船舶岸电的断相保护和相序自动调整

本文简述了船舶岸电设置断相保护和相序指示的必要性。介绍了一种船舶岸电断相保护和相序自动调整装置的原理和线路，对船舶接用岸电时的保护有实用意义。

Phase protection and phase oredr automatic adjustment of shore power

The necessity of setting up the phase protection and phase oredr indication for shore power is briefly described.The principles And the circuit of a phase protection and phase order automatic adjustment device are introduced,they are of practical significance On protection when a ship is connected with shore power.