SYSTEM INTEGRATION DEVICE

To obtain a system integration device that enables the introduction of a parallel circuit breaker for a synchronous condenser with little fluctuation in a transient voltage and a transient current with respect to a power system.SOLUTION: A system integration device 20 according to the present invention that controls a synchronous condenser 1 via an exciter 5 and a parallel circuit breaker 4 includes a first arithmetic module 20a that predicts a voltage envelope up to the system synchronization from the rotation speed higher than the synchronous speed of the synchronous condenser 1 on the basis of the rotation speed-rebellion torque curve of the synchronous condenser 1 using the rotation speed and excitation current of the synchronous condenser 1 as input information and the excitation current of the synchronous condenser 1 as a parameter, and synchronous control of the synchronous condenser 1 and input control of the parallel circuit breaker are performed 4 by using the first arithmetic module 20a to correct the rotation speed of the synchronous condenser 1 by increasing or decreasing the voltage of the terminal of the synchronous condenser 1 or increasing or decreasing the exciting current.SELECTED DRAWING: Figure 1 【課題】電源系統に対する過渡電圧、過渡電流の変動が少ない状態での同期調相機の並列用遮断器投入を可能とする系統併入装置を得る。【解決手段】本開示の系統併入装置２０は、励磁装置５および並列用遮断器４を介して同期調相機１を制御する系統併入装置２０であって、同期調相機１の回転数および励磁電流を入力情報とし、同期調相機１の励磁電流をパラメータとした同期調相機１の回転数－反抗トルク曲線に基づき、同期調相機１の同期速度よりも高い回転数から系統同期までの間の電圧包絡線を予測する第１演算モジュール２０ａを備え、第１演算モジュール２０ａを用いて、同期調相機１の端子の電圧の増減あるいは励磁電流の増減によって同期調相機１の回転数を補正することにより、同期調相機１の同期制御および並列用遮断器４の投入制御を行う。【選択図】図１