Electricity: motor control systems – Open loop speed control system for dc motor with commutator – Analog armature control
Reexamination Certificate
2008-07-08
2008-07-08
Ip, Paul (Department: 2837)
Electricity: motor control systems
Open loop speed control system for dc motor with commutator
Analog armature control
C318S139000, C318S254100, C318S434000
Reexamination Certificate
active
11126590
ABSTRACT:
Certain exemplary embodiments can include a static DC electric drive system for mining equipment. The drive system can include: an active front end adapted to receive an AC voltage and output a substantially constant DC voltage; and a DC chopper coupled to the active front end, the DC chopper adapted to receive the substantially constant DC voltage and output a variable DC voltage.
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Ip Paul
Siemens Energy & Automation Inc.
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