An integral-droop based dynamic power sharing control for hybrid energy storage system in DC microgrid

Lin, P, Wang, P, Xu, Q, Xiao, J, Ullah, I and Hoong, C 2017, 'An integral-droop based dynamic power sharing control for hybrid energy storage system in DC microgrid', in Proceedings of the2017 IEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC 2017-ECCE Asia), Kaohsiung, Taiwan, 3-7 June 2017, pp. 338-343.


Document type: Conference Paper
Collection: Conference Papers

Title An integral-droop based dynamic power sharing control for hybrid energy storage system in DC microgrid
Author(s) Lin, P
Wang, P
Xu, Q
Xiao, J
Ullah, I
Hoong, C
Year 2017
Conference name IFEEC 2017 - ECCE Asia
Conference location Kaohsiung, Taiwan
Conference dates 3-7 June 2017
Proceedings title Proceedings of the2017 IEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC 2017-ECCE Asia)
Publisher IEEE
Place of publication United States
Start page 338
End page 343
Total pages 6
Abstract Abstract-Power sharing performance is a critical issue of hybrid energy storage system (HESS) in autonomous DC microgrid (MG). In this paper, a novel integral droop (ID) is proposed to mimic dynamic characteristics of the capacitor by using energy storages (ESs) with quick response. The main advantage of the proposed controller is that dynamic power sharing among ESs is automatically realized in the decentralized level. For a given HESS, ESs with the proposed ID enables to compensate fast power change while ESs with conventional voltage-power (V-P) droop provide low frequency components of power demand. With coordinated control between ID and V-P droop, high/low pass filters (LPF/HPF) are intrinsically formulated in HESS in order to obtain reasonable dynamic power allocations among ESs. Matlab/Simulink model of HESS is established for the verification of ID controller, in which the impacts of different ID coefficients on transient performances of the system are analyzed in detail. Finally, the effectiveness of proposed ID is experimentally validated on a HIL (hardware in loop) HESS platform.
Subjects Electrical and Electronic Engineering not elsewhere classified
Industrial Electronics
Power and Energy Systems Engineering (excl. Renewable Power)
DOI - identifier 10.1109/IFEEC.2017.7992061
Copyright notice © 2017 IEEE
ISBN 9781509051571
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