Three-phase high-frequency harmonic generator
A generation device and three-phase high-frequency technology, which is applied to harmonic reduction devices and AC networks to reduce harmonics/ripples, etc., can solve the problems of large volume, small voltage amplitude, and inconvenient portability, and achieve Guaranteed interference effect, small size, easy to carry effect
Active Publication Date: 2018-03-09
NINGBO SANXING MEDICAL & ELECTRIC CO LTD
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Problems solved by technology
The above-mentioned high-frequency harmonic test device has the following disadvantages: the table body is very inconvenient to carry because of its large size
And the harmonic frequency output by the platform is limited to 3-21 times the power frequency, resulting in a small voltage amplitude, which affects the interference effect of high-frequency harmonics
Although the frequency of the signal generator is adjustable, its output voltage amplitude is small, which will also affect the interference effect of high-frequency harmonics
Method used
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[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0018] Such as figure 1 , figure 2 , image 3 , Figure 4 As shown, a three-phase high-frequency harmonic generation device of the present invention includes a three-phase isolation transformer connected to the mains and a three-phase harmonic generation device electrically connected to the product under test; the three-phase isolation transformer Connected with a three-phase harmonic generator; the three-phase harmonic generator includes a control circuit, a feedback circuit, and a main circuit connected to a three-phase isolation transformer, and the main circuit is connected to a control circuit and a feedback circuit; The control circuit is also connected with the feedback circuit. That is to say, the control circuit controls the main circuit to generate a variable power frequency and a large voltage amplitude, and the power frequency ...
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The invention discloses a three-phase high-frequency harmonic generator, which comprises a three-phase isolating transformer and a three-phase harmonic generator, wherein the three-phase isolating transformer is connected with electric supply; the three-phase harmonic generator is electrically connected with a tested product; the three-phase isolating transformer is connected with the three-phase harmonic generator; the three-phase harmonic generator comprises a control circuit, a feedback circuit and a main circuit; the main circuit is connected with the three-phase isolating transformer; the main circuit is connected with the control circuit and the feedback circuit; and the control circuit is also connected with the feedback circuit. The three-phase high-frequency harmonic generator is convenient to carry; and the frequency and the amplitude can be adjusted.
Description
technical field [0001] The invention relates to a generating device for outputting high-frequency harmonics to a power frequency grid, specifically a three-phase high-frequency harmonic generating device. Background technique [0002] The three-phase high-frequency harmonic generation device in the prior art is generally a table body and a signal generator. The above-mentioned high-frequency harmonic testing device has the following disadvantages: the platform is very inconvenient to carry because of its large volume. Moreover, the harmonic frequency output by the platform is limited to 3-21 times the power frequency, resulting in a small voltage amplitude, which affects the interference effect of high-frequency harmonics. Although the frequency of the signal generator is adjustable, its output voltage amplitude is small, which will also affect the interference effect of high-frequency harmonics. Therefore, based on the above reasons, there is an urgent need for a three-ph...
Claims
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IPC IPC(8): H02J3/01
CPCH02J3/01Y02E40/40
Inventor 郑坚江郑哲刘龙光马勋王伟杰何军凡
Owner NINGBO SANXING MEDICAL & ELECTRIC CO LTD