| 摘要 |
PURPOSE: A distribution board for a panel transformer is provided to reduce load loss by automatically controlling the number of the panel transformer according to the load. CONSTITUTION: A panel transformer(A) is comprised of a high voltage circuit breaker, a transformer(130) and a low voltage circuit breaker(146). The high voltage circuit breaker is connected to a high voltage power source. The transformer changes the high voltage supply to the low voltage supply. The low voltage circuit breaker connects or separates the lower voltage supply to or from the load. A low voltage distribution board is connected to the low voltage supply through a low voltage cable. A current transformer senses the amount of load currents flowing in a cable connected to the high and low voltage circuit breakers. A controller(300) controls the number of the panel transformers. |
