Method for suppressing overvoltage between current converter bridges and system thereof
A converter bridge and overvoltage technology, which is applied in the direction of DC network circuit devices, electrical components, circuit devices, etc., to achieve the effect of increasing complexity and suppressing the generation of overvoltage between bridges
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[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.
[0024] see figure 1 , figure 2 and image 3 Shown is an embodiment of the method for suppressing the overvoltage between converter bridges of the present invention. The method for suppressing the overvoltage between converter bridges in this embodiment includes the following steps:
[0025] Step S101: Measure the current value of the neutral bus of the converter, and decompose to obtain the current amplitude of the 24th harmonic component, and according to the converter transformer of the single 12-pulse valve group in the double 12-pulse valve group and the The tot...
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