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Electric motors generate power and torque, provide positional feedback, and assist in motor operation. Electric motors include AC induction motors and DC motors. AC induction motors draw power and torque with electromagnetic induction and typically come in three-phase units. DC motors generate mechanical torque with DC voltage in lighter applications. DC motors have simpler speed controls and require less maintenance.
Electric Motor Controls
Electric motor controls regulate motor speed, torque, and acceleration in electromechanical systems. Soft starters control motor acceleration during startup to protect AC electric motors. They reduce electrical current surge, torque, and load in the powertrain and minimize mechanical wear. Soft starters have built-in protection features to maintain consistent voltage when used in compressors, conveyors, pumps, and other heavy-duty machinery. Variable frequency drives control motor speed and torque in electromechanical systems. They adjust the motor’s input frequency and voltage and monitor and regulate input loads to prevent surges. Servo drives provide controlled power to electric servomechanisms, monitor and regulate power flow, and give motor feedback. Servo drives come with encoders to identify unwanted motion or confirm the motor is operating correctly.
Interface & Feedback Devices
A human interface device (HID) is a method by which a human interacts with an electronic information system either by inputting data or providing output. A myriad of HID devices exist. The most common are the keyboards, mice, computer speakers, webcams and headsets. All devices providing an interface between the user and computer machines are considered HIDs.
It is an integral part of a user interface, which more academically may be called a human-computer interface (HCI) or more generically as a interface device.
Cable, Wire & Installation Components
Cable and wire products include portable cord used in portable machinery, coaxial and data cable used for transmission lines, and cable assemblies which reduce installation time.
Electrical Testing & Measurement
Electrical testing and measurement products include electrical circuit testers, used to test the functionality and integrity of outlets; and multimeters, which can test a range of measurements such as resistance, current, and voltage.
a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby stopping or interrupting the current. It is a sacrificial device; once a fuse has operated it is an open circuit, it must be replaced or rewired, depending on type.