A New Method of Reverse Phase Power Supply System on Up and Down Lines in Double Line at Traction Network 牵引力,牵引功率复线AT牵引网上下行反相供电新方式
Sir, sir! I've isolated the reverse power flux coupling. 先生!我已经隔离反向电流接合。
Combined over-current and reverse power protection adverse selection [ MIGA] 过电流和逆功率联合保?装置(风险的)逆向选择[多边投资担保机构]
Audio visual alarm for engine fault, reverse power, over current, earth fault and circuit breaker status. 警报及状态指示灯,包括机组故障、逆功率、超负载、接地故障及气制通路。
Furthermore, there will be no reverse spikes toward power supply when the invariable current being output. 对供电电源有反向电流冲击,容易造成供电电源和滤波电容的损害。
Overload protection, and vehicle test, reverse power and reverse current protection test for marine generator. 船舶发电机组过载保护试验、并车试验、逆功率和逆电流保护试验;
Short-circuit and reverse connection of the battery power terminal, will be protected. 具有可靠的短路、反接保护功能。
Application of Dual Terminals Reverse Line Power Supply Automatic Switching Device in Regional Network 双端线路备自投装置在区域电网中的应用
When a small system is in on-load operation in the early stage of black start, unit paralleling may fail due to reverse power protection. 黑启动初始阶段,小系统空载运行的情况下,由于逆功率保护而往往发生机组并车失败问题。
The model of reverse outer-loop power control and its optimization 反向外环功率控制的模型及其优化算法
Simulation for Reverse Characteristics of Power MOSFET 功率MOSFET反向特性的分析模拟
This paper analyzes incorrect action reasons of transformer longitudinal differential protection and generator reverse power protection, puts forward the measures to improve the reliability of generator and transformer protection. The measures are to ensure proper secondary circuit, constitute simple logic and reasonable set value. 通过对变压器纵差保护及发电机逆功率保护不正确动作原因的分析,提出了提高发电机变压器保护动作可靠性的措施,即保证二次回路、良好构成逻辑简单及整定值合理等。
So Reverse Power control, include open-loop power adjust and closed-loop power correction, is the focus of our study. 功率控制主要指的是反向功率控制,包括开环功率估计和闭环功率校正。
As to current block, the principle of setting computation for it can be derived by analyzing loss of excitation and reverse power. 在电流判别方面,从失磁和逆功率2种情况分析,可得出其整定计算原则;
The article introduces new developments of big power with high frequency, and emphasizes the important of updated soft switch bridge reverse power. 介绍了大功率高频感应电源发展新趋势,重点分析了现代软开关桥式逆变电源的重要特性。
In this paper, the designing of intelligent high speed reverse current pulse plating power supply with high capacity is studied. 介绍了大容量、智能化高速换向脉冲电镀电源装置的设计方案。
Reverse Power Operating Characteristics of Nuclear Power Plant 核电厂逆功率运行工况特性
Some key problem about channel system, reverse power control, power correction and so on is the emphasis of the paper. 本文集中对HDR系统里面的信道系统、反向功率控制、功率校正等几个关键技术进行了深入的研究。
A Study of an Intelligent, High Capacity, High Speed Reverse Current Pulse Plating Power Supply 大容量、智能化高速换向脉冲电镀电源的研究
Study on the Reverse Power Protection Time Delay of Large Synchronous Motor 大型同步电动机逆功率保护装置延时研究
A Reverse Power Control Algorithm Based on Single Adaptive Neuron for CDMA 基于单个自适应神经元的CDMA反向功率控制算法
This paper begins with an introduction to the concept of reverse power control, and then proposes an optimized algorithm for the open loop power control which can reduce the transmission power of the mobile and the level of interference to a minimum. 作者在文章中首先介绍了反向功率控制的概念。然后提出了一种优化的开环功率控制算法,利用此算法移动台发射的功率最小,从而减小了干扰电平。
With the traditional reverse close-loop power control method, the transmission with large power level at a mobile station may not always ensure the sufficient improvement of signal quality and sometimes it generates severe interferences in the system, especially when the system is congested. 传统的反向闭环功率控制方法在移动台大功率发射时,并不总能保证接收信号质量,有时反而会造成大的系统内干扰。
Now, supercritical or super-supercritical firepower generator units are constructed in many places, in order to reverse power tense situation promptly. 现在很多地方均在建设超临界或超超临界的大型燃煤火力发电机组,以便迅速扭转电力紧张局面。
Based on the waterpower characteristics of pumped storage power units, the unit control sequence is researched and improved, so as to avoid the unstable region, improve the stability of unit operation and reduce the reverse power. 文中根据抽水蓄能机组的水力特性,对机组控制流程进行研究和优化,以尽可能避开运行不稳定区域,提高机组运行的稳定性,并减少逆功率。
Reason analysis and its countermeasure of generator reverse power protection malfunction caused by the secondary circuit anomaly of voltage transformer 电压互感器二次回路异常引起发电机逆功率保护误动作的原因分析及解决方法
Active inverter controlled by power electronic switch to reverse the DC power into AC three-phase frequency power, and feedback network. This is a major energy-saving technology, and has been widely used in industrial production. 采用电力电子器件电子开关控制的有源逆变把直流电能逆变成三相工频交流电能并将其回馈电网,是节能的一项重大技术措施,在工业生产中得到广泛应用。
VSC-HVDC has many advantages, for example, it can reverse the direction power flow flexibly, obtain the individual control of active power and reactive power, supply the power to passive network and etc. It has important practical significance to strengthen research on the subject of VSC-HVDC. VSC-HVDC技术具有潮流翻转方便灵活,有功功率和无功功率可快速独立控制和可向无源网络供电等诸多优点,加强其相关课题的研究具有重要的现实意义。
But the interconnection of distributed generation to power grid can make large influence, such as reverse power flow, loop network and new node types that are difficult for the traditional power flow method to deal with. 但是大量的分布式电源接入配电网会对配电系统产生很大的影响。比如逆向潮流、多电源环网和多节点类型等传统配电网潮流算法较难处理的问题。