free impedance

用法例句

The performance parameter of mining flameproof dry type transformers are adjusted in newly implementing standard,the academic analysis and calculation of short circuit impedance for transformer are processed.

根据新实施标准对隔爆型干式变压器性能参数进行调整,对其变压器的短路阻抗进行了理论分析和计算,并给出了矿用隔爆型干式变压器的短路阻抗值。

This paper analyzed the requirements of short circuit impedance for distribution transformer in national standard, put forward a method to test the capacity of transformer with short circuit impedance and developed the measuring device.

文中分析了国家标准中规定的配电变压器短路阻抗的要求,提出了利用变压器短路阻抗来测试变压器实际容量的方法,并研制了相关测试装置。

When transformer gets short circuit impact,through short circuit impedance test and winding deformation test can detect whether the impacted transformer distorted,when the deformation has happened,can detect single phase leakage impedance of transformer to judge the appe.

短路阻抗是变压器的一个重要特性参数,决定了变压器在系统短路时短路电流的大小及变压器内部的电动力的大小。

The requirements of distribution transformer short impedance in national specifications were analyzed and transformer short-circuit impedance was used to test the capacity of transformer.

分析了国家标准中规定的配电变压器短路阻抗的要求,提出了利用变压器短路阻抗来测试变压器的实际容量,测试结果显示,判别变压器容量的准确率为100%,为供电部门查找窃电提供了有力工具。

In order to calculate the short-circuit impedance of the transformer with split types of windings exactly,the multi-winding inductance matrix(IM) for the multi-branch of the high-voltage winding and one of the low-voltage split winding was first established by three-dimensional finite element method(FEM) with ANSYS software.

为准确计算出分裂变压器高、低压绕组间的短路阻抗,首先采用ANSYS的三维静态磁标势法数值计算得出高压多并联支路与单个低压绕组间的多绕组电感矩阵,并依据电路理论将其简化为等效双绕组电感矩阵,进而得到短路阻抗百分比,并推导了高压各并联支路电流分配,最后给出一个概念设计的分裂式高温超导变压器算例。

The impedance voltage and short-circuit impedance of transformer is calculated based on the analysis of distribution of leakage field.

为提高短路阻抗计算精度,采用“磁场—电路”耦合法建立了电力变压器2D轴对称磁场有限元模型以方便得到输入、输出间的对应关系。

This paper analyzes the require of distribution transformer short impedance in national standard and puts forward a method to test the capacity of transformer with steady impedance voltage.

本文深入分析了国家标准中规定的配电变压器短路阻抗的要求,提出了利用变压器短路阻抗来测试变压器的实际容量,测试结果显示,判别变压器容量的准确率为100%,可以为供电部门查找窃电提供有力工具。

short circuit impedance of arc furnace installation

电弧炉设备的短路阻抗

Proposals for Short Circuit Impedance Distribution of Three-Winding Transformer in Electric Network

关于电网用三绕组变压器短路阻抗配置的一些建议

Practice of Diagnosis of Transformer Winding Deformation by Combination of FRA and SCR Method

频率响应法结合短路阻抗法诊断变压器绕组变形状况的实践

Research on Engineering Algorithm for Leakage Magnetic Field and Short Circuit Impedance of 36-Pulse Rectifier Transformer

36脉波整流变压器漏磁场和短路阻抗的工程算法研究

Local Desiccation for Core Insulation of Transformer Based on Short-circuit Reactance Method

基于短路阻抗法的变压器铁芯绝缘现场干燥处理方法

Case Analysis of Over Standard of Low Voltage Short Circuit Impedance in Transformer Test

变压器低电压短路阻抗测试异常案例分析与讨论

Research on Numerical Simulation of Three Dimensional Leakage Magnetic Field and Short Circuit Impedance of Phase-Shifting Rectifier Transformer

移相整流变压器三维漏磁场和短路阻抗的数值仿真研究

Research on Short-circuit Test of Impedance-matching Balanced Traction Transformers;

阻抗匹配平衡牵引变压器短路试验研究

Direct Method for Seeking Impedances and Their Ranges for Short-Circuit Current Limiting

求取短路限流阻抗及取值范围的直接方法

It uses the positive impedance in static stability and low-voltage impedance which can effectively prevent the mal-operation in external faults.

静稳阻抗和低电势阻抗采用正序阻抗,能有效地防止外部短路造成的误动作。

Input impedance of a network when the output is short-circuited,shorted or grounded.

在(电)网络中,当输出短路、短接或接地时的输入阻抗。

Results Intra-operative electrode impedance measurements indicated that 9.2% patients′ electrode arrays had short or open circuit(s).

结果　 9.2 %的患者术中电极阻抗测试显示个别电极出现短路或开路 ;

This paper presents a novel method for short-circuit current calculation, using zero impedance branch to simulate electrical equipment( such as circuit breaker).

【中英文摘要】提出了将电气设备(断路器等)一条零阻抗支路模拟的短路电流计算方法。

Redundant links that are not part of the shortest path tree are blocked.

不是最短路径的备援连结将被阻隔。

The resistance of the circuit is the opposition to be overcome in the circuit.

电路的电阻就是在电路中要克服的阻抗。

Three-phase short-circuit analysis for double-fed wind-driven generator and short-circuiter maximal resistance calculation

双馈风力发电机三相短路分析及短路器最大电阻整定

The Influence of Short-day on the Frost Hardiness and Electrical Impedance Parameters in Ligustrum Vicaryi during Frost Hardening;

短日照对抗寒锻炼期间金叶女贞抗寒性与电阻抗参数的影响

Precise Controlling of Resistance and Characteristic Impedance of PCB

印制电路板微电阻及特性阻抗的精度控制