| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply system that is easy to handle in the same manner as a thermal power plant or the like as viewed from monitoring control of an entire power system.SOLUTION: A power supply system comprises: a second power conversion device 2B that converts charge power to power storage means 4 into DC power while converting discharge power of the power storage means 4 into AC power; a second current detection section 6B for detecting current output from the second power conversion device 2B; an electrical characteristics arithmetic section 13 for calculating an output current value Iof a virtual generator and an electrical output torque Te on the basis of a voltage value V, an angular frequency ω and a voltage set value Vof a connection point (point a) among a first power conversion device 2A, the second power conversion device 2B and an electric power system 1; a particle system arithmetic section 10 for calculating the angular frequency ω on the basis of an output target value Pof active power and the electrical output torque Te; and a second power conversion control section 14B for controlling the second power conversion device 2B in response to a difference between a value of the current output from the first power conversion device 2A and the output current value I. |
