grid leak
- grid leak的基本解释
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[计] 栅漏
- 相似词
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The experimental results show the validness of the mechanism analyses.2. According to the generation mechanism of the leak acoustic signal, the characteristics of the leak acoustic signal are investigated. The auto correlation technology is adopted to descript the leak signal characteristics due to the ability to analyze the coherence of time series. A new procedure to identify the leak acoustic signal from the disturbed noises is proposed based on the conjunction of correlation and approximate entropy algorithm.3. The principle and application in leak location of the correlation and the adaptive filter techniques are introduced. The problems of the traditional leak location methods are analyzed.4. In order to establish the leak detection signal model, the leak acoustic propagation characteristics are investigated experimentally.
从泄漏声产生机理出发,分析了管道泄漏处湍流拟序结构与空泡间相互作用的机理,认为在该机理作用下,泄漏声信号产生过程具有&不可重复&的特征;由于相关函数具有分析时间序列拟序结构的能力,且近似熵从统计的角度区别时间过程的复杂性,因此,提出将信号相关分析和近似熵理论相结合的方法,提取泄漏声信号&不可重复&的特征,辨识管道泄漏故障发生;在实际检测现场,由于各种管内和管外固定声源噪声(如阀门噪声、工地施工噪声等)常导致泄漏误判和漏点定位错误,重点分析了管内固定噪声源的产生机理和特征,为复杂干扰环境下的泄漏辨识提供理论支持。
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For the current situations that electrical power operation environment is more complex, the power organization reformconstantly, the electricity market is formed step by step, the current electrical equipment is outdate, and for the so many problems that lowenergy efficiency, poor power quality, less interaction between customers and power grid company, this paper defines the smart grid that is suited to China's power grid situation, and summarizes five features for the smart grid such as self-healing, interactive, optimization,compatibility, integration and the differences between smart grid and traditional grid, then introduces the four systems of smart grid and two foundations before building the smart grid, and finally concludes that smart grid is the inevitable result for the economical and technological development.
针对目前电力运行环境的日趋复杂、电力体制改革的不断前进、电力市场的逐步行成、现有的电力设备亟待更新、能源利用率低、电能质量差、用户与电网公司交互作用少等诸多问题,讨论了适合中国电网情况的智能电网的定义,总结出了智能电网自愈、互动、优化、兼容、集成五大特点,概括出了智能电网和传统电网的区别,并详细介绍了构成智能电网的四大体系和建立智能电网的两大基础,最后总结出智能电网是经济和技术发展的必然结果,我国应加快智能电网的研究发展。
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The method employs characteristic values such as hinge node voltage at dividing place between the large district grid and the provincial grid and tie line reactive power and so on as a coordinated variable of wattless control of the large district grid and the provincial grid, and real-timely calculates an optimal set value of the coordinated variable in the large district grid which is sent down to the provincial grid via wide area communication. In the coordinated control of the provincial grid, the method can not only realize the control object of original grid, but can also realtimely track the optimal set value of the coordinated variable given by the large district grid.
本方法选择大区电网与省级电网分界处枢纽节点电压和联络线无功等特征量作为大区电网与省级电网无功控制的协调变量,通过大区电网的无功优化,实时计算出大区电网中协调变量的最优设定值,该设定值通过广域通信下发到省级电网,在省级电网的协调控制中,除了满足本级电网的控制目标外,还实时跟踪由大区电网给出的协调变量的最优设定值。
- 更多网络解释 与grid leak相关的网络解释 [注:此内容来源于网络,仅供参考]
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grid leak:栅漏
grid current detection 栅极检波 | grid leak 栅漏 | grid modulation 栅极灯
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grid leak resistor:栅漏电阻
grid leak detector 栅漏检波器 | grid leak resistor 栅漏电阻 | grid lerk condenser 栅漏电容器
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grid leak resistor:栅漏
grid leak 栅漏 | grid leak resistor 栅漏 | grid plate capacitance 栅极 屏极电容
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grid leak detector:栅漏检波器
grid leak capacitor detector 栅漏电容检波器 | grid leak detector 栅漏检波器 | grid leak resistor 栅漏电阻
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grid leak detector:累积式栅极检波器
grid-leak capacitor 栅漏电容器 | grid-leak detector 累积式栅极检波器 | grid-leak rectification 栅漏整流
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