AC Generators – variable speed


Whisper Power’s Genverter© combines the latest diesel engine technology  with a new way of producing electrical power. Instead of adding an alternator with fixed speed on the back of the fly-wheel, we have designed a very compact permanent magnet alternator (PM), located just behind the engine. As a result, these systems are much smaller and lighter compared to traditional generators.

Customer benefits:

  • The output voltage of the generator is not dependent on the RPM (revolutions per minute) of the generator. The generator RPM can be fixed to a position offering the optimal balance between RPM, output power, audible noise and vibration. In most cases the result is 2300 RPM.
  • The PM alternator utilizes the same cooling circuit as the main engine making the installation much more simple.
  • The output voltage / power of the PM can be used for various purposes including integration into DC systems. For example with our DC PowerCube concept or as an inverter based variable speed generator, our Basic range.
  • Our Genverter ‘I’ versions are HYBRID generators: variable speed just as with our Basic version, but with an additional inverter / battery charger, our WPC Power Centre, capable of providing sine wave AC power to the various on board appliances. The battery is automatically charged by the WPC’s Power Centre.

Whisper Power’s GENVERTER range is available in the following three variants:

  • 24 V or 48 V DC generator with DC PowerCube battery charger 80 A – max. 300 A at 24 V
  • 230 V AC generator, with a power output of  4, 8, 10 or 15 kVA
  • Or as a ‘PLUG –IN HYBRID’ version

AC based Genverter 2, 3, 4 cylinder, 4 – 8 – 10 – 12 – 15 kVA:

  • 230 V – 50 Hz or 120 V – 60 Hz, superior sine wave
  • 200% peak power, perfect to operate airco systems
  • Variable speed, 1500 – 2800 rpm or fixed (selectable)
  • AC load determines rotating speed
  • 10% more efficient (fuel to power) than conventialt systems
  • Extremely silent < 52 dBA
  • Compact and light weight

System features of both variants:

  • Audible noise inside a boat will be less than 48 dBA
  • Automatic start stop based on energy balance
  • Clean running of engine at the right load
  • Continuous AC power, without interruption
  • Global shore power access

Whisper Power’s ‘one stop shop’ is unique: we are able to supply our generator systems with all the necessary installation parts. No more shopping around needed.


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