초록 ▼

A battery-less uninterruptable sequel power supply that converts mechanical rotation generated by a local power source to electrical power in the event of commercial line power distortion or failure is provided. The uninterruptable sequel power supply uses a voltage and frequency-tolerant rectifier-

A battery-less uninterruptable sequel power supply that converts mechanical rotation generated by a local power source to electrical power in the event of commercial line power distortion or failure is provided. The uninterruptable sequel power supply uses a voltage and frequency-tolerant rectifier-inverter combination that converts the decaying output of a de-accelerating synchronous alternating current machine to a stable alternating current voltage for driving a critical load. In the arrangement of the invention, there is no need to maintain rotary velocity of the synchronous alternating current machine during the transitory period between fault detection and connection of a prime mover.

대표청구항 ▼

[ What is claimed is:] [1.] A supplemental power supply comprising:a synchronous alternating current machine connected to a moveable member, said synchronous alternating current machine being provided in a circuit that is connected to and running parallel with an alternating current line that extend

[ What is claimed is:] [1.] A supplemental power supply comprising:a synchronous alternating current machine connected to a moveable member, said synchronous alternating current machine being provided in a circuit that is connected to and running parallel with an alternating current line that extends, during a normal operating condition to a main power source, such that said synchronous alternating current machine:(1) regulates power supplied from said main power source to a terminal for connection of a critical load; and(2) maintains kinetic energy in said movable member,and wherein during a power interrupt condition said alternating current line is disconnected from said main power source and said synchronous alternating current machine serves to generate a decaying alternating current voltage from said kinetic energy;a rectifier for converting said decaying alternating current voltage to a direct current voltage; andan inverter for converting said direct current voltage to a stable alternating current voltage for supply to said terminal.