查询词典 voltage

A New Method for Voltage Automatic Control.

一种新的电压自动调节方法。

Automatic Gain Control Module have some control voltage

自动增益控制模块中产生控制电压的部分

But there is a problem of related voltage change for an autotransformer.

而自耦变压器中性点调压则会带来相关调压问题。

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。

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。

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。

Since the lotus root decompression for the box to start the counter protective structure, there are auto-transformers, AC contactor, smart motor protectors digital display components, etc., and below 75 kilowatts for the products, the Department of the use of automatic control mode, and more than 80 kilowatts of products, with two automatic control mode manually, by the change-over switch to switch, smart motor protectors digital display of 0 ~ 240 seconds can be automatically adjusted to control start-up time, prepared autotransformer 60 percent have a rated voltage (65%) and 80% tap two groups, then the factory in 60%(65%) on tap, if you need a larger starting torque, which can be accessed by 80% in the tap, and there are overload, and loss of pressure off the protection.

自藕减压启动柜为箱式防护结构，有自耦变压器、交流接触器、智能数显电机保护器(时间继电器、时间继电器)等元件组成，对于75千瓦及以下的产品，系采用自动控制方式，80千瓦及以上的产品，具有手动自动两种控制方式，由转换开关进行切换，智能数显电机保护器在0～240秒内可以自动调节控制起动时间，自耦变压器备有额定电压60％（65％）及80％二组抽头，出厂时接在60％（65％）抽头上，如果用户需要用较大的起动转矩，可接在80％抽头上，并有过载、断相及失压保护。

Neutral section insulator and autotransformer are needless because of the same voltage level in each sector. Furthermore, it inherits the advantages from autotransformer such as effective communication protection and superior performance of general economy and technology.

该系统各供电区段电压相同，可以取消分相绝缘器；变压器成本低，省出口自耦变压器；继承了自耦变压器供电方式通信防护效果好，综合经济技术性能优越的特点。

Both the static and dynamic load models are applied in this thesis and the autotransformer starters, static var compensators and VVVF inverters are installed to reduce the current and voltage drop during the motor starting.

文中以暂态稳定度分析模拟大型马达直接启动与加载过程，更考虑使用自耦变压器降压及装置静态虚功补偿器与变压变频启动法来降低启动电流与电压降。

Company main products has: 35KV class the following types of electrical transformers, single-voltage devices match, S 9, S 11 series three-phase distribution transformer, SH15 Distribution Transformer Amorphous Alloy, SC 10, SG 10 series dry-type transformer, American box changed, CKSC, CKSG Series Dry-type iron core reactor, filter reactor, CKSK dry-type air-core reactor, rectifier, inverter, energy conservation, compensation, filtering, Furnace, Salt Bath furnace and other industries with a variety of isolation, autotransformer, reactor, product sales at home and abroad.

公司主要产品有：35KV级以下各种电力变压器，单相配电压器、S9、S11系列三相配电变压器、SH15非晶合金配电变压器、SC10、SG10系列干式变压器、美式箱变、CKSC、CKSG系列干式铁芯电抗器、滤波电抗器、CKSK干式空心电抗器，整流、变频、节能、补偿、滤波、电炉、盐浴炉等行业用各种隔离、自耦变压器、电抗器，产品国内外销售。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。