RE: Automatic Generator cut in

["Nigel Giddings" <nigel.giddings@xxxxxxx>]

Mick,

You need to ensure that the genny produces power clean enough to satisfy
the
ups otherwise it will continue to run on the battery.

Also gennys run best at 60 to 80% loads so sizing is important, I am
looking
at about 10KVA with two immersion heaters (3Kw) in a heat store to dump
power when the house is on low load....

Self start panels are commercially available for this size of generator and
that is the way I will e going.

Nigel

-----Original Message-----
From: Mick Furlong [mailto:hiltoneltd@xxxxxxx]
Sent: 09 May 2003 23:24
To: ukha_d@xxxxxxx
Subject: [ukha_d] Automatic Generator cut in

OK something on topic for a change;)

Scenario is as follows.....

Generator in outside boilerhouse

3xUPS (one with interface to Server PC) inside main house running some
lighting and some computer/networking kit.

Every imaginable cable type running between the boiler house and the main
house and a duct to run more if needed.

Questions are...
How do I get the generator to autostart if there is a mains failure?
Do I need a special generator (I haven't picked one yet)?
I believe the wiring needs to be isolated from the mains when the generator
is running how do I do this automatically?
How do I get the system to cut over to the mains once the power is back?
Finally how do I do all of this on a reasonable budget?

Thanks in advance for any ideas
Mick






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