Controlled Primary Frequency Support for Asynchronous AC Areas through an MTDC Grid

Sai Gopal Vennelaganti; Nilanjan Ray Chaudhuri

doi:10.1109/PESGM.2018.8586652

Controlled Primary Frequency Support for Asynchronous AC Areas through an MTDC Grid

Sai Gopal Vennelaganti, Nilanjan Ray Chaudhuri

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Scopus citations

Abstract

Provision of controlled primary frequency support to asynchronous AC areas through an MTDC grid using a minimal-communication scheme is proposed. Under nominal operating condition, only voltage droop is considered to allow the AC systems operate asynchronously as they are meant to. When an AC system needs support, the corresponding converter transmits basic information via a distress signal through the existing DC lines or through existing communication channels used for common DC voltage-droop control. For AC disturbances, the frequency droop is activated with values that are predesigned based on the proposed design procedure. For converter outage, power references are modified in such a way that the DC power redistribution does not or minimally affect the AC-side frequencies. Simulation studies showing the effectiveness of the proposed strategies are presented.

Original language	English (US)
Title of host publication	2018 IEEE Power and Energy Society General Meeting, PESGM 2018
Publisher	IEEE Computer Society
ISBN (Electronic)	9781538677032
DOIs	https://doi.org/10.1109/PESGM.2018.8586652
State	Published - Dec 21 2018
Event	2018 IEEE Power and Energy Society General Meeting, PESGM 2018 - Portland, United States Duration: Aug 5 2018 → Aug 10 2018

Publication series

Name	IEEE Power and Energy Society General Meeting
Volume	2018-August
ISSN (Print)	1944-9925
ISSN (Electronic)	1944-9933

Other

Other	2018 IEEE Power and Energy Society General Meeting, PESGM 2018
Country	United States
City	Portland
Period	8/5/18 → 8/10/18

All Science Journal Classification (ASJC) codes

Energy Engineering and Power Technology
Nuclear Energy and Engineering
Renewable Energy, Sustainability and the Environment
Electrical and Electronic Engineering

Access to Document

10.1109/PESGM.2018.8586652

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Vennelaganti, S. G., & Chaudhuri, N. R. (2018). Controlled Primary Frequency Support for Asynchronous AC Areas through an MTDC Grid. In 2018 IEEE Power and Energy Society General Meeting, PESGM 2018 [8586652] (IEEE Power and Energy Society General Meeting; Vol. 2018-August). IEEE Computer Society. https://doi.org/10.1109/PESGM.2018.8586652

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title = "Controlled Primary Frequency Support for Asynchronous AC Areas through an MTDC Grid",

abstract = "Provision of controlled primary frequency support to asynchronous AC areas through an MTDC grid using a minimal-communication scheme is proposed. Under nominal operating condition, only voltage droop is considered to allow the AC systems operate asynchronously as they are meant to. When an AC system needs support, the corresponding converter transmits basic information via a distress signal through the existing DC lines or through existing communication channels used for common DC voltage-droop control. For AC disturbances, the frequency droop is activated with values that are predesigned based on the proposed design procedure. For converter outage, power references are modified in such a way that the DC power redistribution does not or minimally affect the AC-side frequencies. Simulation studies showing the effectiveness of the proposed strategies are presented.",

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Vennelaganti, SG & Chaudhuri, NR 2018, Controlled Primary Frequency Support for Asynchronous AC Areas through an MTDC Grid. in 2018 IEEE Power and Energy Society General Meeting, PESGM 2018., 8586652, IEEE Power and Energy Society General Meeting, vol. 2018-August, IEEE Computer Society, 2018 IEEE Power and Energy Society General Meeting, PESGM 2018, Portland, United States, 8/5/18. https://doi.org/10.1109/PESGM.2018.8586652

Controlled Primary Frequency Support for Asynchronous AC Areas through an MTDC Grid. / Vennelaganti, Sai Gopal; Chaudhuri, Nilanjan Ray.

2018 IEEE Power and Energy Society General Meeting, PESGM 2018. IEEE Computer Society, 2018. 8586652 (IEEE Power and Energy Society General Meeting; Vol. 2018-August).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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N2 - Provision of controlled primary frequency support to asynchronous AC areas through an MTDC grid using a minimal-communication scheme is proposed. Under nominal operating condition, only voltage droop is considered to allow the AC systems operate asynchronously as they are meant to. When an AC system needs support, the corresponding converter transmits basic information via a distress signal through the existing DC lines or through existing communication channels used for common DC voltage-droop control. For AC disturbances, the frequency droop is activated with values that are predesigned based on the proposed design procedure. For converter outage, power references are modified in such a way that the DC power redistribution does not or minimally affect the AC-side frequencies. Simulation studies showing the effectiveness of the proposed strategies are presented.

AB - Provision of controlled primary frequency support to asynchronous AC areas through an MTDC grid using a minimal-communication scheme is proposed. Under nominal operating condition, only voltage droop is considered to allow the AC systems operate asynchronously as they are meant to. When an AC system needs support, the corresponding converter transmits basic information via a distress signal through the existing DC lines or through existing communication channels used for common DC voltage-droop control. For AC disturbances, the frequency droop is activated with values that are predesigned based on the proposed design procedure. For converter outage, power references are modified in such a way that the DC power redistribution does not or minimally affect the AC-side frequencies. Simulation studies showing the effectiveness of the proposed strategies are presented.

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