Performance analysis of VSG controlled PCS in Island mode
Performance analysis of VSG controlled PCS in Island mode
- Author(s): H. Zhai 1 ; F. Yang 1 ; Y. Xu 1 ; J. Liu 1 ; L. Huang 1 ; T. Liu 1 ; X. Hao 1
- DOI: 10.1049/icp.2020.0410
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- Author(s): H. Zhai 1 ; F. Yang 1 ; Y. Xu 1 ; J. Liu 1 ; L. Huang 1 ; T. Liu 1 ; X. Hao 1
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View affiliations
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Affiliations:
1:
TBEA Xi'an Electric Technology Co., Ltd. , Xi'an , China
Source:
The 16th IET International Conference on AC and DC Power Transmission (ACDC 2020),
2021
p.
1042 – 1045
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Affiliations:
1:
TBEA Xi'an Electric Technology Co., Ltd. , Xi'an , China
- Conference: The 16th IET International Conference on AC and DC Power Transmission (ACDC 2020)
- DOI: 10.1049/icp.2020.0410
- ISBN: 978-1-83953-330-3
- Location: Online Conference
- Conference date: 02-03 July 2020
- Format: PDF
Power conversion system (PCS) can generally run in grid-connected and island mode. When the utility grid failure occurs, PCS based on virtual synchronous generator (VSG) control strategy can naturally and smoothly transform to island mode, which ensure the power supply reliability of local loads. VSG can provide convenience for the multi-PCS parallel connection. In this paper, the small-signal modelling is used to analyse the transient and steady-state performance of the island operation of VSG controlled PCS, in which the operation with constant impedance loads are focused. The work of this paper has guiding significance for parameter design and island test of PCS. Simulations based on PSCAD / EMTDC have proved the validity of the analysis.
Inspec keywords: power grids; distributed power generation; synchronous generators; power system CAD; power distribution faults; power system simulation; power generation control; machine control; power generation reliability; transient analysis
Subjects: Synchronous machines; Distributed power generation; Reliability; Power engineering computing; Distribution networks; Control of electric power systems