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Power Electronics and Motor Drives
book

Power Electronics and Motor Drives

by Bogdan M. Wilamowski, J. David Irwin
October 2018
Intermediate to advanced content levelIntermediate to advanced
1015 pages
40h 24m
English
CRC Press
Content preview from Power Electronics and Motor Drives
Uninterruptible Power Supplies 18-11
On the other hand, the droop method has been studied extensively in parallel DC converters. In these
cases, resistive output impedance is enforced easily by subtracting a proportional term of the output
current from the voltage reference. e resistive droop method can be applied to parallel UPS inverters.
e advantages of such an approach are the following: (1) the overall system is more damped; (2) it provides
automatic harmonic current sharing; and (3) phase errors barely aect active power sharing.
However, although the output impedance of the inverter can be well established, the line impedance
is un
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Publisher Resources

ISBN: 9781439802861