Abstract
In order to evaluate the feasibility of the motor-generator pair (MGP) in practical applications and compare it with direct grid-connected method, this paper takes photovoltaic system as an example, and first constructed the evaluation criteria for the system from three attributers: technicality, stability and economy. Then, the weights of different indicators are calculated using the AHP-entropy method, and finally the comprehensive scores of the two schemes of direct grid-connection and MGP grid-connection are obtained by using fuzzy comprehensive evaluation method. The comprehensive evaluation results show that although the MGP scheme is inferior to direct grid-connected scheme in terms of economy, it is superior to the direct grid-connected scheme in terms of technical and stability aspects, and the advantages of the MGP scheme in terms of technology and stability make it superior to direct grid-connection in comprehensive evaluation results.
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This work was funded by Independent Research Project of State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, China (LAPS202202).
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Zhang, X., Huang, Y., Wang, Z., Zhong, W., Li, C. (2024). Comprehensive Evaluation of Photovoltaic Grid-Connected System Based on a Novel Grid-Connection Technology. In: Cai, C., Qu, X., Mai, R., Zhang, P., Chai, W., Wu, S. (eds) The Proceedings of 2023 International Conference on Wireless Power Transfer (ICWPT2023). ICWPT 2023. Lecture Notes in Electrical Engineering, vol 1161. Springer, Singapore. https://doi.org/10.1007/978-981-97-0869-7_58
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DOI: https://doi.org/10.1007/978-981-97-0869-7_58
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