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    2. 直流系統接地故障測試儀

      直流系統接地故障測試儀簡要描述:BL608直流系統接地故障測試儀用于在不断电情况下查找发电厂、变电站直流系统接地点的准确位置。各种类型的接地故障,均能迅速地查找出接地点,准确率达到100%。

    3. 直流接地故障分析儀

      直流接地故障分析儀簡要描述:直流系統接地故障快速分析儀具有檢測靈敏度高、抗幹擾能力強、體積小、重量輕、使用方便等特點。查找直流系統接地故障時,不需要斷開電源,可實現接地點定位。儀器能檢測直流系統接地電阻阻值和接地方向,爲電力直流...

    4. 直流接地查找儀

      直流接地查找儀簡要描述:直流接地查找儀安全可靠:接地信号功率极低,杜绝保护误动;接地查找速度快,约2秒/次;显示接地电流真实波形及接地电阻,接地判断更直观明了。

    5. NSNZ蓄電池內阻測試儀

      NSNZ蓄電池內阻測試儀簡要描述:NSNZ蓄電池內阻測試儀:是快速准确判断落后电池,快速准确测量蓄电池健康状态、荷电状态以及连接电阻等参数的数字存储式测试仪器。本仪表通过在线测试,能显示并记录单节及整组电池的电压、内阻、容量、温度等重...

    6. NSHH蓄電池活化儀

      NSHH蓄電池活化儀簡要描述:NSFY蓄電池放電檢測儀:是對單體電池進行日常維護的全能工具,也是對電池在線進行容量恢複的利器。,蓄電池在電力各方面作爲電源和後備電源,當交流一旦失電蓄電池就顯現舉足輕重來,照明、合閘保護等一系列重要...

    7. NS-DNS絕緣監測儀

      NS-DNS絕緣監測儀簡要描述:NS-DNS絕緣監測儀:本装置性能可靠,功能完善,人机界面友好,广泛应用于电力、石油、化工、铁路、煤炭等行业的发电厂和变电站。

    8. + 更多公司形象展示About Us

      上海旺徐电气有限公司(www.chazhaoyi.com)是一家以直流接地故障查找儀为主的企业,公司拥有一批掌握技术的电气工程技术人才和谙熟现代企业管理制度的管理精英,有专门从事电力测试仪器、绝缘手套耐压试验装置,仪表和装置生产及营销的队伍;具有强大的产品研发、生产、制造能力,以雄厚的技术力量为基础,优化改革,推陈出新,从而使产品质量和生产工艺得到不断的提高。公司自创立以来一直致力于直流接地查找儀;始终坚持发扬"诚信、创新、沟通"为企业... >>更多詳情

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      精准溯源护安全:直流接地查找儀的技术优势与广泛应用

      精准溯源护安全:直流接地查找儀的技术优势与广泛应用

      在电力系统中,直流系统的稳定运行至关重要。然而,直流接地故障却时常威胁着设备的安全稳定运行。此时,直流接地查找儀凭借其技术特点,迅速锁定故障源头,为系统的可靠运行保驾护航。直流接地查找儀具备高度灵敏的检测能力。它采用先进的传感技术和信号处理算法,能够精准感知微弱的漏电流变化。哪怕是极其微小的接地电流,也逃不过它的“火眼金睛”。这一特性使得在复杂的电力环境中,即使存在多种干扰因素,也能准确识别出真正的接地故障点。例如,在大型变电站内,众多设备并行运行,电磁环境复杂,但该仪器依然可以有效排除干扰,精

      JAPANESE PIPE, CASE, AND POUCH. JAPANESE PIPE, CASE, AND POUCH. For disadvantages there is, on the other hand, a want of uniformity in fittings that prevents their interchange from one part of a line shaft to the other—a matter of great importance, as such exchanges are frequently required. A line shaft, when constructed with pieces of varying diameter, is special machinery, adapted to some particular place or duty, and not a standard product that can be regularly manufactured as a staple article by machinists, and thus afforded at a low price. Pulleys, wheels, bearings, and couplings have all to be specially prepared; and in case of a change, or the extension of lines of shafting, cause annoyance, and frequently no little expense, which may all be avoided by having shafts of uniform diameter. The bearings, besides being of varied strength and proportions, are generally in such cases placed at irregular intervals, and the lengths of the different sections of the shaft are sometimes varied to suit their diameter. With line shafts of uniform diameter, everything pertaining to the shaft—such as hangers, couplings, pulleys, and bearings—is interchangeable; the pulleys, wheels, bearings, or hangers can be placed at pleasure, or changed from one part of the shaft to another, or from [47] one part of the works to another, as occasion may require. The first cost of a line of shafting of uniform diameter, strong enough for a particular duty, is generally less than that of a shaft consisting of sections varying in size. This may at first seem strange, but a computation of the number of supports required, with the expense of special fitting, will in nearly all cases show a saving. Dimension lines should be in blue, but may be in red. Where to put them is a great point in draughting. To know where dimensions are required involves a knowledge of fitting and pattern-making, and cannot well be explained; it must be learned in practice. The lines should be fine and clear, leaving a space in their centre for figures when there is room. The distribution of centre lines and dimensions over a drawing must be carefully studied, for the double purpose of giving it a good appearance and to avoid confusion. Figures should be made like printed numerals; they are much better understood by the workman, look more artistic, and when once learned require but little if any more time than written figures. If the scale employed is feet and inches, dimensions to three feet should be in inches, and above this in feet and inches; this corresponds to shop custom, and is more comprehensive to the workman, however wrong it may be according to other standards. But here he looked at me in a curious manner, scrutinising my face, as if he asked himself: "Is he pulling my leg, or not?" But not a muscle in my face moved, so that the "Captain" nodded approvingly ... and wrote out a pass for me to go to Visé! I was not allowed to go to Liège, for, as he said, he did not yet know himself how matters stood there. The other officers overwhelmed me with questions: how matters stood in The Netherlands, and whether Great Britain had already27 declared war against us? I think that at that question I looked utterly perplexed, for in the same breath they told me all they knew about the danger of war for The Netherlands: Great Britain first sent an ultimatum to The Netherlands, to force her into joining the Allies against Germany, and as she had refused, the British Fleet was now on its way to Flushing. I explained to them in detail that they were utterly wrong, but they believed only a half of what I said. I stood near the spot where the ferry-boat used to take people across; but to cross was now out of the question, for any one alighting on the opposite side would be landed in the scorching glare. Therefore, I returned to Lixhe, where I might try to cross the river by the pontoon-bridge, and get to Visé along the other bank of the Meuse. As soon as I had entered the guard-house a soldier, rifle in hand, mounted guard. The cus99tom-house officer handed my French passport to a lieutenant, who scrutinised it closely. Then followed the examination: "Don't you know then whether there are Belgian military in Vroenhoven?" until I was on an express train coming back. All the furniture What progress devotional feeling had made during the interval which separated Apuleius from Plutarch and his school, may be illustrated by a comparison of the terms which they respectively employ in reference to the Egyptian Isis. The author of the treatise on Isis and Osiris identifies the goddess with the female or material, as distinguished from the formative principle in Nature; which, to say the least of it, is not giving her a very exalted rank in the scheme of creation. Apuleius, on the other hand, addresses her, or makes his hero address her, in the following enthusiastic language:— “Help me save the most valuable set of emeralds in the world from being—destroyed!” Dick watched him go along the gravel path, watched him climb to the side veranda of the big house, pausing for a moment to tell the newly installed housemaid about his recent adventure. “What bothers me,” he stated, “is that if his engine is all right, Mr. Whiteside would have met him and gone in Jeff’s ship.” "Are you trying to drive me off?" she said measuredly. "Do you wish me to go away from you? If you do, I will go. I will go, and I will never come back. But I will not go to him—not on my own account. It doesn't matter what happens to me; but on your account and on his, I will never go to him—not while you are alive." She stopped, and every nerve in her body was tense to quivering, her drawn lips worked. They were not destined to get beyond the first fifty yards, nevertheless. The rifle that had fired at Landor as he came upon the malpais went glistening up again. There was a puff of blue-hearted smoke in the still air, and Cairness's bronco, struck on the flanks, stung to frenzy, stopped short, then gathering itself together with every quivering sinew in a knot, after the way of its[Pg 280] breed, bounded off straight in among the jagged boulders. It was all done in an instant, and almost before Landor could see who had dashed ahead of him the horse had fallen, neck to the ground, throwing its rider with his head against a point of stone. "Forward Quick time March!" shouted the Lieutenant. "Guide on those tall hickories." "Eph Glick," supplied the Provost-Marshal. The whistle summoned them to get aboard and move on. He halted there, pulled out his pocket-knife, and judicially selected a hickory limb, which he cut and carefully pruned. The job was simple enough: the metal, once heated, had to be poured out into the ladle, which acted as a carrier to take the stuff on to its next station. The only critical point was the color of the heated liquid, and the eyes of Alberts and humans saw the same spectrum, with perhaps a little more discrimination in the eyes of the Alberts. This Albert had to be taught to let the process go unless the color was wrong, when a series of buttons would stop everything and send a quality alarm into men's quarters. "Norma—" Then there was an angry scene, stormings and tears, regrets, taunts, and abuse—and another reconciliation. On the evening succeeding the day of Edith's decease, Black Jack's associates were, as usual, squandering away their ill-got money at the Mitre. A ribald song was just concluded, when a loud knock caught the attention of the foreman: the door was opened, and the galleyman entered. His countenance looked pale and haggard, and without speaking, he threw himself in a chair. "Do you hear me, varlet?" asked De Boteler, in a furious tone, as the smith delayed an answer.HoME另类淫荡p www.giacomorelli.com.cn
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