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I believe that AC systems must be grounded, if only just so
lightning protection works.<br>
<br>
boB<br>
<br>
<br>
<br>
On 2/3/2013 7:31 PM, Carl Emerson wrote:<br>
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<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue">Jay,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue">One leg is called
Phase here, this is the
hot leg.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue">The other is Neutral
and is bonded to
ground at every main distribution board.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue">In theory one cannot
get bitten coming into
contact with the Neutral but this can happen if there is
poor earthing, or a
poor connection on the Neutral return. <o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="black" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:black">Regards<br>
Carl Emerson</span></font><font face="Arial"><span
style="font-family:Arial"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="3" color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt">Hi Carl,<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt">thanks and yes, I think its why they only did a
120v version here.<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt">Another question for you there.<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt">Its my understanding that neither of your legs
is bonded to ground
correct?<o:p></o:p></span></font></p>
</div>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt">jay<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
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<div>
<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt">peltz power<o:p></o:p></span></font></p>
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<div>
<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
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<div>
<p class="MsoNormal"><font size="3" face="Times New Roman"><span
style="font-size:
12.0pt">On Feb 3, 2013, at 4:22 PM, Carl Emerson
wrote:<o:p></o:p></span></font></p>
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style="font-size:
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<br>
<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" color="blue"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue">Hi Jay,<u1:p></u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
</div>
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<p class="MsoNormal"><font size="3" color="blue"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue"><u1:p> </u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
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<div>
<p class="MsoNormal"><font size="3" color="blue"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue">Yes you
have described our grid waveform
correctly.<u1:p></u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font size="3" color="blue"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue"><u1:p> </u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font size="3" color="blue"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue">It is
strange to me that they call yours
240V, the rationale used to describe yours and
mine are different I guess.<u1:p></u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font size="3" color="blue"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue"><u1:p> </u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font size="3" color="blue"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue">Your grid
seems to present less volts and
more current.<u1:p></u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
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<div>
<p class="MsoNormal"><font size="3" color="blue"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue"><u1:p> </u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" color="blue"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue">If this is
correct then I am guessing that
the transformers used in the units here will not
work for you.<u1:p></u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" color="blue"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue"><u1:p> </u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:black">Regards<br>
Carl Emerson<u1:p></u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font size="3" color="blue"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue"><u1:p> </u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
</div>
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<p class="MsoNormal"><font size="3" color="blue"
face="Arial"><span style="font-size:
12.0pt;font-family:Arial;color:blue"><u1:p> </u1:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
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<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black">Hi Carl,<u1:p></u1:p><o:p></o:p></span></font></p>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black"><u1:p> </u1:p><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black">Your
230vac is a single wave form right?<u1:p></u1:p><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black"> RMS peak
to zero crossing of 230v<u1:p></u1:p><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black"><u1:p> </u1:p><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black">vs our<u1:p></u1:p><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black"><u1:p> </u1:p><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black">240vac
which is 2 phase wave form<u1:p></u1:p><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black">RMS peak
to zero crossing of 120v <u1:p></u1:p><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black"><u1:p> </u1:p><o:p></o:p></span></font></p>
</div>
</div>
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<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black">Have I
got this right?<u1:p></u1:p><o:p></o:p></span></font></p>
</div>
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<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black"><u1:p> </u1:p><o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black">thanks,<u1:p></u1:p><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black">jay<u1:p></u1:p><o:p></o:p></span></font></p>
</div>
</div>
<div>
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<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black"><u1:p> </u1:p><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black">peltz
power<u1:p></u1:p><o:p></o:p></span></font></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black"><u1:p> </u1:p><o:p></o:p></span></font></p>
</div>
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<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black"><u1:p> </u1:p><o:p></o:p></span></font></p>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black"><u1:p> </u1:p><o:p></o:p></span></font></p>
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<div>
<p class="MsoNormal"><font size="3" color="black"
face="Times New Roman"><span
style="font-size:12.0pt;color:black"><u1:p> </u1:p><o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3"
color="black" face="Times New Roman"><span
style="font-size:12.0pt;color:black">On
Feb 2, 2013, at 6:56 PM, boB wrote:<u1:p></u1:p><o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3"
color="black" face="Times New Roman"><span
style="font-size:12.0pt;color:black"><br>
<br>
<br>
<o:p></o:p></span></font></p>
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<u1:p></u1:p>
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<p class="MsoNormal"><font size="3"
color="black" face="Times New Roman"><span
style="font-size:12.0pt;color:black"><br>
Carl, NZ is 240 VAC right ? 240
VAC 2 wire ?<br>
<br>
I think that the problem may have to
do with leg to leg voltage cross
regulation<br>
imbalance in 120/240 3 wire systems.<br>
<br>
boB<br>
<br>
<br>
On 2/2/2013 3:23 PM, Carl Emerson
wrote:<u1:p></u1:p><o:p></o:p></span></font></p>
</div>
</div>
<blockquote
style="margin-top:5.0pt;margin-bottom:5.0pt"
cite="mid:1DAC84BCFDBF41C6A25FA5FDDF13A770@emerson1"
type="cite">
<div>
<p class="MsoNormal"><font size="3"
color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue">Goodness
knows why 240V Sunny
Island’s are unavailable in the US…<u5:p></u5:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
<u1:p></u1:p></div>
<div>
<p class="MsoNormal"><font size="3"
color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue"><u5:p> </u5:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
<u1:p></u1:p></div>
<div>
<p class="MsoNormal"><font size="3"
color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue">We
have been installing these in NZ for
years !!!<u5:p></u5:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
<u1:p></u1:p></div>
<div>
<p class="MsoNormal"><font size="3"
color="blue" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:blue"><u5:p> </u5:p></span></font><font
color="black"><span style="color:black"><o:p></o:p></span></font></p>
<u1:p></u1:p></div>
<div>
<div>
<p class="MsoNormal"><font size="3"
color="black" face="Arial"><span
style="font-size:
12.0pt;font-family:Arial;color:black">Regards<br>
Carl Emerson</span></font><font
color="black"><span
style="color:black"><o:p></o:p></span></font></p>
<u1:p></u1:p></div>
<u5:p></u5:p>
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<p class="MsoNormal"><font size="1"
color="white" face="Arial"><span
style="font-size:
9.0pt;font-family:Arial;color:white"> <u5:p></u5:p></span></font><font
color="black"><span
style="color:black"><o:p></o:p></span></font></p>
<u1:p></u1:p></div>
</div>
<div>
<div>
<p class="MsoNormal"><font size="3"
face="Times
New Roman"><span
style="font-size:12.0pt;font-family:"Times\000D\000A
New Roman"" lang="EN-US"><u5:p> </u5:p></span></font><font
color="black"><span
style="color:black"><o:p></o:p></span></font></p>
<u1:p></u1:p></div>
</div>
</blockquote>
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