NDLI: BoS cost savings and LCOE reduction for a 10 MW PV system with the 500 kW transformerless inverter

Content Provider	IEEE Xplore Digital Library
Author	Chia-Han Hung Gilmore, J. Ching-Ping Huang Pei-Gang Dai Wei Zhu
Copyright Year	2010
Description	Author affiliation: Shanghai Guangdian Electric Group (Pei-Gang Dai; Wei Zhu) \|\| Advanced Energy Industries, Inc (Chia-Han Hung; Gilmore, J.; Ching-Ping Huang)
Abstract	This paper presents the cost advantages that a high-performance, 500 kW, transformerless PV inverter can have for a solar PV system. Higher efficiency, smaller size, and lower installation costs impact balance-of -system (BoS) costs and reduce the levelized cost of energy (LCOE) compared with traditional, transformer-based PV inverters. These cost advantages should be considered as integrators and end-users in China and the U.S. select and install inverters in PV systems. This paper focuses on the effect of a more efficient PV inverter on BoS cost and LCOE, analyzing real PV grid-connected, transformerless inverter applications as well as unipolar and bipolar PV array configurations. Some standards and specifications for the PV inverters are introduced, such as CEC-weighted and EU efficiency. Using the Solar Advisory Model (SAM) and PVSYST software with PV module, inverter, and weather data, a simulation to calculate the LCOE and system performance rate of a bipolar PV array with a transformerless inverter is presented for a 10 MW PV system in Dunhuang, China.
Starting Page	924
Ending Page	928
File Size	918686
Page Count	5
File Format	PDF
ISBN	9781424456697
e-ISBN	9781424456703
DOI	10.1109/PEDG.2010.5545881
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Photovoltaic systems CEC Transformerless Inverter Cooling Bipolar PV array BoS Inverters Arrays Mathematical model Modeling LCOE
Content Type	Text
Resource Type	Article

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