Ian,
Protection of Industrial power systems by T.Davis.ISBN -0-7506-2662-3 cost £35 in UK. It's very good if you have little undestanding of HV/LV protection.
Midos
Marko,
The cable vendor would be the best person to speak to on this subject, but I would say having it run fully loaded is not good engineering practice and I have known cable to be changed out in the region of 25 years for private dwelling properites.
Cables have a type of let through energy...
Rajt, above is correct not a great deal of difference in electrical protection on ships or on industrial plants onshore if the budget is available $$, However! many FPSO's/ships utilise the "IT earthing system" (high Impedance earthing)This is where the fault level is reduced by a high...
4 hour load runs are the norm during commissioning in the uk and offshore etc. However we only do a 30 minute no load run while checking the NDE & DE temperature and for exessive vibration.