查询词典 phase transformer

The dips deriving from transformer energizing can be distinguished via ST contour easily, and the dips caused by faults or motor inductions are classified using corrected first central moment and phase angle curve of amplitude envelope vectors from S-matrix.

利用S变换时频等值线图可以容易地识别由变压器激磁引起的电压凹陷；对于由各种故障和感应电机启动引起的凹陷，通过求取S矩阵幅值包络向量的修正一阶中心矩和相位变化曲线实现了分类。

The company's main business for the enamelled round aluminum wire, copper clad aluminum wire and bare Wire manufacturing and sales, led 220 Products for polyester composite polyimide enamelled round aluminum wire, copper clad aluminum wire and bare wire, etc. widely used in: Microwave oven transformers, three-phase power transformers, low voltage control transformer, dual hot washing machine motor, rectifier, large screen color TV degaussing coil, kitchen electrical, magnetic ore sorting equipment, automobile spare parts and wire and cable and so on.

公司的主营业务为漆包圆铝线、铜包铝线和裸铝丝的制造和销售，主导产品为220级聚脂复合聚酰亚胺漆包圆铝线、铜包铝线和裸铝线等，广泛应用于：微波炉变压器、三相电力变压器、低压控制变压器、洗衣机双热电机、整流器、大屏幕彩电消磁线圈、厨房电机、磁矿选设备、汽车备件及电线电缆等。

In order to achieve good control effect in the research of special electronic power transformer,we employed Park transformation to implement the transfer from the double closed-loop decoupled control of three-phase to four-phase EPT s primary side.

在特种电子电力变压器的研究中，为了达到良好的控制效果，采用Park变换来实现三相变换到四相电子电力变压器高压侧的双闭环解耦控制。

According to the fault case,the effect of singe-phase fault and open phase to transformer neutral ins.

结合实例，分析了单相短路和非全相运行时对不接地变压器中性点绝缘的影响，以及各种短路故障时接地变压器的耐热稳定性和耐动稳定性。

At resonance the tank current is real and in phase with the coupler transformer voltage, which is in phase with the inverter voltage.

谐振时，振荡器的电流和耦合变压器的电压同相，还有逆变器的电压。

The cause of phase error in electronic transformer is analyzed.The phase-lead caused by Rogowski coil and time-delay in signal transferring from high voltage side to merging unit are defined and analyzed.

简要分析了电子式互感器产生误差的原因，对Rogowski线圈产生的相位超前和高压侧向合并单元传输信号所产生的延时分别作出定义和分析。

Electronic transformer ; phase error ; phase compensation

电子式互感器；相位误差；相位补偿

The problem of phase order in transformer substation s erection;2. The wire linking is completely checked by active power value,reactive power value,mutual inductor polarity, phase order and the link of detecting instruments.

分析了功率测量的基本原理、判断错接线的方法，提出用有功测量值来判断接线的正确性是不全面的，应从有功测量值、无功测量值、互感器极性和相序以及测量仪器的接线判断接线的正误。

Discussion on some protection problem about power line operating with phase failure ;2. This article describes phasor diagram analysis on two sides of 10 kV distribution transformer with phase failure operation by symmetrical component method.

针对10kV配电变压器的缺相运行，采用对称分量法对变压器高、低压侧断线分别进行了分析，得出各侧电压、电流的各序分量，较全面总结了配电变压器非全相故障运行特征。

It is misunderstood that the backup impedance protection is high-ly sensitive to the inter-phase fault,inter-turn fault and single phase-to-ground fault at star winding of the windings of generator and transformer.

有些人误认为，后备阻抗保护对发电机定子绕组和变压器各侧绕组的相间、匝间短路、YN侧的单相接地短路有很高的灵敏度。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐