Results 51 to 55 of about 55 (55)

浅谈变压器差动保护中不平衡电流的产生原因和克服方法

Gaoya dianqi, 2005
简要阐述了变压器差动保护的工作原理,分析了差动保护中不平衡电流产生的原因,针对不同的原因 ...
王凤杰
doaj  

特高压交直流耦合电网主变充电对特高压直流运行影响研究

Gaoya dianqi, 2019
随着特高压交直流工程大规模建设和交直流耦合程度的加深,多直流馈入受端电网主变充电对直流输电及受端电网运行具有一定影响。根据规划2017年淮沪特高压交流南半环重要枢纽苏州站将投运,为了研究特高压交流苏州站启动调试期间充电对锦苏直流运行的影响,在RTDS中搭建了锦苏直流和淮沪特高压交流及周边等值交流电网,采用与锦苏直流输电工程在控制保护功能和故障下的暂态响应等方面特性一致的特高压直流控保真型装置与RTDS构成闭环仿真平台,对锦苏直流近区空充主变以及特高压交流主变后锦苏直流运行情况进行了仿真分析。结果表明 ...
卫鹏, 周前, 朱鑫要, 汪成根, 张宁宇, 陈静   +5 more
doaj  

[Progress and prospect of separation and analysis of single-cell and single-particle exosomes]. [PDF]

Se Pu
Bu AX, Wu GY, Hu LH.
europepmc   +1 more source

[The analysis of invention patents in the field of artificial intelligent medical devices]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhang T, Chen J, Lu Y, Xu D, Yan S, Ouyang Z.   +5 more
europepmc   +1 more source

[Clinical Practice Guidelines for the Management of Brain Metastases from 
Non-small Cell Lung Cancer with Actionable Gene Alterations in China (2025 Edition)]. [PDF]

Zhongguo Fei Ai Za Zhi
Lung Cancer Medical Education Committee of Chinese Medical Education Association, Brain Metastasis Collaboration Group, Youth Specialists Committee of Lung Cancer of Beijing Medical Reward Foundation.   +2 more
europepmc   +1 more source