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The bus architecture, consisting of bus converter and POLs (point of load), has become very popular since POL can respond to some demands of multi power supply voltage, low driving voltage and series sequence/tracking of LSI with more flexibility than isolated DC-DC solution. However, the customer suffers the system instability issue caused by impedance overlap between the bus converter and POL. Bus...
This paper describes the optimal values of the capacitance and damping resistance of the power distribution cabinet to prevent oscillation and suppress voltage fluctuations during fuse blowing in a DC power supply system. It is useful and practical to add the capacitance and the damping resistance of the power distribution cabinet because it is easy to add them, and the system can maintain high efficiency...
This paper proposed a nonlinear model for single-phase rectifier. With this model, the interactions between the inverters and rectifiers are characterized, the mechanism of output voltage distortion is investigated, and it is possible to analyze the transient response, system stability and to implement the design optimization of the inverter system under rectifier loads. The validity of the proposed...
This paper presents an independent control for multiple parallel-connected uninterruptible power supplies (UPSs) system, in which it only requires current sensors. With the calculation of the active and reactive currents, the controllers provide suitable values of the phase angle and amplitude variation of the output voltage reference signal to meet the load demand. A consistent choice of the control...
The characterization of regulated converters is investigated in order to establish a set of dynamical parameters defining the interactions arising in the interconnected systems such as telecom distributed power supply (DPS) systems. The commercially available converters are usually vaguely specified in respect to those interactions. Provided information do not suffice for predicting the stability...
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