P. F. Correction, Power Factor Correction Systems, Power Factor, Sheet Metal Fabricators, Epoxy Powder Coating Contractors & Panel Wiring, Thyristor switched Automatic Power Factor Improvement Systems, Mumbai, India
              UDEET ELECTRICAL
 
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Special Purpose Application in Industries :

Industries having fast variable loads like spot welders, arc welders, CNC machines, cranes, hoists, steel rolling mills, steel forging industries etc. have real problem of maintaining desired P.F. level. A few systems have already been supplied for these special applications.

P.F. correction at water and sewage pumping stations using 3.3.KV and 6.6 KV motors is practically an untouched area. We have studied about six water pumping stations of Delhi Jal Board using such motors. P.F. at all such places is between 0.72 to 0.8. The Maximum Demand at such stations is average 4000 KV A. M/S Reliance and TATA have exclusive power distribution rights in Delhi Metro area. Both of these companies have stopped billing the electricity consumption on KWH basis, more commonly known as on unit basis. As per the new policy, now the billing is on KV AH basis. This is a proven fact that under such circumstances the billing can be reduced by average 25 % if the P.F. is improved to unity from the actual values mentioned above.
It can be realized that this area has a huge market potential, if we can manage proper publicity and convince various government agencies about the savings.
This same billing pattern has already been introduced by UP electricity board. The concept of directly working at 3.3 KV or 6.6 KV level is our own and there is no body else in this field.

Our system can very effectively be used at power distribution sub-stations of state electricity boards. We have studied a power distribution station at Connaught Place, Delhi, which transfers the voltage from 33KV to 11KV. The average P.F.
at this place is 0.72. It can be easily be calculated that a huge power saving to the tune of more than 25% can be achieved only by improving P.F. from the present value of 0.72 to 0.0.98. The sub-station maximum demand is about 16 MVA. This market is yet to be properly studied. It is a fact that we can easily add about 20 % to our existing power generating capacity merely by improving P.F. at suitable stages. The requirement of our system is huge and without any competition. All electricity boards in India use fixed capacitor banks at their sub-stations which, in fact cause more harm. We have already supplied two small systems to Surat Electric Company at their distribution sub - stations which is giving good results with a pay back period of less than twelve months.

Another potential market for our product is Wind Electric generators. There is a huge demand by the manufacturers and in this field we can work virtually without any competition. Following are three major manufacturers of wind Electric Generators in India;
1. M/S Suzlon.
2. M/S Vestas.
3. M/S Enercon.

We have already approached M/S Suzlon and the negotiations are at very advance stage. They have indicated that the final decision may be taken by the end of February 2005.

The last area which we intend to penetrate is Railways. Traction sub stations and railway work shops of all railways through out India are paying heavy penalties on account of low power factor. We have been studying railways since last three years. It is an acute problem and till date, no body has been able provide any economically viable solution.
After carrying out studies at a number of places we took up a job (as joint venture with and another financially sound company) of improving P.F. at Parel work shop of Central railway. We designed, manufactured and commissioned a system of 2150 KV AR in the month of March 2004 which is working satisfactorily till date. We could achieve reduction in the maximum demand by about 1000 KV A.
It is a great saving for railways and for the nation. In this case alone it can be proved that, the electric supply company can supply power to other consumers to the tune of 1000 KV AR without spending even a single Rupee for either augmentation or strengthening the generating or transmission and distribution capacity. We have already take-up study of Western Railway repair work shop at Lower Parel and expecting the order before March 2005..
This example proves that working with poor power factor is a criminal national loss, which must be avoided. Here it is worth pointing out that we were the first agency to carry out this job for any Indian railway work shop in India.
Similarly most of the traction sub-stations in India of Indian railways suffer heavily due to low power factor. It is an inherent characteristic of the locomotives that their P.F. is very low. We had carried out a power analysis study At Bhadli Sub-station near Jalgaon in Maharashtra. It can be very well seen that the system P.F. is as low as 0.72. The analysis report is attached herewith. Till now there was no solution available in India. We have taken up this job and the project is near completion.
At present we have only M/S ABB ltd as our competitors. But the market is huge and can absorb a number of such manufacturers. We also feel that our technology is much superior technically and economically in comparison to that of ABB. More over our technology has been proved in railways at Parel work shop, where as M/S ABB do not have any such proof

 

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