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Monday, September 12, 2011

Power utilities learn a lesson or two from grid collapse

As the world remembers the September 11, 2001, attack on twin towers of World Trade Centre in New York, power utilities in the Southern States of India recollect the collapse of grid the same day, plunging many parts of the four States into darkness for a few years.
Ever since the grid collapsed, the utilities employed “intelligent” solutions backed by information technology tools. This includes SCADA or Supervisory Control and Data Acquisition system. The IT tools are also handy in analysing faults and sending the reports to crisis management teams for necessary action to rectify such faults.
“The power utilities have learnt a lesson or two from that collapse and put in systems to pre-empt such collapses. The Southern power grid is now secure as it conforms to Indian Electricity Grid Code that calls for round-the-clock monitoring, alertness, fault analysis and maintenance,” Mr Dinesh Kumar, Principal Secretary (Energy Department, Government of AP), said here in a statement.
Looking back at the September 11 crisis, the Energy Department found fault with an error in the power network in a “neighbouring State” that had led to cascading impact on all the Southern States.
“There has been not a single power blackout (read grid collapse) in the South ever since,” the Energy Department claimed.

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