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A brushless DC electric motor (BLDC), also known as an electronically commutated motor, is a synchronous motor using a direct current (DC) electric power supply. It uses an electronic controller to switch DC currents to the motor windings producing magnetic fields that effectively rotate in space and which the permanent magnet rotor follows.
Nevertheless, BLDC motors have come to dominate many applications: Consumer devices such as computer hard drives, CD/DVD players, and PC cooling fans use BLDC motors almost exclusively. Low speed, low power brushless DC motors are used in direct-drive turntables. High power BLDC motors are found in electric vehicles and some industrial machinery.
Eileen O'Neill Burke is an American lawyer, politician, and former judge serving Cook County State's Attorney since 2024. She was previously a justice on the Illinois First District Appellate Court and a judge on the Circuit Court of Cook County.
This is a list of law enforcement agencies in the state of Illinois.. According to the US Bureau of Justice Statistics' 2018 Census of State and Local Law Enforcement Agencies, the state had 846 law enforcement agencies employing 48,240 sworn police officers, about 379 for each 100,000 residents.
Some types of brushless DC electric motors use Hall effect sensors to detect the position of the rotor and feed that information to the motor controller. This allows for more precise motor control. Hall sensors in 3 or 4-pin brushless DC motors sense the position of the rotor and to switch the transistors in the right sequence. [25]
The Department of Justice has indicted former President Trump on dozens of counts of mishandling classified documents. The indictment has renewed protests from GOP lawmakers and allies of the ...
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