High-efficiency Oriented Control Method of Bidirectional CLLC Resonant DC/DC Converter for Energy Storage System

2020 ◽  
Author(s):  
Geng Li ◽  
Jingjing Huang ◽  
Wei Zhang ◽  
Xiangqian Tong ◽  
Jianfang Xiao ◽  
...  
Keyword(s):  
Energy Storage ◽  
High Efficiency ◽  
Control Method ◽  
Storage System ◽  
Energy Storage System

Control Strategy of Wind Photovoltaic and Energy Storage System Stability Running

2013 ◽  
Vol 336-338 ◽  
pp. 547-550
Author(s):  
Ji Hong Zhang ◽  
Zhen Kui Wu ◽  
Hua Li ◽  
Han Shan Li
Keyword(s):  
Energy Storage ◽  
Distributed Generation ◽  
Control Strategy ◽  
Control Method ◽  
Storage System ◽  
Energy Storage System ◽  
System Stability ◽  
Mathematics Model ◽  
Generation Efficiency ◽  
Micro Grid

Micro grid may exert adequately distributed generation efficiency, and that wind Photovoltaic and Energy Storage is a key equipment in the micro grid. Aiming at the distributed generation existing intermittence and randomicity characteristic, the paper discussed the micro grid P/Q control method under the connection grid state and the micro grid U/F control method under the disconnection grid state. It also studied the distributed generation parameters variational law under the micro grid different run mode, and built the correlative mathematics model and tested by simulation. The results show: the control strategy ensured the mice grid running stably, and achieved the system anticipative design request, and offered theory foundation for the distributed generation extend application.

scholarly journals A Study on the Voltage Control Method of Primary Feeder by the Energy Storage System and Step Voltage Regulator

2019 ◽  
Vol 52 (4) ◽  
pp. 431-436
Author(s):  
Byungki Kim ◽  
Kyung-Sang Ryu ◽  
Dae-Jin Kim ◽  
Yang-Hyun Nam ◽  
Heesang Ko ◽  
...  
Keyword(s):  
Energy Storage ◽  
Control Method ◽  
Storage System ◽  
Voltage Control ◽  
Energy Storage System ◽  
Voltage Regulator ◽  
Step Voltage

scholarly journals Thermodynamic Analysis of a Hybrid Trigenerative Compressed Air Energy Storage System with Solar Thermal Energy

Entropy ◽  
2020 ◽  
Vol 22 (7) ◽  
pp. 764
Author(s):  
Xiaotao Chen ◽  
Xiaodai Xue ◽  
Yang Si ◽  
Chengkui Liu ◽  
Laijun Chen ◽  
...  
Keyword(s):  
Energy Storage ◽  
Energy Demand ◽  
High Efficiency ◽  
Storage System ◽  
Energy Resource ◽  
Energy Storage System ◽  
Compressed Air ◽  
Critical Parameters ◽  
Compressed Air Energy Storage ◽  
Solar Thermal Energy

The comprehensive utilization technology of combined cooling, heating and power (CCHP) systems is the leading edge of renewable and sustainable energy research. In this paper, we propose a novel CCHP system based on a hybrid trigenerative compressed air energy storage system (HT-CAES), which can meet various forms of energy demand. A comprehensive thermodynamic model of the HT-CAES has been carried out, and a thermodynamic performance analysis with energy and exergy methods has been done. Furthermore, a sensitivity analysis and assessment capacity for CHP is investigated by the critical parameters effected on the performance of the HT-CAES. The results indicate that round-trip efficiency, electricity storage efficiency, and exergy efficiency can reach 73%, 53.6%, and 50.6%, respectively. Therefore, the system proposed in this paper has high efficiency and flexibility to jointly supply multiple energy to meet demands, so it has broad prospects in regions with abundant solar energy resource.

scholarly journals LCpL Filter Design and Control for Stability Improvement in a Stand-Alone Microgrid with Sub Inverter Structure

Energies ◽  
2019 ◽  
Vol 12 (12) ◽  
pp. 2318 ◽  
Author(s):  
Sang-Min Jung ◽  
Ki-Young Choi ◽  
Sang-Hyuk Jung ◽  
Rae-Young Kim
Keyword(s):  
Energy Storage ◽  
Time Delay ◽  
Control Method ◽  
Transition Period ◽  
Filter Design ◽  
Storage System ◽  
Energy Storage System ◽  
Protective Measure ◽  
And Control

The inverter of an energy storage system, which plays an important role in maintaining the voltage of a stand-alone microgrid, can shut down in response to external or internal abnormal conditions. Such a protective measure can cause the microgrid to blackout. A redundant inverter can be configured to respond upon failure of the main inverter to ensure higher stability of the stand-alone microgrid. However, the microgrid may experience several to tens of blackout cycles when the main inverter fails owing to a time delay in the operation of the sub inverter. To overcome this limitation, we propose an LCpL filter for suppressing any sudden changes in the microgrid during the transition period between the main and sub inverters. In addition, this study also describes a control method for the sub inverter to prevent system blackouts. A 100 kW microgrid system consisting of two 100 kW inverters with LCpL filters and loads was used to demonstrate the efficacy/utility of the proposed method.

Sign in / Sign up

Export Citation Format

Share Document