A Space-Vector Model of a Static Leading VAR Secondary Controlled Induction Motor Drive

Suciu, Constantin; Kansara, M.; Holmes, P.G.

doi:10.1109/optim.1998.707960

Cited by 1 publication

(1 citation statement)

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“…The expressions for Torque(T m ), input (P) & output power (P m ), efficiency and power factor values are derived from [5], [11] & [12] and given below.…”

Section: Switched Capacitor In the Rotor Circuitmentioning

confidence: 99%

Performance Enhancement of Wound Rotor Induction Motor by VSI with Dynamic Capacitor Controlled Rotor Circuit

kumar¹,

Palaniswami²,

Priyadharsini³

2010

IJCA

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The paper proposes a novel method for improving performance of a Three Phase wound rotor induction motor using an indirect reactive current control scheme in the rotor. A 3 phase VSI with a dynamic capacitor is connected in the rotor circuit for controlling the reactive current in the rotor. The dynamic capacitor is an Hbridge switch with a capacitor in which the duty ratio of the Hbridge circuit is varied in order to change the capacitance value dynamically. The proposed technique is simulated in MATLAB 7.6 / Simulink environment. The result that obtained from the proposed method is compared with secondary impedance control scheme and the performance parameters such as the torque, power factor and efficiency are obtained. In addition to improving performances, as the proposed method uses only one capacitor in the rotor where as against three capacitors are used in the rotor impedance control scheme. The result has shown improved performance and cost effective by the proposed scheme.

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“…The expressions for Torque(T m ), input (P) & output power (P m ), efficiency and power factor values are derived from [5], [11] & [12] and given below.…”

Section: Switched Capacitor In the Rotor Circuitmentioning

confidence: 99%