| 摘要 |
PURPOSE:To discriminate fluctuating load currents from other load currents and measure the fluctuating load currents in a load fluctuation single operation preventive device. CONSTITUTION:A device generating load fluctuation is supplied with power from two systems, and current transformers CT1, CT2 are mounted on each system. Each system is connected to the different points A, B of a system linking dispersed power supplies with a commercial power system. Current values flowing through the CTs of each system are measured, thus measuring fluctuating load currents fed from the dispersed power supplies and fluctuating load currents supplied from the commercial power system. |
