从电磁、结构和通风设计及制造工艺专利技术方面介绍4500kW高压大功率三相绕线式异步电动机的技术特点,并展示了该高压大功率绕线异步电动机开发方面的要点。

@@@@The technical feature of the 4 500 kW high-voltage large-power winding-rotor three-phase asynchro-nous motor was introduced in the field of electromagnetic, construction and ventilation design as well as the manufac-turing patent. The key points to develop high-voltage large-power winding-rotor three-phase asynchronous motors were presented.

大功率电力电子技术及其应用有利于提高电力系统的安全稳定和电能质量,推动着电网技术的进步.南方电网公司承担了多项涉及对高电压、大功率电力电子技术的国家级科技项目,已将多套先进的电力电子装置投入到所建成的多项高压直流输电工程中.阐述了南方电网在高压直流输电、直流融冰、SVC、串补、静止同步补偿装置、柔性直流输电和新能源等领域,对大功率电力电子技术的研究和应用所取得的成果及相关的示范工程,显示了南方电网积极推动大功率电力电子技术的发展对电网科技进步做出的突出贡献.

Abtracts:The high power electronic technology and its application have the advantage of enhancing the system security and stability and power quality, and thus promote advances in grid technology. China Southern Power Grid Co., Ltd. (CSG) has undertaken several national science and technology projects involving in high-voltage and high-power electronic technologies, and puts certain advanced power electronic devices into its established HVDC transmission projects. This paper introduces the CSG’s research achievements of high-power electronic technology in the fields of HVDC, De-Ice, SVC, TCSC, STATCOM, VSC-HVDC and new energy resource as well as the related demonstration projects, showing that a prominent contribution to promote advances in grid technology has been done by CSG through its development of the high-power electronic technology.

本篇文章针对大功率高压变频器的有效运用一题进行了深入的研究，其中包括变频器的简介、高压变频器的控制方案和特点、高压变频器在应用中需要注意的几个问题以及高压变频器的故障分析等，以期能够对各位同仁带来一些具有参考性的意见。

This paper conducted in-depth research on effective use of a high-power high-voltage inverter , which includes introduction of transducer , control scheme and characteristics of the high voltage inverter , several problems needed to be aware of and fault analysis of high voltage frequency converter , etc . , hoping to bring some referential comments to counterparts .

本文就越来越多的企事业单位使用大功率电源却缺乏有效校准手段的问题展开讨论,并通过研制校准装置(含高压和大电流两个模块),建立校准系统来解决问题。

In the paper, the more and more enterprises use high-power supply has the issue of lack of effective calibration method, and through the reseach of the calibration device (including high pressure and large current two modules), establish a calibration system to solve the problem.

介绍了功率IGBT模块封装中所用到的氮化铝DBC技术和铝碳化硅技术,通过对其材料特性、技术特点分析以及其对IGBT模块性能的影响分析,说明了氮化铝DBC和铝碳化硅在未来高压大功率IGBT模块发展中的作用和发展趋势。

T his paper described D irect B onding of C opper (DBC) technology for alum inum nitride substrate and alum inum silicon carbide (A lSiC ) technology used for high pow er IGBT m odule packaging, analyzed m aterial properties, technical characteristics and their im pacts on IGBT m odule perform ance, illustrated the role of both technologies in the developm ent of high pow er IGBT m odule in the future,and discussed their developm enttrends.