C2. A small restaurant connecting with a 380V, three-phase supply will be installed with the following electrical loads:
Posted: Mon May 16, 2022 12:47 pm
C2. A small restaurant connecting with a 380V, three-phase supply will be installed with the following electrical loads: 220V Single-phase loads: - 40 nos. of 8W LED downlight - 10 nos. of 28W T5 fluorescent light fitting with 2W electronic ballast - 4 no. of 30A ring final circuit using 13A socket outlets (code 6E) - 5 nos. of Air Conditioning units. The full load current of each unit is 10A 1 no. of 4000W espresso coffee machine. 380V Three-phase loads: 2 nos. of 18kW water heater with unity power factor - 2 nos. of 10kW electric cooker-0 with 0.98 power factor 1 nos. of 18kW electric oven with unity power factor - I nos. of 18kW steam cooker with unity power factor With the use of the diversity factor as shown in Appendix 1, determine the maximum demand of the restaurant. (6 marks)