Sulfide miring and common crystal of phospherous also existed on the fracture crose sections, which caused the fracture of cast iron. 断口截面同时存在硫化夹杂以及磷的共晶体,从而导致灰口铸铁在该处断裂破坏。
This paper analyzes the status of dielectric loss tester and introduces the principles 、 characters 、 test miring and application example of Intelligent AI-6000 ( C) HV Frequency Conversion Dielectric Loss Tester in detail. 分析介质损耗测试仪的现状,阐述了AI-6000(C型)高压智能变频介质损耗测试仪的原理、特点、测试接线及应用实例。