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- The AC/DC standard resistor is a resistance standard, which can be used in calibration of DC resistance and AC resistance. 交/直流标准电阻器为适用于直流及交流电阻校正之电阻标准器。
- DC resistance standard 直流电阻基准
- The electrodes follow the ASTM Standard D257 entitled “DC Resistance or Conductance of Insulating Materials. 其电极满足ASTM标准D257“绝缘材料的直流电阻或电导”的要求。
- This provides reference to transformer DC resistance test. 为变压器直流电阻试验提供借鉴。
- At low frequencies, the DC resistance of a given conductor is essentially the same as its AC resistance. 在低频情况下，给定的导体的直流电阻实际上与其交流电阻一样。
- The bandwidth can be expanded by decreasing the compensation winding DC resistance or increasing theimpedance gain. 因此减小补偿绕组的直流电阻,即增大其阻抗增益,可以扩展系统的频带宽度。
- It is suitable to be used as precise resistance standard for metrology units, research institutes, and factories. 适用于各计量机构、科研与生产部门、用作精密电阻标准。
- Internal electrodes feature low DC resistance, minimizing wasteful power consumption. 内电极特色为低直流阻抗;抑低无谓的电流损耗.
- It is suitable to be used as precise resistance standard for metrology units, research institutes,factories, and especially for Meggers calibration. 适用于各计量机构、科研与生产部门、用作精密电阻标准，尤其适用于高阻表的检定。
- This paper analyzed the case of unbalanced DC resistance for on-load regulating transformator,and also presented some traeting method. 分析有载调压变压器不平衡的原因,找出可行的处理方法,使变压器直阻达到平衡。
- It is suitable to be used as precise resistance standard for metrology units, research institutes, factory, and especially for Meggers calibration. 适用于各计量机构、科研与生产部门、用作精密电阻标准，尤其适用于高阻表的检定。
- It is suitable to be used as precise resistance standard for metrology units, research institutes, factories, and especially for Meggers calibration. 适用于各计量机构、科研与生产部门、用作精密电阻标准，尤其适用于高阻表的检定。
- This requirement for large capacitance yields a power supply with less internal DC resistance; that is to say, one providing close to the performance of an ideal power supply. 这一规定出土了大量电容直流电源内部阻力较少;也就是说提供一个理想的表现接近电源。
- It is suitable to be used as precise measuring standard and precise AC/DC resistance standard for factories, colleges, and research institutes. 适用于工厂、学校和科研单位作精密测量及精密交/直流电阻标准。
- The method to verify DC resistance box automatically using digital multipurpose meter is introduce as well as the software and program,and the error analysis is done. 介绍了用数字多用表自动检定直流电阻箱的方法及软件程序,并进行了误差分析。
- CH1200 winding turn tester can conveniently measure turns and DC resistance of windings, including that of motor, transformer, electronic engine, relay, etc. CH1200线圈圈数测试仪系列,能方便测试各种绕线线圈的圈数及直流电阻值。
- The hard ware and soft ware of three phase DC resistance welding micro controller is introduced in this paper.The theory of voltage auto compensating is specified too. 介绍了三相次级整流阻焊微机控制器的硬件结构及设计、软件设计及流程,并对网压补偿原理作了较详细的介绍。
- The paper introduces the saturable magnetic circuit method to measure the DC resistance of low voltage winding of large-size transformer with a practical application. 介绍了一例用助磁法测量大型变压器低压侧直流电阻的接线、仪器、测试过程和测试结果,讨论了助磁法运用于实际应注意的一些问题。
- When measuring winding DC resistance by sensibility load ohmmeter, the connection and the measure method shall comply with equipment technical requirements. 用感性负载速测欧姆计测量绕组直流电阻时;其接线及测量方法应符合测试仪器的技术要求.
- The discovery of the Quantum Hall effect in a two-dimensional electron system not only provides a new method for determination of the fine-structure constant but also may be used to develop a resistance standard, which will be outlined in the paper. 二维电子系统量子霍尔效应的发现;不仅提供了一种测定精细结构常数的新方法;而且还可用作电阻标准.;本文简要介绍这一领域的概况
