Overload protection, and vehicle test, reverse power and reversecurrentprotection test for marine generator.
船舶发电机组过载保护试验、并车试验、逆功率和逆电流保护试验；
2
The reasons why reversecurrentprotection is not necessary in rectifiers of direct current traction substation are described.
通过分析，阐述了直流牵引变电所内的整流器不必设置逆流保护的理由。
3
A single battery system is safer. 2 batteries in parallel to mitigate further sources of failure. reversecurrentprotection is recommended, but usually not feasible.