Brushless motors have their armature windings on the stator and the field on the rotor. They rely on internal noncontact sensing devices to activate external commutating electronics.
A linear motor generates force only in the direction of travel. Linear motors are capable of extremely high speeds, quick acceleration, and accurate positioning.
A servo motor is one in which the output movement is measured, fed back, and compared to some desired input function, at which point corrections are made to decrease the error between the two. Servo motors need to rapidly respond to changes in speed and position, which require high acceleration and deceleration rates. Servo motors also need to respond to small changes in control signal.
A motor in which the rotor has no permanent magnets or windings. When one of the four phases of the stator is energized, the closest set rotor poles (made up of reluctance magnets) is pulled into alignment. The switched reluctance motor along with the four-phase converter is meant to be used as a precise speed control device. This motor type is similar to reluctance step motors.
This type of motor is designed to exert a rated torque, rather than a rated power. They are frequently operated in a stalled condition to maintain tension on conveyors, take-ups, and similar apparatus. Continuous stalled operation causes heat generation to be a significant issue, occasionally requiring external cooling fans.
Electric motor used to provide the drive to a locomotive or train axle. The traction motor is mounted close to the axle and transmits power through a reduction gearbox. Used in diesel-electric and electric systems.
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For use with three-phase power, motors provide efficient service for moderate to hard to start equipment such as pumps, blowers, and air-compressors.
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For unlisted specialized applications or industry use.
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Supplier can assist with concepts, manufacturing costs, manufacturing techniques and material considerations. Supplier may also be able to assist in upgrading or redesigning, re-evaluating or modernizing existing products to increase performance and/or reduce manufacturing costs. Some suppliers offer material sourcing and CAD modeling as well.
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The CE-marking is a regulatory community sign that has to be obligatorily affixed on industrial products conforming to European Union standards. However, the CE-mark is not yet a quality mark.
The CSA Mark may appear alone or with indicators. If it appears alone, it means that the product is certified for the Canadian market, to the applicable Canadian standards. If this Mark appears with the indicator "C and US" or "NRTL/C" it means that the product is certified for both the U.S. and Canadian markets, to the applicable U.S. and Canadian standards.
The International Engineering Consortium (IEC) publishes and maintains standards for electrical product conformity testing and certification. Motors are only one area among many hundreds of electrical products for which the IEC has published standards.
In 1987, International Standards Organization (ISO) 9000 standards were developed to ensure those companies' products and services have consistent, documented approaches that meet the European community's quality requirements.
ISO 9001 sets out the requirements for an organization whose business processes range all the way from design and development, to production, installation and servicing.
ISO 9002 is a quality assurance model made up of quality system requirements. This model applies to organizations that produce, install, and service products. ISO expects organizations to apply this model, and to meet these requirements, by developing a quality system.
Underwriters Laboratories (UL) Marks are used only on component parts that are part of a larger product or system. These components may have restrictions on their performance or may be incomplete in construction. Products intended for Canada carry the Recognized Component Mark "C."
The Association for Electrical, Electronic & Information Technologies, a non-profit association for electrical science and technology, publishes standards and certification requirements for many electrical and electronic components.
Motor designs include unlisted certifications or standards.
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