voltage and current transformer
英 [ˈvəʊltɪdʒ ənd ˈkʌrənt trænsˈfɔːmə(r)]
美 [ˈvoʊltɪdʒ ənd ˈkɜːrənt trænsˈfɔːrmər]
网络 互感器
双语例句
- Voltage and Current Response of Transformer under Step Voltage Excitation
阶跃电压激励下变压器的电压响应及电流响应 - Lead the team to do the research on insulation materials, inner insulation technology of large-scale electric power equipment including transformer, reactor, capacitor, voltage and current transformer, and fundamental theory study.
带领团队从事绝缘材料、压器/抗器/容器/感器等大型电力设备内绝缘技术及基础理论研究等。 - Requirements for pour of Expoxy under Low Voltage and High Current Transformer
低电压大电流变压器环氧树脂浇注总体要求 - Development of High Voltage and Current Test Technology in Transformer Industry of Our Country
我国变压器高电压与强电流试验技术的发展 - Influence of Transient Characteristics of Capacitor Voltage Transformer and Current Transformer on Distance Protection
电压互感器和电流互感器暂态特性对距离保护算法的影响 - Design principle and basic function are also discussed. The alternating current signal, which is transformed from voltage and current transformer of equipments, is sampled and calculated by arithmetic in software.
讨论了设计原则与基本功能，对装置内部电压（电流）互感器转换后形成的交流信号经过处理后进行采样，在软件中通过各种算法计算出所需要的参数。 - In order to meet the request of high voltage and big electric current in traction power supply system or relieve the harmful effect of traction power supply system in electrical power system, the choice of the traction transformer wiring form in the traction transformer substation is very important.
为适应牵引供电系统高电压、大电流的用电要求，或者为减轻牵引供电系统对电力系统的不良影响，对牵引变电所中牵引变压器接线形式的选择至关重要。 - This software system uses the device of signal collection to realize monitoring the magnitude of voltage and current of primary and secondary side of transformer, and calculates the resistance and leakage inductance values of transformer's windings to determine the deformed condition of windings.
本软件系统利用信号采集装置实时监测变压器绕组原、副边的电压和电流量，实时计算变压器绕组的电阻和漏感值来判断变压器绕组变形情况。 - In judging the direction and phase relationship of voltage and current for ideal transformer, it is difficult for students to write correctly the VAR expression.
学生在学习理想变压器时，往往不能正确列写出它的VAR关系式（即伏安关系式）。主要原因是学生对理想变压器初次级电流或电压的方向、相位关系的判明发生困难。 - On the basis of modeling and analysis of the voltage and current signal in resistance welding transformer circuit, a current zero-crossing derivative ratio method was proposed to calculate the dynamic power factor online.
基于对交流电阻焊焊接变压器初级回路电压、电流信号的建模分析，提出电流过零导数比法测量电阻焊动态功率因数。 - The development of high voltage and current test technology in transformer industry of our country in recent 40 years is reviewed. Its trend is presented.
回顾了40年来我国变压器高电压与强电流试验技术的发展，展望了高电压与强电流试验技术的发展前景。 - In this paper, a structure of the transformers with the primaries in series and the secondaries in parallel used in power supply of low voltage and high current is introduced and compared with the structure of one transformer.
介绍了一种低压大电流开关电源采用的变压器结构，并与传统的一组变压器结构进行了比较。 - Design of 220 kV Combined Optical Voltage and Current Transformer
220kV组合式光学电压电流互感器的设计 - Effect of Leakage Impedance of Winding on Output Voltage and Current of Balancing Transformer with Yd ( Zigzag Extended Line) Connection
绕组漏阻抗对Yd（曲折延边）联结平衡变压器的输出电压、电流的影响 - It shows a method to detective the open circuit loss and the load loss of the there-phase power transformer online by operating the real-time voltage and current of the transformer.
介绍一种在线检测三相变压器空载损耗、负载损耗的方法。这种方法通过对变压器原副方电压电流实时量的运算来实现。 - In the same protection cubicle, one group of voltage transformer and current transformer shall be adopted for main and back microcomputer integrative protection or main and back microcomputer dividual protection.
在同1个保护柜内主、后微机一体保护或主、后微机分体保护，用1组电压互感器和1组电流互感器。 - Based on compensation concept, the principle of this system is analyzed by utilizing the controlled voltage source and controlled current source model of a transformer.
基于补偿原理，利用变压器的受控电压源和受控电流源模型，分析了该系统的稳压原理。 - Effect of power supply frequency to the welding transformer in the main circuit has been analyzed, and, through lab testing, appropriate series capacitance has been selected, which effectively reduce power voltage and no-load current of the transformer.
并针对斩波电路中工频分量对焊接变压器正常工作的影响进行了分析，通过试验选取合适的串联电容，有效的降低了变压器两端的工频电压及空载电流。 - The working period of semi bridge inverter power source is distinguished into six stages. The voltage and current waves of devices including intermediate frequency transformer, power switch output rectifiers are given respectively at the eight different time period.
半桥式逆变焊接电源的一个完整工作周期分为6个阶段，以8个时段给出了不同阶段的功率开关管集电极电压、中频变压器一次侧电流和二次侧电压以及整流二极管电流的波形。 - Tesla transformer with opening core can integrate Tesla transformer with forming line, which let the Tesla transformer's coupling coefficient reach up to more than 0.9.The expression of output voltage and current is gained by analyzing the circuit model of Tesla transformer.
带有开口铁心的Tesla变压器与成形线一体化，使Tesla变压器的耦合系数>0.9。根据Tesla变压器电路模型，得出了输出电压、电流的解析表达式。 - Integrated monitoring device implements the synchronous acquisition and calculation of voltage and current from traction substation to determine the power and load statistic parameters then obtains the capacitance availability and loss of traction transformer.
电能综合监测装置通过对牵引变电所的电压、电流进行同步采集、计算，确定电能和负荷统计参数，进而得出牵引变压器的容量利用状况和损耗。 - The instantaneous value of the phase current 、 electromagnetic power and torque of the motor, the output voltage and current of the transformer, the input current of the power converter is derived with circuit analytical method.
并用电路分析法，从电动机的实际工作状态出发，导出了稳态运行时电源变压器输出电压、电流、电机绕组电流、电磁转矩、电磁功率及逆变器输入电流等瞬时值或平均值的表达式。 - High voltage transformer and large current transformer belongs to the installation of equipment, it must be calibration on-site.
高电压、大电流互感器，属于安装式设备，必须进行现场检定。 - The traditional current collection has many problems such as the difficult of high voltage insulation, the small of measuring range and so on. So it will be replaced by the new Optical Current Transformer.
传统的电流采集装置由于存在高压绝缘复杂、测量范围小等许多难以克服的问题，从而被新的光电流互感器取代。 - The field-circuit coupled mathematical model, which is suit for two dimension field-circuit couple of voltage source confinement and three dimension nonlinear transient eddy current field basing A-V-A method, is derived in detail. By given voltage confinement, sorts of transient procedures of transformer can be simulated.
详细推导给出了适用于电压源约束的二维场路耦合及基于A-V-A法的三维非线形瞬态涡流场计算的场路耦合数学模型，通过给出电压约束条件，可对变压器各种瞬态过程进行仿真计算。 - Due to the photoelectric technology and computer technology rapid development, the new optical voltage, current transformer is increasingly showing bright prospect and strong vitality, new optical digital voltage, current transformer to replace electromagnetic transformer is a direction of development of relay protection.
由于光电技术和微机技术的飞速发展，新型光学电压、电流互感器日益显现出光辉的前景和强大的生命力，新型光学数字式电压、电流互感器取代电磁式互感器是继电保护的一个发展方向。 - The real time data of the line voltage, phase current, phase voltage and active power of main motor were obtained, employing multi function power meter, current transformer, etc, by on-line testing of different working conditions.
使用多功能电力仪表、电流互感器等实验器材，对圆锯机在多种不同工作状态下进行测试，得到了主电机的线电压、相电流、相电压和有功功率等实时数据。 - With the improvement of transmission capacitance and increasingly high voltage in power system, the magnetic saturation and insulation problem of traditional electromagnetic current transformer becomes more serious, and thus this does not meet the requirement that the network develops towards automation and digitized direction.
随着近年来电力系统容量的不断增加和电网电压运行等级的不断提高，传统的电磁式电流互感器的磁饱和与绝缘难的问题也日益突出，无法适应现代电力系统自动化、数字化的发展要求。