变压器

Comparative heat aging experiments were carried out about disposal transformer oil and disposal transformer oil with afflux oxygen.

而热老化是变压器油老化的主要原因之一，因此研究超高压（500kV）变压器油热老化过程中特性参数变化具有重要意义。

Transformer parameters influence due to the coil position and air gap is discussed and simulated by means of ANSYS.

讨论了绕组位置和气隙对可分离变压器参数的影响，并利用电磁场软件ANSYS进行了有限元仿真，得出了变压器参数随气隙变化的规律。

TRANSFORMERS AND REGULATORS 1-1 INTRODUCTION Transformers provide a simple means of changing an alternating voltage from one value to another.

变压器和监管 1-1引言变压器提供了一种简单的手段不断变化的交替电压从一个值到另一个。

The relationship between the angle of port plate and pressure change of the slot is analyzed.

在研究液压变压器柱塞运动规律基础上推导液压变压器的槽口排量，分析槽口压力变化与配流盘控制角度的关系。

The displacement of the HT depends on the angle of the valve plate and is not influenced by rotation and loads.

第五章，建立了液压变压器恒压网络实验测试系统，并开展液压变压器的性能测试研究。

The products includes on-line intelligent monitoring and diagnosis system of six dissolved gases and water contents in transformer oil; transformer partial discharge on-line monitoring system; capacitive electrical apparatus and metal oxide arrestor insulation on-line monitoring system,etc,.

该产品包括变压器油中六种溶解气体及微水含量在线智能监测诊断系统；变压器局部放电在线监测系统、电容性电气设备及金属氧化物避雷器绝缘在线监测系统等十多种系列产品，监测特征量多、功能齐全，智能化程度高，可靠性和灵敏度满足工程运行要求。

For UHV autotransformer, its voltage regulating method is special because of its voltage is so high.

特高压变压器在考虑体积、造价及可靠性的情况下，采用单相自耦变压器成为必然。

Operational features and load characteristics of autotransformer common winding under different work conditions are analyzed in detail.

针对电网内自耦变压器不同运行工况，详细分析了自耦变压器公共绕组的运行特性及其负载特性。

Consideration of the structural characteristics of autotransformer, the principles and characteristics of zero-sequence differential protection are analyzed by taking PST1200 as an example, debugging method of zero-sequence differential protection is summed up briefly, the method can well verify the logical function correctness of zero-sequence differential protection, and it has been verified in practical application.

结合自耦变压器的结构特点，以南自PST1200变压器保护装置为例分析了零序差动的原理构成及特点，简要总结了零差保护的调试方法，能够较快且准确的校验零差保护逻辑功能的正确性，并已在实际工作中得到了很好的验证

In this paper the reason of rapid increase of single phase short circuit current in 500 kV substation is analyzed. Through the calculation it is proved that neutral grounding by small reactance is an effective measure to reduce the single phase short circuit current, and the calculation method of the zero\|sequence reactance after autotransformer neutral grounding by small reactance being applied is expounded.

文中研究了500kV变电站单相短路电流急剧增长的原因，计算了变压器中性点经小电抗接地对限制单相短路电流的作用，论证了经小电抗接地是限制单相短路电流的有效措施之一，并阐述了500kV自耦变压器中性点经小电抗接地后，其等值零序电抗的计算方法，可供工程参考。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。