中文摘要：

在智能电网环境下，状态数据具有广域、全景、海量和可靠的特征，传统的存储硬件采用磁盘阵列，数据库管理软件采用关系数据库系统的方法，由于该系统扩展性差、成本高、可靠性低，难以适应要求，提出了针对智能电网海量的分布式状态监测数据的一种基于云计算技术的新型检索技术，并以绝缘子泄漏电流为例，介绍了该系统的构架及其与传统检索技术的比较，对比实验表明，随着数据量的增大，新方法检索速度优势越来越明显。

英文摘要：

In the environment of the smart grid, state data has the features of the wide-area, panoramic, mass and reliable, disk array is used by the traditional storage hardware, and the method of relational database systems is used by database management software, these lead poor system scalability, high cost, and low reliability, so they are difficult to meet requirements. A new retrieval technology based on cloud computing for vast amounts distributed state monitoring data of smart grid is proposed, and take insulator leakage current for example, the architecture of the system and the comparison of traditional information retrieval technology are introduced. Comparative experiments show that, with the increase of data amount, the advantage of the new method retrieval speed is more and more obvious.