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Yeah I found that part the most concerning. Basically RWE don't have any clue why they tripped even more than a month on from the event, and apparently have to
by repolfx 7y ago
Yeah I found that part the most concerning. Basically RWE don't have any clue why they tripped even more than a month on from the event, and apparently have to wait for their next scheduled outage to make progress? That's not good.
There also seem to be multiple faults at once that they don't know anything about. Turbine trip? No clue, could be bad sensors, could have been some actual physical problem in the turbine. Overpressure in the condenser? No clue, could be anything. Second generator tripped? Dunno boss.
Implies that don't have enough sensor coverage and are hoping to literally eyeball something wrong when they next open it up. Also implies they can't shut down their own plant to diagnose apparent faults in anything like a reasonable timeframe? Not good.
Also worth noting - Newcastle Airport were totally fine on their UPS but demanded to be considered a priority customer anyway, and that request was granted? Why? They clearly don't need to be, they have a working UPS!
Honestly I'd be sending this report back for more work if I were the boss guy receiving it. It's not good. Filled with repetition, bad grammar, missing information (why did London Underground shut down, what was this 'internal traction issue') and most seriously it leaves a gaping hole around Little Barford.
- michaelt 7y agoThey clearly don't need to be, they have a working UPS! The impression I get from the data centre outages reported here on HN is that backup generators are about the least reliable thing in IT.
- repolfx 7y agoYeah, but most places don't have UPS at all. If Newcastle Airport can survive a power outage but other places cannot, why should it be prioritised?
- michaelt 7y agoBecause the airport's UPS+Generator is only, say, 99% effective. And a 1% chance of losing power to air traffic control and runway lights is worse than a 100% chance of 1000 homes having their dinner spoiled by the cooker turning off.
- cesarb 7y ago> backup generators are about the least reliable thing in IT. Not just in IT, as the Badim Hospital fire (with 11 dead and IIRC over 70 wounded) two days ago shows.