I was wondering if you guys know where to find an electrical generator that does not come with an engine. For example, I have found diesal generators that use diesal fuel to create current. I need something that can create current, but doesn't come with any mechanical input.I basically need an alternator that can produce power on the 30 kilowatt level.
your generator just needs to have the valves cleaned and maybe adjusted, gennies run at an even pace for a long time which builds up soot in the valves,,allowing to much air in ,, or the valves may need adjusting which would cause the same thing,,,
You need 3 things to create electrical current. 1. An electrical conductor - usually copper wire 2. A magnetic field - could be from permanent magnets or electromagnets or a combination of both 3 Relative motion between the conductor and the magnetic field. If you are not using mechanical input (like an engine or turbine) to create physical motion, you will need to find a way to put the magnetic field in motion.
How do you expect to create current without any mechanical input? All generators require a mechanical input, you have to turn the shaft to get an electrical output. Unless you want something like a solar array? Rereading, I think you want a generator without a motor, but with a mechanical input in the form of a shaft that you rotate? Is that correct? Looking on google, I see what you mean, a search for generator 30kW turns up tons of diesel generators, but not just a generator. Perhaps because no one buys these except for the people who make diesel generators. Sorry I can't help. But you may want to rephrase your question. .
There was much more success searching with terms like belt driven generator, generator head, or two bearing generator, than with just generator. A practical problem: An AC generator's output frequency is dependent on the shaft speed, so you'll need a governor to keep the speed constant, even as the applied load changes. The packaged engine-generator sets include a governor set-up, does the engine you have include a governor? Many of these generator heads run at 3600rpm, is your diesel going to be happy running for long periods of time at that speed? You could change the shaft speed with a pulley ratio if you use belts, but in any event, the shaft speed must be kept constant at the manufacturers specification to keep the output line frequency and voltage at the desired spec. You will also need a Generator Transfer Switch to transfer household loads from the utility to the generator, if you decide to go that far. In the third reference provided below, notice that some of the pictures show only a lay-out. Some sort of very sturdy mounting plate would be needed for those configurations. If the engine was started with the generator head just laying there, parts would be flying all over the place in short order. Obviously shaft and belt alignments would be critical.
