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			<title>Green Building Forum - Grid Tie inverters</title>
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		<title>Grid Tie inverters</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=893&amp;Focus=9747#Comment_9747</link>
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		<pubDate>Thu, 22 Nov 2007 13:29:34 +0000</pubDate>
		<author>workaholic</author>
		<description>
			<![CDATA[I am planning to install some PV and a wind turbine both using Grid Tie inverters. I understand that you can connect the outputs of the Grid Tie inverters in parallel and that they will disconnect themselves in the event of a power cut. What happens if your main Grid supply becomes disconnected rather than a power cut. You now have two inverters both running. Will each one "think" that the other is the Grid and therefore keep working?]]>
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		<title>Grid Tie inverters</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=893&amp;Focus=9755#Comment_9755</link>
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		<pubDate>Thu, 22 Nov 2007 15:24:24 +0000</pubDate>
		<author>chuckey</author>
		<description>
			<![CDATA[As there must be a breaker between their output and the "grid" for maintenance and for safety puposes, one would think that the situation should be covered by the units. I would think that that they would continue to run but would not actually produce any power.<br />    Frank]]>
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		<title>Grid Tie inverters</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=893&amp;Focus=9815#Comment_9815</link>
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		<pubDate>Fri, 23 Nov 2007 19:22:14 +0000</pubDate>
		<author>ted</author>
		<description>
			<![CDATA[Inverters that are certified for grid tie use incorporate a feature specifically to prevent this from happening. It's called Frequency Drift Anti-Islanding. As long as the equipment you use is certified G83 (in the UK) compliant you should have no problem.]]>
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		<title>Grid Tie inverters</title>
		<link>https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=893&amp;Focus=9820#Comment_9820</link>
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		<pubDate>Sat, 24 Nov 2007 08:02:12 +0000</pubDate>
		<author>workaholic</author>
		<description>
			<![CDATA[Thanks chuckey and ted.<br /><br />I have managed to do a bit more reading on the subject. One thing I found was that despite all our European harmonisation there are different grid failure detection methods used in different countries. You need to beware sourcing equipment out of the UK.]]>
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