Electrical Motor is free app for Electric Motor Rewinding wiring diagrams with complete description, motor symbols, electrical motor calculations, Electrical convert and other useful reference for Electric Motor Rewinding projects.Electrical motor rewinding app is a Electrical Motor Wiring Diagram how to wire or repair an electric motor , calculate, wiring diagram and convert unite Watts / Volts / Amps / Ohms Ohm law calculator , KW TO HP, (horsepower )hp to kw, Watts to joules , Watts to kWh ,kW to kj, kW to kVAThis application included of information on: Electric motor calculator Motor speed calculator electric Motor Nombre of pole calculator electrical Motor Frequency motor calculator Motor Horsepower motor calculator Electrical calculator convert Watts / Volts / Amps / Ohms (ohms law calculator ) convert KW TO HP (horsepower ) convert hp to kw convert Watts to joules convert Watts to kWh convert kW to kj convert kW to kVA Motor wiring diagram ON OFF Three Phase Motor Connection REV FOR Three Phase Motor Connection Power Star Delta 3-phase Motor Automatic starter with Timer 3 Phase Motor Star Delta Reverse Forward with Timer Start & Stop of 3-Phase Motor from more than One Place Control 3-Phase Motor from more than Two buttons 2 Speeds 1 Direction 3 Phase Motor basic Electric Motor Symbols Instrumentation Symbol Wiring Diagram Electric Motor Symbol Basic Electrical Symbol Instrumentation Symbol Circuit diagram SymbolOther refference on this app:Induction Motor: AC Electrical Machineselectrical engineering ac and dc motorelectric motor formulas and calculationselectrical motor rewinding appelectrical motor bookElectrical Motor calculator Wiring Diagramelectrical motor calculatorelectrical motor controlelectrical motor connectionElectrical Induction Motor Calculatorelectric motor designElectrical Motor calculator Wiring Diagramelectric motor wiring diagramelectrical engineering ac and dc motorelectrical engineering ac and dc motorelectric motor formulas and calculationselectrical motor in hindielectrical motor in hindi
Ac Motor Winding Software Free
Electrical Motor is free app for Electric Motor Rewinding wiring diagrams with complete description, motor symbols, electrical motor calculations, Electrical convert and other useful reference for Electric Motor Rewinding projects.
Electrical motor rewinding app is a Electrical Motor Wiring Diagram how to wire or repair an electric motor , calculate, wiring diagram and convert unite Watts / Volts / Amps / Ohms Ohm law calculator , KW TO HP, (horsepower )hp to kw, Watts to joules , Watts to kWh ,kW to kj, kW to kVA
EASA's AC Motor Verification & Redesign - Ver. 4 software has been further refined and now contains and is fully integrated with EASA's Motor Rewind Database. This makes it the perfect program to lookup motor data, to verify existing winding data, and to perform motor winding redesigns.
A brushless DC electric motor, also known as an electronically commutated motor, is a synchronous motor using a direct current (DC) electric power supply. It uses an electronic controller to switch DC currents to the motor windings producing magnetic fields which effectively rotate in space and which the permanent magnet rotor follows. The controller adjusts the phase and amplitude of the DC current pulses to control the speed and torque of the motor. This control system is an alternative to the mechanical commutator (brushes) used in many conventional electric motors.
An electric motor develops torque by keeping the magnetic fields of the rotor (the rotating part of the machine) and the stator (the fixed part of the machine) misaligned. One or both sets of magnets are electromagnets, made of a coil of wire wound around an iron core. DC running through the wire winding creates the magnetic field, providing the power which runs the motor. The misalignment generates a torque that tries to realign the fields. As the rotor moves, and the fields come into alignment, it is necessary to move either the rotor's or stator's field to maintain the misalignment and continue to generate torque and movement. The device that moves the fields based on the position of the rotor is called a commutator.[4][5][6]
In brushed motors this is done with a rotary switch on the motor's shaft called a commutator.[4][6][5] It consists of a rotating cylinder or disc divided into multiple metal contact segments on the rotor. The segments are connected to conductor windings on the rotor. Two or more stationary contacts called brushes, made of a soft conductor such as graphite, press against the commutator, making sliding electrical contact with successive segments as the rotor turns. The brushes selectively provide electric current to the windings. As the rotor rotates, the commutator selects different windings and the directional current is applied to a given winding such that the rotor's magnetic field remains misaligned with the stator and creates a torque in one direction.
In brushless DC motors, an electronic servo system replaces the mechanical commutator contacts.[4][6][5] An electronic sensor detects the angle of the rotor and controls semiconductor switches such as transistors which switch current through the windings, either reversing the direction of the current or, in some motors turning it off, at the correct angle so the electromagnets create torque in one direction. The elimination of the sliding contact allows brushless motors to have less friction and longer life; their working life is only limited by the lifetime of their bearings.
A typical brushless motor has permanent magnets that rotate around a fixed armature, eliminating problems associated with connecting current to the moving armature. An electronic controller replaces the commutator assembly of the brushed DC motor, which continually switches the phase to the windings to keep the motor turning. The controller performs similar timed power distribution by using a solid-state circuit rather than the commutator system.
Brushless motors offer several advantages over brushed DC motors, including high torque to weight ratio, increased efficiency producing more torque per watt, increased reliability, reduced noise, longer lifetime by eliminating brush and commutator erosion, elimination of ionizing sparks from the commutator, and an overall reduction of electromagnetic interference (EMI). With no windings on the rotor, they are not subjected to centrifugal forces, and because the windings are supported by the housing, they can be cooled by conduction, requiring no airflow inside the motor for cooling. This in turn means that the motor's internals can be entirely enclosed and protected from dirt or other foreign matter.
Brushless motor commutation can be implemented in software using a microcontroller, or may alternatively be implemented using analog or digital circuits. Commutation with electronics instead of brushes allows for greater flexibility and capabilities not available with brushed DC motors, including speed limiting, microstepping operation for slow and fine motion control, and a holding torque when stationary. Controller software can be customized to the specific motor being used in the application, resulting in greater commutation efficiency.
Environments and requirements in which manufacturers use brushless-type DC motors include maintenance-free operation, high speeds, and operation where sparking is hazardous (i.e. explosive environments) or could affect electronically sensitive equipment.
Controllers that sense rotor position based on back-EMF have extra challenges in initiating motion because no back-EMF is produced when the rotor is stationary. This is usually accomplished by beginning rotation from an arbitrary phase, and then skipping to the correct phase if it is found to be wrong. This can cause the motor to run backwards briefly, adding even more complexity to the startup sequence. Other sensorless controllers are capable of measuring winding saturation caused by the position of the magnets to infer the rotor position.[citation needed] 2ff7e9595c
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