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Presented by Gerry Imdieke.  We have as much solar energy as Florida or Houston Texas  4.6 hours per day  Panels produce more when cold.

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Presentation on theme: "Presented by Gerry Imdieke.  We have as much solar energy as Florida or Houston Texas  4.6 hours per day  Panels produce more when cold."— Presentation transcript:

1 Presented by Gerry Imdieke

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5  We have as much solar energy as Florida or Houston Texas  4.6 hours per day  Panels produce more when cold

6  Green is popular  We are seeing panels installed in area  Mn. Dept. of Labor and Industry ruled PV panels are electrical equipment that must follow same rules as other wiring.

7  Licensed electrician working for an electrical contractor  Homeowner wiring own residence  Some municipalities might have different rules  Must be wired to code & inspected

8  Battery systems – more cost and maintenance  Location critical  Snow can be issue

9  Stand alone- usually charge battery  Great for locations where hard to receive grid power  May have the best payback  Grid connected  Tied to grid can sell excess back to utility  Power not available during outage  Grid connected with battery backup  Have storage and power in outage

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12  Tracking – follows the sun  % more efficient  % increase in cost

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14  One credit 16 hour course  Offered as elective to electrical students  Installers  Homeowners  Two 8 hour modules  Module 1 – Wiring requirements  Module 2 – Installation, efficiency, payback, design  May be used for cont. ed. Workshops etc.  Installers homeoweners

15  This course covers the installation of photovoltaic (PV) solar panels & equipment. Topics include principals of operation, payback, safety issues, system sizing and placement, with the principal focus being wiring of the units so they are in compliance with the National Electrical Code.

16   Min. State Community & Technical College (M State)  Required Text:National Electrical Code 2008 Publisher NFPA   Tentative Course Schedule   Lecture 1:Introduction – principles of operation, basic theory, terminology  Lecture2:Types of Systems – grid connected – stand alone tax credits, rebates, payback   Lecture 3:License requirements – panel sizing NABCEP Certification   Lecture 4:Test   Lecture 5:Panel location, mounting systems, snow issues   Lecture 6:Additional sources of Information, safety concerns 

17  Lecture 7: Wiring systems   Lecture 8:Test   Lecture 9:NEC requirements, Article 690   Lecture 10:NEC requirements - disconnect – conductor sizing   Lecture 11:NEC requirements – over current protection   Lecture 12:NEC requirements – Temperature derating, conduit fill   Lecture 13:NEC requirements – disconnect placement & size   Lecture 14:Test   Lecture 15:Review   Lecture 16:Final

18  This course covers the principals of operation, safety issues, and wiring of photovoltaic (PV) solar panels so they are in compliance with the National Electrical Code. Panel, conductor, disconnect, and system sizing will be covered. Article 690 and other relevant articles of the National Electrical Code will be discussed.

19  Text: National Electrical Code 2008 edition  Competencies:  Describe safety issues  Describe principals of operation  Calculate conductor size and type  Calculate overcurrent protection  Describe specifications and placement of panels & disconnects  Size panels, inverters, and batteries  Describe grounding requirements

20  This course is an introduction to the different types of photovoltaic (PV) solar panel systems. Topics includes advantages and disadvantages of specific systems, payback, safety issues, installation requirements and principals of operation.

21  Text: handouts  Competencies:  Describe principals of operation  Recognize advantages and disadvantages of different systems  Calculate payback  Describe factors affecting panel placement  Recognize safety concerns  Describe battery types

22  Southwest Technology Development Institute   Solar Energy Institute – Design & installation manuals  solarenergy.org  Tax credits, panel types-Dsire.org  Home Power Magazine 

23  Cost of electricity  Cost will be going up  Systems poor grid access may be good  Installation cost  Varies with type of system and placement  Amount of sun exposure  Rebates  Tax credits  Power Co. rebates  Great River Energy Coops  Minn. Power

24  8 to 10 dollar per watt installed complete  2KW system $16,000  May have up to $10,000 in rebates and tax credits  10 year payback at current rates Without credits 20+ years

25  This workforce solution was funded by a grant awarded under Workforce Innovation in Regional Economic Development (WIRED) as implemented by the U.S. Department of Labor's Employment and Training Administration. The solution was created by the grantee and does not necessarily reflect the official position of the U.S. Department of Labor. The Department of Labor makes no guarantees, warranties, or assurances of any kind, express or implied, with respect to such information, including any information on linked sites and including, but not limited to, accuracy of the information or its completeness, timeliness, usefulness, adequacy, continued availability, or ownership. This solution is copyrighted by the institution that created it. Internal use by an organization and/or personal use by an individual for non-commercial purposes is permissible. All other uses require the prior authorization of the copyright owner.


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