How does eco mode work on inverter AC pertrol generators?

Submitted: Friday, Feb 18, 2011 at 07:09
ThreadID: 84441 Views:2536 Replies:4 FollowUps:1
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My question is, when a generator is in eco mode, how does it know to spin up when a heavy load starts?

as an example i have a clothes dryer, when it just turns the barrel it draws around 300 watts, however when the heater element kicks in it draws 2000watts.

The generator instantly spins up and supplys the required power in less than a second, so how does the dryer say "I need more power" and the generator says "ok here it is"?
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Reply By: Allan B (Sunshine Coast) - Friday, Feb 18, 2011 at 07:58

Friday, Feb 18, 2011 at 07:58
The inverter in the machine regulates the voltage to maintain the correct output and if it runs out of oomph then the generator speed is increased to produce the sufficient energy.


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AnswerID: 445840

Reply By: MarkSom - Friday, Feb 18, 2011 at 08:13

Friday, Feb 18, 2011 at 08:13
Tecknicklee.... when a circuit is opened ( like the heating element) a transistor in the unit goes low & switches triggering another transistor to trigger the higher output cycle on the genny.....clear as mud?
AnswerID: 445841

Follow Up By: stealthmatt - Friday, Feb 18, 2011 at 08:26

Friday, Feb 18, 2011 at 08:26
lol yeah clear as mud not as clear as water, u have confused me actually, What makes the transistor go low? what does the load do so that the generator see's and changes the rev speed?
FollowupID: 718174

Reply By: Wokwon - Friday, Feb 18, 2011 at 08:27

Friday, Feb 18, 2011 at 08:27
The voltage drops off so the generator powers up to compensate.
AnswerID: 445844

Reply By: Member - Alastair D (NSW) - Friday, Feb 18, 2011 at 17:23

Friday, Feb 18, 2011 at 17:23
As has been said the generator electronics monitors the output voltage and attempts to maintain it within a narrow window. If it drops due to increased load it opens the throttle on the motor, if the voltage rises it backs off. A bit like cruise control on a car does to maintain a constant speed only more precise.

AnswerID: 445904

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