Good as Gold ReAppraising Strategic Allocations to Gold Since 1971, gold has provided an annualized real rate of return of percent over the US consumer price index (CPI).3 Historically, gold has seen its strongest price performance in years of high inflation such as in 1980, providing an average real return of percent and a median increase of percent in years in which CPI's ...
A Study of Neutral Point Potential and Common Mode Voltage Control in Multilevel SPWM Technique P. K. Chaturvedi, Shailendra Jain, and Pramod Agrawal, Member, IEEE Abstract— Conventional 2level PWM inverters generate high dv/dt and high frequency common mode voltages which is very
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Vector control of threephase AC/DC frontend converter 593 Figure 3. Phasor diagrams of an FEC under different operating modes(a)unitypf,(b)laggingpf, (c)leadingpfand(d)regeneration at unity pf. It is well known that the active power ﬂows from the leading voltage to the lagging voltage
Supporting information Structure and Photocatalytic Activity of Ti1xMxO2±±±± (M= W, V, Ce, Zr, Fe and Cu) Synthesized by Solution Combustion Method K. Nagaveni,a M. S. Hegdea and Giridhar Madras,* b aSolid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, India.