Development of a dispatchable PV peak shaving system. Final report on PV:BONUS Phase 2 activities

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In July 1993, the Delmarva Power and Light Company (now Conectiv, Inc.) was awarded a contract for the development of a Dispatchable Photovoltaic Peak Shaving System under the US Department of Energy PV:BONUS Program. The rationale for the dispatchable PV peak shaving system is based on the coincidence between the solar resource and the electrical load in question. Where poor coincidence exists, a PV array by itself does little to offset peak demands. However, with the addition of a relatively small amount of energy storage, the energy from the PV array can be managed and the value of the PV … continued below

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[350] p.

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Ferguson, W.D. & Nigro, R.M. January 20, 1999.

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  • Ferguson, W.D. Conectiv, Inc., Wilmington, DE (United States)
  • Nigro, R.M. Applied Energy Group, Inc., Hauppauge, NY (United States)

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In July 1993, the Delmarva Power and Light Company (now Conectiv, Inc.) was awarded a contract for the development of a Dispatchable Photovoltaic Peak Shaving System under the US Department of Energy PV:BONUS Program. The rationale for the dispatchable PV peak shaving system is based on the coincidence between the solar resource and the electrical load in question. Where poor coincidence exists, a PV array by itself does little to offset peak demands. However, with the addition of a relatively small amount of energy storage, the energy from the PV array can be managed and the value of the PV system increases substantially. In Phase 2, Delmarva Power continued the refinement of the system deployed in Phase 1. Four additional dispatchable PV peak shaving systems were installed for extended testing and evaluation at sites in Delaware, Maryland, Wisconsin and North Carolina. A second type of system that can be used to provide back-up power as well as peak shaving was also developed in Phase 2. This PV-UPS system used a packaging approach nearly identical to the PV peak shaving system, although there were significant differences in the design of the power electronics and control systems. Conceptually, the PV-UPS system builds upon the idea of adding value to PV systems by increasing functionality. A prototype of the PV-UPS system was installed in Delaware for evaluation near the end of the contract period.

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[350] p.

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OSTI as DE99002152

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  • Other Information: PBD: 20 Jan 1999

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  • January 20, 1999

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  • July 25, 2015, 2:20 a.m.

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  • Nov. 13, 2015, 2:48 p.m.

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Ferguson, W.D. & Nigro, R.M. Development of a dispatchable PV peak shaving system. Final report on PV:BONUS Phase 2 activities, report, January 20, 1999; United States. (https://digital.library.unt.edu/ark:/67531/metadc682120/: accessed April 30, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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