#1

Microwave

in Improving your pride and joy and how to fix things Thu Sep 17, 2020 3:11 pm
by rs540 | 262 Posts

3C76F8AE-B5E6-4728-8F73-F2EEB8B3FCA7.jpeg - Bild entfernt (keine Rechte)


600W microwave installed in place of the mini oven which was hardly used.
Handy for morning porridge amongst other things...


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#2

RE: Microwave

in Improving your pride and joy and how to fix things Thu Sep 17, 2020 4:47 pm
by eribaMotters | 5.591 Posts

Robin, where do you store your pans now?

Colin


aka Oscar - Audi A3 1.5 petrol _ ex 430, 552, camplet trailer tent, 310, now a nice white 2017 430.
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#3

RE: Microwave

in Improving your pride and joy and how to fix things Thu Sep 17, 2020 4:58 pm
by Julie Grafo | 3.555 Posts

Himself won’t even have one in the kitchen, no chance of getting one in the Eriba 😠


Julie & Neil. 2008 530GT pushing Honda CR-V 1.6 iDTEC SE+
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#4

RE: Microwave

in Improving your pride and joy and how to fix things Thu Sep 17, 2020 5:17 pm
by rs540 | 262 Posts

Good point Colin.

Pans for the gas hob fit in the overhead lockers, anything that requires something larger either goes in the Cobb or Grand Remoska...


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#5

RE: Microwave

in Improving your pride and joy and how to fix things Thu Sep 17, 2020 5:51 pm
by Randa france | 13.261 Posts

GRAND REMOSKA argggggggggg


ERIBAFOLK POP UP EVERYWHERE 1999 Eriba Troll 530 pushing a VW Touran 2L TDi Match
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#6

RE: Microwave

in Improving your pride and joy and how to fix things Fri Sep 25, 2020 10:25 pm
by fishcultureman (deleted)
avatar

Microwaves draw considerably more power on start up than they are actually rated for. Can be dodgy on 6 amp sites! Saucepan and gas for us.


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#7

RE: Microwave

in Improving your pride and joy and how to fix things Sat Sep 26, 2020 5:25 pm
by rs540 | 262 Posts

Quote: fishcultureman wrote in post #6
Microwaves draw considerably more power on start up than they are actually rated for. Can be dodgy on 6 amp sites! Saucepan and gas for us.

I chose my oven carefully and it is rated at 1000W peak input power which equates to 4.35 Amps


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#8

RE: Microwave

in Improving your pride and joy and how to fix things Sat Sep 26, 2020 5:44 pm
by eribaMotters | 5.591 Posts

I'm not an electrical wizz, so I've checked this with he who knows. My elderly uncle is a retired electrical engineer and ex production manager of English Electric of old times.
The problem is the start up load. This as with other electric devices is often far higher than the running load, although only for a fraction of a second.
The 1000w peak input would equate to about 1200/1300 watt and It could still easily trip a 6 amp supply on the site bollard.

Colin


aka Oscar - Audi A3 1.5 petrol _ ex 430, 552, camplet trailer tent, 310, now a nice white 2017 430.
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#9

RE: Microwave

in Improving your pride and joy and how to fix things Wed Sep 30, 2020 2:24 pm
by rs540 | 262 Posts

Colin,

I have a degree in electrical & electronic engineering and deal with issues like this on almost a daily basis as part of my business so I apologise if I come across as immodest in any way. "Peak power" is always quoted as the maximum permissible load including any start-up surge. Your uncle is probably referring to what is called "continuous power" which is the maximum amount that can be continuously supplied.

By law it is quoted this way to ensure that sufficiently rated cabling and fuses/breakers are used. So, the normal running load will draw ~2.6A (600W) but the current could surge upon start-up to a maximum of 4.35A (1000W). Almost all circuit breakers have a degree of protection against the surge current multiplied by the surge time. For example, a 4A breaker would not normally trip immediately but would however, if the peak current was constant. Even a 6A breaker on a site supply will take many times the rated amps for a brief moment depending on whether it's a type B (3-5 times), C (5-10 times), or D (10-20 times). In the case of fuses, "slow blow" fuses are used where there is risk of a start-up surge.



Last edited Wed Sep 30, 2020 3:36 pm | Scroll up

#10

RE: Microwave

in Improving your pride and joy and how to fix things Wed Sep 30, 2020 3:49 pm
by eribaMotters | 5.591 Posts

I hadn't realised you had allowed for the surge as I'd assumed with peak you were referring to the max running load and not the start up surge that many do not realise occurs. It's a matter of a little information and understanding on my behalf being a combination of confusing but enough to treat electrics with caution. Hence the C rated breakers I asked to be installed on the garage consumer unit.to cope with the sart up load on my woodwork machinery.

Colin


aka Oscar - Audi A3 1.5 petrol _ ex 430, 552, camplet trailer tent, 310, now a nice white 2017 430.
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