ARTICLE
3 September 2026

Human–AI Collaborative Decision Model for Low-Voltage Diagnosis and Closed-Loop Mitigation in Distribution Transformer Areas

Biwei Li1 Caiyu Zhang2* Xianwen Zhang1 Yexuan Liang1
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1 Zhaoqing Power Supply Bureau, Guangdong Power Grid Co., Ltd., Zhaoqing 526000, Guangdong, China
2 Guangdong Technology College, Zhaoqing 526100, Guangdong, China
JERA 2026 , 10(8), 80–93; https://doi.org/10.26689/JERA.v10i8.15208
© 2026 by the Author. Licensee Whioce Publishing, Singapore. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution 4.0 International License ( https://creativecommons.org/licenses/by/4.0/ )
Abstract

Low-voltage mitigation in distribution transformer areas is rarely a single-step technical problem. Field diagnosis, plan selection, and post-implementation review are often handled separately, limiting the reuse of operational evidence and professional judgment. We recast mitigation as a six-stage human–AI closed loop linking state sensing, causal diagnosis, collaborative decision-making, implementation, effectiveness evaluation, and knowledge updating. For each candidate measure, the model considers data reliability, AI diagnostic confidence, human judgment reliability, and implementation risk. An expected-loss criterion assigns a machine-led, human–AI collaborative, or human-led mode. Safety and engineering constraints screen the available measures, after which an uncertainty-aware score identifies the preferred plan–mode pair. Evidence collected after implementation updates causal probabilities and the cause–measure knowledge base. Three constructed scenarios illustrate how decision authority moves from machine-led analysis toward professional control as implementation risk rises or diagnostic evidence weakens. These cases establish the internal consistency of the decision logic; they do not demonstrate improved field accuracy. The framework provides a transparent basis for subsequent calibration and validation with operational data.

Keywords
Distribution transformer area
Low-voltage mitigation
Human–AI collaboration
Decision support
Closedloop feedback
Artificial intelligence
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