Generally, hydraulic and pneumatic motors are organized along similar principles. The internal engineering of each is quite different, but the operating philosophies are very similar. Axial-piston ...
Electric motors are said to consume nearly 50% of the world's electricity. Industry is focused on replacing inefficient constant-speed drives and motors with microprocessor-driven variable-speed units ...
The thyristor d.c. drive remains an important speed-controlled industrial drive, especially where the higher maintenance cost associated with the d.c. motor brushes (c.f. induction motor) is tolerable ...
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