electric machine
An electric machine electric machine is a device that converts electrical energy into another energy, or electrical energy but witha different presentation, this energy going through a period of storage in a magnetic field. They are classified into three groups:generators, motors and transformers. Generators transformmechanical energy into electricity, while motors convert electrical energy into mechanical spinning axis. The engine can beclassified into a DC motor or AC motor. Transformers andconverters retain the form of energy but transform theircharacteristics. An electrical machine has a magnetic circuit and two circuits. Usually one of the circuits is called excitation,because being run by an electric current produces amperivueltasnecessary to create the flow established in the whole machine.From a mechanical view, the electric machines can be classified into static and rotating: Rotating machines are equipped withrotating parts, such as generators, alternators, engines. Staticmachines do not have moving parts, such as transformers.
A. .- Generators transform mechanical energy into electricity.They settle in
power stations (CC.EE.) and the various transport equipment
as cars, airplanes, ships, etc.. In THE EC generators are
mechanically driven turbines that can be steam or
hydraulic, and in transport equipment by combustion engines
internal or steam turbines. In a case series generators are used
as an energy source for communication equipment, devices
automatic measurement, and so on.
B. .- The electrical motors that convert electrical energy into
mechanical energy, used to operate various machines, mechanisms and
devices that are used in industry, agriculture, communications, and
household appliances. In modern control systems the
motors are used in devices as governors, control, and
regulators and / or programmable.
C. Electromechanical converters transform the ca .- d.c. and vice versa
varying the voltage magnitude (V), both ca as d.c., frequency (f)
number of phases and others. Are widely used in industry but in
decades has decreased demand due to the use of converters
semiconductors (power electronics).
D. .- Electromechanical compensators generate or absorb reactive power
(Q) in electric power systems to improve rates
energy (φ power factor, voltage levels) in the interconnections
and load centers.
E. .- Electromechanical amplifiers are used to control equipment
great power, with low power electrical signals that are
transmitted to the excitation windings (control). Its use has also
decreased.
F. .- Electromechanical signal converters, generators and transformers
amplify different signals. Are designed and projected as
micromotors and widely used different control equipment
power stations (CC.EE.) and the various transport equipment
as cars, airplanes, ships, etc.. In THE EC generators are
mechanically driven turbines that can be steam or
hydraulic, and in transport equipment by combustion engines
internal or steam turbines. In a case series generators are used
as an energy source for communication equipment, devices
automatic measurement, and so on.
B. .- The electrical motors that convert electrical energy into
mechanical energy, used to operate various machines, mechanisms and
devices that are used in industry, agriculture, communications, and
household appliances. In modern control systems the
motors are used in devices as governors, control, and
regulators and / or programmable.
C. Electromechanical converters transform the ca .- d.c. and vice versa
varying the voltage magnitude (V), both ca as d.c., frequency (f)
number of phases and others. Are widely used in industry but in
decades has decreased demand due to the use of converters
semiconductors (power electronics).
D. .- Electromechanical compensators generate or absorb reactive power
(Q) in electric power systems to improve rates
energy (φ power factor, voltage levels) in the interconnections
and load centers.
E. .- Electromechanical amplifiers are used to control equipment
great power, with low power electrical signals that are
transmitted to the excitation windings (control). Its use has also
decreased.
F. .- Electromechanical signal converters, generators and transformers
amplify different signals. Are designed and projected as
micromotors and widely used different control equipment
Electric machine. Motor and alternator.
An electric machine is a rotating device that converts electrical energy into mechanical energy (then called electric motor) ormechanical energy into electricity (then called generator). These machines, both motor and generator are based on the study ofelectromagnetic phenomena of many important scientists werethe Danish physicist Hans Christian Oersted in 1820 found that between magnetism and loads of electric current flowing through a conductor there was a close relationship and Michael FaradayEnglish who discovered the phenomenon of electromagnetic induction.
The following video is a great teaching tool in which we can support to the functioning of both the electric motor as agenerator based on electromagnetic phenomena.
An electric machine is a rotating device that converts electrical energy into mechanical energy (then called electric motor) ormechanical energy into electricity (then called generator). These machines, both motor and generator are based on the study ofelectromagnetic phenomena of many important scientists werethe Danish physicist Hans Christian Oersted in 1820 found that between magnetism and loads of electric current flowing through a conductor there was a close relationship and Michael FaradayEnglish who discovered the phenomenon of electromagnetic induction.
The following video is a great teaching tool in which we can support to the functioning of both the electric motor as agenerator based on electromagnetic phenomena.
