The invention discloses a method for improving maneuverability of a marine diesel engine propulsion system. The method comprises the following steps: step 1, loading according to a set loading rate; 2, according to the real-time rotating speed and load of the propulsion diesel engine, comparing the real-time rotating speed and load of the propulsion diesel engine with a propulsion diesel engine load limiting line to judge the overload limiting line trend condition, and if the overload limiting line trend exists, executing the step 3; if the overload limit line trend is relieved, executing the step 4 until acceleration loading is completed; step 3, load active control screw pitch reduction: propulsion monitoring still sends a rotating speed instruction to a propulsion diesel engine in real time at a preset speed increasing speed to carry out rotating speed adjustment; meanwhile, a pitch reduction instruction is sent to the controllable-pitch propeller to carry out pitch reduction operation, and the second step continues to be carried out; 4, the load actively controls the pitch rising, wherein propelling monitoring still controls the rotating speed of the propelling diesel engine at the preset increasing rotating speed rate; and a pitch raising instruction is sent to the controllable-pitch propeller for pitch raising operation, and the second step continues to be carried out.
本发明公开了一种提高船舶柴油机推进系统机动性的方法,包括以下步骤:步骤一,按照设定的加载速率进行加载;步骤二,根据推进柴油机实时转速和负荷,与推进柴油机负荷限制线进行比较判断超负荷限制线趋势情况:若存在超负荷限制线趋势,执行步骤三;若超负荷限制线趋势缓解,执行步骤四,直至加速加载完成;步骤三,负荷主动控制降螺距:推进监控仍以预设的加转速速率,实时发送转速指令至推进柴油机进行转速调节;同时,发送降螺距指令至调距桨进行降螺距操作,继续进行步骤二;步骤四,负荷主动控制升螺距:推进监控仍以预设的加转速速率控制推进柴油机转速;发送升螺距指令至调距桨进行升螺距操作,继续进行步骤二。
Method for improving maneuverability of marine diesel engine propulsion system
一种提高船舶柴油机推进系统机动性的方法
2022-03-25
Patent
Electronic Resource
Chinese
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