以川藏电力联网工程为背景对电网工程项目质量管理风险进行研究，提出包括项目干系人维度、项目全生命周期维度、项目质量管理流程维度的三维度质量管理风险管控体系，构建基于贝叶斯网络的电网工程质量管理风险评价模型，结合专家调研意见，识别出质量保证体系不健全、各干系人企业间沟通不足等关键的质量管理风险因素，并分别从事前、事中、事后3个方面有针对性地提出应对措施。

Power grid project quality risk management is studied on the background of Tibet electricity interconnection project. Put forward three dimensional quality management risk control system including project stakeholders dimension, project life cycle dimension, project quality management process dimension. The risk evaluation model of power grid project quality management based on Bayesian network is constructed, combined with the proposal of experts, then the key quality management risk factors such as the non-perfect quality assurance system and the lack of communication between the stakeholders are identified. The countermeasures of risk factors for the key quality management before, matter and afterwards three aspects id put forward.

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