The battery is the heart of any electrical system because an uninterrupted power supply is needed for controlling electrical equipment. Batteries are used as the electric power in them is continuously available in a storage system. Another advantage of batteries is that they are portable. The course begins by discussing electrical hazards leading to injuries such as shocks, burns, or even death. Hazards can lead to shipboard fires, explosions, and the disabling (through blackouts) of essential equipment and services on board, compromising safety. Ensuring that the proper controls and mitigation measures are in place is critical for maintaining safe operations. Control measures need to be developed at the organizational, technical, and individual levels to be effective. Organizations must ensure that control measures, work practices, and procedures are in place to eliminate electrical hazards. Although policies and procedures provide for safe working practices, the culture within the organization and onboard each ship must support the desired behaviors.
This course also introduces you to the basics of batteries, their relevance to electrical systems, and their applications. We explain their components such as cases, plates, separators, and other important features. You will learn about efficiency, the causes of energy loss during charging and discharging, and the methods for measuring the efficiency of a battery. We delve into primary and secondary batteries with their different characteristics and relevant examples. You will investigate alkaline and lead-acid batteries as secondary batteries, from their properties and mechanisms. Explore internal resistance and the components and characteristics of opposition to the flow of current within a cell. Discover the applications of different primary and secondary batteries in addition to the attributes of sealed batteries. You will also study the plate area, impurities, electrolyte level, overcharging, undercharging, temperature, and conditions that affect battery performance. You will study the terminologies and techniques associated with batteries.
This course teaches you the dangers of high voltage, defines the benchmark for a high voltage, and outlines high voltage equipment. We evaluate the factors that increase the risk of electric shock and the safety management requirements of systems. We discuss methods of rescue from electrical shocks and injuries. The course explores body impedance, the means to prevent electric shock, and the difference between a DC and an AC shock. Learn the essential safety measures to take when operating electrical equipment and the first aid given to a victim in an electric accident. There are standard methods of artificial respiration that you can administer to a victim of electrical shock. This course will be of significant interest to anyone seeking to learn about maintaining marine batteries and safety procedures. Start Course Now
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All Alison courses are free to enrol study and complete. To successfully complete this course and become an Alison Graduate, you need to achieve 80% or higher in each course assessment. Once you have completed this course, you have the option to acquire an official Diploma, which is a great way to share your achievement with the world.
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