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Photovoltaic Laboratory by Peter T. Parrish

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Chapter 4

The Site Survey

4.1 Introduction

This laboratory is designed to cover all of the important aspects of the site survey. It involves a thorough, detailed review of the site selected for installation of a photovoltaic system. There are five key pieces to the site survey:

  • Measure and document the roof sections (or ground areas) proposed for installation of PV modules and assess their physical condition.
  • Inspect attic spaces, documenting rafter/truss dimensions and spacing and any evidence of water damage.
  • Evaluate the best pathways for DC and AC electrical runs from the PV array to the string combiner or inverter and then to the service panel. Determine the placement of the inverter(s), monitor, and other balance of system components. ...

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