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This motor drive has the ability of flow the power both in the positive as well as the negative direction of the injected voltage. [1] The Scherbius Drive is an electrical drive system invented by Arthur Scherbius, a German engineer known for his work in electrical engineering and cryptography (he also invented the Enigma machine).
A cam is a rotating or sliding piece in a mechanical linkage used especially in transforming rotary motion into linear motion. [ 1 ] [ 2 ] It is often a part of a rotating wheel (e.g. an eccentric wheel) or shaft (e.g. a cylinder with an irregular shape) that strikes a lever at one or more points on its circular path.
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.
Rotary transformers are often used instead of slip rings in high-speed or low-friction environments. [3] A slip ring can be used within a rotary union to function concurrently with the device, commonly referred to as a rotary joint. Slip rings do the same for electrical power and signal that rotary unions do for fluid media.
A rotary encoder, also called a shaft encoder, is an electro-mechanical device that converts the angular position or motion of a shaft or axle to analog or digital output signals. [1] There are two main types of rotary encoder: absolute and incremental. The output of an absolute encoder indicates the current shaft position, making it an angle ...
Prior to the development of the rotary transformer, a slip-ring pickup was used, though this was prone to developing signal noise due to corrosion of the slip rings. A rotary (rotatory) transformer is a specialized transformer used to couple electrical signals between two parts that rotate in relation to each other. [1]
A flexible shaft, often referred to as a flex shaft, is a device for transmitting rotary motion between two objects which are not fixed relative to one another. It consists of a rotating wire rope or coil which is flexible but has some torsional stiffness.
A rotary union is a union that allows for rotation of the united parts. It is thus a device that provides a seal between a stationary supply passage (such as pipe or tubing) and a rotating part (such as a drum, cylinder, or spindle ) to permit the flow of a fluid into and/or out of the rotating part.