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The purpose of this paper is to present a multi-inverter control technique to achieve fast dynamics and current sharing. The system is designed for back-up power system applications, especially for base station, etc. The multi-inverter system consists of one master module and several slave modules. The master module is with voltage and current control. The voltage controller is with proportional and...
The purpose of this paper is to present a transient response of proposed quick response peak current control dc-dc converter. In the proposed method, the peak current is able to be detected in real time by using voltage controlled oscillator (VCO) which is very low cost and a high speed A-D converter. The proposed circuit generates the turn off signal of the main switch. In simulated results, the...
This paper presents a comparative evaluation of four different multi-loop control schemes for a high-bandwidth AC power source. The power source considered in this work is based on a three-level T-type inverter with a two-stage LC output filter. The control schemes evaluated in this paper have an output voltage controller in the outer loop. For the inner control loop the following options are evaluated:...
This paper describes a simple grid current control method for the grid-connected operation, and inverter voltage control method based on the phase locked loop (PLL) for the intentional islanding operation at the three-phase grid-connected inverter. The PLL controller based on the pq theory with a simple P-controller is used to synchronize the phase of inverter output voltage with a grid voltage at...
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