DC generator set speed regulation and constant voltage method
A technology of DC generators and generator sets, which is applied in the direction of engine control, machine/engine, mechanical equipment, etc. It can solve the problems of linear decline, large volume, complex structure, etc., and achieve the effect of constant output voltage
Active Publication Date: 2014-10-08
FEIERTE ENERGY DONGGUAN CO LTD
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Problems solved by technology
The DC voltage generated by the DC generator set decreases linearly with the increase of the electrical load (that is, the output current increases).
Therefore, only ensuring the constant speed of the DC generator set does not guarantee the constant output voltage
[0003] The constant voltage regulation of the traditional DC generator output voltage is adjusted by the excitation magnetic field or the output voltage is regulated by the switching power supply. The traditional voltage regulation method has the disadvantages of large size, heavy weight, complex structure, and complicated manufacturing process.
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[0012] In this example, refer to figure 1 and figure 2 , the method of speed regulation and constant voltage of the DC generator set, when the electric load increases, the output voltage of the DC generator set decreases linearly, and the control system adjusts the throttle electromagnetic actuator of the internal combustion engine accordingly according to the information fed back from the voltage sensitivity, increasing the fuel supply Increase the speed of the internal combustion engine by a certain amount to increase the output voltage of the DC generator, thereby ensuring a constant output voltage of the DC generator set; and vice versa; that is, the effect of constant voltage is achieved through repeated speed adjustment.
[0013] Wherein, the control system is a stabilized electronic speed regulator, and its working principle is: compare the set rated working voltage with the actual voltage of the DC generator measured by the voltage measuring element, and the compariso...
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The invention discloses a method for maintaining voltage of a direct current power generator set by speed adjustment. When an electric load is increased, output voltage of the direct current power generator set is linearly reduced, and a control system correspondingly adjusts an accelerator electromagnetic performer in an internal combustion engine according to voltage sensitive feedback information to increase fuel supply quantity to increase rotation speed of the internal combustion engine to increase the output voltage of the direct current power generator set so as to ensure the constant output voltage of the direct current power generator set, and vice versa, namely, the rotation speed of the internal combustion engine is adjusted repeatedly to realize the voltage maintaining effect. Because the control system correspondingly adjusts the accelerator electromagnetic performer in the internal combustion engine according to the voltage sensitive feedback information to increase the fuel supply quantity to increase the rotation speed of the internal combustion engine to increase the output voltage of the direct current power generator set so as to ensure the constant output voltage of the direct current power generator set, and vice versa, the voltage maintaining effect can be realized by adjusting the rotation speed of the internal combustion engine repeatedly.
Description
technical field [0001] The invention relates to a method for speed regulation and constant voltage of a DC generator set. Background technique [0002] When the internal combustion engine drives the DC generator to rotate, the DC generator will generate DC power, and the higher the speed, the higher the voltage will be, and the output voltage will change in direct proportion to the speed. The DC voltage generated by the DC generator set decreases linearly with the increase of the electrical load (that is, the output current increases). Therefore, only ensuring the constant speed of the DC generator set does not guarantee the constant output voltage. [0003] The traditional constant voltage adjustment of the output voltage of the DC generator is adjusted by the excitation magnetic field or the output voltage is regulated by the switching power supply. The traditional voltage adjustment method has the disadvantages of large size, heavy weight, complex structure, and complica...
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IPC IPC(8): F02D29/06
Inventor 杨日全
Owner FEIERTE ENERGY DONGGUAN CO LTD
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