多源信息融合技术在继电保护中的应用

Application of the Multi-source Information Fusion Technology in Relay Protection

随着电网规模的日益扩大,电力系统已成为一个高阶非线性和高度复杂性的系统,电力系统的故障信息也呈现多样性、随机性、复杂性和深度耦合性。多源信息融合技术的使用,能够有效解决现今继电保护领域中存在的复杂性故障分析难题。首先介绍了多源信息融合技术的原理和在继电保护领域的应用现状;然后从继电保护动作新判据、数据有效性甄别、智能化继电保护等方面,详细分析了多源信息融合技术在继电保护中的利用;最后对多源信息融合技术在继电保护中的未来应用领域进行了展望。

With the continuous development of the power grid,the power system has become a high order nonlinear and highly complex system.The fault information of the power system also presents diversity,randomness,complexity and deep coupling.The application of multi-source information fusion technology can effectively solve the complex fault analysis problems in the field of relay protection.Firstly,this paper introduces the theory of multi-source information fusion technology and its application status in relay protection.Then,this paper describes the utilization of multi-source information fusion technology in relay protection from the new criteria of relay protection theory,data fault tolerance,and intelligent relay protection.Finally,the future application mode of multi-source information fusion technology in relay protection is prospected.