초록 ▼

It is an object of the present invention to provide an uninterruptible duplexed power supply system that is highly reliable and has excellent durability, with which a more compact size and higher efficiency are both achieved, and with which a malfunction of the power supply circuit can be repaired i

It is an object of the present invention to provide an uninterruptible duplexed power supply system that is highly reliable and has excellent durability, with which a more compact size and higher efficiency are both achieved, and with which a malfunction of the power supply circuit can be repaired in a live state. The present invention is characterized in that there are provided a first unit 4 and a second unit 6 having their own power supplies 1, a main component 10 to which the outputs of the first unit 4 and second unit 6 are inputted is equipped with a secondary DC output circuit 8 and a battery-side converter circuit 13, the first unit 4 and the second unit 6 can be attached to and detached from the main component 10 in a live state.

대표청구항 ▼

1. An uninterruptible duplexed power supply system, comprising:a first unit that uses a first power supply as its input source and that houses a first primary circuit equipped with a switching element on the output side; and a second unit that uses the first power supply or a second power supply tha

1. An uninterruptible duplexed power supply system, comprising:a first unit that uses a first power supply as its input source and that houses a first primary circuit equipped with a switching element on the output side; and a second unit that uses the first power supply or a second power supply that is different from the first power supply and that houses a second primary circuit equipped with a switching element on the output side; wherein a main component to which the outputs of the first unit and second unit are inputted comprises: a primary winding of a high-frequency transformer to which the first unit and the second unit are connected via a connection component; a secondary DC output circuit that is connected to a secondary winding of the high-frequency transformer and supplies electrical power to a load; a PWM control circuit for keeping the output from this secondary DC output circuit at a constant voltage; and a battery-side converter circuit that is connected via a tertiary winding of the high-frequency transformer, is equipped with a switching element on the output side, and is used for charging a rechargeable battery for backup in the event of a power outage; wherein the first unit and the second unit are removably installed in a live state between a connected state in which they are electrically connected to the two primary windings of the high-frequency transformer and a disconnected state in which this connected state has been released; and wherein the output signals from the PWM control circuit are controlled and inputted to the gate circuits of the various switching elements of the first unit, second unit, and battery-side converter circuit.