Rolling blackouts in California have power experts stumped

Post by paloaltokid » Mon, Aug 17, 2020, 8:49 PM UTC

meroes wrote: post #38

nimbius wrote: post #3

as someone who apprenticed as a lineman briefly, this isnt at all unexpected. Just because you have generating capacity, does not always mean you have capacity in the duty cycle for your transmission infrastructure. Many substations are older, and were never designed to handle high duty and load during climate-change driven weather events. These substations suffer from underreporting as they often dont have remote mo…

I am a technician for xfinity in the bay area and NIMBYism a huge part too I would say. Huge portions of Mill Valley especially on and around Mt Tam had such bad poles and vegetation. Only the last 3 fire years did anything. But literally nothing gets approved besides exact replacement. Nothing gets put underground, or rerouted because (as I understand it) mostly NIMBY groups. And I believe ATT ultimately owns most o…

Post by hkmurakami » Mon, Aug 17, 2020, 8:50 PM UTC

meroes wrote: post #38

nimbius wrote: post #3

as someone who apprenticed as a lineman briefly, this isnt at all unexpected. Just because you have generating capacity, does not always mean you have capacity in the duty cycle for your transmission infrastructure. Many substations are older, and were never designed to handle high duty and load during climate-change driven weather events. These substations suffer from underreporting as they often dont have remote mo…

I am a technician for xfinity in the bay area and NIMBYism a huge part too I would say. Huge portions of Mill Valley especially on and around Mt Tam had such bad poles and vegetation. Only the last 3 fire years did anything. But literally nothing gets approved besides exact replacement. Nothing gets put underground, or rerouted because (as I understand it) mostly NIMBY groups. And I believe ATT ultimately owns most o…

Post by quickthrowman » Mon, Aug 17, 2020, 8:52 PM UTC

tln wrote: post #68

The article ends with: “If there’s really a problem and not just the ISO jumping the gun, it’s going to manifest tomorrow,” Mr. Marcus said. “Tomorrow evening, the wolf arrives.” What is that referencing?

Post by leni536 » Mon, Aug 17, 2020, 8:53 PM UTC

hanniabu wrote: post #62

ISL wrote: post #55

Earlier quoted context omitted.

The statement referred to heating driving sagging, which increased resistance. The increase of resistance with temperature is well-known -- I was curious if there is some effect that is directly related to the wire sag (changing morphology, somehow-altered surface area/skin-depth, changing kinks at the connections, some subtlety with increased length (cross-sectional area also increases), etc..).

Theoretically I would thing the sag itself should increase resistance since resistance increases with both length and smaller wire diameter. When the line lengthens the diameter should decrease (similar to stretching a piece of gum or putty).

Post by kelnos » Mon, Aug 17, 2020, 8:55 PM UTC

hackermailman wrote: post #72

pc86 wrote: post #20

Earlier quoted context omitted.

> Wild claims related to electromagnetism basically kill the project at every level. Serious question, why is the answer to this not a slightly-but-not-much-more-polite version of "That's ridiculous, be quiet." and moving forward?

Not enough people are willing to spend time at city hall community hearings and make the voice of reason heard whereas these other people will show up to make demands. Same thing happened here when the city wanted to install free wifi in public parks for students, all the nuts flooded the meetings making ridiculous claims and demands but none of the people who would benefit bothered to show up so they canned the idea…