[RE-wrenches] wrenches] Husqvarna 5500 andVFX3524Compatibilityquestion

boB boB at midnitesolar.com
Sun Feb 3 20:18:09 PST 2013


I believe that AC systems must be grounded, if only just so lightning 
protection works.

boB



On 2/3/2013 7:31 PM, Carl Emerson wrote:
>
> Jay,
>
> One leg is called Phase here, this is the hot leg.
>
> The other is Neutral and is bonded to ground at every main 
> distribution board.
>
> 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.
>
> Regards
> Carl Emerson
>
> Hi Carl,
>
> thanks and yes, I think its why they only did a 120v version here.
>
> Another question for you there.
>
> Its my understanding that neither of your legs is bonded to ground 
> correct?
>
> jay
>
> peltz power
>
> On Feb 3, 2013, at 4:22 PM, Carl Emerson wrote:
>
>
>
> Hi Jay,
>
> Yes you have described our grid waveform correctly.
>
> It is strange to me that they call yours 240V, the rationale used to 
> describe yours and mine are different I guess.
>
> Your grid seems to present less volts and more current.
>
> If this is correct then I am guessing that the transformers used in 
> the units here will not work for you.
>
> Regards
> Carl Emerson
>
> Hi Carl,
>
> Your 230vac is a single wave form right?
>
>  RMS peak to zero crossing of 230v
>
> vs our
>
> 240vac which is 2 phase wave form
>
> RMS peak to zero crossing of 120v
>
> Have I got this right?
>
> thanks,
>
> jay
>
> peltz power
>
> On Feb 2, 2013, at 6:56 PM, boB wrote:
>
>
>
>
>
> Carl,   NZ is 240 VAC right ?   240 VAC 2 wire ?
>
> I think that the problem may have to do with leg to leg voltage cross 
> regulation
> imbalance in 120/240 3 wire systems.
>
> boB
>
>
> On 2/2/2013 3:23 PM, Carl Emerson wrote:
>
>> Goodness knows why 240V Sunny Island's are unavailable in the US...
>>
>> We have been installing these in NZ for years !!!
>>
>> Regards
>> Carl Emerson
>>

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