Drive system

Details Drive system Drive system

2006-04-11

2006-04-11

Ip, Paul (Department: 2837)

Electricity: motive power systems

Induction motor systems

Primary circuit control

C318S712000, C318S719000, C318S254100, C123S192100, C307S064000, C701S019000

Reexamination Certificate

active

07026783

ABSTRACT:
A drive system includes a central power supply with a line-commutated converter and a DC/DC converter connected downstream of the line-commutated converter, and a plurality of inverters, each inverter having an output connected a load, for example a motor, and a DC input connected to a regulated DC voltage output of the central power supply. Buffer capacitors are connected across the respective input and output of the DC/DC converter. The drive system further includes an energy recovery device with an input connected to the controlled voltage output of the central power supply and an output connected to at least two input terminals of the line-commutated converter. This type of drive system eliminates a bulky brake circuit.

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