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Title: Analysis of MTDC Inertia Emulation Impact on Connected AC Systems

Abstract

The frequency decoupling effect of the voltage source converter (VSC)-based high voltage dc (HVDC) transmission makes frequency support unavailable between two ac subsystems interconnected by the HVDC link. Recently, several algorithms have been proposed and demonstrated to improve the ac system stability by implementing inertia emulation (IE) functions in the HVDC VSC stations. However, the capability of the VSC-HVDC to achieve the IE control is not clear. According to the previous research, the IE control strategy has been studied without concerning the impact of the practical control process, which will introduce some time delay into the IE realization. In this paper, a detailed multi-terminal HVDC VSC control module, including the phase-locked loop (PLL) and low pass filter (LPF), is considered in order to analyze the multi-terminal HVDC network impact on the IE performance. The analysis indicates that the frequency performance of the ac network with IE integrated HVDC transmission can be nearly as good as that directly connected with the ac subsystem which involves a high penetration of conventional generation units, except for the short time delay introduced by the VSC control modules. The effectiveness of IE performance will be compromised if the response delay is significant. The simulation resultsmore » have verified the analysis.« less

Authors:
 [1];  [1];  [2];  [3]; ORCiD logo [3]
  1. The University of Tennessee, Knoxville
  2. University of Tennessee, Knoxville (UTK)
  3. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1546545
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Conference
Resource Relation:
Conference: IEEE Energy Conversion Congress and Exposition (ECCE 2018) - Portland, Oregon, United States of America - 9/23/2018 8:00:00 AM-9/27/2018 8:00:00 AM
Country of Publication:
United States
Language:
English

Citation Formats

Wang, Shuyao, Zhang, Shuoting, Ma, Yiwei, Wang, Fei, and Tolbert, Leon. Analysis of MTDC Inertia Emulation Impact on Connected AC Systems. United States: N. p., 2018. Web. doi:10.1109/ECCE.2018.8557977.
Wang, Shuyao, Zhang, Shuoting, Ma, Yiwei, Wang, Fei, & Tolbert, Leon. Analysis of MTDC Inertia Emulation Impact on Connected AC Systems. United States. doi:10.1109/ECCE.2018.8557977.
Wang, Shuyao, Zhang, Shuoting, Ma, Yiwei, Wang, Fei, and Tolbert, Leon. Sat . "Analysis of MTDC Inertia Emulation Impact on Connected AC Systems". United States. doi:10.1109/ECCE.2018.8557977. https://www.osti.gov/servlets/purl/1546545.
@article{osti_1546545,
title = {Analysis of MTDC Inertia Emulation Impact on Connected AC Systems},
author = {Wang, Shuyao and Zhang, Shuoting and Ma, Yiwei and Wang, Fei and Tolbert, Leon},
abstractNote = {The frequency decoupling effect of the voltage source converter (VSC)-based high voltage dc (HVDC) transmission makes frequency support unavailable between two ac subsystems interconnected by the HVDC link. Recently, several algorithms have been proposed and demonstrated to improve the ac system stability by implementing inertia emulation (IE) functions in the HVDC VSC stations. However, the capability of the VSC-HVDC to achieve the IE control is not clear. According to the previous research, the IE control strategy has been studied without concerning the impact of the practical control process, which will introduce some time delay into the IE realization. In this paper, a detailed multi-terminal HVDC VSC control module, including the phase-locked loop (PLL) and low pass filter (LPF), is considered in order to analyze the multi-terminal HVDC network impact on the IE performance. The analysis indicates that the frequency performance of the ac network with IE integrated HVDC transmission can be nearly as good as that directly connected with the ac subsystem which involves a high penetration of conventional generation units, except for the short time delay introduced by the VSC control modules. The effectiveness of IE performance will be compromised if the response delay is significant. The simulation results have verified the analysis.},
doi = {10.1109/ECCE.2018.8557977},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {9}
}

Conference:
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