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Search took 0.00 seconds. Search: Posts Made By: Rumpi
Forum: Electrical: Batteries, Generators & Solar 08-08-2017, 17:43
Replies: 141
Views: 43,532
Posted By Rumpi
Re: Powering an electric dive compressor

I totally agree with everything. Energy conversions should be kept to the absolute minimum possible. And when it comes to big lithium banks the question becomes: How big a generator can my boat float?
Forum: Electrical: Batteries, Generators & Solar 08-08-2017, 16:58
Replies: 141
Views: 43,532
Posted By Rumpi
Re: Powering an electric dive compressor

For me it's pretty clear. A 9kW generator is going to start a 1.5kW motor even under full load. Given that "Leopard is no Burger King" (still trying to get my head around this concept actually) I...
Forum: Electrical: Batteries, Generators & Solar 08-08-2017, 06:55
Replies: 141
Views: 43,532
Posted By Rumpi
Re: Powering an electric dive compressor

Okay, on topic:
1. What is the running power of the intended compressor in kW?
2. What type of motor is fitted to the compressor? 1 phase/3 phase /Volts
3. Is the intended compressor fitted with...
Forum: Electrical: Batteries, Generators & Solar 08-08-2017, 03:36
Replies: 141
Views: 43,532
Posted By Rumpi
Re: Powering an electric dive compressor

You are pretty out of date to put it mildly. Nowadays a small shoebox that costs 200-300$ converts 1phase to 3phases, allows full variabe speed control up to overspeeding (0 to 90Hz) and provides...
Forum: Electrical: Batteries, Generators & Solar 07-08-2017, 08:31
Replies: 141
Views: 43,532
Posted By Rumpi
Re: Powering an electric dive compressor

This is actually simple to do:

Option 1:
Compressor with unloader valve powered by 3 phase motor and VFD. The VFD converts 1 phase from generator or inverter to 3 phase and allows programable...
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