Recent content by khara

Thanks all, The data received comprised of the total Kwh counter, the duration and the saved kwh from using the VFD. I will take a look at the losses of the VFD and also obtain data on running the VFD at 100% speed. Then explore the suggestion of Waross.

Hi All, I have recently installed a VFD unit on a 22Kw vent fan motor. The calculated yearly KWH without the VFD was calculated at 192852kwh. The data obtained from the VFD produced a yearly Kwh saving of 44195kwh; however according to the afinity law (at 80% the multiplier factor for the kwh...

The unit is parallel to the grid and the load control is DSLC.

Hello all, I would like to know what would cause a 723 governor to open the generator breaker without any kind of indication at the control desk. This problem has occured on two separate occations and nothing was really found in the system.

Hi all, Of late our 6.4MW diesel engine started hunting. The unit is being controlled by an electronic 723 governor. Could you please shed some light as to what might be some of the possible causes. PS I am more electrically inclined. Thanks

Thanks all for your valuable information.

What is the probability of a faulty lightning arrestor at a substation in the HV section to cause an entire power plant to crash / shutdown. Please shed some light.

we currently have Nine (9) synchronous generating sets. three (3) are MAK Units rated at 6.4MW each and six Wartsilas each rated at 10.2MW. some of the forced outages are water leaks on expansion tank, high crankcase oil mist, low lube oil outlet pressure exhaust gas deviation alarms on...

Hi all I am trying to reduce the amount of forced outages at my company. I would appreciate your input in the form of tips,websites or any recommeneded reading. PS.My company is a diesel generated utility company.

Hi i am a young trainee electrical engineer who has been assigned a task to come up an appropriate way to calibrate the KWH meters for my company's 9 generating sets (10MW each). i am seeking help as to how to go about doing this. Three of the sets utilises Electromechanical KWH meters and the...

Hi i am currently trying to analyse the procedures carried out when using a portable meter tester (MTE P 2.3 plus) and an in house test bench (MTE-S 20.10). I AM TRYING TO COME UP WITH THE DIFFICIENCIES OF USING THE EQUIPMENT. COULD SOMEONE HELP IN COMMING UP WITH THESE DIFFICIENCES. THANKS

I tried emailing the company but still waiting for a reply.

Thanks but i tried calling and i did not get through. I still need help to get this info.

Hi I am presently doing some research on MTE pws2.3 metering instrument and have search high and low for the operating procedure of the instrument but cannot get one. Can anyone suggest something. I really need it. Thanks in advance. Khara