[PDF] Top 20 DC-Link Capacitor Current Ripple Reduction in DPWM based Back-to-back Converters

... Fig. 1 shows a typical circuit configuration of a back-to-back converter. The converter is composed of an input stage 3-phase AC power source, grid-side converter (VSC-1), motor-side converter (VSC-2), and ... See full document

... ac/dc converters called simply as “bridge-cells” or no isolated bidirectional dc/dc choppers called just as “chopper ...in dc- link voltage between a long-distance ... See full document

... two DC-link capacitors in series, which need the complex and difficult controlling system to stabilize DC-link ...capacity based on NSC compensation through using the Steinmetz ... See full document

... power converters, in which the active and reactive power are controlled ...a current regulation part and a cross-coupling ...(IGBT)- based pulse width-modulated (PWM) converter ... See full document

... the current level and output ripple ...the converters used in this ...a DC-link voltage ...FC based ANPC converter is used in this ... See full document

... electrolytic capacitor but in contrast Linlin Gu suggested use of film capacitor for getting better lifetime of power ...the ripple voltage of capacitor to get lesser capacitance which is ... See full document

... the dc-link capacitance value which in turn increases the cost of the ...obtained. Based on the values obtained we can give the pulses to the compensator, based on it the compensator will act ... See full document

... converter based on double- star chopper-cells (MMCC-DSCC) to a back-to-back (BTB) system for installation on power distribution ...and current. The DSCC-based BTB system is equipped ... See full document

... the capacitor causing low frequency capacitor current ...direct capacitor current control [1], active damping method [4], [5] and feedback linearization control [6], have been proposed ... See full document

... direct capacitor current control [5], active damping [6], feedback linearization control [7] and average voltage constraint control [8] have been reported to address this ...achievable current ... See full document

... a DC-DC boost converter is a voltage source, inductor, diode, capacitor, resistor and a switching device which can be any semiconductor device such as MOSFET, IGBT or thyristor as can be seen in ... See full document

... with dc fault reverse-blocking capability (Figure ...block current flow between the ac and dc sides during a dc fault, thus allowing dc-side capacitor discharge current, ... See full document

... The power factor of an AC electrical power system is defined as the ratio of the real power flowing to the load, to the apparent power in the circuit, and is a dimensionless number between -1 and 1. Real power is the ... See full document

... that reduction of dc-link voltage, filter inductance, current through the shunt capacitor and damping power loss are reduced with DSTATCOM with LCL filter followed by series ...shows ... See full document

... input current ripple is reduced using Half Bridge Converter with LCL ...The ripple and undesired harmonics can be reduced without adding a large input ...for Dc- Dc converters, ... See full document

... Abstract: Recent advancement in Electric Energy Storage technologies provides an opportunity of using energy storage systems to address the issues of Grid-integrated wind energy conversion systems. This paper proposes a ... See full document

... a DC-DC switching boost converter for current ripple ...periodically. Ripple exist during the switching process in the DC-DC converter where the change or switching from ... See full document

... under DC fault conditions ...VSC-based DC networks [7], particularly in high-power scenarios and with more than two ...VSC-based DC networks is constrained by the lack of operational ... See full document

... the dc-bus voltage control of rotor side converter with unity power factor by choosing two different dummy output ...the DC link voltage Vdc is equal to voltage reference Vdc_ref with q-axis ... See full document

... [4] Govindaraju. C and Dr.K.Baskaran, “Optimized Hybrid Phase Disposition PWM Control Method for Multilevel Inverter”, International Journal of Recent Trends in Engineering, vol 1, no. 3, pp. 129-134. May. 2009. [5] ... See full document