| 摘要 |
PROBLEM TO BE SOLVED: To provide a small size and low price freezing system controller which can control the capability of a compressor to realize energy saving. SOLUTION: A small size and low price inverter is provided to realize energy saving of the freezing system, by assuring the operation in the desired frequency, using a rectifying circuit 2 including, at the intermediate potential point, an induction motor 7 having the two-phase stator winding of a main winding and an auxiliary winding and an inverter 3, in which four switching element are connected by the bridge connection method. |
