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N. Rashidi rad, M. Hamzeh, K. Shosh yekani, S. Afjei, "A Simplified Equivalent Model for the Analysis of Low-Frequency Stability of Multi-Bus DC Microgrids" , IEEE Transactions on Smart Grid, Vol.1, pp.1-11, 2017
M. Mahhdavyfakhr, N. Rashidi rad, M. Hamzeh, K. Shosh yekani, S. Afjei, "Stability Improvement of DC Grids Involving a Large Number of Parallel Solar Power Optimizers An Active Damping Approach" , APPLIED ENERGY, Vol.203, pp.364-372, 2017