Northern power grid collapses due to low frequency

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Rupnagar, Oct 12 (UNI) The Northern Power grid collapsed this afternoon due to low frequency and subsequent evacuation problem, resulting in tripping of all the hydro and thermal units of Punjab, Haryana, Jammu and Kashmir, Himachal Pradesh and BBMB.

Large parts of Punjab, Haryana, Himachal Pradesh, Jammu and Kashmir and Chandigarh remained without power for about three hours this afternoon due to grid failure, Punjab State Electricity Board (PSEB) officials here today said.

In Punjab, all the five operative units of the thermal plant at Rupnagar, two units of Lehra Mohabbat thermal plant and three units of Bathinda thermal plant tripped at about 1250 hours today due to low frequency problems.

All the hydro power units of BBMB and PSEB were also affected.

The only exception was Dehar Hydro project in Himachal Pradesh and Panipat thermal unit.

After the revival of hydro units by BBMB ,the revival of thermal units at Rupnagar was started at around 1500 hrs. The revival of other thermal units was in progress and all the units are likely to start functioning by midnight.

According to a senior PSEB officials, the exact cause of grid failure would be known after detailed analysis of the complete record.

Last month, when frequency of the grid touched 48.5 due to overdrawing by a number of states, supply to many areas of Delhi was switched off to avoid grid failure . At that time, the energy experts felt that if the demand and supply gap continued it might endanger the stability of northern grid. At that time, nine states in the northern region were overdrawing power from the northern grid.

Repeated warnings by Northern Region Load Dispatch Cell has had no effect on the power drawing states. If the states continue to over draw like this, it will lead to grid collapse plunging the entire region into darkness, PSEB officials warned.


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