Current situation and prospect of grid codes for a power system with integrated photovoltaic generationDuan, Shuyin; Zhang, Shuyan; Wen, Fushuan; Shania, Farhad; Palu, Ivo; Zou, Bo; Dai, Pan2020 International Conference on Smart Grids and Energy Systems (SGES): 23-26 Nov. 20202020 / p. 832-836 https://doi.org/10.1109/SGES51519.2020.00153 Impacts of various maintenance tasks on life-cycle costs of a power grid projectZhang, Shuyan; Duan, Shuyin; Wen, Fushuan; Shahnia, Farhad; Chen, Qingfang; Palu, Ivo2020 International Conference on Smart Grids and Energy Systems (SGES): 23-26 Nov. 20202020 / p. 888-892 https://doi.org/10.1109/SGES51519.2020.00163