How to use the Smart Non-Contact Voltage Meter to test the lamp to detect the inter-turn short circuit of the power transformer winding
It is difficult to judge the short circuit between turns of the power transformer winding. The secondary winding is disconnected from the load, and the primary winding is connected to the lamp. Connect the two hundred and two power supply across the turn, and the inter-turn short circuit light will be brighter.
The filament is reddish and does not shine, and the winding is normal without short-circuit.
