Method for determining at least one characteristic parameter of a component of a dc transformer by means of an electronic computing device and electronic computing device

By adjusting the characteristic parameters of the DC transformer, the problem of insufficient dynamic performance at the low-voltage level was solved, and a DC transformer with high dynamic performance at the low-voltage level was realized, which can effectively compensate for power fluctuations and maintain voltage stability.

CN115917347BActive Publication Date: 2026-07-03BAYERISCHE MOTOREN WERKE AG

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BAYERISCHE MOTOREN WERKE AG
Filing Date
2021-07-07
Publication Date
2026-07-03

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Abstract

The present invention relates to a method for determining at least one characteristic parameter of a component of a DC transformer (10) for an on-board electrical network of a motor vehicle (14) using an electronic computing device (16), wherein a first transfer function of a high-voltage-low-voltage DC transformer (12) is determined based on the small-signal behavior of the high-voltage-low-voltage DC transformer (12), and a second transfer function of the DC transformer (10) is determined based on the first transfer function such that the DC transformer (10) has at least one characteristic substantially the same as that of the high-voltage-low-voltage DC transformer (12), and the at least one characteristic parameter of the component of the DC transformer (10) is determined based on the determined second transfer function; the characteristic parameter is determined such that the DC transformer (10) has a step response substantially the same as that of the high-voltage-low-voltage DC transformer (12); and / or the characteristic parameter is determined such that the DC transformer (10) has a Bode plot substantially the same as that of the high-voltage-low-voltage DC transformer (12). The invention also relates to an electronic computing device (16).
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