1) Short-circuit reactance
短路电抗
1.
The short-circuit reactance is an important parameter to characterize the transformer ability to resist the attack of short-circuit current in the design the operation process.
电力变压器的短路电抗是设计及运行过程中表征变压器本体抗短路电流冲击能力的重要参数。
2.
The method is based on on-line monitoring of primary and secondary currents and voltages to carry out real-time computation of the short-circuit reactance of windings.
通过对Scott变压器的理论分析,提出利用在线监测原、次边电压和电流,实时计算绕组的短路电抗来判断Scott变压器绕组变形的方法。
3.
The Feasibility of estimaing transformer winding deformation by measuring short-circuit reactance is analysedin detail in this paper.
本文详细分析了采用在线测量变压器短路电抗的方法来计算判断变压器绕组变形情况,理论和仿真分析结果表明,本文论述的在线测量方法具有较高的精度,能够较准确地提供运行中的变压器绕组变形状况。
2) short circuit reactance
短路电抗
1.
Based on theoretical research, short circuit reactance can be used to estimate winding deformation.
本文通过理论分析,证明可以利用短路电抗实现对变压器绕组变形的在线监测。
2.
Based on the method of calculating short circuit reactance in transformer design, a study on effects of internal short circuit faults on the short circuit reactance has been carried out.
根据电力变压器设计短路电抗的计算方法,研究了电力变压器内部各种短路故障对短路电抗的影响,指出了内部短路引起沿轴向安匝分布不均匀,从而增强了横向漏磁场分量。
3.
The feasibility of estimating winding deformation of power transformer by measuring short circuit reactance is expounded in both theory and practice,and its on line measuring method is proposed.
阐述了用测量变压器短路电抗就可判断变压器绕组是否变形的观点 ,基于变压器绕组变形在线监测的理论研究 ,探讨了在线测量变压器短路电抗的方法 ,研制了变压器短路电抗在线测量系统 ,并在某变电站投入运行 ,研究结果表明在线测量方法具有较高的准确度和良好的稳定性 ,变压器运行条件及外部因素的变化对于其短路电抗的测量影响很小 ,所研制的系统能为运行中变压器绕组的变形情况提供实时而准确的指示。
3) short-circuit testing
短路电抗测试
4) equivalent cir-cuits
等效电路短路阻抗
5) short circuit impedance
短路阻抗
1.
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。
2.
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。
3.
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。
6) short-circuit impedance
短路阻抗
1.
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。
2.
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。
3.
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。
补充资料：50t炼钢电弧炉电抗器、电阻器(SVC)(大冶钢厂)
50t炼钢电弧炉电抗器、电阻器(SVC)(大冶钢厂)
50t炼钢电弧炉电抗器、电阻器(SVC)(大冶钢厂)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条