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generator Question

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Posted by Chuck on October 15, 2003, 1:57 am
 
I worked for years on large airplanes that used 400 cycle power,The 400
cycles were controlled by a CSD (constant speed drive) The CSD is a device
that resembles a automobile automatic transmission. The CSD controlled the
frequency very close and is very complicated unit.How are the freqs
(60cycles) controlled on the small home type generators? Is it done by
controlling the engine speed with a governor? Or is freq multiplication
used?



Posted by Duane C. Johnson on October 15, 2003, 2:04 am
 
Hi Chuck;


Engine speed mostly.

Although that one Honda generator uses a power inverter.

Duane

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Posted by GLC1173 on October 15, 2003, 3:38 pm
 Duane wrote:

   Honda now sells at least three models with inverters - all differing in
wattage output.


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Posted by Scott O'Hearen on October 15, 2003, 2:11 am
 small air-cooled engine governors are generally centrifugal governor
controlled by engine speed.
spring adlustment on carb.
larger liquid-cooled are generally electronic dc governor.
governor "sees" rpm from mag pickup on flywheel.
older units are belt-driven governor.



Posted by _jj_ on October 15, 2003, 10:59 pm
 
   Really ?  ... for the portable 5 KW generators   .. ?
 Just a simple centrifugal / mechanical governor ?
My Honda puts-out   60.1  -  60.3  -  I was impressed with that !
I figured it must be electronic or sumpthin ..
  John T.



On Tue, 14 Oct 2003 22:11:37 -0400, "Scott O'Hearen"



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