Рет қаралды 97,965
The device is an AC transformer having only a primary winding, with a magnetic gap in the core. The core to be checked is anchored in the core gap, and its winding becomes the secondary winding of the transformer. In the case of short-circuited turns in the anchor being checked, since the turns are distributed in groups, local magnetic supersaturation of iron arises, which is easily detected by the rattling of a steel plate placed on the armature iron above the turn (for example, a saw blade). We rotate the anchor in the magnetic gap, so that the plate is over different coils. Where there is an interturn closure, the plate begins to vibrate noticeably. A closed loop, theoretically begins to warm up
And also how to determine the thread anchor: https: // • Как определить поломку...
• Video
• Болгарка искрит на щет...