Objective:
This training course shall provide background knowledge and supporting practical work of shipboard personnel engaged in operation withpower systems in excess 1000 volts. Additionally, trainees of the course will get knowledge in the following subjects:
Construction and operation of HV equipment: circuit breakers, fuses, over current protection etc., electrical machines, switchboards,instrumentation;
Break-down strength of solid dielectrics, gases, operation insulation systems;
Relation between shock voltage and shock current;
Possibility of distance electric shock, possibility of the electric shock by the electrostatic charge;
Difference of electric shock caused by low and high voltage;
General HV protection measures: housings, partitions, distances, insulation mats, insulation materials, access restrictions, markings andwarnings, HV equipment access monitoring and locks;
Use fixed and portable HV measurement and control apparatus for testing insulation resistance of HV machines, cables and anotherequipment;
Check and use of HV testers;
Personal HV protection equipment (PPE): insulated gloves, goggles, insulating bars, insulating footwear, mates, earthing cables;
Terms of certification/test of personal protection equipment;
Permission and coordination of HV works;
Information, warnings and protection against unauthorized influence on safety;
Assistance during HV work;
Understands meaning of warning signs;
Possibility of essential lengthening and migration of electric arc at the voltages above 1kV;
Basic parameters of electric arc: the temperature, the energy etc.