混合实时仿真技术又称为硬件在环（Hardware In the Loop， HIL）仿真技术作为新兴的仿真技术，受到广泛的关注，其突出的可靠性与准确性已被证明是电力系统规划、设计、装置测试及新能源并网测试等方面的有效手段，然而稳定性与精度问题是HIL仿真技术的关键指标，为了改变HIL仿真的稳定性与精度，提出了几种不同的HIL仿真接口算法，并建立HIL仿真系统模型，分析其稳定性与精度。并分析比较几种不同接口算法对原系统的稳定性与精度的改进，得出最佳的功率接口算法，最终通过仿真来验证所提出的功率接口算法的有效性与准确性。具有极强的工程使用价值，为硬件在环仿真技术的研究、发展提供了基本保障和良好的平台。%Hybrid real-time simulation technology is also called power hardware in loop ( PHIL) simulation technolo-gy, as a new simulation technology , has received widespread attention .Its reliability and accuracy have been proved to be the effective means of power system planning , design , installation testing and new energy grid test .Its stability and accuracy , however , are the key indicators of PHIL simulation technology .This paper firstly established the kilo-watt PHIL simulation platform , then established a mathematic model of the first-order linear PHIL simulation system , and analyzed its stability and accuracy , according to several different power interface algorithms are studied and com-pared.In the end, a suitable power interface algorithm is put forward .The validity and accuracy of the proposed pow-er interface algorithm are verified through the simulation test .With a strong engineering use value , it provides the bas-ic security and a good platform for the hardware in research and development of the loop simulation technology .
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