1.5 isn't big enough for a 700 watt machine 5 is about right 15 wont blow till the 13A has blown already 7.5 is possible but I've never seen a 7.5A fuse. 6.3A maybe..
ergo its a 5A fuse. End of.
Mu New Henry vac has a PCB which is shorted out for 'full power'. I guess its got a few components to drop te voltage...
well of course. But what counts most is the temp the motor reaches.
Like Dysons they sure are pricey, but they do an excellent job. I've sampled the resulting smoothies - yum! Making them in a run of the mill blender is slow going.
Most people eat nowhere near enough fruit & veg. They should just eat them, but they don't. When they don't, a nutribollocks is a life saver, literally.
NT
that's incorrect physics. It ignores both power factor and the physics of fuse behaviour.
NT
What about 'about' do you fail to understand?. Simple physics says about 3A. The power factor will not be that large because simple physics says that the power factor of a simple electric motor can usually be disregarded in terms of total current draw because the on load current must always be in phase to generate mechanical power, and the off load current is small.
That leaves the one relevant unknown as the starting current. And a minumum of around 3A working draw
Simple physics tells us that the product doesn't blow the 13A plug in the socket.
So there would be little point in a 15A fuse.
Only ONE fuse rating suggested is > 3A and < 15A and that is 5A.
Simple physics.
Given the circuit posted that had what looked like a full wave rectifier, the worst case scenario is the motor being a stalled, wouldn't it look more like a resistor to the mains, ie unity power factor?
As speed increases I would expect bridge rectifier conduction to occur closer to the peaks of the mains waveform. In that case rms current will actually be less than the simple calculation from power input.
I'm intrigued what the resistance of the motor is.
Well measure it.
For a crappy cheap as chips commercial motor stall current at 3 x onload rated current is not far off.
On a really decent motor wound for efficiency, maybe 20 times.
Since this is almost certainly a nutribollocks, its gonna be cheap crappy and commercial.
ing them in a run of the mill blender is slow going.
When they don't, a nutribollocks is a life saver, literally.
Hmm, all those poor eskimoes dying by the thousand for the lack of a bit of rocket, or the occasional kiwi fruit.
Are you sure the 01 in a circle isn't UL in a circle (Underwriters Laboratory)? If so, the fuse rating is on the other end of the fuse.
My doctor is suggesting I'm drinking too much orange juice now something about 151 ml, which has no meaning to muy imperial brain. Brian
Whatever happened to quick and slow blow fuses and those that looked like they were full of talcum powder? Brian
Same here. Mind you, thirty years living in the USA don't help the metrifucktion of one's thinking.
still around Brian
'Just' think in terms of 500ml a pint, and round up a bit (it's actually
568). So 150ml is about a quarter of a pint.It'll be the sugar and calories I expect with orange juice? Nowhere to run any more :-)
Yup. Fluid ounces is so much easier. ;-)
You just lost your bet. ;-) Runs fine with a new fuse.
Tim
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