Sage-Tips

Why do wind turbines have flashing red lights?

The lights sit atop wind turbines and blink every few seconds to alert pilots flying in the dark. The radar-based technology is known as an “aircraft detection lighting system.” It sits atop a tower within a wind farm and communicates to the surrounding turbines when the lights should start blinking.

What are the flashing red lights in West Texas?

The blinking red lights mark the country’s new behemoths—wind power turbines.

What are the red lights on wind turbines?

Operating at just 20W, the series of lights is said to offer the lowest power consumption of any L-864 product (FAA designation for a flashing red obstruction light, 20 to 40 flashes per minute) to help save energy and reduce operating costs.

What are the red flashing lights?

FLASHING RED—A flashing red signal light means exactly the same as a stop sign: STOP! After stopping, proceed when safe and observe the right-of-way rules. YELLOW ARROW—A lighted red arrow is about to appear. Stop if you are not already in the intersection.

Why are wind turbine lights synchronized?

In any windfarm, the beacon lights are there to warn planes (mostly) of their presence. If they blink out of sequence, the flashing lights are like a blinking Christmas tree, and it is harder for a pilot to distinguish any individual light.

How are windmills synchronized?

The gearbox output shaft turns the shaft of a generator. The generator connects to the utility grid through conversion circuits that change the ac it generates to dc, and finally to ac synchronized with the grid frequency. A transformer then boosts the output to about 30 kV for insertion onto the grid.

What are the flashing lights in Texas?

Flashing Lights: Creating Safe Interactions Between Citizens and Law Enforcement is a product of the Texas Community Safety Education Act (Senate Bill 30), passed by the 85th Texas Legislature. The goal of the act is to define the behavior and expectations of citizens and law enforcement during traffic interactions.

Why is the traffic light blinking red?

Explanation A flashing red light at an intersection means drivers are required to come to a complete stop, yield to traffic and pedestrians, and proceed when the way is clear. The same is true at a stop sign.

How do you treat a flashing red light?

Flashing Red: If the traffic signal is flashing red, treat it as a stop sign and come to a complete stop at the intersection. Look carefully in all directions before proceeding. Other directions may have a different type of signal indication.

What are the flashing red lights in Kansas?

Flashing traffic signals. (a) Whenever an illuminated flashing red or yellow light is used in a traffic signal or with a traffic sign it shall require obedience by vehicular traffic as follows: (1) Flashing red (stop signal).