primary winding

英 [ˈpraɪməri ˈwɪndɪŋ]

美 [ˈpraɪmeri ˈwɪndɪŋ]

一次绕组；原绕组

电力

英英释义

noun

• coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit
  1. current through the primary coil induces current in the secondary coil
  Synonym:primary coilprimary

双语例句

• Some proposals are given: selecting TV with good excitation characteristic, reducing grounding number of TV in same network, keeping the symmetry of line-earth capacitance and paying attention to insulation coordination in neutral point of primary winding.
  电磁式TV在使用中应注意选用励磁特性好的产品、减少同一系统中TV中性点接地的数量、保持系统三相对地电容的对称性，同时注意高压绕组中性点的绝缘配合问题。
• Relation between Relay Protection and Distribution of Secondary Winding and Outlet Way of Primary Winding in Current Transformer
  电流互感器二次绕组排列及一次绕组出线方式与继电保护的关系
• The inductance of primary winding, secondary winding and the mutual inductance between two windings of the models are calculated by solving the 3D magnetostatic field in the models.
  通过计算带抽能线圈并联电抗器模型的三维静磁场，得到带抽能线圈并联电抗器模型的一次、二次线圈的电感和互感等参数。
• 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.
  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。
• Through various short-circuit current temperature rise test results, the transformer temperature, time, and a high degree of three curves, obtained directly within the thermal region transformer primary winding height of about 83.3%.
  通过在不同短路电流条件下的温升试验，得到了变压器内部的温度与时间、纵向高度之间的关系曲线，得出变压器内部热区域主要集中在约绕组自下而上高度的83.3%区域。
• The using ratio of the electric energy is greatly raised by using the feedback energy from the primary winding of the high frequency transformers.
  该电源采用双管正激的主电路结构，用高频变压器的电感取代了限流电阻，利用了高频变压器初级绕组的反馈电能，极大提高了电能利用率。
• Study of Novel High Efficiency Single-phase Induction Motor with Three Series-connected Windings Relation between Relay Protection and Distribution of Secondary Winding and Outlet Way of Primary Winding in Current Transformer
  新型三绕组高效单相感应电动机研究电流互感器二次绕组排列及一次绕组出线方式与继电保护的关系
• The strength calculation method and the structure of current transformer with U primary winding to fulfil the dynamic stability requirements are introduced, and some calculating examples are given.
  介绍了U形一次绕组电流互感器可满足动稳定要求的结构及强度计算方法，并给出了计算实例。
• The distribution of the third harmonic magnetic field in imported large rectifier transformer is analyzed. The reason of conductor damage in winding is discussed. The overheat possibility in primary winding is expounded.
  分析了进口大型整流变压器三次谐波磁场的分布，讨论了绕组导体绝缘损坏的原因，一次绕组存在过热的可能性，提出了可采取的改进措施。
• The main circuit of protection equipment is a fast power electronic switch negatively paralleled on the side of test transformer primary winding, the control circuits are mainly composed of input circuit, amplifier, voltage comparator, timer, forming pulse circuit and strong trigger.
  该装置的主电路采用了反并联在试验变压器一次侧的快速电力电子开关，控制电路由信号输入电路、放大电路、电平比较电路、定时电路、脉冲形成电路和强触发电路等组成。