The maximum demand of a consumer is 25 A at 220 V at 0.85 power factor leading. Total energy consumption is 6500 units. The tariff given is:OMR 2.5 per kW maximum demand plus 25 Baiza per unit for 400 hours use of the maximum demand per year plus 15 Baiza per unit for additional units. Estimate: Annual bill Flat rate charge in Baiza/unit of energy If the maximum demand charge If the maximum demand charge is OMR 2.5 per kVA, estimate the percentage change in total bill and percentage change in Unit charge. i. ii. ii. iv.

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Q25. The maximum demand of a consumer is 25 A at 220 V at 0.85 power factor leading.
Total energy consumption is 6500 units. The tariff given is:OMR 2.5 per kW
maximum demand plus 25 Baiza per unit for 400 hours use of the maximum
demand per year plus 15 Baiza per unit for additional units.
Estimate:
i.
ii.
iii.
Annual bill
Flat rate charge in Baiza/unit of energy
If the maximum demand charge
If the maximum demand charge is OMR 2.5 per kVA , estimate the
iv.
percentage change in total bill and percentage change in Unit charge.
Transcribed Image Text:Q25. The maximum demand of a consumer is 25 A at 220 V at 0.85 power factor leading. Total energy consumption is 6500 units. The tariff given is:OMR 2.5 per kW maximum demand plus 25 Baiza per unit for 400 hours use of the maximum demand per year plus 15 Baiza per unit for additional units. Estimate: i. ii. iii. Annual bill Flat rate charge in Baiza/unit of energy If the maximum demand charge If the maximum demand charge is OMR 2.5 per kVA , estimate the iv. percentage change in total bill and percentage change in Unit charge.
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