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Renovations 3-phase wiring

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tgeoklin
post Dec 23 2008, 05:25 PM

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QUOTE(optiplex @ Jun 9 2008, 09:59 PM)
single phase electric first 200 unit $0.218, >, then 0.289 per unit
3 phase, 1 unit 0.323

New TNB meter can support 100A. Should be enough

err.. how is that cheaper?
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While the above is correct, the DB box are only able to take around 60A, so in order to benefit, you may need to upgrade your DB Box and add in additional capacitors for optimum performance.

FYI I got 8 Air-Conds in my house and tons of other shit and still on single phase. As overall 100A is still way adequate while certain 3 phase only gives you 30A per phase, making a total of 90A only tongue.gif
tgeoklin
post Dec 24 2008, 12:22 PM

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QUOTE(Sitting Duck @ Dec 24 2008, 12:12 PM)
Wow, that's cheap..

Well, I have one 1.5 HP air con which is only turn on at night around 10:00PM till  6:00AM, 1 refrigerator, 1 water heater (24 hours), 1 PC and 1 washing machine which is used 3 times a week, a TV and that's it.

My monthly electricity bill is around RM200.. which is think is too expensive.. sad.gif
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It depends, newer & more efficient fridge & air-cond can cut yr bill by over 50% and so does adding capacitor onto your DB. Cost more upfront but in the long run much cheaper smile.gif
tgeoklin
post Dec 24 2008, 04:01 PM

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QUOTE(Sitting Duck @ Dec 24 2008, 12:29 PM)
Sorry but can you please explain to me the "adding more capacitor part"? I'm very bad with electrics... I was told that the the plug or capacitor (not sure what is it called, the one that plug into the DB one) that was used by the developer in the DB are really cheap ones. So I was told by electricians to change them but I'm not sure whether it helps to reduce electricity bill if I change them to better ones...so whenever the capacitor burns out,I'll just changed it to something else which the electricians brought to my house and change it, not even sure whether quality of it..
Oh ya, I heard that the new air-cons and fridge, the one that can save bill, is really expensive to maintain as they require different chemical to maintain/service them.. btw, do we need to service our fridge if the fridge is not having any problem and it's cool enough? I have not done anything to my fridge for the past...err..7 years...

Any recommendation?...trying to cut down my electricity bill..


Added on December 24, 2008, 12:38 pmI just noticed this:

http://www.tnb.com.my/cms/jscript/uploads/...n.%20cutout.pdf

Kadar Promosi adalah seperti jadual berikut:

Service Kabel Bawah Tanah:

60A - Kadar Biasa: RM1250, Promosi: RM400
100A -  Kadar Biasa: RM2250, Promosi: RM 900

Looks like what my electrician told me it's true, we still have pay the cable from the distribution point to our house even though it's ready...sad.gif
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Not sure how to explain it proper but you are right about the stock DB installed by the developer as being the cheapest normally, which may be just able to pass ratings under normal usage. But there are no capacitors there, which are normally used at all highrise or big buildings to regulate and enchance usage efficiency. If you are a heavy user, then its recommended to install such but may set you back anything from RM2K onwards depending on component type.

I believe you are referring to the different type of gas or coolant used in fridge/air conds as other than the extra invertor added on, which do not require servicing normally, they are really no different from the older models. However, they are of course more expensive somewhat than the regular type. And no aquarium pump if you really want to save power as they are the worst culprits and nothing so far can help much in that respect
tgeoklin
post Dec 26 2008, 01:47 PM

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QUOTE(Sitting Duck @ Dec 25 2008, 09:00 AM)
Sorry, mind to explain the "aquarium pump" part. I do have a fish tank and have 2 small pumps running. I thought it should eat that much of electricity, considering the device is so small.
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Actually in terms of % consumptions, they are awful inefficient for their size. Further they run 24 hrs non-stop, right? Try tapping them from say a neighbour for a month immediately after your readings been taken and see how much your bill drop by next month wink.gif

This post has been edited by tgeoklin: Dec 26 2008, 01:49 PM

 

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