High-efficiency quad-mode parallel PV power optimizer for DC microgridsSidorov, Vadim21st International Symposium "Topical problems in the field of electrical and power engineering. Doctoral school of energy and geotechnology. III" : Pärnu, Estonia, June 15-18, 20222022 / p. 59-60 : illhttps://www.ester.ee/record=b5504019*est