铁磁材料内部磁场分布的计算是漏磁通无损检测的基本问题之一。
The Calculation of magnetic field distribution in ferromagnetic material is one of fundamental problems of MFL nondestructive test.
提出采用主磁通与漏磁通相结合的方法检测在用油管剩余壁厚的方法。
A measuring method combining main magnetic flux and magnetic flux leakage for approaching the residual wall thickness of the oil well tubing in-service was presented.
利用大容量高速开关装置，在正常运行时将串联电抗器短接，消除电抗器漏磁通对其周围的金属产生的涡流发热；在发生短路情况下该装置快速断开，重新将电抗器投入，限制短路电流。
By high capacity high-speed switch, the series reactor is shorted during normal operation, eliminating the reactor leakage magnetic flux to eddy hot produced metal member around it.
利用大容量高速开关装置，在正常运行时将串联电抗器短接，消除电抗器漏磁通对其周围的金属产生的涡流发热；在发生短路情况下该装置快速断开，重新将电抗器投入，限制短路电流。
By high capacity high-speed switch, the series reactor is shorted during normal operation, eliminating the reactor leakage magnetic flux to eddy hot produced metal member around it.
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