Abstract
The article presents the analysis of application of hybrid propulsion systems combining conventional diesel with electric drive for units used in inland transport. The answer is given to the question: to what extent will the use of different configurations of hybrid systems, affect the reduction of fuel consumption and reduce poisonous gases to the atmosphere? Various configurations of propulsion systems have been proposed: liquefied natural gas (LNG)-Diesel, LNG-Diesel-Electric, LNG-Diesel-Battery-Electric, against the background of the current state of inland waterway transport in central Europe. The announced plans to expand the network of existing international water routes in this region of Europe (E30, E40, E70), prompts a reflection on the simultaneous possibility of building modern low-emission and energy-efficient inland transport vessels. As an example of a modern drive system design, LNG-Diesel-Battery-Electric was proposed for which simulations were carried out using Modelica software. The conducted research has shown the possibility of reducing energy consumption by approximately 13% in relation to the classical drive system with a diesel engine, and reduction of CO2 emissions by approx. 29% with respect to the conventional diesel drive.
Highlights
Development of transport systems is an indispensable element of the development of the economy of the states
During periods of low power demand, the Power Management System (PMS) can turn off all the diesel generators altogether, and allow the propulsion system to run on the PMS can turn off all the diesel generators altogether, and allow the propulsion system to run on the energy stored in the batteries, until the battery state of charge drops to low charge limit 15%
Based on the studies conducted, a lower energy consumption can be seen (Figure 11) with respect respect to DP drive in DBEP and DLBEP drives (−13.1%), along with DEP and Diesel + LNG-Electric-Propeller (DLEP) drives (−9.3%)
Summary
Development of transport systems is an indispensable element of the development of the economy of the states. The largest cities in the world were established by local rivers They are natural roads, which have been used for transportation since the beginning of civilization, at first using primitive rafts which later evolved into barges. Most of the currently used transport barges use diesel as fuel, which results in emission of pollution, contributing to the development of human diseases and the greenhouse effect. These poisonous substances generated from burnt fuel spread to the area where barges are used
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