1. 1. Z. Liu, Electric Power and Energy in China. Beijing, China: China Electric Power Press, 2012.
   2.  Testing Rules for Fault Voltage Ride-through Capability of Wind Turbine Generators, China Standard GB/T 36995, 2018
   3.  L. Ran, D. Xiang, P. Tavner, and S. Yang, "Control of a doubly fed induction generator in a wind turbine during grid fault ride-through," in Proc. IEEE Power Eng. Soc. Gen. Meeting, Jun. 2006, p. 1,
   4.  Z. Xie, X. Zhang, X. Zhang, S. Yang, and L. Wang, "Improved ride-through control of DFIG during grid voltage swell," IEEE Trans. Ind. Electron. vol. 62, no. 6, pp. 3584–3594, Jun. 2015,
   5. S. Hu, X. Lin, Y. Kang, and X. Zou, "An improved lowvoltage ride through control strategy of doubly fed induction generator during grid faults," IEEE Trans. Power Electron., vol. 26, no.
   6. R. Zhu, Z. Chen, X. Wu, and F. Deng, "Virtual damping flux-based LVRT control for DFIG-based wind turbine," IEEE Trans. Energy Convers., vol. 30, no. 2, pp. 714– 725, Jun. 2015,
   7. C. Abbey and G. Joos, "Supercapacitor energy storage for wind energy applications," IEEE Trans. Ind Appl., vol. 43, no. 3, pp. 769–776, 2007,
   8. A. M. A. Haidar, K. M. Muttaqi, and M. T. Hagh, "A coordinated control approach for DC link and rotor crowbars to improve fault ride-through of DFIG-based wind turbine," IEEE Trans. Ind Appl., vol. 53, no. 4, pp. 4073–4086, Jul. 2017
   9. Y. Xiangwu, G. Venkataramanan, W. Yang, D. Qing, and Z. Bo, "Grid fault tolerant operation of a DFIG wind turbine generator using a passive resistance network," IEEE Trans. Energy Convers., vol. 26, no. 10, pp. 2896– 2905, Oct. 2011
   10. H.-P. Beck and R. Hesse, "Virtual synchronous machine," in 9th International Conference on Electrical Power Quality and Utilization (EPQU), IEEE, 2007, pp. 1–6.
   11. L. Holdsworth, J. B. Ekanayake, and N. Jenkins, "Power system frequency response from fixed speed and doubly fed induction generator based wind turbines" Wind Energy, vol. 7, no. 1, pp. 21–35, Jan. 2004.
   12. Q. C. Zhong and G. Weiss, "Synchronverters: Inverters that mimic synchronous generators," IEEE Transactions on Industrial Electronics, vol. 58, no. 4, pp. 1259–1267, Apr. 2011.
   13.  A. Dheeraj and A. Sikander, "Fuzzy Logic Based Control of Voltage and Transient Stability in a DC Microgrid," 2021 2nd International Conference for Emerging Technology (INCET), 2021, pp. 1-6.
   14.  S. Wei, Y. Zhou, G. Xu, and Y. Huang, "Motor-generator pair: A novel solution to provide inertia and damping for power system with high penetration of renewable energy," IET Generat. Transmiss. Distrib., vol. 11, no. 7, pp. 1839– 1847, 2017.
   15. S. Wei, Y. Zhou, S. Li, and Y. Huang, "A possible configuration with motor-generator pair for renewable energy integration," CSEE J. Power Energy Syst., vol. 3, no. 1, pp. 93–100, 2017.
   16. Y. Zhou, G. Xu and Y. Huang, "Experiment Analysis on Motor-Generator Pair System for Providing Inertia of Renewable Energy," 2018 21st International Conference on Electrical Machines and Systems (ICEMS), 2018, pp. 1041-1045
   17.  Y. Gu, Y. Huang, Q. Wu, C. Li, H. Zhao and Y. Zhan, "Isolation and Protection of the Motor-Generator Pair System for Fault Ride-Through of Renewable Energy Generation Systems," in IEEE Access, vol. 8, pp. 13251- 13258, 2020
   18. R. V. Jain, M. V. Aware and A. S. Junghare, "Tuning of Fractional Order PID controller using particle swarm optimization technique for DC motor speed control," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-4