CONTROL APPARATUS FOR DC INTERLOCK SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a control apparatus for a DC interlock system capable of compensating for a power variation amount of another AC system while suppressing a power variation amount of one AC system interlocked by the DC interlock system.

SOLUTION: A first power variation amount arithmetic operating section 18 converts a frequency variation amount ΔF1 obtained from a first frequency f1 detected by a first frequency detector 16 of a first AC system 11 and a first reference frequency fr1 into a first power variation amount ΔP1. A second power variation amount arithmetic operating section 22 converts a second frequency variation amount ΔF2 obtained from a second frequency f2 detected by a second frequency detector 20 of a second AC system 12 and a second reference frequency fr2 into a second power variation amount ΔP2. A power variation compensation control section 19 compensates for a power variation so as to offset the power variation amount in an increasing state from an AC system in an increasing state to an AC system in a decreasing state when any one of the first power variation amount ΔP1 and the second power variation amount ΔP2 is in the increasing state and the other is in the decreasing state.

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