Rotating Magnetic Field

Rotating Magnetic Field: Rotating Magnetic Field - It was seen earlier that the sinusoidal current in any phase of an ac winding produces a pulsating mmf wave in space whose…

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Types of Electromagnetic Relays

Types of Electromagnetic Relays: There are two principal Types of Electromagnetic Relays: Attracted armature type; and Induction type. (a) Attracted Armature Type: This includes plunger, hinged armature, balanced beam and…

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Rotating Machines Articles

Rotating Machines Articles: 2 Pole DC Machine : Figure 5.13 shows a 2 Pole DC Machine Diagram with a single coil rotating armature. It may ... Current sheet Concept :…

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Magnetic Flow Meters

Magnetic Flow Meters: Magnetic Flow Meters are the first type of flowmeters to be considered for high corrosive applications and for applications involving measurement of erosive slurries. These meters work…

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Rotating Electrical Machines

Rotating Electrical Machines: We Know that electromechanical energy conversion takes place whenever a change in flux is associated with mechanical motion. Speed voltage is generated in a coil when there…

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Define Permanent Magnet in Magnetic Circuits

Define Permanent Magnet in Magnetic Circuits: Define of Permanent Magnet is an important excitation source (life long) commonly employed for imparting energy to magnetic circuits used in rotating machines and…

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