Zobrazeno 1 - 10
of 78
pro vyhledávání: '"S.R. Doradla"'
Publikováno v:
Electric Power Systems Research. 77:946-955
A quasi-resonant inverter-fed induction motor operated under direct torque control (DTC) scheme is modeled and analyzed with SABER simulator. The dc link voltage is clamped to source voltage. All the devices in the resonant link and inverter except a
Publikováno v:
Electric Machines & Power Systems. 28:885-892
In this paper, comparative study of two schemes of four-quadrant GTO converter-fed DC motor drive is carried out. The schemes considered are (i) a PWM GTO dual converter and (ii) a single PWM GTO converter with a static reversing switch. Both of them
Publikováno v:
IEEE Transactions on Power Electronics. 12:64-71
A simplified parallel resonant DC link (PRDCL) inverter topology with reduced peak voltage is presented. A novel current prediction scheme which facilitates interfacing the resonant link topology to an AC motor is proposed. Various simulation wavefor
Autor:
G.S.N. Raju, S.R. Doradla
Publikováno v:
IEEE Transactions on Power Electronics. 10:164-174
A three element resonant converter capable of driving a voltage type load with load independent operation is analyzed using a state-space approach. Pulse width modulation is employed to control and regulate the output voltage. Closed-form solutions a
Publikováno v:
IEEE Transactions on Power Electronics. 8:62-68
A four-quadrant gate turn-off (GTO) power converter employing a single six-GTO bridge and four thyristors as reversing switches is described. Such a four-quadrant converter is economical compared to a dual-converter employing two bridges, each with s
Publikováno v:
IEEE Transactions on Industry Applications. 27:370-379
A comparative study of equal, triangular, stepped, sinusoidal, and inverted sinusoidal pulse-width modulation (PWM) schemes on the source and load performances of a three-phase AC-DC gate turn-off (GTO) thyristor converter-fed DC motor is presented.
Autor:
S.R. Doradla, B.K. Bhujabal
Publikováno v:
1998 International Conference on Power Electronic Drives and Energy Systems for Industrial Growth, 1998. Proceedings..
Three single-phase wye-connected three level voltage source inverter is used for compensating reactive and harmonic power instantaneously for a three-phase system. A controlled rectifier load is considered to create harmonics and phase displacement f
Publikováno v:
4th IEEE International Conference on Power Electronics and Drive Systems. IEEE PEDS 2001 - Indonesia. Proceedings (Cat. No.01TH8594).
A simple, modified, DC rail soft-switched quasi-resonant circuit is proposed for a 400 Hz voltage source inverter for aero-space application. The proposed soft-switched topology consists of two switches, a resonant inductor and two different capacito
Publikováno v:
TENCON '91. Region 10 International Conference on EC3-Energy, Computer, Communication and Control Systems.
The steady-state analysis of series resonant converters is presented using a frequency domain model. Generalized expressions for the resonant current and the capacitor voltage are derived. The possibility of multiple continuous conduction mode (MCM)
Publikováno v:
Eighteenth Annual IEEE Applied Power Electronics Conference and Exposition, 2003. APEC '03..
A novel quasi-resonant inverter is proposed for a high performance induction motor drive. With the exception of auxiliary switch in the resonant link, all other devices in the resonant link and inverter are operated under zero-voltage switching (ZVS)