Method and apparatus for fault detection of power device

• Main Authors: ZUO XIAOMING, FU JUNHUA, GUAN JIANTAO, WANG HAO, ZHANG JI
• Format: Patent
• Language: Chinese; English
• Published: 25.06.2019
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; PHYSICS; TESTING; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR

The invention relates to a method and apparatus for fault detection of a power device. The method comprises steps: a first temperature rise of each of a group of same-attribute contact points on threephases of a power device is acquired, wherein each group of same-attribute contact points is three c...