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In terms of electromagnetism, one watt is the rate at which electrical work is performed when a current of one ampere (A) flows across an electrical potential difference of one volt (V), meaning the watt is equivalent to the volt-ampere (the latter unit, however, is used for a different quantity from the real power of an electrical circuit).
Electric power is the rate of transfer of electrical energy within a circuit.Its SI unit is the watt, the general unit of power, defined as one joule per second.Standard prefixes apply to watts as with other SI units: thousands, millions and billions of watts are called kilowatts, megawatts and gigawatts respectively.
Although a small generator lacks the power to energize a loaded line, this can happen if the line is isolated from other loads. Solar inverters are designed for safety – while one inverter could not energize a line, a thousand might. In addition, electrical workers are trained to treat every line as though it was live, even when they know it ...
MSP kWh is the amount of electricity consumed at the 'meter supply point', which is the customer's meter. GSP kWh is obtained by multiplying the MSP kWh by the Line Loss Factor (LLF, a figure > 1) to include the amount of electricity lost when it is conducted through the distribution network, from the 'grid supply point' to the customer's meter.
During this time where generation is greater than consumption, the home's electricity meter will run backward to provide a credit on the homeowner's electricity bill. [12] The value of solar electricity is less than the retail rate, so net metering customers are actually subsidized by all other customers of the electric utility. [13]
In electrical engineering the load factor is defined as the average load divided by the peak load in a specified time period. [1] It is a measure of the utilization rate, or efficiency of electrical energy usage; a high load factor indicates that load is using the electric system more efficiently, whereas consumers or generators that underutilize the electric distribution will have a low load ...