00278nam a22001217a 4500003000400000005001700004008004100021020001800062040000700080082001400087100001600101245003900117OSt20220128151818.0220128b        |||||||| |||| 00| 0 eng d  a9788131755914  cHU  a621.31b1  aRamana N.V.  aPower System Operation And Control