NDLI: Filter-based PV power smoothing control for island hybrid energy systems with high PV penetration

Content Provider	IEEE Xplore Digital Library
Author	Sachs, J. Muller, B. Tom, K. Sawodny, O.
Copyright Year	2014
Description	Author affiliation: Res. & Technol.Center, Robert Bosch GmbH, Singapore, Singapore (Tom, K.) \|\| Dept. Inst. for Syst. Dynamics, Univ. of Stuttgart, Stuttgart, Germany (Sachs, J.; Muller, B.; Sawodny, O.)
Abstract	Hybrid energy system are a promising option considering low cost energy supply. The integration of renewable sources to diesel only systems allows for a reduction in diesel generator fuel consumption. However, significant issues with renewable power systems are their intermittency and unpredictability. This influence can be limited by an improved energy management strategy. State of the art strategies, which claim a low energy cost, are based on averaged photovoltaic (PV) data. Applying these methods to systems using real PV data results in an inefficient operation of the diesel generator and increased cost. In this paper, a new control strategy for the operation of diesel generators in systems with high (> 70%) PV penetration is proposed. This new operational strategy is based on a filter-based control, including a Kalman or Particle filter and a small storage to undertake the standby capacity of the diesel generator. Based on the filtered photovoltaic data, an optimal operating point for the diesel generator is identified. Simulation analysis using the load profile of a cargo complex shows that this method significantly improves the diesel generator operation by 50% reduction in cold starts compared to conventional hybrid energy management strategies. The proposed strategy also achieves up to 7% savings in cost of energy with high PV penetration.
Starting Page	872
Ending Page	877
File Size	1236946
Page Count	6
File Format	PDF
e-ISBN	9781479952830
DOI	10.1109/CoASE.2014.6899428
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-18
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical filters Computer aided software engineering Atmospheric measurements Particle measurements
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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