This paper introduces the active defense policy based on risk assessment technology into safe protection of electric power information network. 本文将基于风险评估技术的主动防御策略引入电力信息网络的安全防护中。
The exploration and application of microprocessor relay protection testing equipment has a great active significance to improve relay testing level prevent incorrect action of relay protection and automation equipments and to ensure the safety operation of electric network. 微机保护测试装置的开发与应用对提高继电保护测试水平、防止继电保护及安全自动装置不正确动作、保障电网安全运行有着积极的现实意义。
This paper introduced a new kind of active electric filter, which can be used in the rural electric harmonic pollution control, starting from the view points of maintaining green agricultural electric environment and ensuring the safety of rural electric network operation. 浅谈农用电网线损管理从维护绿色农村电力环境、确保农用电网运行安全的角度出发,介绍了一种新颖的用于消除农用电力谐波污染的有源电力滤波器。
The fundamental principle of Active Power Filter is to measure the harmonic current from the compensation object, the compensation installation will generate a compensation current that equal to the harmonic current but the polarity is opposite, so the electric network current only contains fundamental component. 有源电力滤波器的基本原理是从补偿对象中检测出谐波电流,由补偿装置产生一个与该谐波电流大小相等而极性相反的补偿电流,从而使电网电流只含基波分量。
The fifth chapters recommended the follow-up work of harmonic project-the development of active power filter and the research of electric power management based on the techniques of network. 第五章简要介绍了谐波课题的后续研究工作&综合有源滤波系统的开发以及基于网络技术管理的电力系统的研究。
It is active in the Northeast electric network to mitigate the difficulty of peak regulation and lack of peak power, of which the steam power unit excessively takes part in peak regulation. 对缓解东北电网以火电为主,调峰难,缺少尖峰电力,火电机组过多地参与调峰的困难状况有积极作用。
The distribution system change from passive network to active electric network after the distributed generation ( DG) connected to the system. It changes the flow, losses and the node voltage of the network and affects the safety and economic of the operation. 分布式电源接入配电系统后,配电系统由无源网络变成有源网络,将改变原有网络潮流、网损和节点电压,影响配电系统的安全和经济运行。
The method of application of marine combined electrical power plant to the electrical power station, together with the application of combined active power factor correction circuit and series active power filter aided by shunt passive power filter to the electric network, is brought forward. 提出了采用船舶多模式电站进行供电,并采用一种混合有源滤波与功率因数校正电路用于船舶电网以改善电能质量的方法。