Recent content by TKarlsson

Gents. Thanks very much for your replies. All this ends up well above my head so I was hoping you could give me rough idea of what my load on UPS would be with the following setup. Step-up Tx: 230Vac to 1000Vac, rated 5kVA >98% efficiency. ~3000m of aluminium cable with 70mm2 cores...

Hi all. I'm hoping someone can help me out on a (for me) tricky little issue. We are to use a communication module that we know will draw 5amp and must be supplied via a UPS. Tricky bit is that its 3.5km away so we need to step up the voltage at source and step down again at load. 400Vac is to...