Marine Electrical - Distribution System and Maintenance
Learn about the distribution systems and the maintenance of marine electrical equipment in this free online course.Publisher: ADU
CertificationView course modules
The electrical distribution systems in the ships explain the sources of electrical power and the essential loads. These systems also describe the selection of plants for generating electric power in the ships. Electrical maintenance helps to keep the equipment in a good running condition. It also helps in reducing downtime and increasing cost savings. Generally, a time-based maintenance procedure is followed. However, condition-based maintenance is also applied for large moving machines where periodic stoppage and dismantling may cause problems. Shipboard maintenance of electrical and electronic devices is limited to regular monitoring and basic maintenance. This is similar to good housekeeping which entails conducting regular watchkeeping checks, investigating any abnormal running conditions, changing worn-out or defective parts as per the SOP and the manufacturer's instructions. Only in the case of a total failure or breakdown, the shipboard crew may be required to undertake to change a motor or starter parts, or change the electronic cards that control certain operations based on time sequence or logic, ingrained in the circuitry. This may involve using measuring equipment like megger or multi-meter, in most cases, for identifying loss of insulation or failure of a solenoid device. This course includes basic maintenance procedures that are building blocks in your troubleshooting capability and basic maintenance skills.
This online course on the distribution system and maintenance of marine electrical equipment discusses the causes of short-circuits and earth faults in addition to the common locations of earth faults in systems. You will learn about the direct current wire distribution system as well as each section's content of the direct current switchboards. You will study the main sources of electrical power on ships along with the functions of the main switchboard. You will analyze the power distribution system of ships as well as the emergency power distribution of ships. You will also study the supply and main switchboard of the ship's navigation light circuits. You will also be introduced to the maintenance of DC machines and the performance load test of a direct current generator. You will also learn about the rewinding of the field coil and the rewinding of the DC machine armature. This course will introduce you to the open and short circuit tests of an alternator in addition to the maintenance of alternators. You will also study the load performance test on 3 phase alternators as well as the measurement of the insulation resistance value.
Marine Electrical - Distribution System and Maintenance is a free online course that will enable you to gain a sound understanding of the high and low voltage distribution on board ships. You will learn the dangers of working with high voltage equipment as well as the risk assessment and safety requirements of the high voltage system. You will evaluate the differences between HV supply and LV supply onboard ships in addition to emergency power distribution of ships. This course will cover the methods and procedures for maintaining the induction motor. By taking this course, you will be able to determine the slip for 3-ph Squirrel Cage Induction Motor and the Brake Test for 3-ph Induction Motor. You will analyze the reconditioning of the silica in the transformer's breather and the estimation of voltage regulation and efficiency. You will study the periodic maintenance of transformers, the rewinding of small transformers, and transformer oil tests. You will also learn about the servicing of a universal motor along with the maintenance of cables in addition to the safety procedures for busbar inspection and maintenance. Lastly, you will learn about the maintenance of carbon brushes and other associated technology of electrical maintenance. This course will be of significant interest to students, researchers, marine engineers, electricians, and anyone with an interest in the distribution system and maintenance of the marine electrical equipment. Register for this course today and begin your next learning journey!Start Course Now
Electrical Distribution Systems
Electrical Distribution Systems - Learning Outcomes
DC Wire Distribution System
Ship's Navigation Light Circuit
HV and LV Distribution
Electrical Distribution Systems - Lesson Summary
Electrical Maintenance - Learning Outcomes
Maintenance of DC Machine
Maintenance of Alternators
Maintenance of Induction Motor
Maintenance of Transformers
Servicing a Universal Motor
Maintenance of Carbon Brushes
Electrical Maintenance - Lesson Summary
Upon successful completion of this course, you will be able to:
- Analyze the layout of the AC shipboard installation.
- Discuss the layout of the DC shipboard installation.
- Describe the power distribution system onboard ships.
- Explain the concept of High Voltage application.
- Explain the concept of Low Voltage application.
- Outline the process of rewinding the field coil of the DC machine.
- Outline the process of rewinding the armature coil of DC machines.
- Discuss the performance characteristic of a DC Generator.
- Explain the Voltage Regulation and Efficiency of Transformer.
- Analyze the Servicing of Transformer Breather.
- Explain the rewinding of a Small Transformer.
- Discuss how to test the alternator.
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