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Research and development of distributed PV/storage integration grid technology

Published:2015-06-10 author:KE Yong1，TAO Yi-bin2，LI Yang3，LIU Xue-hui4 Browse: 2747 Check PDF documents

Research and development of distributed PV/storage

integration grid technology

KE Yong1，TAO Yi-bin2，LI Yang3，LIU Xue-hui4

（1. Department of Electrical Engineering，Wuhu Profession And Technology College，Wuhu 241000，China；

2. China Electric Power Research Institute，Nanjing 210003，China；

3. Department of Electrical Engineering，Shanghai University of Electric Power，Shanghai 201300，China；

4. China's Space Base in Ocean-going Tracking，Jiangyin 214431，China）

Abstract：Aiming at the rapid development of distributed photovoltaic power generation，high- penetration PV on the grid to bring

security and stability issues，distributed photovoltaic and energy storage topology，operating principle，constant power control，voltage/

frequency control DC voltage control algorithms，the control system hardware and software design were comprehensivly studied. To meet

the PV/storage systems off- grid and grid operating mode requirements，the integration of PV/storage topology was used，and the

parameters of the system was detail calculated. A distributed 50 kW photovoltaic/storage integrated prototype was developed，a platform

for multiple types of storage was builded to test prototype grid charging and discharging，off-grid loading and grid and off-grid switching

and MPPT effectiveness function，to detail analysis the experimental test data，and to give the steady and transient state test waveforms.

The results indicate that PV/storage integration grid equipment is powerful，fast dynamic response and strong，which have good

promotional value.

Key words：integration；MPPT；dual DSP；dual-mode

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