Dc Drives
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Voltage Control
Steady-state operation
Flux Control
eg = kvω if
Td = kt if ia
Electrical Power = Pe = ea ia Mechanical Power = Pm = ω Td Pe = Pm ea ia = ω Td kvω if ia = ω kt if ia kv= kt
•Single-phase •Three-phasehalf-wave-converter half-wave-converterdrives. drives. •Single-phase •Three-phasesemiconverter semiconverterdrives. drives. •Single-phase •Three-phasefull-wave-converter full-wave-converterdrives. drives. •Single-phase •Three-phasedual-wave-converter dual-wave-converterdrives. drives.
Speed
Torque
Ref. Input
Speed
Power
Controller
Amplifier
Speed Transducer
Speed Controller:
P, PI, PID.
Power Amplifier:
Controlled Rectifier, DC Chopper.
Speed Transducer: Tachogenerator
Steady-state operation
Flux Control
eg = kvω if
Td = kt if ia
Electrical Power = Pe = ea ia Mechanical Power = Pm = ω Td Pe = Pm ea ia = ω Td kvω if ia = ω kt if ia kv= kt
•Single-phase •Three-phasehalf-wave-converter half-wave-converterdrives. drives. •Single-phase •Three-phasesemiconverter semiconverterdrives. drives. •Single-phase •Three-phasefull-wave-converter full-wave-converterdrives. drives. •Single-phase •Three-phasedual-wave-converter dual-wave-converterdrives. drives.
Speed
Torque
Ref. Input
Speed
Power
Controller
Amplifier
Speed Transducer
Speed Controller:
P, PI, PID.
Power Amplifier:
Controlled Rectifier, DC Chopper.
Speed Transducer: Tachogenerator
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