220kv

Guangxi 220kV / 110 kV Substation Simulation System for Training

广西220kV／110kV变电仿真培训系统

The influence of 500 / 220kv pivot substation on the operation of Anhui power system

安徽电网500/220kV变电枢纽对系统运行作用的研究

The Tests and Studies of 35 ~ 220kV Cylindrical Insulators Series Used in Heavy Pollution Areas

35～220kV系列重污棒型支柱绝缘子的试验研究

It can be used to realize integral automation in 35 ~ 220kV substations .

它适用于35～220kV的各级变电站实现综合自动化。

The analysis on the status quo and problem of the neutral protection of 110 ~ 220kV transformer in Shandong power network

山东电网110kV～220kV变压器中性点保护现状、问题及分析

Analysis on the maloperation of 220kv # 2 main transformer differential protection of Licheng substation

荔城变电站220kV~2主变差动保护误动的检查情况分析

Mechanism of tg δ Rising Again of 110 ~ 220kV Oil-filled Instrument Transformers

110～220kV油浸式互感器tgδ回升机理

Overproof Analysis of On-Load Loss in 180MVA / 220kV Power Transformer

180MVA/220kV电力变压器负载损耗超标分析

Analysis of Technological Factor for 240MVA / 220kV Double-Winding Step-Up Transformer

240MVA/220kV双绕组升压变压器工艺系数分析

The equipment can be directly switched onto 110 ~ 220kV bus , up-to 60 orders .

从理论角度概括分析了装置的基本特性，指出该装置可直接接于110kV和220kV母线，且级数可高达60多级。

Ferroresonance as Caused by Electromagnetic Voltage Transformer at 110 ~ 220kV Substations and its Suppression by Means of Voltage Stabilizer

110～220kV变电所中的互感器谐振和稳压消谐

It owns 168 the transformer substation of 35 & 220kV , It turns the amount of power supply about 60 hundred million kWh , tallest carry 1,070,000 kW every year .

35&220kV变电站168座，年转供电量约60亿kWh，最高负荷107万kW。

From the design level , material prices , technical standards , policy adjustment , the angle of the external environment caused by Shizuishan Power 110 ~ 220kV transmission line engineering cost changes of major and sensitive factor , with some reference .

从设计水平、材料价格、技术标准、政策性调整、外部环境等角度提出造成石嘴山电网110-220kV线路工程造价变化的主要和敏感性因素，具有一定的借鉴意义。

A 150MVA / 220kV high impedance transformer is calculated by finite element software of leakage field . The short circuit impedance , winding eddy loss , structural part stray loss and short circuit electrodynamic force are analyzed .

利用漏磁场有限元软件对150MVA/220kV高阻抗变压器进行计算，并分别就短路阻抗、绕组涡流损耗、结构件杂散损耗和短路电动力进行分析。论文由如下三部分组成。

Taking into consideration of division operation model of 220kV 、 110kV three-winding transformers in Yuncheng power grid , the paper analyses the faults of this operation model in the view of safety and economy and puts forward some proposals .

针对运城电网220kV、110kV三绕组变压器的分裂运行方式，从安全性、经济性方面分析了此种运行方式存在的问题，并提出了建议。

A lot of simulations show that it can identify the temporary and permanent faults correctly and be easily applied in a practical system such as 110kV ~ 220kV transmission lines as well as 330kV ~ 500kV transmission lines without shunt reactors .

仿真结果表明：该判据可以准确地区分永久性和瞬时性故障，适用于110kV-220kV线路和不带并联电抗器的330kV-500kV线路。

The testing results and the calculating results of the perameters such as no-load loss , no-load current and short-circuit impedance of several 240MVA / 220kV double-winding step-up transformers are compared and analyzed . The experienced coefficients of the parameters are given .

对几台240MVA/220kV双绕组升压变压器的空载损耗、空载电流和短路阻抗这几个重要参数的试验数据和设计计算值进行了比较与分析，得出了这些参数的一些经验系数。

110 ~ 220kV XLPE power cable has been an important component of the power system . XLPE power cable has many advantages , such as excellent dielectric properties and heat resistance , large transmission capacity , light weight , simple structure of cable terminations , and facilitated installation .

110～220kVXLPE电缆已成为电力系统的重要组成部分，XLPE电缆具有优良的介电性能和耐热性能、传输容量大、重量轻、电缆终端头结构简单、安装敷设方便。