So I am wondering if the infrasonic waves of the wind turbines in california caused cancer. It seems that everything else in that state does. What effect do those waves have on wildlife?? Or on anybody except those who are easily irritated? The truth is that there are some people always looking for a fight. It is best to avoid them.

 

So I am wondering if the infrasonic waves of the wind turbines in california caused cancer. It seems that everything else in that state does. What effect do those waves have on wildlife?? Or on anybody except those who are easily irritated? The truth is that there are some people always looking for a fight. It is best to avoid them.

What did Google say - answers and opinions on all of your questions are available.

 

I don't think the TS is concerned about infra-sonic waves as much as may be about the frequency of generated power. I don't know if WT's (wind turbines) produce DC and is then inverted to AC or if the generators (or alternators) are producing 60Hz sine waves. RPM of the blades is likely geared up to meet the needed RPM of the - um - generator? I believe the blade angles are adjustable to maintain a certain rotational speed to match the production of AC from an alternator (not a generator which produces DC).

My Honda generator is just that - a generator. It has an inverter to produce the AC. When the load is light the engine RPM's drops to conserve fuel but when the demand goes up the engine RPM's pick up quite a bit. It all depends on the load. So I'm wondering if the WT's are producing AC - or - DC with an inverter. Nevertheless, you need not be concerned about your brain.

 

Windmills causing cancer? That is just another example of Trump speaking through the wrong orifice.

Unlikely because that everything causes Cancer originated in California.

https://www.popsci.com/california-coffee-cancer-warning/
California needs to stop saying everything causes cancer

This is, however, pretty much in line with California’s general attitude toward labels and warnings. Their Department of Public Health also warned parents about the radiation from cell phones causing cancer, even though countless international public health institutions say that it doesn’t. The same thing happened with glyphosate, a popular herbicide, which they thought was carcinogenic even though thorough reports suggest it’s safe. The state has a history of taking one or two studies to inform their better-safe-than-sorry stance, even if the overall body of evidence contradicts those reports.

By California’s logic, all sorts of things should have warning labels. We wanted to make a joking list of ridiculous items that would need a cautionary sign according to Prop 65—but then we did our research. Turns out the state of California already slaps a warning on just about everything. Here’s just a small sample of everything that could kill you out west:

https://www.realclearscience.com/ar...nia_human_breath_is_a_cancer_risk_110736.html
In California, Human Breath Is a Cancer Risk

 

Windmills cause cancer

How can you refute an authority like that?

 

Windmills cause cancer

How can you refute an authority like that?

Seems he spent too much time in California.

 

I read it to mean a new wind farm of 18 units will be put in service in 3 weeks.

Actually, discharged from the vessel, right now approaching Magellan Strait bound to Bahía Blanca from China.

Commisioning, snow/wind excluded, could take about 2 months.

 

Actually, discharged from the vessel, right now approaching Magellan Strait bound to Bahía Blanca from China.

Love those Amazon tracking numbers!

 

There was a problem in the North Birmingham Alabama area back a few years ago. Described at times as a very loud humming sound that kept people awake at night and generally gave some a sense of unease or worse. It went on for several months/years without a source being found and a lot of speculation as to the cause, both physical and paranormal. After several months of bringing in various professionals to determine what the sound was and the source of it, it was finally determined to be from newly installed huge mine exhaust ventilators that had been installed on the Jim Walter Coal Mines ventilation shafts in the area. Yes, subsonic and sonic noise that was blamed for just about everything imaginable. Of course, Jim Walter had the "Deep Pockets" envied by the lawyers seeking reparation payments for damages both physical and mental. I don't remember what the sound-dampening engineering solution was but Jim Walter spent millions remediating the noise being generated.

 

Love those Amazon tracking numbers!

Not Amazon here.

Simple as this: in your PC (mobile not reccomended), type

www.marinetraffic.com

Then enter

Da Xin

or if you prefer

Scheherazade

Free of charge. Enjoy

 

Returning to the discussions about the generating equipment in those wind-turbine systems, consider the frequencies and wavelengths, and that all of that generating hardware is at the top of that quite high tower. Consider also that the transmission from above to ground level is done with balanced conductors, which tend to cancel radiated energy.
All this points towards there being no hazard for folks on the ground, but possibly serious concerns for those folks working inside the enclosure on top.
Thus, clearly the serious hazard is being hit by any birds impacted by the blades and falling to the ground. The impact damage from being hit by such would be serious!

 

Not Amazon here.

Simple as this: in your PC (mobile not reccomended), type

www.marinetraffic.com

Then enter

Da Xin

or if you prefer

Scheherazade

Free of charge. Enjoy

It was a joke, implying the wind farm was ordered on Amazon. But I do think it is cool that they can tell me when the guy arrives on my street. Same with GrubHub.

 

Is it the propeller/generator being unbalanced or the air whipping past the tower mast that causes the infrasounds? Both?

 

There was a problem in the North Birmingham Alabama area back a few years ago. Described at times as a very loud humming sound that kept people awake at night and generally gave some a sense of unease or worse. It went on for several months/years without a source being found and a lot of speculation as to the cause, both physical and paranormal. After several months of bringing in various professionals to determine what the sound was and the source of it, it was finally determined to be from newly installed huge mine exhaust ventilators that had been installed on the Jim Walter Coal Mines ventilation shafts in the area. Yes, subsonic and sonic noise that was blamed for just about everything imaginable. Of course, Jim Walter had the "Deep Pockets" envied by the lawyers seeking reparation payments for damages both physical and mental. I don't remember what the sound-dampening engineering solution was but Jim Walter spent millions remediating the noise being generated.

Years ago I heard a story about a "Drum Fish" in the waters off a coast in Florida. At night through the ground neighbors would hear a sound I can best translate to type as "Goom - Goom - - - - - Goom - Goom". Some residents described it as a sound they could only hear when they were laying in bed at night, laying on their side with their ear pressed into the pillow. Others were able to hear the sound a little bit louder. It took them a long time to finally figure out it was male Drum Fish and their mating calls. I'll see if I can find the story, but it's been many years.

 

It is not a balance issue. This is in response to post #54.
That was stated long ago: It is the disruption of passing the support column. Balancing the prop is always done. But mechanical failures do happen.

 

Found something similar:
black drum fish florida sounds

On another note about 60Hz and wind generators - we have a whole lot of equipment in our homes that operates on 60Hz (50Hz in other countries). There is far more exposure to EM fields in our own homes than there is standing a few hundred yards from a wind turbine.

 

It was a joke, implying the wind farm was ordered on Amazon. But I do think it is cool that they can tell me when the guy arrives on my street. Same with GrubHub.

OK, I got your point Bob.

That web service is based on the info provided automatically by vessels of most of the categories via satellite / terrestriaL stations. If you are interested google AIS and MMSI.

When I quit ships, 30++ years ago , we were still using CW to pass our ETA to Charterers, Owners and Agents. And little before I was still using the sextant to obtain our position.

 

It is not a balance issue. This is in response to post #54.
That was stated long ago: It is the disruption of passing the support column. Balancing the prop is always done. But mechanical failures do happen.

The original post is directed at EM fields and brains. I don't know if subsonic sound can cause issues but I do recall an episode on Myth Busters where they tried to find the "Brown Note", the one that is supposed to be able to make a person take a dump in their pants. MB failed to find such a note. But I have heard of infrasonic weapons being used by federal agents with their nausea causing sound beams pointed at barricaded suspects.

After reading This there may be some validity to the TS question. Though it may not be due to EM fields, but rather to infrasonic's.

 

On the note of power generation and how it's done. Actually some of these wind turbines produce DC and not small units either. The 2.5 MW unit I mentioned earlier and linked to is among the largest on the North American Continent. The turbine outputs 690 volts direct current, converted to 4,160 volts AC on the ground for use in Lincoln's shops. The 4160 VAC is a popular voltage for large scale industrial use. The inverter systems are on the ground in the actual factory. Ground to turbine hub is about 279 feet and each blade is about 165 feet. Anyway the turbine itself is a DC generator with the AC coming later and not from the turbine. It's been running about 10 years now and I guess doing well. Considering the unit produces 2.5 MW and starts with 690 VDC at full load the current down is over 3.5 thousand amps DC. Some serious conductors in that tube. Anyway the three phase standard 4160 VAC 60 Hz. comes much later in the process. Consider also when this monster went up just over 10 years ago it was the largest power generating wind turbine on the continent.

We also have a Lake Erie Energy Development Corp., or LEEDCo, a nonprofit that is helping guide the effort which is a nightmare. The plan a decade or more ago was to place a wind farm out on the lake offshore. Now consider something, Lake Erie is the shallowest of the 5 great lakes. The eastern basin off Cleveland being the deepest and only averaging 60 feet in depth. During brutal Cleveland, Ohio winters the lake freezes. So now you need to go down 60 feet of water to build a base to support a column in a lake that freezes. Good luck on showing a profit or producing inexpensive electricity.

When Lincoln Electric built their turbine they tried to get two other local companies involves Lubrizol who manufactures lubricants and Progressive Insurance. Both opted out at the time but I noticed Progressive did recently install a solar farm.

"Progressive Insurance announced the creation of an 8.4-acre solar panel array, which will include over 4,000 panels. The company plans to have the new system up and running at its Mayfield Village campus this summer (construction began on March 29). The completed project will help reduce Progressive’s carbon emissions by 4,000 metric tons per year. Progressive contracted with three local companies – Mars Electric, YellowLite Inc. and Preformed Line Products Solar for the installation, design and construction of the solar array". Nothing like the picture and last time I drove past many of the panels had collapsed and during the winter they were snow and ice covered. Oh well someone thought it would be a good idea.

Ron

 

Here in Utah a lot of homes are going solar. We have snow. We also have low angle sunlight during the winter months. The effectiveness of solar panels during the winter is minimal. Plus, if I'm right, Rocky Mountain Power gives credits - not refunds - for electricity produced. AND the credits they give are on the order of some small percentage. I don't have numbers so I can only speak to what I THINK I heard: 6% of what you produce is credited to your bill. And if you were to go 100% off grid, not connected in any way, shape or form - you still have a monthly electric bill to support the infrastructure.

I have yet to go solar, though I've had a few quotes in the $25K range (again, if memory serves).