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2. Electromagnetically induced acoustic noise - Wikipedia

   en.wikipedia.org/wiki/Electromagnetically...

   resistors: the braking resistors of electric trains, used to dissipate electrical power when the catenary is not receptive during braking, can make electromagnetically induced acoustic noise; coils: in magnetic resonance imaging, "coil noise" is that part of total system noise attributed to the receiving coil, due to its non-zero temperature.

3. Electromagnetic clutch - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_clutch

   Most, but not all, automobile air conditioning systems are switched on and off by using an electromagnetic clutch. To activate the compressor the clutch is activated. This connects the air conditioning compressor's shaft end to a pulley driven by the engine's crankshaft through a belt.

4. Inverter compressor - Wikipedia

   en.wikipedia.org/wiki/Inverter_compressor

   In air conditioning, an inverter compressor is a compressor that is operated with an inverter. In the hermetic type, it can either be a scroll or reciprocating compressor . This type of compressor uses a drive to control the compressor motor speed to modulate cooling capacity.

5. Variable-frequency drive - Wikipedia

   en.wikipedia.org/wiki/Variable-frequency_drive

   Small variable-frequency drive Chassis of above VFD (cover removed). A variable-frequency drive (VFD, or adjustable-frequency drive, adjustable-speed drive, variable-speed drive, AC drive, micro drive, inverter drive, variable voltage variable frequency drive, or drive) is a type of AC motor drive (system incorporating a motor) that controls speed and torque by varying the frequency of the ...

6. Variable-speed air compressor - Wikipedia

   en.wikipedia.org/wiki/Variable-speed_air_compressor

   If a variable speed drive compressor operates continuously at full speed, the switching losses of the frequency converter result in a lower energy efficiency than an otherwise identically sized fixed speed compressor. Where demand remains constant within 5–15% of the total free air delivery flow rate, dual-control compressors configured in a ...

7. If you purchased these potato chips in the past 8 years, you ...

   www.aol.com/news/purchased-potato-chips-past-8...

   Customers who purchased Deep River brand potato chips labeled “Non-GMO Ingredients” may be eligible for a cash payment from a class action settlement.

8. Should You Stop Drinking Coffee Every Day? Experts Weigh In - AOL

   www.aol.com/stop-drinking-coffee-every-day...

   There are a handful of things most of us do every day upon waking up: brush our teeth, scroll on our phones, enjoy a cup of coffee.For many, that cup of coffee is a non-negotiable, whether you ...

9. Start-stop system - Wikipedia

   en.wikipedia.org/wiki/Start-stop_system

   A start-stop system off button on a Perodua Myvi. A vehicle start-stop system or stop-start system (also known as S&S, micro hybrid, or micro hybrid electric vehicle (μHEV)) [1] automatically shuts down and restarts the internal combustion engine to reduce the amount of time the engine spends idling, thereby reducing fuel consumption and emissions.