Voltage Optimisation

[brman]

i was at the grand designs show last week with my wife and some women tried to sell me a Voltis install for £900. She gave up pretty quick when I told her I was an electrician and I thought her prices were a bit on the steep side

Comparing the specs I noticed that vphase doesn't even run at 20A continuously. Anything above 2kW is the "short term active region". Which is probably another way of saying it starts to overheat pretty quickly and shuts itself down........
http://www.vphase.co.uk/getattachment/Trade-Zone/Info---Downloads/VPhase-Technical-Specification.pdf

 

[Earthstore]

£900... that is a healthy profit for an hours work...

 

[brman]

£900... that is a healthy profit for an hours work...

yes, maybe I should have got the stand next door and offered them for £800.

 

[sedgy34]

£900... that is a healthy profit for an hours work...[/QU

it is in sales

 

[spark 68]

Comparing the specs I noticed that vphase doesn't even run at 20A continuously. Anything above 2kW is the "short term active region". Which is probably another way of saying it starts to overheat pretty quickly and shuts itself down........
http://www.vphase.co.uk/getattachment/Trade-Zone/Info---Downloads/VPhase-Technical-Specification.pdf

One question I have asked repeatedly, but got no answer from the V-Phase rep, was what is the dissipation of the unit ? and what are the losses ?

We know nothing in this world is a 100% efficient, and so to drop the voltage down, it must be dissipating something.

He either could not, or would not answer me, and just kept banging on about 'potential savings', at this point I walked away.

 

[Earthstore]

As I understand, it is just a transformer, the Voltis goes into bypass if it is running at less than 0.8A, as the unit would cost more to run than it saves, anything over this then you are saving (apparently)

I hope this helps.

 

[brman]

One question I have asked repeatedly, but got no answer from the V-Phase rep, was what is the dissipation of the unit ? and what are the losses ?

We know nothing in this world is a 100% efficient, and so to drop the voltage down, it must be dissipating something.

He either could not, or would not answer me, and just kept banging on about 'potential savings', at this point I walked away.

As he was a sales man he probably didn't know what the word efficiency means

 

[yoz7241]

Guys,
As every one is quieter on PV we are looking at this type of product voltage optimisers.
We have 3 good SELECT approved sparkys and i dont want to lose any of them if we can sell this product through our client bank my understanding this is a 10 percent saving on electricity.
is any one installing what products are you using and what is a typical install time.


An idea of prices and pay back would be good (pmed of course).
Thanks with your responses.

wiggly

Im thinking exactly the same as you, ive narrowed down the products im going to be using to VPhase and voltis Home, im offering 2 types because Vphase you need a split board RCD and voltis home you dont which means ive covered everybodies CU set up. The only thing is that voltishome optimises the whole consumer unit which can mean everything with thermostatic controls will take longer to heat up obviously, vphase however is alot cheaper and only optimises the circuits where the savings can be made, price for product is £173.00 for VPhase and £325.00 for voltishome, vphase takes about 2 hours to install and voltishome is around an hour!!!

Let me know how your getting on, ive only just started off doing voltage optimisation and would be keen to know how well your doing!!!

Thanks

 

[screwdriver]

Im thinking exactly the same as you, ive narrowed down the products im going to be using to VPhase and voltis Home, im offering 2 types because Vphase you need a split board RCD and voltis home you dont which means ive covered everybodies CU set up. The only thing is that voltishome optimises the whole consumer unit which can mean everything with thermostatic controls will take longer to heat up obviously, vphase however is alot cheaper and only optimises the circuits where the savings can be made, price for product is £173.00 for VPhase and £325.00 for voltishome, vphase takes about 2 hours to install and voltishome is around an hour!!!

Let me know how your getting on, ive only just started off doing voltage optimisation and would be keen to know how well your doing!!!

Thanks

I would generally stick with the Voltis unless there is a real need for the 240v (8ft fluorescents anyone???) the voltis is a 20 min job with minimal testing required to db, the Vphase is like opening up a can of worms, altering circuits in the DB would mean needing to test all outgoing circuits and then what do you do if there is a fault on them???? big opportunities for late night phone calls with customers blaming you for causing their appliances to trip rcds etc etc, just my 2p. BTW a 4 slice toaster doesn't like having too low voltage..........