直流电阻

新颖、快速、高精度变压器直流电阻测试仪的研制与探讨

The Research of a Novel Fast High Precision Test-Set for the DCR of Transformer

便携式牵引变压器直流电阻测试仪的研制

Development of the portable instrument for measuring DC resistance of main transformer windings

基于DSP的变压器直流电阻的消磁动态法测试研究

Study of the Demagnetization Dynamic Measurement Based on DSP for DCR of Transformer

SiC纤维直流电阻加热CVD工艺研究

The Preparation of SiC Fibre by DC Electrically Heating CVD

测量Yd联结三相五柱变压器直流电阻时的暂态过程

Transient Process of DC Resistance Measurement of Three-Phase Five-Limb Transformer with Yd Connections

分析了一台220kV变压器直流电阻和色谱异常，结果表明；

The abnormal chromatogram and DC resistance of 220 kV transformer is analyzed .

通过改变CVT中压变压器绕组的布置方式，可降低其直流电阻，从而改善负载误差特性。

Through a reasonable winding arrangement of CVT , the DC resistance can be reduced largely , hence the on load error characteristic can be improved .

研究发现：TV的励磁特性和高压绕组直流电阻、系统三相对地电容及其对称性以及系统的阻尼率均对TV励磁涌流有明显影响。

It is found that the magnetizing inrush current could be influenced significantly by following factors ; excitation characteristic , resistance in the primary winding of TV , line-earth capacitance and its symmetry as well as damping resistance of the network .

220kV组合电器主回路直流电阻增大的原因分析

Causal Analysis of Main Circuit DC Resistance Increasing in a 220 kV Gas-insulated Metal-enclosed Switchgear

该测试装置能够完成的测试功能相当于：RLC测试仪、介质损耗角测试仪、MOA测试仪、电气参数测试仪、直流电阻测试仪以及电表校验仪。

The functions of this meter include RLC meter , dielectric loss angel meter , MOA meter , electric meter , direct-resistance meter and check gauge .

介绍了在微软OfficeExecl中利用VBA进行二次开发，实现变压器三相绕组直流电阻不平衡率的自动计算和优化分组的方法。

The second development with VBA in Office Excel of Microsoft is introduced . The automatic calculation and optimal sectionalization methods of DC resistance unbalance rate of transformer three-phase windings are presented .

介绍并分析了两起因35kV单芯交联聚乙烯绝缘电力电缆铜屏蔽层开断而引起的电缆烧坏事故，认为要重视铜屏蔽层直流电阻或铜屏蔽层感应电压和电流的检测。

Two burnt cable accidents caused by broken copper shield were analysed . The cable was 35 kV single core XLPE power cable . The result indicated the importance of the tests for DC resistance of and induced voltage and current in copper shield .

电力变压器直流电阻测试方法和特点

Measuring Method for DC Resistance of Power Transformer And Its Features

导体直流电阻测量不确定度评定研究

Assessment of the Uncertainty of the Measurement of Conductor DC Resistance

有源大功率电阻器校验直流电阻仪的新方法

A New Method Calibrating Resistor Measurer with Active High-power Resistor Box

配电变压器的低压引线结构与直流电阻不平衡率

LV Lead Construction of Distribution Transformer and Unbalance of its DC Resistance

如何提高测量变压器直流电阻值的准确性

How to Advance Measuring Accuracy of Direct - current Resistance of Transformer

直流电阻对焊的变形及其对电流和电压的影响

The influences of deformation on current and voltage of DC upset welding

变压器直流电阻异常故障的分析与处理

Treatment and Analysis of Abnormal DC Resistance Fault in Transformer

一种快速测量变压器绕组直流电阻的新方法

A New Quick Measuring Method of DC Resistance of Transformer 's Windings

采用三通道法测量变压器直流电阻时应注意的问题

Problems to Measure Transformer DC Resistance with Three Channel Method

交流电机绕组直流电阻测试的有效性探讨

Analysis of the Availability of DC Resistance Measurement for AC Electric Machine

电力设备直流电阻测量用恒流源研究

Study of constant-current source for measuring DCR of large electric power equipment

电力变压器直流电阻快速测量的研究

The Study of Transformer 's DC Resistance Rapid Measurement

变压器绕组直流电阻不平衡原因的分析

Analysis on Reason to Cause the DC-Resistance of Transformer Winding to be Lopsided

中频逆变直流电阻焊优势探讨

Discussion on advantages of MF inverter DC resistance welding

宇航用铝合金的三相直流电阻焊

- Phase DC Resistance Welding of Aerospace Aluminum Alloy

一种检定直流电阻箱的新方法

A new method for verification of DC resistance box

三通道法测量变压器直流电阻的局限性

Limitations of 3-channel Method to Measure Transformer DC Resistance

采用有限元方法，对板材直流电阻对焊时板宽方向的温度场变化进行了研究。

It has been studied by finite element method .