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A permanent magnet motor is a type of electric motor that uses permanent magnets for the field excitation and a wound armature. The permanent magnets can either be stationary or rotating; interior or exterior to the armature for a radial flux machine or layered with the armature for an axial flux topology.
A Wildland fire module (WFM), formerly fire use module (FUM), is a 7–10 person team of firefighting personnel dedicated to planning, monitoring and starting fires. They may be deployed anywhere in the United States for resource benefits (fire use), prescribed fire and hazard fuel reduction projects.
Except for permanent magnet generators, a generator produces output voltage proportional to the magnetic flux, which is the sum of flux from the magnetization of the structure and the flux proportional to the field produced by the excitation current. If there is no excitation current the flux is tiny and the armature voltage is almost nil.
December 7, 2017: Wray defends the FBI. Four months after Wray is sworn in as the eighth director of the FBI, he publicly defends the agency from Trump’s criticism of its role in investigating ...
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A fire alarm control panel Fire alarm speaker and pull station. Fire alarm systems are composed of several distinct parts: Fire alarm control panel (FACP), or fire alarm control unit (FACU): This component, the hub of the system, monitors inputs and system integrity, controls outputs, and transmits information.
Victor Wembanyama scored eight of his 42 points in overtime and the San Antonio Spurs outlasted the Atlanta Hawks 133-126 on Thursday night. Wembanyama was 13 for 24 from the field, going 7 of 15 ...
25 hostess gifts from Walmart are way better than a bottle of wine