Direct hanging type large-capacity electric energy quality comprehensive managing device for electrified railway
A technology for electrified railways and power quality, applied to circuit devices, electrical components, harmonic reduction devices, etc., to achieve the effects of improving operational reliability, reducing conducted electromagnetic interference, and reducing device costs
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[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0032] like figure 1 As shown, the direct-mounted large-capacity power quality comprehensive treatment device for electrified railways of the present invention includes an active compensation system and a passive compensation system; wherein, the passive compensation system includes two passive high-pass filters for filtering In addition to high-order harmonics (above the 13th order, not including the 13th order), and provide some capacitive reactive power. The active compensation system is composed of multiple compensation units connected in parallel. To simplify the analysis, this embodiment takes only two parallel active compensation units as an example, that is, active compensation unit A and active compensation unit B. The topological structure of active compensation unit A and active compensation unit B is exactly the same, bot...
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