scholarly journals Battery energy storage capacity optimisation for grid-connected microgrids with distributed generators

2017 ◽  
Author(s):  
Rasoul Garmabdari ◽  
Mojtaba Moghimi ◽  
Fuwen Yang ◽  
Evan Gray ◽  
Junwei Lu
Keyword(s):  
Energy Storage ◽  
Storage Capacity ◽  
Battery Energy Storage ◽  
Distributed Generators ◽  
Energy Storage Capacity ◽  
Battery Energy

A Study of Distributed Photovoltaic Energy Storage Configuration Capacity

2015 ◽  
Vol 733 ◽  
pp. 215-218
Author(s):  
Ming Kai Yu ◽  
Chong Yuan ◽  
Jing Xu
Keyword(s):  
Energy Storage ◽  
Future Development ◽  
Storage Capacity ◽  
Battery Energy Storage ◽  
Photovoltaic Energy ◽  
Advantages And Disadvantages ◽  
Energy Storage Capacity ◽  
Storage Methods ◽  
Battery Energy ◽  
Research Situation

In order to solve the problem of storage capacity configuration in distributed photovoltaic energy, firstly a brief introduction of the storage methods in distributed PV (photovoltaic) energy is given out. Then it mainly discusses the configuration mode of distributed photovoltaic battery energy storage capacity within a variety of methods and principles of the research situation. And their advantages and disadvantages are analyzed in detail. Finally, the energy storage capacity configuration problems to be solved in the future development and its application should be made to focus on the aspect shortly.

MULTI UNITS OF SINGLE PHASE DISTRIBUTED GENERATION COMBINED WITH BATTERY ENERGY STORAGE FOR PHASE POWER BALANCING IN DISTRIBUTION NETWORK

2016 ◽  
Vol 78 (10-4) ◽  
Author(s):  
Amirullah Amirullah ◽  
Mochamad Ashari ◽  
Ontoseno Penangsan ◽  
Adi Soeprijanto
Keyword(s):  
Energy Storage ◽  
Single Phase ◽  
Low Voltage ◽  
Distribution Network ◽  
Battery Energy Storage ◽  
Current Harmonics ◽  
Line Current ◽  
Distributed Generators ◽  
Distribution Line ◽  
Battery Energy

Randomly installed distributed generators (DGs) in households may cause unbalanced line current in a distribution network. This research presents a battery energy system for balancing of line current in a distribution network involving multi units of single phase photovoltaic (PV) distributed generators (DGs). In this paper, the PV generators were simulated consisting of a buck-boost DC/DC converter and single phase DC/AC inverter. It was connected to the distribution line through the low voltage 220 volt 50 Hz. The proposed phase balancing system uses battery energy storage and three single phase bidirectional inverters. The inverter is capable of injecting current or absorbing power from the line to the battery. This inverter operation is arranged to balance each distribution line separately, as well as to improve other power quality parameters, such as voltage and current harmonics. Simulation results show that the system was capable of improving the unbalanced line current from 15.59 % to 11, 48 % and unbalanced line voltage from 1.76 % to 0.58 %. The system was able for increasing current harmonics from 0.98 % to 1.03% and voltage harmonics from 38.96% to 39.08%.

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