In a spinning mill it is very important to maintain the spindle utilization at high levels. During the periods of power cut, in order to maintain the higher spindle utilization, mills have to use captive power.
The extent of use of captive power would depend up on the extent of power cut imposed. Though most of the mills are equipped with diesel gensets, the high cost of diesel oil becomes a hindrance to utilize them.
Since power cost is the second largest component, next only to raw material cost, in the cost of production of a spinning mill, even a marginal increase in power cost per unit would have a significant impact on profit.
During power cut periods, mills have to invariably stop some ring frames and run the remaining frames at normal speed. But this would result in huge losses to the mills. An option is available to the mills to run all the ring frames at reduced speeds. This would result in substantial savings as compared to the first option.
During one study it is observed that during power cut, running all the ring frames at reduced spindle speeds would result in substantial savings when compared to stopping some frames and running the remaining frames at usual speeds.
It is observed that the possible savings are Rs. 250 per spindle per year in 20s, 30s and 40s counts and Rs. 300 to Rs. 330 per spindle per year in 50s, 80s and 100s counts. These savings are possible only because of the increase in the quantum of production.
Northern India Textile Research Association
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