Wow! That’s CA. We’re on residential time of use here in NC and average for
June was $.09 kWh or about 20% of VP5 rate! I’ll deal with the RFI if I can
just get my bill down some.
Sent from my iPhone
> On Jul 2, 2018, at 2:10 PM, Steve Kurtzman <stevew7sjk@gmail.com> wrote:
>
> Funny you should ask... in San Diego it can be as high as $0.55/kWh depending
> on season, rate schedule, time of day and overall usage. But I get your
> point. New commercial buildings commonly use VFDs for HVAC and pumps, to
> save energy.
>
> Steve
> sparkie001@pobox.com
> stevew7sjk@gmail.com
> www.facebook.com/imetsteve
>
>
>
>
>> On Mon, Jul 2, 2018 at 10:54 AM James Jordan <k4qpl2@gmail.com> wrote:
>> Good question. Thanks but the power situation in Turks & Caicos is very
>> different from USA. Electricity is about $.48 PER KILOWATT HOUR! What’s
>> yours? Pool alone presently costs almost $300/month for power. A two speed
>> doesn’t have enough flexibility to optimize energy usage while providing
>> adequate circulation and filtering. The new VS drives are also inherently
>> more efficient so I’ll just have to deal with any RFI that results. Most of
>> our renters are not hams in any event and if push comes to shove we’ll
>> switch off or to the backup fixed speed pump during a contest etc. Hopefully
>> line filters and ferrites will keep things manageable.
>> 73,
>> Jim K4QPL VP5M
>>
>> Sent from my iPhone
>>
>> > On Jul 2, 2018, at 12:53 PM, Jim Brown <jim@audiosystemsgroup.com> wrote:
>> >
>> > Why use variable speed controller at all? Most systems that use motor
>> > controllers have 2-speed controllers as "standard equipment" and offer
>> > variable speed as an upgrade. I suggest that you try to avoid variable
>> > speed.
>> >
>> > 73, Jim K9YC
>> >
>> >> On 7/1/2018 11:25 AM, James Jordan wrote:
>> >> Other comments or suggestions?
>> >
>> >
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