Solar Energy International discusses the following topics: Are you are using the best temperature data to calculate maximum system voltage? Have you reviewed new requirements for labeling, marking and routing conductors? 2011 grounding and bonding requirements have been greatly simplified! Wondering about the DC arc-fault protection devices now required? Don't forget that PV source and output fuses now require disconnects within sight! SEI instructors Brian Mehalic and Rebekah Hren also discuss the following topics: The code-making process, looking to 2014, Articles 90.1(B) and 110.3, 690.4(B) Qualified persons 690.8(B)(1) and (2) Overcurrent devices and conductor ampacity 690.13 Exception 2 - Disconnecting means - all conductors 690.31(E) DC circuits inside a building - Type MC, distance from decking, marking 705.12(A) Size limits of parallel production sources
This training includes two lessons for a total of 8 contact training hours. Each lesson includes presentations, field videos, interactive exercises, and a quiz. Lesson 1: Site and Mechanical Hazards- Identify common site and mechanical hazards that workers are exposed to when installing ground-mounted PV arrays, describe ways to mitigate hazards, determine safe working practices and PPE requirements. Lesson 2: Electrical Hazards- Determine electrical hazards on large-scale PV job sites, identify shock and arc flash hazards and implement protective measures, define lockout/tagout methods and principles, examine installation, maintenance, and PV testing hazards.
Join SEI curriculum developer and instructor Brian Mehalic for an in-depth look at this topic in eight parts: What does a diode do? Modeling PV - the basic equivalent circuit âBuildingâ PV modules I-V curve mismatch Bypass diodes in operation Bypass diode operation in PV modules and circuits Failures and issues Case studies
Join SEI's Will White - who's been living off-grid since 2007 - for an in-depth look at off-grid system considerations in three parts: Components used in an off-grid system. Design parameters of an off-grid system. How to size individual components for an off-grid system and the maintenance required.
Students who complete the CE514 course will be able to: Identify codes applicable to PV systems and the requirements they address Describe requirements for protecting a structure List wind and fire resistance requirements Detail firefighter access/egress and setback requirements Define requirements relevant to BIPV and solar shingles Identify labeling requirements
Rooftops represent the most available, sustainable and secure real estate, which is why low-slope and steep-slope roofs are increasingly being used as platforms for photovoltaic systems. Low-slope roofs (commonly used for commercial buildings) and steep-slope roofs (commonly used for single-family residences) have separate challenges when integrating PV systems. Information from the roofing industry and roofing manufacturer requirements will be provided as well as numerous photographs. INSTRUCTOR BIO: James R. Kirby, AIA, is Vice President of Sustainability for the Center for Environmental Innovation in Roofing, Washington, DC. Kirby has expertise in roof system design and construction, weatherproofing and energy-efficiency of the building envelope, and rooftop PV systems. His responsibilities include serving as liaison for the Center's PV taskforce, representing the roofing industry at sustainability-focused events, and presenting sustainability-based technical information to roofing and other construction trades within the US and internationally. Kirby holds a bachelor's degree in architectural studies and a master's degree in architecture (structures option) from University of Illinois at Urbana-Champaign. He recently received his Graduate Certificate in Sustainable Design and Construction from Boston Architectural College, and he also is an accredited Green Roofing Professional. Before joining The Center in 2012, he worked for National Roofing Contractors Association, most recently as Associate Executive Director of Technical Communications. Prior to his 16 years at NRCA, he worked for Wiss, Janney, Elstner Associates Inc., Northbrook, Ill., an architectural and engineering consulting firm. He is a licensed architect in Illinois and a professional member of several industry organizations, including ASTM International, American Institute of Architects, Green Roofs for Healthy Cities, International Code Council and U.S. Green Building Council Chicago Chapter. Kirby is a frequent presenter and contributing author to the roofing, energy-efficiency and solar industries. He has given numerous presentations, educational seminars and webinars to industry-related associations and construction-affiliated groups. Kirby also is an annual guest lecturer at the Illinois Institute of Technology in Chicago.
This advanced training features troubleshooting and repair of the components in solar thermal systems, including solar space heating systems. The target audience is installers and technicians that understand installation techniques and would like to increase their comprehension of drainback and antifreeze system service procedures. A section of the class includes newer differential controls, thermistors and RTD sensors, aquastats, relays, multiple differentials and space heating components. Troubleshooting and repair related to pumps, collectors, tanks, valves and safety devices are also part of the class. This course is presented by Chuck Marken, Solar Thermal Expert and longtime SEI Instructor.
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Have you read your warranty? Do you know the difference between a workpersonship and performance warranty? If you don't spend your free time reading warranty legalese, then join us for this short course where we'll look at common warranty terms and exceptions. We'll dive into details specific to PV modules, inverters, installation, and battery warranties. Some warranties have unusual terms or requirements that vary from the manufactures marketing literature. We'll review examples of several of these situations and other common but not well-known warranty clauses that may influence your equipment choices.
You may know that a solar cell loses voltage with heat, but we explain WHY (and it's not resistance). You learn about why some colors of light are absorbed by a cell and others aren't. You learn about why the STC conditions always include 'Air Mass 1.5' and why that's important. You learn that there are actually TWO currents of electrons inside a cell, flowing in opposite directions. And we finish up by explaining why shaded modules get that weird 'dolphin nose' shape and why bypass diodes are your friends. After taking this course, when asked how a solar cell works, you'll be able to go way beyond 'It's magic' - although it is pretty magical.