One of many worst energy outages confronted by Pakistan final week was precipitated because of poor upkeep and subsequent failure of the safety system within the nationwide grid, the Daybreak reported on Monday. The newspaper reported that senior officers held detailed discussions after many cities and cities throughout Pakistan plunged into darkness Saturday night time following a serious technical fault within the nation’s energy era and distribution system.
The officers admitted that the blackout had uncovered the mismanagement on the a part of the federal government in working your complete energy sector of the nation on an advert hoc foundation, it mentioned.
The chief government officers of all of the three key corporations involved — the Central Energy Era Firm-Guddu, the Nationwide Transmission and Dispatch Firm (NTDC) and the Nationwide Energy Management Centre (NPCC) — have been engaged on advert hoc or performing cost foundation for years.
The Central Energy Era Firm (CPGC) runs the Guddu Energy Station the place the preliminary technical fault was reported to have taken place, resulting in Karachi, Rawalpindi, Lahore, Islamabad, Multan and different locations going through the blackout.
The NTDC operates the nation’s nationwide grid whose safety system ought to have reacted to the Guddu station’s tripping and remoted the fault. Its system, meant to cease the transmission frequency from dropping, apparently didn’t work ensuing within the cascading closure of all the facility crops throughout the nation in a matter of seconds.
The NPCC screens the move of electrical energy from energy crops to varied distribution corporations (Discos). It has to handle provide techniques for correct load and frequency balancing.
Even the Discos are working with out common chief government officers for greater than two and a half years, the newspaper mentioned.
The NTDC is with out a common chief government officer since July 2017 whereas NPCC has not seen a full-time CEO for greater than a decade. The NPCC chief, engaged on a short lived foundation, was employed final yr from the personal sector.
The nation’s Prime Minister Imran Khan has reportedly expressed displeasure over non-filling of the posts in energy corporations.
human error triggered the huge outage was not directly confirmed by Engineer Hammad Amer Hashmi on Sunday when he suspended seven staff of the Guddu station working underneath plant manager-III and blamed them for negligence.
At a information convention, Vitality Minister Omar Ayub Khan mentioned the breakdown occurred because of a technical fault on the Guddu station, which resulted in frequency declining from 50 to zero inside seconds.
Officers mentioned the preliminary fault appeared to have occurred on the Guddu station’s switchyard, however the safety system of the transmission community didn’t reply to the fault.
The transmission system ought to have rejected the load from Guddu station via an automated safety mechanism, however apparently this didn’t occur due to poor or inadequate upkeep and non-washing of transmission traces.
The Guddu-Sibi transmission line has been a well-recognized hassle spot due to excessive fog and different environmental points and has seen tripping up to now as properly.
The safety system had been separating southern and northern elements of the nation’s grid up to now.
“That is clearly a failure of the safety system,” mentioned a retired senior officer.
He mentioned the transmission traces was washed yearly, typically repeatedly, relying on the fog in winters. He additionally referred to as into query the previous authorities claims that the safety system had been improved, significantly after the 2015 breakdown.
Had the system been improved it might have gone into an island mode. Saturday’s energy outage was the third such incident since 2015, which meant the safety system was both not upgraded or the improve was inadequate, mentioned the retired officer.
In the meantime, the officers mentioned the transmission community had been synchronised for now, however your complete transmission and distribution community would take a while, perhaps till Monday, to utterly stabilise as repeated load swings had been being witnessed in lots of elements of the nation.