Electric Power Generation, Transmission, and Distribution
The challenge of DG control is to implement the control without having to install measurement or monitoring equipment throughout ...
Ptot-max: total kW generation available from all circuits Qtot-max: total kVar generation available from all circuits Ptot-des: ...
of the arrow. For instance, the arrow betweenPower FlowandDG Controlindicates thatPower Flowis used by theDG Controltask. That i ...
Once the circuit flows are estimated,DG Controlcan check to see if there are any circuit problems such as overloaded equipment a ...
class of customer, type of month, type of day, and weather condition. C-factor curves are typically parameterized by the custome ...
Figure 24.6 illustrates a representative C-factor curve for residential customers for weekdays at typical weather conditions, wh ...
As an example of calculating a load estimate at a point in a circuit, assume the following (where for simplicity, weather consid ...
.There are only two customers of the same load research class, say Class R, fed from the selected point. Assume that each custom ...
Then, KWpeak(Sum) ¼C(weekday, Feb, R)(KWHe1(Feb)þKWHe2(Feb)) KWpeak(Group) ¼KWpeak(Sum)=d(weekday, Feb, R,2) This is the first ...
level that is 25% or less of existing circuit loading. This is taken into account when calculating the maximum amount of generat ...
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V Electric Power Utilization Andrew Hanson PowerComm Engineering 25 Metering of Electric Power and EnergyJohnV.Grubbs........... ...
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25 Metering of Electric Power and Energy John V. Grubbs Alabama Power Company 25.1 The Electromechanical Meter.................. ...
The device described so far is incomplete. In measuring a steady power in a circuit, this meter would generate constanttorquecau ...
25.3 The Electronic Meter Since the 1980s, meters available for common use have evolved from (1) electromechanical mechanisms dr ...
Measure kW delivered Measure kW received Compensate received quantities for transformer losses Record the measured quantities fo ...
.At the time of installation or reinstallation, the meter analyzes the voltage and current signals and determines if they repres ...
25.4.1.2 Why is Demand Metered? Electrical conductors and transformers needed to serve a customer are selected based on the expe ...
measurements of Rate 1 energy (and demand) and Rate 2 energy (and demand) for the entire billing period. Actual TOU service rate ...
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