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pro vyhledávání: '"G.K. Dubey"'
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Akademický článek
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Publikováno v:
IEEE Transactions on Power Electronics. 17:999-1009
A mixed-mode input current sensorless predictive current control at constant but two different switching frequencies for a single-phase boost type switch-mode rectifier (SMR) with single switch topology is proposed. The SMR operates in continuous inp
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 Delivery. 15:652-658
A high power low distortion static VAr compensator was proposed by the authors in 1997. The harmonics are eliminated by incorporating a low power IGBT based controlled current auxiliary converter in conjunction with a high power GTO based converter.
Publikováno v:
International Journal of Electronics. 86:1233-1247
A novel high power self-commutated static var compensator for load compensation is proposed. The harmonics are eliminated by combining low frequency high power devices and high frequency low power devices. A modified control strategy is also proposed
Publikováno v:
IEEE Transactions on Power Electronics. 14:381-392
A novel control method for a reactive volt-ampere compensator and harmonic suppressor system is proposed. It operates without sensing the reactive volt-ampere demand and nonlinearities present in the load. The compensation process is instantaneous, w
Autor:
G.K. Dubey, M.S. Dawande
Publikováno v:
IEEE Transactions on Industrial Electronics. 46:61-66
An active current waveshaping/control technique with continuous conduction of input current and suitable for single-phase switch-mode rectifiers (SMRs) is proposed. The nature of input current is similar to that of bang-bang hysteresis current contro
Autor:
G.K. Dubey, L Frederick
Publikováno v:
Sadhana. 22:855-869
The paper presents a brief review of modernac motor traction drives, powered from 25 kV power frequencyac supply. Drives employing voltage source inverters, current source inverters, and induction and synchronous motors have been discussed.
Autor:
G.K. Dubey, V.R. Kanetkar
Publikováno v:
IEEE Transactions on Power Electronics. 12:269-277
A consolidation of existing as well as new configurations of voltage source power converters (VSCs) using gate turn-offs (GTOs) or a combination of GTOs and thyristors is considered. These VSCs are single-phase AC-DC current-controlled boost-type pow