The transformer oil is an important liquid dielectric material in the transformer; it plays the roles of insulation, cooling and extinctionofarc.
变压器油是变压器内部重要的液体绝缘介质，起绝缘、冷却和消弧的作用。
2
Be based on distribution automation, the probability and feasibility of the parallel connection ofarc-extinction coils is analyzed.
在配网自动化的基础上分析了消弧线圈并联运行的可能性和可行性。
3
It also indicates that the accuracy and reliability of time retardation for arcextinction can be increased by replacing traditional extinction relay with electron extinction circuit.