Study and Application of Transformer Economic Load Dispatch 变压器负载经济调度方式的研究与应用
If regulating equipment is needed, it may be desirable to provide it in the transformer by using load tap changer ( LTC) equipment. 若需要调节设备,可要求在变压器中采用有载分接开关(LTC)设备。
Auto-switching equipment for economic operation of transformer based on load forecast 基于负荷预测的变压器经济运行自动投切装置
Measurement Principle Analysis of Y/ yn Transformer with Single-phase Load Y/yn接线变压器带单相负载的计量原理分析
The equivalent resistance is derived for distribution transformer load loss and line loss of planning grid, and the maximum current is calculated for each feeder according to their capacity ratios. 推导出规划网架的线路损耗和配变负载损耗的等值电阻,利用馈线容量比值估算馈线最大电流。
Electric saver can improve the power factor, reducing input current, lighting the transformer's load, and increasing efficiency and transformer's volume. 提高功率因数,降低输入电流,减轻了变压器的负荷并提高了效率,增大了变压器的容量。
The generator neutral point of Hubei Tiantang Pump-storage Power Station adopts the earthing scheme through distribution voltage transformer with secondary load resistance. 湖北天堂抽水蓄能电站发电机中性点采用带二次负载电阻配电变压器的接地方式。
Burden error of PT Substation transformer load balancing and load monitoring 电源变压器负载误差变电站变压器负荷平衡和负荷监测
Substation transformer load monitoring 变电站变压器负荷监测
Optimum model for substation's economical capacity and the configuration of transformer under different load density 变电站的经济容量优化模型及其不同负荷密度下的变压器配置研究
Substation transformer load balancing and load monitoring 变电站变压器负荷平衡和负荷监测
Representative Malfunction Analyses And Treatment Of Transformer On Load Tap Changer 变压器有载分接开关典型故障分析与处理
An analysis and calculation of the transformer annexe copper loss caused by transformer load undulating 电力变压器负荷波动附加铜损及其计算
On Structure Improvement of Transformer On Load Tap Changer for Moisture Resisting 电力变压器有载调压开关防潮结构的改进探讨
In the course of running of a transformer in load, both the transformer and its load impedance have affection on the change of vice-side voltage. 变压器在实际的负载运行中,负载阻抗及变压器自身都影响着副边电压的变化。
Achievement of Single iron Core Rectifier Transformer with Load Ratio Adjustment and Phase Shift 单器身有载调压兼移相整流变压器的实现
Improvement of the Power Factor of Transformer Load by Zero passage Periodic Wave Triggering 用过零周波触发方法提高变压器负载的功率因素
Indication and conversion of voltage-regulating transformer on load 有载调压变压器档位显示转换
A Method of Adjusting Tap of Converter Transformer for Load Flow Calculation of AC/ DC Power System 交直流系统潮流计算中换流变压器分接头的调整方法
This paper analyses the transformer annexe copper loss caused by the transformer load undulating and presents some formulae for calculating the transformer annexe copper loss with a view to providing a basis for an economical operation of transformers. 本文分析变压器负荷波动引起的变压器附加损耗,推导变压器负荷波动附加铜损计算公式,为变压器经济运行提供依据。
The thesis discussed the fundamental which is voltage grade, reliability, connection mode, transformer load and power equipment. 论文阐述了城市电网规划中电压等级、供电可靠性、接线方式、变压器负荷率取值和供电设施的基本原则。
The comprehensive switching control is carried out by the control strategy of combining transformer load with transformer temperature and the change rate of temperature. The cyclic operation of cooling unit group is controlled by the principle of accumulated operating time balance. 装置以变压器的负荷、油面温度与温度变化率相结合的控制策略进行冷却器的综合投切控制,以冷却器组的累计运行时间基本均衡为原则进行冷却器组循环控制。
Simulative model and its application of regulated capacity transformer on load 有载调容变压器的仿真及应用
How to select capacity of transformer according to the annual hours max-load power, to calculate active kWh loss and kvar loss of transformer using load undulation loss factor are introduced, and a technology-economic analysis is made in this paper. 本文介绍根据年小时最大负载功率来选择变压器容量,应用负载波动损耗系数计算变压器有功电量损耗和无功电量损耗,并进行技术经济分析。
The thesis adopt investigation and fuzzy clustering to gain all kind of industry trades and transformer sub-stations load static characteristics. 以用户调查资料为依据,综合得出各行业的静态负荷特征参数和各变电站的静态特征参数。
Single-microcomputer System Tests Transformer Load 单片机系统测试变压器负载
Multi time scale characteristics of the system was illustrated after building the dynamic models of distribution line, on load tap changing transformer and load. 文中建立了包括DVR在内的线路、有载调压变压器、负荷等相关设备的数学模型,指出了系统的多时标特性。
Mainly carries on in the load current wave test process using the current transformer the load current the transformation, simultaneously turns on the synchronized signal to carry on the contrast to use in the profile the analysis. 在负载电流波形检测过程中主要运用电流互感器将负载电流进行转换,同时接入同步信号进行对比用于波形的分析。
In recent years, there has been some differential protection of transformer malfunction accidents, when transformer load switching nearby. Studies of domestic and foreign experts have shown that lead to such accidents mainly due to sympathetic inrush. 近年来,出现了多起空载变压器合闸,相邻变压器的差动保护误动的事故,国内外专家研究表明引发这种事故的主要原因是空载变压器合闸所引起的和应涌流。
Notably, the temperature in the hottest district of the winding is regarded as the essential constraint on the transformer load. 变压器绕组最热区域内达到的温度,也是变压器负载值的最主要限制因素。