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辽宁省电力有限公司要求对大连地方电厂的自动化信息实现自动采集,由于部分电厂地理位置偏僻,采用数据专网进行信息采集的方案,预计需要投入资金1.22亿元,从经济角度考虑难以实现。为此,提出了基于GPRS技术的信息无线采集方案。通过可行性分析,GPRS技术完全可以满足信息采集的经济性和实时性的要求。此项目在2009年10月圆满完成,在12月通过安全防御试验,试验证明系统的安全分区和隔离措施可以有效阻止外界的攻击侵害,避免重要信息的泄露。从2010年1～6月的运行情况看,信息的采集和传输准确、稳定,表明偏远电厂利用GPRS技术实现无线采集的方案是可行的。
Liaoning Provincial Electric Power Co., Ltd. demanded automated acquisition of automated information from local power plants in Dalian. Due to the remote location of some power plants and the data collection network using data private networks, a total investment of 122 million yuan is estimated to be difficult to achieve economically. To this end, proposed based on GPRS wireless information acquisition program. Through the feasibility analysis, GPRS technology can fully meet the requirements of economic and real-time information collection. The project was successfully completed in October 2009 and passed the security defense test in December. The test proves that the system’s security zoning and isolation measures can effectively prevent outside attacks and prevent the leakage of important information. From January to June 2010, the operation conditions show that the collection and transmission of information are accurate and stable, which shows that the remote power plant using GPRS technology is feasible for wireless acquisition.