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Inertia emulation control strategy for VSC-HVDC transmission systems

Zhu, Jiebei and Booth, Campbell and Adam, Grain Philip and Roscoe, Andrew and Bright, C.G. (2013) Inertia emulation control strategy for VSC-HVDC transmission systems. IEEE Transactions on Power Systems, 28 (2). 1277 - 1287. ISSN 0885-8950

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Abstract

There is concern that the levels of inertia in power systems may decrease in the future, due to increased levels of energy being provided from renewable sources, which typically have little or no inertia. Voltage source converters (VSC) used in high voltage direct current (HVDC) transmission applications are often deliberately controlled in order to de-couple transients to prevent propagation of instability between interconnected systems. However, this can deny much needed support during transients that would otherwise be available from system inertia provided by rotating plant.