By Sean White
Whether or no longer you take the NABCEP access point examination, studying the cloth lined during this booklet is the simplest funding you may make in the direction of your home within the sun industry.
This publication explains the technological know-how of photovoltaics (PV) in a manner that almost all humans can comprehend utilizing the curriculum which displays the middle modules of the NABCEP access point Exam.
Providing whole insurance of the NABCEP syllabus in simply available chapters, addressing the entire middle ambitions that would reduction in passing the PV access point examination together with the 10 major ability sets:
- PV Markets and purposes
- Safety fundamentals
- Electricity fundamentals
- Solar strength basics
- PV Module basics
- System parts
- PV method Sizing rules
- PV procedure electric layout
- PV procedure Mechanical layout
- Performance research, upkeep and Troubleshooting
You will research the significance of and the way to survey a domain, the best way to use the instruments that ensure shading and annual construction, and the significance of defense on website. With technical math and equations which are compatible and comprehensible to these with out engineering levels, yet are worthy in realizing the rules of sunlight PV.
This research consultant is written by Sean White an IREC qualified sunlight PV grasp coach, Electrician, Professor and Installer. Sean has ready hundreds of thousands of scholars to take the NABCEP sun PV access point Exam.
Read Online or Download Solar photovoltaic basics : a study guide for the NABCEP entry level exam PDF
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Additional info for Solar photovoltaic basics : a study guide for the NABCEP entry level exam
We talk about watts when we often speak of a 250W solar module. When we talk about the twenty 250W modules on our rooftop, we will call that 20 × 250W = 5000W 5000W/1000 watts per kW = 5kW When we talk about bigger commercial PV systems, we can talk of 4000 250W modules 4000 modules × 250 watts per module = 1,000,000 watts 1,000,000 watts/1,000,000 watts per MW = 1MW When converting, you are going to either multiply or divide by the conversion factor. It should be obvious if you multiplied instead of divided or vice versa.
5 degrees, this is what gives us seasons. 5 degrees above the sun on winter solstice. At equinox, the sun will be right over the equator. Equinox is Latin for equal nights. At equinox when the sun is right over the equator, the sun will rise at 6am solar time and set at 6pm solar time everywhere in the world (except the north and south poles). Equinox is the only time of the year when the sun rises due east and sets due west. In the northern hemisphere, the sun will rise and set to the north of east and west in the summer and rise and set to the south of due east and west in the winter.
The adjustable dial has been rotated counter clockwise towards the geographic North Pole (the axis of the Earth). In the solar industry, we are looking for the path of the sun, which has to do with the axis of the earth. We usually only have to correct for magnetic declination when using a magnetic compass. GPS, maps and many solar devices already correct for magnetic declination. Remember that the magnetic North Pole is over the middle of Canada. html. 6 shows how we correct for magnetic declination in different locations.