D.A., D., S. L.V., K. S. Reddy, K. Rasagnya, and T. V. N. “A STUDY OF ENERGY FLOW AT AN ELECTRICAL SUBSTATION THROUGH ENERGY AUDIT”. International Journal of Research -GRANTHAALAYAH, vol. 5, no. 4RACEEE, Apr. 2017, pp. 161-5, doi:10.29121/granthaalayah.v5.i4RACEEE.2017.3339.