Power Electronic Handbook P13
Power Electronic Handbook P13
... and M. Elbuluk, Energy-efficient C-dump converters for switched reluctance motors,
IEEE Trans. Power Electronics, 12(5), 912–921, 1997.
9. M. Ehsani, J. T. Bass, T. J. E. Miller, and R. L. Steigerwald, ... constant power region.
The conduction angle is increased by advancing the turn-on angle until the
θ
dwell
reaches its upper limit
at speed
ω
p
.
The medium speed range through which c...
Power Electronic Handbook P7
... Trans. Power Electron., PE-1,
21–31, January 1986.
3. D. W. Hart, Introduction to Power Electronics, Prentice-Hall, Englewood Cliffs, NJ, 1997, 194.
4. P. T. Krein, Elements of Power Electronics, ... arrangement [1]. However, most power electronics converters are circuits with controllable
voltage output. To achieve current control, the voltage of the power electronics converter can...
Power Electronic Handbook P9
... regenerate power, and high
power capability. DC drives and motors from a few horsepower to hundreds of horsepower could be
operated and controlled efficiently in all four quadrants when powered by ... Systems up to several horsepower
were successfully applied to DC motors using permanent magnet fields. The power dissipated by the
transistor when gated-on is minimal and the power while ga...
Power Electronic Handbook P8
... European Space Power Conf. (ESPC), Graz, August 1993, 173–178.
12. J. Fernando Silva and Sonia S. Paulo, Fixed frequency sliding mode modulator for current mode
PWM inverters, in Power Electronics ... used in other applications, not
discussed here, such as inverters [14, 18], power factor controllers [16], and AC power supplies [17].
References
1. V. I. Utkin, Sliding Modes and Their...
Power Electronic Handbook P11
... Williams, A comparison of vector control and direct torque
control of an induction machine, in Power Electronics Spec. Conf., 1, 421–426, 2000.
© 2002 by CRC Press LLC
the time-varying inductances ... T. A. Lipo, A new method for rotor time constant tuning in indirect field oriented
control, in Power Electronics Spec. Conf., 573–580, 1990.
14. D. M. Brod and D. W. Novotny, Current control...
Power Electronic Handbook P10
... Acarnley, A.G. Jack, and P.T. Jowett, Power circuits for small permanent-magnet brushless dc
drives, presented at Third International Conference on Power Electronics and Variable Speed Drives,
1988, ... Machines
(Brushless DC
Machines/Electronics)
10.1 Introduction
10.2 Machine Construction
Permanent Magnets • Stator Windings
10.3 Motor Characteristics
Mathematical Model
10.4...
Power Electronic Handbook P12
... 0=
v
s
v
q
2
v
d
2
+=
© 2002 by CRC Press LLC
The power into the machine is simply the sum of the power into each phase:
(12.8)
and the power output of the machine is
(12.9)
where
ω
rm
... converts its input commands into commands
for the power converter/modulator block and sometimes utilizes feedback of voltage or current. The
power converter block imposes the desired el...
Power Electronic Handbook P16
... orderly shutdown of loads.
Power Conditioning
A UPS provides continuous, regulated power to its load, under all conditions of the utility power line.
Unlike other types of power conditioning equipment, ... transformers and some do not.
Laura Steffek
Best Power
John Hecklesmiller
Best Power
Dave Layden
Best Power
Brian Young
Best Power
© 2002 by CRC Press LLC...
Power Electronic Handbook P15
... computer disk drives and the like. The power level for these drives usually range below
20 to 30 kW; however, drives with slightly lower control quality usually have power levels below 50 to
60 kW.
Servo ... magnet (PM)
DC motors, permanent magnet synchronous motors or, rarely, induction motors. For low -power appli-
cations stepping motors can be used, but this type of motor exhibits a...
Power Electronic Handbook P14
... consumes twice the power
of exciting the motor one phase on at a time. Exciting a three-phase motor with two phases on at a time
produces no additional torque but also consumes twice the power of exciting