AI Chat Paper
Discover the SciOpen Platform and Achieve Your Research Goals with Ease.
Search articles, authors, keywords, DOl and etc.
{{expandStatus?'Exit ':''}}Advanced Search
Droop-controlled voltage-source converters (VSCs) can provide frequency and voltage support to power grids. However, during a grid fault, VSCs may experience transient instability, which can be significantly affected by both the control parameters and fault conditions. This mechanism has not been fully elucidated in previous studies. In particular, grid-voltage faults are commonly accompanied by a grid voltage phase-angle jump (VPAJ), which is typically ignored in the evaluation of the transient stability of VSCs. To address this issue, this study comprehensively assesses the impact of the VPAJ and key control parameters on the transient characteristics of VSCs. Furthermore, the critical clearing angle and critical clearing time are quantitatively calculated to define the transient stability boundary. In addition, a transient stability-enhancement control method that considers the transient stability constraints is proposed. Finally, simulations and experimental tests are conducted to validate both the theoretical analysis and proposed method.
F Blaabjerg, Y Yang, D Yang, et al. Distributed power generation systems and protection. Proceedings of the IEEE, 2017, 105(7): 1311-1331.
Q Zhong. Power-electronics-enabled autonomous power systems: Architecture and technical routes. IEEE Transactions on Industrial Electronics, 2017, 64(7): 5907-5918.
Q Ma, L Chen, L Li, et al. Effect of grid-following VSC on terminal frequency. IEEE Transactions on Power Systems, 2023, 38(2): 1775-1778.
Q Hu, L Fu, F Ma, et al. Analogized synchronous-generator model of PLL-based VSC and transient synchronizing stability of converter dominated power system. IEEE Transactions on Sustainable Energy, 2021, 12(2): 1174-1185.
D Zhu, Z Wang, J Hu, et al. Rethinking fault ride-through control of DFIG-based wind turbines from new perspective of rotor-port impedance characteristics. IEEE Transactions on Sustainable Energy, 2024, 15(3): 2050-2062.
S Zarei, H Mokhtari, M Ghasemi, et al. Reinforcing fault ride through capability of grid forming voltage source converters using an enhanced voltage control scheme. IEEE Transactions on Power Delivery, 2018, 34(5): 1827-1842.
M Taul, X Wang, P Davari, et al. An overview of assessment methods for synchronization stability of grid-connected converters under severe symmetrical grid faults. IEEE Transactions on Power Electronics, 2019, 34(10): 9655-9670.
M Cespedes, J Sun. Impedance modeling and analysis of gridconnected voltage-source converters. IEEE Transactions on Power Electronics, 2014, 29(3): 1254-1261.
L Xiong, X Liu, Y Liu, et al. Modeling and stability issues of voltage-source converter dominated power systems: A review. CSEE Journal of Power and Energy Systems, 2022, 8(6): 1530-1549.
B H Lin, J T Tsai, K L Lian. A non-invasive method for estimating circuit and control parameters of voltage source converters. IEEE Transactions on Circuits and Systems, 2019, 66(12): 4911-4921.
W Zhou, R Torres-Olguin, F Göthner, et al. A robust circuit and controller parameters’ identification method of grid-connected voltage-source converters using vector fitting algorithm. IEEE Journal of Emerging and Selected Topics in Power Electronics, 2022, 10(3): 2748-2763.
R Heydari, M Gheisarnejad, M H Khooban, et al. Robust and fast voltage-source-converter (VSC) control for naval shipboard microgrids. IEEE Transactions on Power Electronics, 2019, 34(9): 8299-8303.
M Ahmed, R Bhattarai, S J Hossain, et al. Coordinated voltage control strategy for voltage regulators and voltage source converters integrated distribution system. IEEE Transactions on Industry Applications, 2019, 55(4): 4235-4246.
F Zhao, Z Shuai, C Shuai, et al. Comparison of transient angle stability between virtual synchronous generator and droop-controlled inverter. 2020 IEEE Applied Power Electronics Conference and Exposition (APEC), March 15-19, 2020, New Orleans, LA, USA. IEEE, 2020: 2308-2312.
P Ge, C Tu, F Xiao, et al. Design-oriented analysis and transient stability enhancement control for a virtual synchronous generator. IEEE Transactions on Industrial Electronics, 2023, 70(3): 2675-2684.
L Huang, H Xin, Z Wang, et al. Transient stability analysis and control design of droop-controlled voltage source converters considering current limitation. IEEE Transactions on Smart Grid, 2019, 10(1): 578-591.
H Wu, X Wang. A mode-adaptive power-angle control method for transient stability enhancement of virtual synchronous generators. IEEE Journal of Emerging and Selected Topics in Power Electronics, 2020, 8(2): 1034-1049.
M G Taul, X Wang, P Davari, et al. Robust fault ride through of converter-based generation during severe faults with phase jumps. IEEE Transactions on Industry Applications, 2019, 56(1): 570-583.
D Pan, X Wang, F Liu, et al. Transient stability of voltage-source converters with grid-forming control: A design-oriented study. IEEE Journal of Emerging and Selected Topics in Power Electronics, 2020, 8(2): 1019-1033.
X Xiong, C Wu, B Hu, et al. Transient damping method for improving the synchronization stability of virtual synchronous generators. IEEE Transactions on Power Electronics, 2020, 36(7): 7820-7831.
P Kundur. Power system stability and control. New York: McGraw-Hill, 1994.
京公网安备11010802044758号