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Robin Sharpley Posted on Sep 22, 2017
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Anyone know how to fault find a 1968 C6tfl powered petbow generator 3 phase 187.5kva that only generates electricity when it feels like it!!??? - power across 2 phases drops to between 80-245 instead of 415. Sometimes starts generating again within an hr or 2 - sometimes not till next day!!! Frustrating. Any help much appreciated.

1 Answer

obsteiner

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  • Master 901 Answers
  • Posted on Sep 28, 2017
obsteiner
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Have you tried opening it up and checking for loose/corroded connections ?

5 Related Answers

Anonymous

  • 18 Answers
  • Posted on Sep 19, 2008

SOURCE: Generator will not generate electricity.

I assume it is a hand start genset. The most common problem if it has been sat for a while is rust on the ignition timing flywheel. If you take the pullcord housing off (recoil) then you will see a big flywheel with what can only be described as a big forked prong with a couple of wires on it. This flywheel should be stainless steel and rusts when sat around for a while without use. Its job is to complete the circuit to the spark plug every time the flywheel passes the forked prong at a given spot on the flywheel, the faster the wheel turns the faster the spark hence the engine runs quicker. Clean the rust off with a releasing agent (wd 40) hey presto!!!!!!!!!!!

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Anonymous

  • 169 Answers
  • Posted on Dec 14, 2008

SOURCE: 67 votage display on generator output.

Please stop making new problem threads each time you answer, instead post a comment to one of the 5 threads you already have open for this problem. It's getting hard to follow the conversation :-)

OK, now to the problem. You say you have checked 67 volts is displayed on the generator output, I think this means that you see 67 volts on the control panel display when the generator is running. This can be several different problems:
a) a bad CT/PT module that tells the controller the wrong voltage
b) a bad A/D module inside the controller itself
c) a bad voltage regulator

Get a real DMM meter and measure the voltages at the top side of the output (large) circuit breaker of the generator. Put the black lead of the meter on the neutral wire and then measure to each of the phase wires on the circuit breaker. If you get normal voltages then you probably have a bad A/D, if you get 67 volts on all 3 phases you have some other problem.

You still haven't told me what model/spec of generator this is, look on the data sticker on the generator cabinet.

Peace,
Carl

protek480

Craig Butler

  • 1730 Answers
  • Posted on Jun 26, 2009

SOURCE: generator starts but gives no 220 volt electric

This is a frequency issue 50 hertz for Europe, 60 hertz in US. It's speed related. Faster RPM for 60 Hz

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

David Shaub

  • 2994 Answers
  • Posted on Jul 02, 2009

SOURCE: My generator starts but not give 220 volts power

Check the voltage regulator and any fuses or breakers.

Ottoniel

  • 202 Answers
  • Posted on Mar 15, 2010

SOURCE: switch will not start generator on low voltage

Check if the cables that monitors the lines are connected to the circuit board. Check if the voltage at supply line is same at board. If is same something is wrong with your circuit board or settings, check for any loose cable, check for a dc battery and check if that dc battery is good( if not replace). Check your settings and adjust if necessary might not have them set correctly. Care-full when checking the ATS remember if you have a main switch turn it off before checking it.

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Kipor KDE6700TA Diesel Generator - 5,5 kVA. DIP Settings for US Model.

Question edited for clarity.
Question moved from Televisions

Easy way is to phone their Service Department.

https://www.google.com/search?q=kde+kipor+6700ta+dip+switch+settings

Kipor KDE6700TA Diesel Generator - 5,5 kVA

https://www.kipor-power.eu > Diesel Generators

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https://www.kiporuk.co.uk > kde-6700ta-400-64-67

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My diesel generator is only giving an output of 108v.should be 240v

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I have Hobart D300 mixer which operates at 220V, 3phase supply and whereas the facility has 208V, single phase supply. Is there any recommended phase converters available for this product. Thanks

Hi Bill
I may be wrong here......
But I've been around Electricity for a long time.
Have Never seen a device that does phase conversion.
A Building site or home will either have Three Phase or Single Phase Power Available
BUT...A portable (Hired) generator could be "three phase" and you could use any one of those phases individually or all three phases.

I have 3 Phase supply to my house!
But I use 230 volt Single Phase for appliances.
My Bore Pump uses a 3 Phase Motor,
(so with a voltmeter it would read about 440 vAC to the pump motor).
Some Further Info:
A GENERATOR is basically a motor used the opposite way. Rotate a motor and it Generates.
The Phases refer to the THREE Windings in the supplying generator in your suburb.
A Large Magnet passes each winding in sequence giving you the three ripples in the supply.
Our houses can choose to have 1 Phase or Three Phases from the street when you set up your electric supply.
So... to confirm, look at the wires on the supply poles to the premises. Usually three in our area (Oz)
Most people are not aware that a car Alternator is actually three phase. The Rotor is the magnet that rotates.
The only difference with an Alternator is that each "Phase" is connected to 2 Diodes (6 total) to convert the three phase to DC to charge the vehicle.
The Regulator controls the voltage to the Rotor, thereby controlling the output.
So.... An Alternator could in theory supply 3 Phase in a mobile generator. Custom Made. Constant speed would determine the frequency of 50Hz or 60Hz.
Not sure what country you are in

Hope this Helps or gives you food for thought!


Three phase electric power
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HOW DO I install a 3 phase generater to an mcc to automatically change over to generater power in the event of a mains power failure?

You would need a three phase automatic transfer switch.

Your local electric company usually requires you the have these automatic transfer switches install by a license electrician.
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The reasons of no power generation:
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2. The air switch on the electric ball in the diesel generator is damaged: the phenomenon that occurs is that the diesel generator is normal when it is started, and it trips when the load is turned on.

3. Brushed motor equipped with diesel generator: The disadvantage of brushed motor is that demagnetization occurs occasionally, so it is necessary to keep 1-2 pairs of carbon brushes to prevent this situation.

4. The starting elements are not reached: the starting elements of diesel generators refer to the speed of 1500 rpm, frequency of 50HZ, and voltage of 400v. Many users feel that the noise of diesel generators will be very large when this data value is reached, so they reduce the speed by themselves. , the consequence is that the voltage is not enough, the frequency is not enough, and the power is not generated. After a long time, the power of the diesel generator will be insufficient.

5. Damage to the voltage regulating plate: The function of the voltage regulating plate is to adjust the excitation current correspondingly according to the change of the generator load, so as to maintain the terminal voltage as a given value, which can obviously smell the smell of burning.

The above are the common reasons for the failure of diesel generators to generate electricity summarized by our editor. We hereby suggest that if your diesel generator has not expired, please contact the diesel generator manufacturer to provide guidance on operation, and try not to repair it yourself.

More solutions, you can visit https://www.dbdieselgenerator.com
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