Low Voltage Soft Open Point with Energy Storage: System Simulation and Prototype Preliminary Test Results

2018 ◽  
Author(s):  
Francesco Attanasio ◽  
Sebastien Wasterlain ◽  
Thomas Pidancier ◽  
Mario Marchesoni ◽  
Patrick Favre-Perrod ◽  
...  
Keyword(s):  
Energy Storage ◽  
Low Voltage ◽  
System Simulation ◽  
Storage System ◽  
Preliminary Test ◽  
Energy Storage System ◽  
Test Results ◽  
Open Point

scholarly journals Using Energy Storage Inverters of Prosumer Installations for Voltage Control in Low-Voltage Distribution Networks

Energies ◽  
2021 ◽  
Vol 14 (4) ◽  
pp. 1121
Author(s):  
Rozmysław Mieński ◽  
Przemysław Urbanek ◽  
Irena Wasiak
Keyword(s):  
Energy Storage ◽  
Control Strategy ◽  
Reactive Power ◽  
Low Voltage ◽  
Storage System ◽  
Distribution Networks ◽  
Energy Storage System ◽  
Voltage Regulation ◽  
Active Power ◽  
Total Power

The paper includes the analysis of the operation of low-voltage prosumer installation consisting of receivers and electricity sources and equipped with a 3-phase energy storage system. The aim of the storage application is the management of active power within the installation to decrease the total power exchanged with the supplying network and thus reduce energy costs borne by the prosumer. A solution for the effective implementation of the storage system is presented. Apart from the active power management performed according to the prosumer’s needs, the storage inverter provides the ancillary service of voltage regulation in the network according to the requirements of the network operator. A control strategy involving algorithms for voltage regulation without prejudice to the prosumer’s interest is described in the paper. Reactive power is used first as a control signal and if the required voltage effect cannot be reached, then the active power in the controlled phase is additionally changed and the Energy Storage System (ESS) loading is redistributed in phases in such a way that the total active power set by the prosumer program remains unchanged. The efficiency of the control strategy was tested by means of a simulation model in the PSCAD/EMTDC program. The results of the simulations are presented.

Low Voltage Ride-through for Doubly Fed Induction Generator Using Battery-Storage System

2016 ◽  
Vol 7 (2) ◽  
pp. 481
Author(s):  
D.V.N. Ananth ◽  
G.V. Nagesh Kumar
Keyword(s):  
Energy Storage ◽  
Reactive Power ◽  
Low Voltage ◽  
Storage System ◽  
Energy Storage System ◽  
Control Technique ◽  
Voltage Profile ◽  
Battery Energy Storage System ◽  
Battery Energy Storage ◽  
Battery Energy

In this paper, enhanced field oriented control technique (EFOC) was adopted in Rotor Side Control (RSC) of DFIG converter for improved response during severe faults. The work is intended to damp pulsations in electromagnetic torque, improve voltage mitigation and limit surge currents and to enhance the operation of DFIG during voltage sags. The converter topology uses a battery energy storage system with capacitor storage system to further enhance operation of DFIG during faults. The battery and capacitor system in coordination provide additional real and reactive power support during faults and nearly constant voltage profile at stator and rotor terminals and limit overcurrents. For EFOC technique, rotor flux reference changes its value from synchronous speed to zero during fault for injecting current at the rotor slip frequency. In this process DC-Offset component of flux is controlled, decomposition during overvoltage faults. The offset decomposition of flux will be oscillatory in a conventional FOC, whereas in EFOC it will damp quickly. A comparison is made with proposed methodology with battery energy storage system and a conventional system. Later the system performance with under voltage of 50% the rated voltage with fault at PCC during 0.8 to 1.2 seconds is analysed using simulation studies.

scholarly journals Single Magnetic Element-Based High Step-Up Converter for Energy Storage and Photovoltaic System with Reduced Device Count

Complexity ◽  
2020 ◽  
Vol 2020 ◽  
pp. 1-19
Author(s):  
Muhammad Arif ◽  
Mohsin Shahzad ◽  
Qianmu Li ◽  
Jawad Saleem ◽  
Muhammad Shamrooz Aslam ◽  
...  
Keyword(s):  
Energy Efficiency ◽  
Energy Storage ◽  
Low Voltage ◽  
Storage System ◽  
Energy Storage System ◽  
High Energy ◽  
Power Converter ◽  
Photovoltaic System ◽  
Magnetic Element ◽  
Zero Current Switching

The multiport DC-DC power converter is a prominent area of research in power electronics due to its highly dense design, reduced device count, and high energy efficiency. In this paper, a nonisolated single magnetic element-based high step-up three-port converter for an energy storage system is presented. The proposed converter has two input ports and one output port. The coupled inductor with switched capacitor is used to achieve high voltage gain. The key features of the proposed converter are high conversion gain, low voltage stress, zero voltage switching (ZVS), and zero current switching (ZCS). The detailed theoretical analysis and operation of the converter are elaborated. The energy efficiency of the proposed converter is calculated and compared with the other counterparts. Ansys Maxwell is used for the coupled inductor finite element modeling. To verify the applicability and functionality of proposed converter, a 100  W converter with two inputs ( 48  V and 96  V ) and one output 360  V at 100  kHz is tested in the laboratory.

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