查询词典 autotransformer

If the line voltage is outside of this range ,the Tester may not operate normally or may be damaged .if your AC line voltage is outside of this range ,be sure to convert it into within this range by using an autotransformer or other appropriate means .

如果电压在这个范围以外，测试装置可能无法正常运行或可能损坏。如果您的交流线路电压在这个范围以外，务必使用自耦变压器或其他适当的方法将它调整到这个范围以内。

The voltage regulation characteristic of autotransformer,external compensation of zero sequence current for three Y au .

论证自耦变压器的电压调整性能、三Y型自耦变压器的零序电流外补偿、自耦变压器继电保护整定的特殊问题。

Consideration of the structural characteristics of autotransformer, the principles and characteristics of zero-sequence differential protection are analyzed by taking PST1200 as an example, debugging method of zero-sequence differential protection is summed up briefly, the method can well verify the logical function correctness of zero-sequence differential protection, and it has been verified in practical application.

结合自耦变压器的结构特点，以南自PST1200变压器保护装置为例分析了零序差动的原理构成及特点，简要总结了零差保护的调试方法，能够较快且准确的校验零差保护逻辑功能的正确性，并已在实际工作中得到了很好的验证

The use of sewage collection pool diving sewage drainage pumps, the pumps should be fixed Autotransformer device to facilitate pump maintenance.

污水集水池采用潜水排污泵排水时，应设水泵固定自耦装置，方便水泵检修。

The key part of light alarm circuit of the system is the flashing tube and the life level of the main charge and discharge capacitance. Thus ,in this design, adopted autotransformer step-up type, two-level filter and double flashing tube, in order to light the burden of the main charge and discharge capacitance, reduce the heat productivity and extend the life level of the capacitance.

在系统的光报警电路中关键部件是频闪管和主充放电容的寿命，因此在电路设计中采用自耦变压器升压方式和双级滤波、双频闪管等独特的电路结构，减轻主充放电容的负担，减少发热量，延长电容使用寿命。

This paper analyzes the characteristic of the Power Factor Correction of arc welding inverter power source , introduces the 12-pulse converter based on delta-type autotransformer connection into arc welding inverter power source ,and its configuration, design scheme and theory on PFC.

分析了弧焊逆变电源功率因数校正技术的特点，阐述了弧焊逆变电源中基于差接三角形自耦变压器十二脉波整流电路的原理与设计及其功率因数校正机理。

In this paper the reason of rapid increase of single phase short circuit current in 500 kV substation is analyzed. Through the calculation it is proved that neutral grounding by small reactance is an effective measure to reduce the single phase short circuit current, and the calculation method of the zero\|sequence reactance after autotransformer neutral grounding by small reactance being applied is expounded.

文中研究了500kV变电站单相短路电流急剧增长的原因，计算了变压器中性点经小电抗接地对限制单相短路电流的作用，论证了经小电抗接地是限制单相短路电流的有效措施之一，并阐述了500kV自耦变压器中性点经小电抗接地后，其等值零序电抗的计算方法，可供工程参考。

After several years of hard struggle, finally achieved gratifying results, the current company's existing list of workers at more than 30 people, one of professional advanced technical personnel more than 8 , engineer 2 people, specializing in the production of transformers, special transformers, three-phase transformer, voltage regulator, starter boxes Autotransformer decompression, as well as the introduction of the development of the international advanced level of Germany's Siemens JBK5 machine tool control transformers, the company simultaneously developed RBK , RSBK transformer was the title of National patented product, the company focus on product development, developed simultaneously, continuously strengthen the quality of management, now has a full range of modern intelligent calibration equipment, the company provides quality products factory protection.

经历了数年艰苦奋斗，终于取得了可喜的成绩，目前公司现有在册职工30余人，其中专业高级技术人员8多人，高级工程师2人，专业生产变压器、特种变压器、三相变压器，调压器、自耦减压起动箱，以及引进开发具有国际先进水平的德国西门子JBK5机床控制变压器，同时本公司开发研制的RBK、RSBK变压器获国家专利产品称号，公司在注重产品的开发、研制的同时，不断加强质量管理，现在公司拥有全套现代智能校验设备，使公司产品出厂提供了质量的保障。

Yuefeng Electric Ltd., founded in 1984, and now employees more than 600 professional and technical personnel, management staff of 25 people, of which 36 were engineers, enterprise covers an area of 11 mu, building area of more than 10,000 square meters, is a development, production, marketing high-low-voltage electrical in one scale enterprises, the company long-term commitment to national industrial development, with many scientific research units and institutions of higher learning to work closely with the professional production of transformers, voltage regulator, voltage regulator, electrical power, Frequency Min rheostat, autotransformer starting decompression box, cabinet, welding machine, electro-magnet, as well as the introduction of the development of international standards of Germany's Siemens JBK5 machine tool control transformers, SSG coherent three CNC machine tool-type transformers and other products.

跃峰电器有限公司，创建于1984年，现在员工600多人，各类专业技术人员、管理人员25人，其中工程师36人，企业占地面积11亩，建筑面积 10000多平方米，是一个以开发、生产、销售高低压电气于一体的规模型企业，公司长期致力于民族工业发展，与众多科研单位及高等院校进行紧密合作，专业生产变压器、调压器、稳压器、电源电器、频敏变阻器、自耦减压起动箱、柜，电焊机、电磁铁以及引进开发具有国际水平的德国西门子JBK5机床控制变压器、SSG数控机床三相干式变压器等系列产品。

In order to study the negativesequence influence to regional power grid caused by autotransformer traction power supply system, formulas of NSeq current and threephase voltage imbalance were derived, based on current distribution analysis of AT traction power supply system and singlephase VVconfiguration train substation. Employing the "train diagram" method, the realtime voltageimbalance curve was obtained in a simulation study, as well as the factors that influence NSeq and some measures to restrain it.

为研究自耦变压器牵引供电系统对地区电网造成的负序影响，首先讨论了AT牵引供电系统、单相VV接线牵引变电站的电流分布，推导得出了负序电流、三相电压不平衡度的计算公式；然后结合"列车运行图法"开发了相应的仿真程序；最后通过一个实际算例，得到了实时电压不平衡度曲线，指出了负序大小的影响因素及相应措施。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。