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Direct-drive mechanisms are used in applications ranging from low speed operation (such as phonographs, telescope mounts, video game racing wheels and gearless wind turbines) [14] [15] [16] to high speeds (such as fans, computer hard drives, VCR heads, sewing machines, CNC machines and washing machines.)
A DC motor is an electrical motor that uses direct current (DC) to produce mechanical force. The most common types rely on magnetic forces produced by currents in the coils. Nearly all types of DC motors have some internal mechanism, either electromechanical or electronic, to periodically change the direction of current in part of the motor.
The Houston Fire Department operates Station 13 Oak Forest at 2215 West 43rd Street; Station 13 is part of Fire District 31. [13] Houston Fire Station 13, 1976 Fire Station 13, 1950. The area is within the Houston Police Department's North Patrol Division with headquarters at 9455 West Montgomery Road. The Near North Storefront is located at ...
Independence Heights is a community in Houston, Texas, bordered by 40th Street to the north, Yale Street to the west, the 610 Loop to the south, and Airline Drive to the east. [1] The Super Neighborhood boundary created by the City of Houston is bordered by Tidwell to the north, Shepherd Drive to the west, the 610 Loop to the south, and ...
A DC motor consists of two parts: a rotor and a stator. [3] The stator consists of field windings while the rotor (also called the armature) consists of an armature winding. [ 4 ] When both the armature and the field windings are excited by a DC supply, current flows through the windings and a magnetic flux proportional to the current is produced.
1909 500 kW Westinghouse rotary converter. A rotary converter is a type of electrical machine which acts as a mechanical rectifier, inverter or frequency converter.. Rotary converters were used to convert alternating current (AC) to direct current (DC), or DC to AC power, before the advent of chemical or solid state power rectification and inverting.
A general description of DC-DC converters; U.S. based 50 Hz, 60 Hz, and 400 Hz frequency converter manufacturer Archived 2020-02-21 at the Wayback Machine; GlobTek, Inc. Glossary of electric power supply and power conversion terms
Superconducting electric machines are electromechanical systems that rely on the use of one or more superconducting elements. Since superconductors have no DC resistance, they typically have greater efficiency. The most important parameter that is of utmost interest in superconducting machine is the generation of a very high magnetic field that ...