Download Advanced Control of AC / DC Power Networks: System of by Abdelkrim Benchaib PDF

By Abdelkrim Benchaib

ISBN-10: 1119135761

ISBN-13: 9781119135760

The strength engineering area is dealing with large demanding situations, with an expanding curiosity in intermittent renewable energies that are implementing significant technical barriers. working ever in the direction of their limits, the industry-standard AC energy grids are topic to instabilities.

This e-book provides an perception into DC grid structures, providing attention-grabbing matters to good managed strength grids, not like present AC platforms which offer the best and such a lot monetary connection technique for brief distances.

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Extra resources for Advanced Control of AC / DC Power Networks: System of Systems Approach Based on Spatio-temporal Scales

Example text

In computer models, the reactive power injection necessary to keep the AC system’s voltage in a given value can be calculated by an AC PF, where the converter is considered as a photo-voltaic (PV) node [KUN 94]. A sequential AC/DC PF has been proposed in [BEE 10a] and [BEE 10b]. 22], but this scenario is not considered in this work since no further Modeling Control of VSCs 13 models of the AC grid have been so far included; thus, the evolution of the grid voltage (Vsd) in response to the control q-axis current is unknown.

In other words, as long as the power delivered to the first prioritized system does not reach the limit, the second prioritized system will not receive any power from the source system (in this example, the wind farm). 7. Ratio control The DC voltage controlling stations share the generated power according to a certain ratio. Using this control strategy, the system operator could vary the power ratio between the participating terminals by changing the slope of the droop characteristic [VRA 12].

Published by ISTE Ltd and John Wiley & Sons, Inc. 2 Advanced Control of AC/DC Power Networks converter (FCC) that is capable to provide reactive power support and control the active PF, the reason why it is considered to outmatch its predecessor, the well-known current source converter (CSC) or linecommuted converter (LCC) [FLO 09]. Traditionally, when considering an HVDC link, only two converters are taken into account, connected through a DC cable. In this scenario, significant research has been carried out, such as [BAJ 08a] and [BON 06].

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