DETECTION METHOD AND ASSOCIATED DEVICE

DE602021031309T2Active Publication Date: 2025-05-21HUAWEI DIGITAL POWER TECH CO LTD
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Patent Information

Application Number
DE602021031309
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-01-22
Publication Date
2025-05-21
Estimated Expiration
2041-01-22

AI Technical Summary

Technical Problem

Current methods for detecting wiring errors in combiner systems of converters are inadequate, especially when voltage information at the combiner point cannot be obtained, as they require additional modules and are not compatible with all combiner devices, leading to increased costs and complexity.

Method used

A detection method using a primary controller that compares output port voltage signals of converters to determine if they are connected to the same combiner device by establishing a preset matching relationship, allowing for quick and accurate identification of wiring errors without needing voltage information from the combiner point, using a master and slave converter configuration and communication via wireless or wired signals.

Benefits of technology

Enables rapid and accurate determination of wiring errors in combiner systems without requiring voltage detection modules at the combiner point, simplifying the process and reducing costs by relying solely on converter port voltage information, applicable to various types of combiner devices.

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Abstract

A detection method and a related apparatus are provided. Whether a first converter and a second converter are connected to a same combiner device (101 or 102) is determined by determining an output port voltage signal of the first converter and an output port voltage signal of the second converter, so that first information or second information is generated and notified to staff. Generally, if a first converter and a second converter in a combiner system are not connected to a same combiner device (101 or 102), it may be considered as that a wire connection of the first converter or the second converter is incorrect. In the detection method and the related apparatus, whether there is a wiring error in the combiner system of the converters can be quickly and accurately determined in an application scenario in which voltage information at a combiner point (103 or 104) cannot be obtained.
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