Quasi Resonant DC Link Inverter with a Simple Auxiliary Circuit
نویسندگان
چکیده
منابع مشابه
Quasi Resonant DC Link Inverter with a Simple Auxiliary Circuit
In this paper, a new soft switching three phase inverter with a quasi-resonant dc-link is presented. The proposed inverter has a dc-link switch and an auxiliary switch. The inverter switches are turned on and off under zero voltage switching condition and all auxiliary circuit switches and diodes are also soft switched. The control utilizes PWM and the auxiliary switch does not require an isola...
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PWM inverter systems have been used in many industrial processes in order to control voltage, frequency and harmonic. On the other hand, High Frequency Resonant DC Link Inverters have been proposed to reduce the switching losses of power devices. This paper reports a simulation developed to use PWM technique with the High Frequency Resonant DC Link Inverter in order to increase the operational ...
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Novel 3-level GTO inverter topology is presented. This new power circuit includes many advantages comparing with the conventional 3-level GTO inverter. The main advantages are snubberless and good device utilization by employing dual quasi-resonant dc-link which guarantees the complete zero voltage switching of the inverter GTO's. This 3-level GTO inverter can be operated with lower switching l...
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A soft-switched inverter is derived from the passively clamped quasi-resonant link circuit with three different clamps: coupled inductor, diode clamp and coupled inductor and capacitor. The proposed soft-switching inverter is formed from the traditional pulse-width modulated (PWM) inverter by simply augmenting with auxiliary resonant circuits, and the soft switching is achieved through applying...
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This paper presents the development of a resonant DC link inverter for an electric vehicle application. The resonant link frequency is approximately 70kHz and the inverter drives a low voltage 2.2kW AC induction motor. The IGBT inverter operates off a 240V DC supply and an active clamping circuit limits the resonant bus voltage to 500V. A synchronized PWM scheme is used to modulate the resonant...
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ژورنال
عنوان ژورنال: Journal of Power Electronics
سال: 2011
ISSN: 1598-2092
DOI: 10.6113/jpe.2011.11.1.010