Archive for the ‘Electrical System’ Category:

2020-07-07 PG&E “Stranded Assets” Baloney

This article << Meanwhile, California utility Pacific Gas & Electric has declared support for a potential statewide ban on natural gas in new buildings to “avoid investments in new gas assets” that might be left stranded by the state’s push for a zero-carbon economy by 2045. >> I think this “stranded assets” is nonsense. The

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2020-06-19 Renewables Used To Replace Base Loads; Coal Too Costly

Article on GreenTechMedia about how the UK is creating “renewable generators.” <<Renewable Generators Are the UK’s Latest Tool to Smooth Out Renewable Generation. Yes, you read that right. The argument against all-renewables grids takes another blow.>> https://www.greentechmedia.com/amp/article/renewable-generators-are-uks-latest-tool-to-smooth-out-renewable-generation . Oops! https://www.popularmechanics.com/technology/infrastructure/a20972/worlds-largest-solar-plant-sets-itself-on-fire/ Coal fired power plants are at a tipping point vs renewables https://news.yahoo.com/amphtml/coal-reaching-tipping-point-vs-renewables-analysis-135400624.html

2020-06-11 Optocouplers Don’t Always Protect

From FB comment Monty Ross It’s true that optocouplers are used for isolation. But I have seen whole sections of PC boards with a hole burned where the optocouplers used to be. It is incredible how much damage the power lines do to the PC boards due to high voltage spikes in the power. Transformers

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2018-08-01 Almost Electrocuted by HV

From FB group Bell Telephone… Aug 1 We got to move into our new computer center bldg in ’96, and the old bldg was being demolished. Two guys were jack hammering in a ditch when I drove by going to another site. When I came back later, they were gone but all the equipment was

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2018-07-18 Storage Batteries For Renewable Energy Systems

Reply left on comments for a YouTube Ted talk by Sadoway on molten magnesium – molten salt – molten antimony storage battery David Tiessen Long ago I calculated that the number of solar panels to populate such a large area would be in the billions. But saying it would have to be the size of

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2016-07-26 Surge Protectors

I have read about, discussed and experienced how surge protectors work and don’t work, and have written about it before, but Ill try again to explain. Ripoff The most egregious thing surge protectors do is take your money. One of the highest, if not the highest profit margin devices in your home is a surge

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