基于SQL Server代理(SQL Server Agent),提出一种实用于地区电网自动电压无功控制(AVC)系统的备份方案,根据地区电网数据库的特点进行分类备份,通过定期清除日志和过期数据文件的方式,有效地解决了地区电网AVC系统日志溢出问题,大大提...基于SQL Server代理(SQL Server Agent),提出一种实用于地区电网自动电压无功控制(AVC)系统的备份方案,根据地区电网数据库的特点进行分类备份,通过定期清除日志和过期数据文件的方式,有效地解决了地区电网AVC系统日志溢出问题,大大提高数据备份效率,基于FTP协议实现地区电网AVC子站与主站系统之间的备份异地传输,改善了恢复点目标(RPO)和恢复时间目标(RTO),提高了整个AVC系统的容灾能力。基于SQL Server Agent编写了应用程序,在实际地区电网AVC系统的应用证明,该备份方式具有操作简单、成本低的特点,备份效果良好,满足地区电网AVC系统对数据备份与恢复的要求。展开更多
A multi-parameter real-time monitoring scheme for power transmission line is proposed and experimentally demonstrated.The Fiber Bragg Grating(FBG)sensors are used to sensing the information of temperature and strain i...A multi-parameter real-time monitoring scheme for power transmission line is proposed and experimentally demonstrated.The Fiber Bragg Grating(FBG)sensors are used to sensing the information of temperature and strain in the power transmission lines system,and a monitoring center based on client–server model is established to process and display the sensing information.Several FBG-based power transmission line temperature sensors interrogated based on the developed multi-parameter real-time monitoring scheme is experimentally investigated.The result shows that the system is very useful.展开更多
文摘基于SQL Server代理(SQL Server Agent),提出一种实用于地区电网自动电压无功控制(AVC)系统的备份方案,根据地区电网数据库的特点进行分类备份,通过定期清除日志和过期数据文件的方式,有效地解决了地区电网AVC系统日志溢出问题,大大提高数据备份效率,基于FTP协议实现地区电网AVC子站与主站系统之间的备份异地传输,改善了恢复点目标(RPO)和恢复时间目标(RTO),提高了整个AVC系统的容灾能力。基于SQL Server Agent编写了应用程序,在实际地区电网AVC系统的应用证明,该备份方式具有操作简单、成本低的特点,备份效果良好,满足地区电网AVC系统对数据备份与恢复的要求。
文摘A multi-parameter real-time monitoring scheme for power transmission line is proposed and experimentally demonstrated.The Fiber Bragg Grating(FBG)sensors are used to sensing the information of temperature and strain in the power transmission lines system,and a monitoring center based on client–server model is established to process and display the sensing information.Several FBG-based power transmission line temperature sensors interrogated based on the developed multi-parameter real-time monitoring scheme is experimentally investigated.The result shows that the system is very useful.