Effect of Tuning Governor of DG Set

The generator should be running at 1500 RPM for 50hz, and it's not a good idea to overload it for extended periods of time....

VERY MANY THANX. COULD YOU LET ME KNOW EFFECT OF TUNING GOVERNOR SO THAT IT MEETS RPM LIMITS AS BROUGHT OUT IN MY POST

Ask the manufacturers rep.....

thank you very much

Don't overload the generator!

Dear all knowing engineer guys I have a DG that is running at 110% of rated load but the frequency is too low. I need it to run at 120 - 130% of rated load and stay at its designed frequency and voltage as well.

How do I adjust the governor and voltage regulator to run faster at this load?

I really need your help. The dealer wont help me and keeps hanging up the phone when ever I call and ask them how to fix this.

Dear,

First, you need to understand that even a horse, or Ox will die if over worked.

They can pull all day long if you don't over load work them.

You can whip them and make them do more work for a short while, but then they will just drop dead. You will then come back here and ask:

"Dears, my DG Ox has broke. How can I make it go again? It is not that long since I purchased it. Kindly suggest how to bring it back to life, without spending any money."

So, buy a bigger Ox and don't overwork it. It will love you for it.

Some very useful information Lyn.

_________________________________________________________________

Luck comes and goes. Skill is the unified force of experience, intellect and passion in their operation.

1.one should know that any device should not be designed for more than 100% when it be proposed.

2.Regulation of Prime mover rpm is to be accounted while you put calculation with load

3.Fault riding Parameters are to be accounted.

4.when a generator goes beyond 60% to 70% load,further generator is to be proposed for reliability,stability and all.

5.Good Electronic Governors are available for your requirement

You should get 1500 rpm at no load to 100% load, even for 110%. Normally they are factory set and to do speed adjustment during witness testing is a no no. Most obvious is they are using an under size engine for your requirement or they have use a wrong engine ( e.g. automotive type)

Dear Acpokhi,

As per Indian Standards all Gensets should be tested for 10 % overload for 1 Hr in every 12 Hrs of Working. This should be used only for emergency. Overloading the DG set will definately deteriorate the performance of the DG set - Fuel conmsumption would be high, Carbon emission would be high, DG set will be overheated beyond the designed limits. Please do not overload...

The best Fuel Effciecieny can be achieved at arround 75 -85 % of load..

If this DG set is designed to work in solo operation (not Synchronised with other DG set or the Utility) Adjusting the Gain (You have said as Tuning) on the electronic governer will reduce / Improve the response of this Engine on the sudden load changes.. It will be more sluggish or too fast...

If your load is critical to the Transient Voltage changes and if the voltage recovery respose tile is very improtant, plesae do not play with the Gain (Tuning). Instead you can replace the Electronic Governer with asynchronous Electronic Governer (Electronic Governer with ZERO Droop)

Thanks..

VERY MANY THANX FOR YOUR VALUABLE INPUT

You under-speced the machine, over-haggled on the price, bought it from a seller who low-balled the price, and then underdelivered on the performance. It's great to see what happens when two sharks fight over the same carcass. You got what you paid for...

Does that mean your wiring is overloaded to 110% as well? Why did your overcurrent protection device not operate?!