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Enphase M215, meet the 3rd generation of solar micro inverters

The solar micro inverter from Enphase Energy has come along way since their first generation M175 micro inverter released back in 2008. The Enphase M175 was considered the first commercially successful micro inverter followed by a successor, the Enphase M190 which was introduced in 2009. Since Enphase Energy began selling the M175 to date they have shipped more than 500,000 micro inverters making their product one of the most highly sought after solar inverter by customers. Say hello to the third generation of the solar micro inverter by Enphase Energy, pictured above the Enphase M215 will be released in early June 2011 and will be a game changer in solar inverter market by not only delivering better performance and simplified installation but is now backed by a 25 year limited warranty! One of the key improvements with the new Enphase M215 micro inverter is its innovative cabling system, which offers the benefits of a 12AWG trunk cable which bumps up the number of micro inverters that can be on a single branch circuit up to 17. The Enphase M190 can only support 15 micro inverters per branch circuit. The Enphase M215 is rated at 215 AC Watts which will allow the new inverter to be compatible with high power output 60 cell solar panels such as 250 watt and 260 watt rated solar panels. Mechanically, the Enphase M215 offers faster mounting through its single-bolt design, unlike its predecessors the Enphase M190 and M175 required two bolts to fasten each micro inverter to the rail. check out the video below, what do you think about the new Enphase M215 micro inverter by Enphase Energy? Will micro inverters phase out central string inverters and be the new standard in the solar industry? what do you...

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attaching solar panels to a metal roof

The electrical side of installing a solar electric system is a pretty straight forward process although when it comes to the mechanical aspect of attaching solar panels there can be a lot of variances based on the type of roof. One of our customers was involved with a new home construction project that had a standing seam metal roof. He called us and asked us to design and provide him with a complete solar electric system that would attach to the metal roof. The 4.1 kilowatt grid tie solar electric system consisted of 18 Canadian Solar CS6P 230 watt solar panels with an Enphase M190 Micro-inverter behind each solar panel converting the DC power generated by the solar panels into grid compliant AC power. Attaching the solar panels to the metal roof was easy by combining the UniRac SolarMount Rails with S-5-U Clamps made by S-5!. S-5! clamps attach to the seam of a metal roofing by the tightening of two “bullet-nosed” stainless steel setscrews against the seam material. The round point setscrews compress the seam material against the opposite wall of the clamp. The clamps will “dimple” the seam material, but will not penetrate it. Threaded holes in the clamp enable the easy attachment of the UniRac SolarMount Rails to the clamps. The customer was able to attach the solar panels to the metal roof by taking advantage of the S-5! clamps. The picture above shows the installed solar panels, what do you think of the outcome of his...

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meet the enphase m190 grid tie inverter

Enphase Energy, the manufacturer of the revolutionary micro inverter system has released a new and improved version of the micro inverter called the m190. Enphase recently put out their preliminary datasheet of their newest addition to the Enphase product mix. The m190 is compatible with 60 and 70 cell solar panels and has the following improvements over the m175 and m200 product lines: a wider temperature range the micro inverter can operate in. The enphase m190 can operate in ambient temperatures between -40c to +65C mean time between failures (MTBF) of 365 years, which triples the MTBF rating of the M175/M200 models. According to the company this was verified by testing the micro inverter for 10 million unit hours of operation in the field. The M190 makes installation even easier by reducing the number of cables to manage to one 6′ cable versus two 3′ cables on the M175/M200 models. You thought the M175/M200 was small enough? The new m190 has a 30% smaller footprint than its predecessors. upgraded racking bracket makes it easier and more flexible to install the m190 face up or down and allows for easier cable routing. The Enphase M190 marks a significant milestone in how the micro-inverter is evolving. In my opinion it’s a good sign that Enphase Energy is making continuous improvements with their product because the results are going to be a more a even smaller, easier to install grid tie inverter solution. Check out the preliminary datasheet below. What do you think about the Enphase...

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