An interactionless duo control strategy for bipolar voltage-source converter in renewables integrated multiterminal HVdc grids

AS Kumar, BP Padhy - IEEE Transactions on Industry …, 2022 - ieeexplore.ieee.org
The dc voltage and frequency or modified dc voltage and frequency double droop control is
commended for its ability to regulate both the dc voltage and the frequency in a
decentralized approach. However, a convincing response is not achieved due to an
interaction between the droop characteristics of dc voltage and frequency. This interaction
affects the dc voltage and frequency support of the ac-system-surrounded multiterminal
HVdc (AC-MTdc) grid. To overcome this effect, a Duo control strategy is proposed in this …

An interaction less duo control strategy for bi-polar voltage source converter in renewables integrated multi-terminal HVDC (MTDC) grids

SK Ancha - Authorea Preprints, 2023 - techrxiv.org
The PVF or PV2F double droop control is commended for its ability to regulate both the dc
voltage and frequency in a decentralized approach. However, a convincing response is not
achieved due to an interaction between the droop characteristics of dc voltage and
frequency. This interaction affects the dc voltage and frequency support of the AC system
surrounded Multi-Terminal HVDC (AC-MTDC) grid. To overcome this effect, a Duo control
strategy is proposed in this paper, which takes advantage of a Bi-polar Voltage Source …
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