I got a Generac GP8000E generator from the US. The Manual says the generator supplies electrical power of 120 and/or 240 volts AC, 30amp, single phase, 60Hz. I need an output of 240V 50Hz. Help Please

SOURCE: 50Hz to 60Hz conversion

Hi, Your idea is basically sound and should work as long as the UPS originally is designed to produce 240V 60Hz and has its own built in timebase. The reason is that the input as long as the voltage matches makes no difference (50 or 60 Hz). By design, the UPS converts the input voltage to DC to charge the internal battery. The battery then powers an electronic circuitry that produces the 240V 60Hz. The input is then isolated from the output in terms of frequency. This is a common design, however, there are some (not many) that uses for its local oscillation sampling from the source and therefore will replicate the input frequency to its output, but very rare; it's better that you know they exist. Hope this be of some help/idea. Post back how things turn up or should you need further information. Good luck and kind regards. P.S. The only problem with 50 and 60 Hz is heat buildup which is tolerable and still within safe parameters. The only time the 50/60 HZ makes a big difference is when motors are used, timers such as in the early designs of microwave ovens, washing machines, etc., pumps and other highly inductive consumers. Most electronic devices converts the AC input to DC and therefore the frequency has negligible effect. Of course others may see it differently.

SOURCE: I'm in the UK bought my

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SOURCE: My Generac Primepact 50 RV generator has no AC output.

Check the exciting field wires and fuses.

SOURCE: dear Sirs, I have purchased a

Andy,
These days it is very simple. The Chinese are giving you everything. All you have to do is to read the specs on the present power supply and buy another one from the market with the same specs other than input voltage. As long as the output voltage and the Hzs are matching, all is well. The Chinese are making power supply that have input voltage as 100 - 240 and HZs as 50-60. Use one of these. Or, before you do that check on your present one to see if it is not already having all these specs, (100 - 240 and 50 - 60).

SOURCE: LP126HD3A rated for 265 volts

You'd need to supply a "Buck-Boost" transformer to do this properly. Technically, the 265 VAC is one hot leg and neutral of a 480 VAC 3 Phase Y system that measures 277 VAC. The 265 number comes from this:

265 is the standard nameplate voltage for a 277 volt motor or AC unit.

230 is standard name plate for 240.
200 is standard name plate for 208
460 is standard name plate for 480.
110 is standard name plate for 120.

Most electricians call the hot leg / neutral circuit "277V AC".

Some popular "Buck-Boost" transformers will convert 208 to 240 and 240 to 208 volt systems, and 240 to 277 and 277 to 240 volt systems - among many other variations. These are auto-transformers as the primary secondary windings share a connection. KVA ratings differ significantly from name plate because of this fact. You should contact a qualified electrician to not only size, but wire the transformer for you. Failure to install a Buck-Boost transformer - and running this unit on 240V AC mains will cause premature failure of motors - fans and compressor due to overheating. This can also result in a fire hazard.

I hope this helps and good luck!