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It has been obtained by analysis that for ultra-high power electric arc furnace using scrap charging the relation formula between rating capacity of transformer Pn and parameters- electric power consumption W, transformer power utilization ratio C 2, total power o...

经分析得出以废钢为原料的超高功率电弧炉变压器额定容量Pn kVA与吨钢电耗W、变压器功率利用率C2 、总通电时间ton、出钢量G之间的关系式为：Pn =(W·G·6 0 )(ton·cosφ·C2 )，同时给出了二次电压的确定方法。

In recent years he has long dedicated himself in the research and development of power system automation and his main research orientation includes intelligent protection of power system, ground selector in extinction coil ground system, net cable ranging, international standard of data transmission in power system, field data transmission server, signal processing in power system and DSP real-time operating.

近年来，一直从事电力系统自动化相关课题的研究开发，主要内容有电力系统智能化保护的研究、消弧线圈接地系统的接地选线的研究、配网电缆测距的研究、电力系统数据传输国际标准的研究、现场数据传输服务器的研究、电力系统信号处理的研究、DSP实时操作系统的研究等。

The main products of different colors for the sections of high-power LED spotlights (1W-15W), full-color high-power LED spotlights, colored sections of high-power LED (0.5W-100W), full-color high-power LED, various colors and ultra-high bright LED (white, blue, green, red, yellow), with backlight LED, helmet-shaped | straw hat type LED, piranha LED, the series of LED lighting lamps, LED flashlights and LED lighting products, OEM processing.

主要生产产品为各款各色大功率LED射灯（1W-15W），全彩大功率LED射灯，各款各色大功率LED(0.5W-100W)、全彩大功率LED，各款各色超高亮LED，背光源用LED、钢盔形|草帽型LED，食人鱼LED、各系列LED灯具灯饰，LED手电筒和LED照明产品的OEM加工等。

Along with the electric power electronic technology's development and the innovation, cause the switching power supply technology to innovate unceasingly, this cost point of inversion to the low output electric power end migration, this has provided the widespread development opportunities day by day for the switching power supply.

随着电力电子技术的发展和创新，使得开关电源技术在不断地创新，这一成本反转点日益向低输出电力端移动，这为开关电源提供了广泛的发展空间。

Along with the electric power electronic technology development and the innovation, causes the switching power supply technology in to innovate unceasingly, this cost point of inversion to the low output electric power end migration, this has provided the widespread development space day by day for the switching power supply.

随着电力电子技术的发展和创新，使得开关电源技术在不断地创新，这一成本反转点日益向低输出电力端移动，这为开关电源提供了广泛的发展空间。

Input Power Factor Correction: The rectifier shall be power factor corrected so as to maintain an input power factor of 0.98 lagging to unity at all load levels to ensure generator compatibility and avoid reflected harmonics from disturbing loads sharing the utility power.

UPS模块的设计须可使之作为双变换和在线反向输送系统在下列模式下正常工作。A。正常模式：逆变器须可不断向临界负载输电。整流器/电池充电器须从交流电源获取电能并向逆变器供电，同时以浮动方式给电池充电。

In order to improve the stability and reliability of the models, especially in the marine platform drilling rig in order to meet the high standards and strict power requirements, CPC Jinan Diesel power demands in accordance with domestic oil market situation and the company markets products in the oil field use, decided to 4012 Long-stroke diesel engine is fully optimized and updated, and comprehensively improve the models of economy, adaptability, especially in reliability to achieve new breakthroughs to make it into a completely independent intellectual property rights, high reliability, power, good , fuel consumption is low, high degree of automation of the diesel engine, making it the leading, world-class level, can completely replace the current oil market, the corresponding power of China's imports of aircraft-grade new model.

为了提高该机型的稳定性和可靠性，特别是为了满足海洋平台对钻机动力的高标准严要求，中油济柴根据国内石油市场动力需求现状和公司产品在油田市场的使用情况，决定对4012型长冲程柴油机进行全面优化和更新，全面提高该机型的经济性、适应性，尤其在可靠性方面实现新的突破，使其成为具有完全自主知识产权的、可靠性高、动力性好、油耗低、自动化程度高的柴油机，使其成为国内领先、具备世界一流水平、可完全替代目前我国油田市场上相应功率档次进口机的新机型。

The following functions can be realized: Measuerment:the effective values of three phase current and voltage, power frequency, active power, reactive power, power factor etc. Motor control: direct starting, converse starting, star and triangle starting, self-starting. Protection:thermal overload protection, current leakage protection, open-phase protection, three-phase unbalance protection, over voltage protection, loss voltage protection, low load protection and fault warning and fault dates memory. Communication: communication of the computer in control room and the microcomputer monitor in the spots is realized by the interface of RS-485. The motor is not only controlled in the spots but also in control room. The dates, information and some functions are shared by the spots and control room too.

该电动机监控器以80C196KC单片机为核心，通过采样三相电流﹑电压信号来实现以下功能：三相电流﹑电压有效值，电网频率，有功功率，无功功率及功率因数等的测量；对电动机实现直接、正反转、星三角及自起动控制；对电动机实现热过载、漏电、断相、三相不平衡、过压、欠压及轻载保护，对故障进行报警及数据记忆；通过RS-485串行接口与中央控制室计算机实现通信功能，对电动机既可本地，也可远程控制；实现控制现场与控制室之间数据、信息、功能共享。

Serialization and mass construction of nuclear power plants; active absorption of the third generation nuclear power technology; promotion of inland nuclear power construction; development of fast breeder nuclear power plant; and establishment of nuclear fuel cycle system.

指出了我国核电可持续发展的几个重要问题，即核电发展要实现系列化规模化；积极消化吸收第三代核电技术；大力推进内陆核电站的建设；开发快中子增殖堆核电站，构建核燃料循环体系等。

Love of power is greatly increased by the experience of power ,and this applies to petty power as well as to that of potentates ,In the happy days before 1914,when well-to -do ladies could acquire a host of servants, their pleasure in exercising power over the domestics steadily increased with age .

的确，重要人物生活中最强烈的动机就是权力欲，体验到权力后便增加了人的权力欲，无论是小小的芝麻官还是至尊的当权者都是如此，在1914年以前那段幸福的日子里，家境富裕的太太们能雇用一帮仆人，行使权力的快乐与年龄俱增。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。