The Use and Considerations of Marine Cables
Select the appropriate cable model based on the cable's purpose, installation location, and working conditions.
Select the appropriate cable cross-section based on the operating schedule of electrical equipment, power source type, cable conductor, and load current.
3. According to the short-circuit current calculation results of the marine cable system, does the fragmentary cable's short-circuit capacity meet the requirements?
4. Adjust the rated current capacity of marine cables based on environmental temperature, and then determine if the allowable current of the cable exceeds the load current.
5. Adjust the rated current of the cable based on the bundle laying correction coefficient, and then determine if the allowable current of the cable is greater than the load current.
6. Verify line voltage drop, determining if the voltage drop is less than the specified value.
7. Based on the setting values of the protection device, determine the coordination between the cable and the protection device; if they are not coordinated, assess whether it is possible to adjust the appropriate protection device or setting value. Otherwise, re-select an appropriate cable cross-section.
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