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116 - Operating Time Analysis of an Injector by Evaluating the Reduction
in Eddy Currents
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Module:TR |
2011-07-12 |
A solenoid type injector used in engines opens a valve and injects fuel
by moving a plunger with magnetic force created by an electromagnet.The
response for the applied voltage is evaluated to improve the fuel consumption
by maintaining the flow of fuel dispersed by an injector into an engine.Evaluating
ways to reduce the eddy currents to improve the response characteristics
of an injector is advantageous because the eddy currents produced by the
currents slow the response of the injector.
This example presents the use of a magnetic field analysis to obtain the
response characteristics of a solenoid type injector by evaluating ways
to reduce the amount of eddy currents.
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109 - Operating Time Analysis of an Electromagnetic Relay Accounting for
Eddy Currents
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Module:TR |
2011-01-17 |
Electromagnetic relays are devices that connect and disconnect contact
points physically using an electromagnet.The magnetic attraction that activates
the relay is generated by the magnetomotive force, which is expressed by
the product of coil turns and current.The operating time can be calculated
from the magnetic attraction at the moveable core using an equation of
motion.This example presents the use of a magnetic field analysis to evaluate
the operating time of an electromagnetic relay driven by direct current
accounting for the eddy currents.
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66 - Operating Time Analysis of an Injector
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Module:DP |
2011-07-12 |
Solenoid injectors used for engines are mechanisms that spray fuel through
the valve which opens when the plunger is moved by magnetic force from
an electromagnet. Injectors in engines need to respond quickly to applied
voltage to improve fuel consumption by maintaining the fuel flow. In solenoid
injectors, one factor causing the response delay is eddy currents produced
by the current flow. This note presents the use of magnetic field analysis
to obtain the response characteristics of a solenoid injector.
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36 - Operating Time Analysis of an Electromagnetic Relay
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Module:TR |
2011-02-28 |
Electromagnetic relays are devices that connect and disconnect contact
points physically using an electromagnets.?The magnetic attraction that
activates the relay is generated by the magnetomotive force, which is expressed
by the product of coil turns and the current. The operating time can be
calculated from the magnetic attraction using an equation of motion. This
note presents the use of a magnetic field analysis to evaluate the operating
time of a DC relay.
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