A Half-Bridge Voltage Balancer with New Controller for Bipolar DC Distribution Systems

Byung-Moon Han
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Byung-Moon Han: Department of Electrical Engineering, Myong-ji University, Gyeonggi-do, 116 Myongji-ro, Yongin-si 449-728, Korea

Energies, 2016, vol. 9, issue 3, 1-17

Abstract: This paper proposes a half-bridge voltage balancer with a new controller for bipolar DC distribution systems. The proposed control scheme consists of two cascaded Proportional Integral (PI) controls rather than one PI control for balancing the pole voltage. In order to confirm the excellence of voltage balancing performance, a typical bipolar DC distribution system including a half-bridge voltage balancer with proposed controller was analyzed by computer simulations. Experiments with a scaled prototype were also carried out to confirm the simulation results. The half-bridge voltage balancer with proposed controller shows better performance than the half-bridge voltage balancer with one PI control for balancing the pole voltage.

Keywords: bipolar DC distribution system; grid-tied converter; half-bridge voltage balancer; Proportional and Integral (PI) control; photovoltaic (PV) generator; battery energy storage (BES); super-cap energy storage (SCES) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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