Examples of 'field weakening' in a sentence
Meaning of "field weakening"
In the context of electric motors, field weakening refers to the technique of controlling the magnetic field in the motor to allow it to operate efficiently at speeds higher than its rated speed
How to use "field weakening" in a sentence
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field weakening
Work in the area of field weakening and breaking.
Field weakening in the control of the induction machine.
Combined field weakening.
Field weakening operation in permanent magnet synchronous motors.
Automatic field weakening.
Field weakening by tapping.
Can be used for limiting motor power in field weakening operation.
Field weakening allows an electric machine to operate beyond the designed frequency of excitation.
System and pipeline stress detection system based on field weakening technology.
In particular, the field weakening resistances had a tendency to overheating and fires.
Maximal instantaneous torque is not available in the field weakening range of the speed.
Field weakening to limit speed from the inherent properties of the motor ;.
Capacity for bursts of torque should not be confused with field weakening capability.
Furthermore, reluctance torque and field weakening effect are efficiently and practically utilized.
The speed of a DC motor can be increased by field weakening.
See also
The field weakening control, however, requires an additional electrical power to negate the induced voltage.
In the electric motorcycle 1 is performed field weakening control.
This may naturally realize the field weakening operation, resulting in efficient operation of the motor 5.
The r-axis current is relevant to the field weakening operation.
Fig . 8 is a graph showing the difference between characteristics with and without field weakening.
Patent document 7 proposes a technique of carrying out field weakening without flowing a field weakening current.
Enclosed retention solenoids with retention forces of 40N to 1400N . Permanent magnets available with electrical field weakening.
As the invertible voltage decreases, the field weakening current increases.
U / F RATIO Selects the voltage to frequency ( U / f ) ratio below the field weakening point.
That is, so-called field weakening is performed.
Alternatively, i EPMATHMARKEREP can be varied to provide field weakening control, if desired.
For the synchronous motor, however, the field weakening factor was fixed at F 2.
Communication information When set to OFF, the load dependent field weakening function is switched off.
Figure 10 illustrates a flow diagram of field weakening method.
Figure 10 illustrates a flow diagram of field weakening decission.
The magnetization flux reference to block 412 is generated by the field weakening control block 410.
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