Power conversion system control method for hybrid ESS

Autor: Chung-Yuen Won, Hee-Jun Lee, Young-Sang Ko, Jong-Kuk Na, Kwang-Su Na
Rok vydání: 2014
Předmět:
Zdroj: 2014 IEEE Conference and Expo Transportation Electrification Asia-Pacific (ITEC Asia-Pacific).
DOI: 10.1109/itec-ap.2014.6941176
Popis: The paper is proposed total operation of a power conversion system for a Hybrid ESS. The system is formed with a photovoltaic energy system, ESS and system PCS to supply stable power. The conversion system utilized in the photovoltaic and ESS is formed with a parallel module in consideration of system characteristics. The paper describes the control method applied in the power conversion system and establishes the operation mode. Therefore, this paper proposes a total power conversion system for a Hybrid System. The system is formed with a PV, ESS and PCS to supply stable power. The conversion system utilized in the PV and ESS is formed with a parallel module in consideration of system characteristics. The paper describes the control method applied in the power conversion system and establishes the operation mode. It is formed with a 20kW level Hybrid ESS to validate the proposal. PROPOSED HYBRID ESS Fig. 1 is the total circuit diagram for the proposed Hybrid ESS. It is formed with an ESS and a Renewable Energy Souce and PV. The proposed system is formed with a 3 phase contact AC/DC PWM converter, PV boost converter, and a Bidirectional battery converter. The bidirectional AC/DC PWM Converter diverts the flow of energy through the charge mode and system subordinate connection mode. The PV charges the battery following insolation and supplies power during peak load. It is used with a 2 phase power conversion system to reduce current riffle. A 15(kWh) Lithium Polymer Battery is used in 2 phases to reduce system response and nominal volume of the device.
Databáze: OpenAIRE