变压器

Meanwhile the method forcalculating the equivalent inductance and capacitance parameters of power transformer windingis studied embarked from the project application angle.

从工程应用的角度出发，研究通过计算提取变压器线圈的电容、电感的方法。

As a result, the resonance formed by the transformer leak inductance of power supply and the equivalent capacitance of dielectric layer is a key reason resulting in the abnormal phenomena.

研究发现，产生频率反常特性的原因是由于DBD电介质层等效电容与激励变压器初、次级漏感谐振造成的。

A transformer winding deformation identification method is proposed,which is basded on the equivalent circuit equation and applies the least square algorithm for parameter estimation.

随着电网容量的扩大，电力变压器的功率传输容量和电压传变等级也在不断提高，其性能好坏直接影响电力系统的安全稳定运行。

Therefore, sensitivity and reliability of transformer protection can both be improved by calculating equivalent instantaneous leakage inductance.

因此，通过计算等效瞬时漏感参数，可同时提高变压器保护的灵敏性和可靠性。

In the dissertation, the work is as follows: 1 The lump equivalent circuit of the single layer piezoelectric transformer has been set up, and the expression formulae of the equivalent inductance, capacity and resistance has been derived.

本论文主要工作如下： 1）从传统的方法出发，建立了单层压电变压器的集总式等效电路图，给出了等效电感、电容与电阻的表达式。

In energy loss calculation, a method named equivalent resistance is introduced.

电能损耗计算中运用等值电阻法计算电能损耗，它将配电网中由线路和变压器绕组产生的可变损耗等价为两个等值电阻上的损耗，同时根据实际电网中负载的变化对这两个电阻进行修正，最后计算出网络的电能损耗。

Meanwhile, by means of generalized transform method, its two-phase equivalent circuit, impedance transformation and nodal admittance matrix in phase coordinates are given in order to analyze and calculate the problems related to the terminals connecting power grid with traction power network.

同时借助端口电气量的一般变换方法，给出了YNvd接线变压器两相等值电路、阻抗变换以及相坐标下的节点导纳矩阵，以便分析和计算与电力系统和牵引网端口有关的问题。

The life curve of the transformer is different from life curve of the electronic product and it disobeys the exponential distribution.

变压器的寿命曲线与电子产品的寿命曲线不同，并不服从指数分布。

With the implementation of TQM system, our company has set up QMS conforming to ISO9001:2001 requirements and carried out standardized operation continuously and effectively. Annual capacity of neon transformer and LED SMPS has reached 2 million and 1 million respectively. And our products are selling well in over 30 cities in . Nanyuxing is one of the first domestic enterprises to obtain UL, CE and EMC accreditation. Its products can be used both interiorly and exteriorly with the level of protection being IP67. Design of the shell of our LED SMPS has been patented.

公司实行了全面质量管理体系，严格按照ISO9001：2000标准的要求建立质量管理体系的同时持续有效地进行规范化运作，目前公司霓虹灯变压器的年产量达200万台以上，畅销全国30多个省市；LED开关电源的年产量达百万台，首家在国内取得了UL、CE、EMC等认证，其产品不但可以在室内外使用，而且防护等级达到IP67，公司所设计的LED开关电源外壳具有设计专利证书，产品种类多种多样，以便适合不同客户的需求，产品远销到欧洲、美洲等国家。

It is pointed out that the application of several artificial intelligent technologies is the development trend of voltage transformer failure diagnosis.

指出综合运用多种人工智能技术是变压器故障诊断的发展方向，并提出了有针对性的建议。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。