Top core cutting line supplier factory: Adjustment under heavy load or short circuit conditions is not allowed: Under heavy load or short circuit conditions on the transformer, tap changer adjustment may cause arcing or excessive current, resulting in damage to the tap changer or transformer. Obey the operating procedures and safety measures: When operating the on-load pressure regulating device, you need to abide by the operating procedures and safety measures, such as wearing protective equipment and following the operating procedures to ensure safe operation. In summary, it is not allowed to operate under live conditions, frequent adjustments, heavy loads or …