The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Application of Equivalent Instantaneous Inductance in Nonstaturation Zone to Identify the Sympathetic Inrush in Transformer
Author(s): 
Pages: 21-24
Year: Issue:  4
Journal: ELECTRICAL EQUIPMENT

Keyword:  变压器差动保护和应涌流等效瞬时电感;
Abstract: 和应涌流可能引起运行变压器差动保护误动,影响变压器的正常运行,但目前还没有判别运行变压器中产生和应涌的有效方法.文章根据变压器和应涌流产生的原因,利用等效瞬时电感能够正确反映变压器运行状态的特点,由非饱和区内等效瞬时电感平均值的大小判别运行变压器发生和应涌流,闭锁差动保护,防止其误动.仿真和实验结果证明该方法较二次谐波比励磁涌流闭锁判据及三次谐波比电流互感器饱和判据在识别和应涌流方面具有可靠性高、抗电流互感器饱和能力强的优点.
Related Articles
No related articles found