电力变压器

• 来源期刊: 电技术：英文版
• 学科: 工学
• 关键词: 电力变压器 差动保护 辅助电路 软开关
• 年，卷（期）: 2005,（1）
• 页码范围: 33-34
• 页数: 2页
• 分类号: TM41

摘要

1 ATM SUBCOOLED LIQUID NITROGEN CRYOGENIC SYSTEM WITH GM-REFRIGERATOR FORA HTS POWER TRANSFORMER; A contactless electrical energy transmission system for portable-telephone battery chargers; A current-based solution for transformer differential protection - Part Ⅱ: relay description and evaluation; A forward converter topology employing a resonant auxiliary circuit to achieve soft switching and power transformer resetting; A new method based on wavelet packet transformation to reduce narrow band noise in on-site PD measurement; A New Method for the Calculation of the Hot-Spot Temperature in Power Transformers With ONAN Cooling;