for dividing the power system into an observable partial system and an unobservable partial system using system information about the power system and a state quantity measurement value as input, a state estimation unit (106) for calculating an estimated state quantity value for the observable partial system using the system information and the state quantity measurement value as input, and a state range estimation unit (107) for calculating an estimated state quantity range for the unobservable partial system using the system information, the state quantity measurement value, and a state quantity constraint value as input. |
