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James Posted on Dec 09, 2017
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Why Can't I get 60 hz out of burshless generator at the highest rpms

1 Answer

Craig Butler

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  • Master 1,730 Answers
  • Posted on Feb 01, 2018
Craig Butler
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The hertz output of the gen is directly proportional to the RPM of the engine speed. You need a meter that you can monitor the Hz and then adjust the engine speed until you are right at 60 Hz.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c

3 Related Answers

heidi muehlenberg

  • 62 Answers
  • Posted on Jan 08, 2009

SOURCE: I need to set cycle to 50 down from 60 Hz

This unit can not be reset to cycle to 50. To find a unit that could be used at this cycle please call the Andis customer service line at 1-800-558-9441.

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Anonymous

  • 1 Answer
  • Posted on Dec 16, 2011

SOURCE: frequency adjustment or solution

Can you check the RPM of the engine? 3600 RPM = 60 HZ. If it is running around that speed, try a different frequency meter.

If it was producing 180 HZ, it should automatically shut down and show a fault code!

Eugene Rounds

  • 1169 Answers
  • Posted on Feb 08, 2015

SOURCE: what is the frequency of Briggs and Stratton portable generator 30552-00 and if it is 60 hz and I wanna change it into 50 hz, Is it possible and how?

It be better to obtain an unit that already design for your area as it will the appropriate electrical outlets.

As for the 30552-00 would be 60 Hz with running at a governed speed of 3600 (3750 unloaded).

Being a two pole generator frequency is determined by dividing engine as follows. 3600 / 60=60. Engine is RPM is in minutes and must converted to seconds. For 50Hz operation the engine speed must be reduce to 3000 rpm (50hz * 60seconds = 3000 rpm)

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Why Can't I get 60 hz out of burshless generator?

Your voltage output must be present also, then adjust engine RPM until 60 Hz is present on output lines at rated voltage.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c

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If RPMs are correct at 3600, my frequency is correct at 60. My voltage is low at 170. Is there a way to adjust the voltage?

Hello,

I believe you are referring to a 220 VAC generator. If you have the correct 60 Hz check the voltage of each leg to neutral. If one or both are low it is in the generator section. The regulated voltage is just for the peak voltage. It does not affect lower voltages unless of course there is a loose (hot) connection.

I hope this helps,
Vinnie
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What is the frequency of Briggs and Stratton portable generator 30552-00 and if it is 60 hz and I wanna change it into 50 hz, Is it possible and how?

It be better to obtain an unit that already design for your area as it will the appropriate electrical outlets.

As for the 30552-00 would be 60 Hz with running at a governed speed of 3600 (3750 unloaded).

Being a two pole generator frequency is determined by dividing engine as follows. 3600 / 60=60. Engine is RPM is in minutes and must converted to seconds. For 50Hz operation the engine speed must be reduce to 3000 rpm (50hz * 60seconds = 3000 rpm)
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Generator low voltage

It could be several things but it sounds like it just running too slow. I would the engine rpms first. Depending if is a two pole or four pole and if your 60hz or 50 Hz on the needed unloaded rpms.

Example: 2 pole 60 hz. Engine needs to be running at 3600 rpm loaded and 3750 rpm unloaded; unless, it has a fuel saving mode.
A 4 pole 60 hz would running half this rpm. The 2 pole producing 50hz would have the engine running at 3000 rpm loaded (about 3100 rpm unloaded)

Now in order for the 50 hz system to produce the same output voltage it requires a different alternator than the 60 hz version; otherwords, You simply can't convert a 60 hz to 50 hz version without changing the alternator by changing the engine speed.
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Only getting 80 volts

First check you engine's rpm. Your generator is a 60 hz unit it need to be 3600-3750rpm; if 50 hz then it need to be 3000-3100.

If voltage is still down and the rpms are correct then alternator's voltage regulation circuit needs checking. To do this you need to have make and model posted.
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Coleman Powermate 5000W has HIGH RPMs until a 3KW load

This generator is less than ideal to use as a home unit. see www.advanced-power-technologies.com and look at residential videos. Basically the voltage is governed by a capacitor on your unit, and ouput is directly propertional to speed. Also the engine is mechanically governered versus an electronic system. This is a common mistake using portables to power home equipment. You will damage your home digital equipment, do not use recommended
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At 3600 rpms generator produces 133 volts AC

You cannot, speed is propertional to voltage on these, as they have capacitor voltage regulation. Do not use this for powering home appliances, it is common to see this design and not a problem. If you add load and it will decrease but so will the frequency
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Why do my clocks run fast when my Briggs & Stratton 15kw generator is running?

Electric clocks use synchronized motors that run on 60 Hz AC. The power company provides AC power with a precisely regulated frequency of 60 Hz. That means that the voltage jumps back and forth (positive to negative) 60 times per second. Your generator would do the same thing if it could run at precisely 3600 rpm (that's rev's per minute) - but it can't, because the engine is not that precisely controlled. In your case it tends to run (on average) a little fast. I hope you found this helpful. By the way, in Europe 50 Hz is the norm. If you run a clock designed for 50 Hz on 60 Hz power, it will run 20% too fast! Al K
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Engine runs and there is power but it cannot keep up on demand

make sure your not overloading the power and Amp's out put. you'll also my need to have your set re-calibrated. most tags show, 3600 rpms at 60 hz 120\240 no load. over time you'll ether loss or gain rpms which well directly affects your power output. let me know. good luck
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