Exam Question
(a) How bus bar inspection and maintenance is carried out? (10)
(b) What are safety precautions taken while doing maintenance on the busbar? (6)
Class 4 (4th Engineer)
MET
📅 Dec 2024
Reference Answer
### (a) Bus Bar Inspection and Maintenance (10 Marks)
Bus bar inspection and maintenance are critical procedures for ensuring the reliability and safety of the ship's electrical power distribution system. These tasks are typically divided into two categories: periodic 'live' inspections and comprehensive 'de-energized' maintenance.
#### 1. Periodic (Live) Inspection
This is a non-invasive inspection carried out by the ship's Electrical Officer at regular intervals as dictated by the Planned Maintenance System (PMS). The objective is to detect potential issues like hotspots, which indicate loose connections or overloading, without interrupting the power supply.
Bus bar inspection and maintenance are critical procedures for ensuring the reliability and safety of the ship's electrical power distribution system. These tasks are typically divided into two categories: periodic 'live' inspections and comprehensive 'de-energized' maintenance.
#### 1. Periodic (Live) Inspection
This is a non-invasive inspection carried out by the ship's Electrical Officer at regular intervals as dictated by the Planned Maintenance System (PMS). The objective is to detect potential issues like hotspots, which indicate loose connections or overloading, without interrupting the power supply.
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