A wellorganized electrical circuit is the backbone of any device or machine that uses electricity. If you are an electrical engineer or if you work in an electrical field, I am sure that you will find Electrical Calculations to be a very useful software in your daily activity.
Download Electrical Calculations Crack + Serial
Electrical Calculations provides a busbar calculator. So you will be able to easily calculate your busbar rating, dissipation and the voltage drop. The application also enables you to calculate the current ampacity, the voltage drop and to view the wire gauges.
By accessing the circuit option, you can easily calculate the parameters of a Delta to Star conversion or viceversa (a Star to Delta conversion) using the decimal or the exponential notation and the resonant frequency of your inductance, capacitance and resistance (L C P).
Electrical Calculations offers you a list with the values of the most important constants. All you need to do is launch the Constants window and copy their value or their value and units of measurement into your documents.
The conversion features are very useful because they enable you to convert area units, energy units, length measurement units, mass units, power measurement units and so on.
We can say that it is a complex calculator because you can use it to calculate the indicative current rating for a 3 phase motor or the initial current required for a certain motor. Also, you can view a chart that contains the stat current curves.
Moreover, the application provides you 3 methods to calculate the power factor correction and also it helps you generate the engine and the alternator rating according to your values for the two motors.
Taking everything into consideration, we can say that Electrical Calculations is a reliable application when it comes to getting certain values just right. For an electrical circuit to be flawless and prevent accidents, accuracy is a key element, which is exactly what this application provides.
Electrical Calculations Review
Read morehey youtube Zack stone here lead instructor for electrical PE reviews online review course for the electrical power PE exam the following video is taken directly from our lesson on demand calculations if you'd like to try this lesson and many others for free sign up for a free trial at wwlp.com link is in the description of this video you can try this lesson out along with many others for free all you need is a valid email address alright enjoy the following video lesson on demand calculations and billing cost for large power electrical customers alright welcome to the last video for demand calculations if you've made it this far I'm assuming you're getting pretty comfortable working with all these new units and using the unit conversions correctly using fractions like we talked about in our first video now we're gonna look at a large power electrical billing now we're still getting charged based on any power factor penalties like on the medium power customer but now we have two different tiers for our demand so in the past with both residential and medium power there were only different tiers for our energy consumption right for a kilowatt hours then in the medium power we had the introduction of a demand charge now in our large power ihling you'll notice we've got a demand charge for the first 200,000 kW billing demand then an additional tier for any remaining billing demand in excess of 20,000 kW alright ready to try this one let's take a look so this problem says okay determine the total monthly cost an average cost per kilowatt hour just like we've done so far for a large power customer that consumed a total of Wow 15 million kilowatt hours in one billing period with a maximum demand of 22,000 kW and 24,000 kV a alright right off the bat you'll notice instead of having the maximum demand in kilowatts and the power factor now we've got the two separate maximum demands both in kilowatts and kba so first we notice there's a note of power factor it's the same thing it's a requirement of at least point nine if the customer has a power factor less than point nine the KVA demand will need to be used all right does that mean we can jump straight to our maximum demand kV and use it not so fast let's go ahead and make sure our customer either meets or fails to meet the minimum value for the power factor all right how do we do that we said that power factor is a fraction right between our parent power and our active power but how do we know which one to put on the top of that fraction well we know power factor is gonna be at most one but really it's going to be usually a little smaller than one right that means our bigger number is going to be on the bottom so that's gonna be SR KVA and our smaller number P and kilowatts is gonna be on top so our maximum demand in kilowatts is 22,000 and our maximum demand in kV a is 24,000 did our customer meet the minimum basic requirements let's find out so I've got 22,000 divided by 24,000 and I get zero point nine one seven look at the chart we need at least 0.9 it looks like our customer is in fact in the clear and we can use for the billing demand the maximum demand in kilowatts of 22,000 all right let's go ahead and start calculating the power cost my first line here the first 20,000 kW a billing demand so I've got three dollars and seven cents per KW been real careful with those units now first 20,000 of billing demand our billing demand is greater than 20,000 so at this rate were only gonna be charged for the first 20,000 so 20,000 kW all right next remaining billing demand in excess of 20,000 kW again notice there's no H here for hours we're still working with demand this the next tier in the demand billing so our rate is two dollars and five cents per kilowatt not kilowatt hours all right excess of twenty thousand so we had a total of twenty two thousand kW and we already accounted for or paid for twenty thousand kW that means we only have two thousand kilowatts of our demand left to be charged for so this 2.5 cent rate per kilowatt is only going to be multiplied by two thousand kilowatts all right let's look at the first tier of our energy charge we've got eight mils per kilowatt hour now what's the quick conversion to convert this to dollars we know that that's the third decimal place of a dollar so I'm gonna have zero point zero zero there's a sense and eight there's the mil per kilowatt hour there's our first hour that's our first energy charge all right let's see first ten million all right we've got fifteen million right we've got greater than the first ten million we're gonna count four so I'm gonna go ahead and write ten million that's one two three four five six zeros kilowatt hours alright next energy charge is 10 million kilowatts the following 10 million kilowatts at seven mils per kilowatt hours again what's the quick conversion for mils I've got zero point zero zero there's the cents seven there's the mils per kilowatt hours now how much power do we account for well let's see this is the next 10 million so we accounted for 10 million and we consumed a total of 15 million so we know if I've got 50 million kilowatthours right that's our total  what we already counted for 10 million we have yet to account for or we have yet to pay for their remaining 5 million kilowatthours so down here at 7 mils per kilowatthour we've got 5 1 2 3 4 5 6 zeros kilowatt hours all right now remaining power at 6.5 mils per kilowatt hours do we have any remaining power no right we already counted for a total 15 million so we can just completely ignore that last line why and be like having the rate multiplied by zero so I'm just gonna draw a straight line here and we're gonna add these all up to find our total monthly bill but first because I'd hate to get all this way especially on the exam just to get the wrong answer because I made a quick mistake previously let's double check both our demand and our power consumption so right here we know our billing demand is 22,000 kW I'm gonna add up these two values here should add up to 22,000 so 20,000 kW plus 2,000 kW we know equals 22 kW all right we accounted for every kW of our demand now let's look at our energy charges let's add up 10 million kilowatt hours plus five million kilowatt hours should add up to our total consumption and of course it does it adds up to our total consumption of 15 million kilowatt hours and okay we're good there we accounted for all of our consumption now it's time to bring it all home and find our total power consumption so from left to right top to bottom in my calculator I've got three dollars and seven cents 3.07 times twenty thousand Plus 2.0 five times two thousand plus zero point zero zero eight times ten million so that's a ten followed by one two three four five six zeroes plus our last energy charge of zero point zero zero seven times five million so it's times five followed by one two three four five six zeroes and I hit enter on my calculator and I get a total charge of 180 thousand five hundred dollars all right that's our total monthly bill now are we done no right we've got one more thing to find the question said what's the average cost per kilowatt hour so same thing as before I'm gonna make some quick room we're looking for dollars per kilowatt hours that's my clue to know that I needed to put my total cost on top of my fraction rec so I want dollars on top so I've got one hundred and eighty thousand five hundred next to find per every kilowatt hour consumed I divide by our total consumption of 15 so that's 15 followed by one two three four five six zeros kilowatt hours I do a quick check on the units before I move forward just because I know on demand calcium units can get real tricky I've got dollars on top kilowatt hours on bottom nothing cancels right so that would leave us in dollars per kilowatt hours perfect that's exactly what I want so in my calculator I'm gonna punch in I've got I've got a hundred and eighty thousand five hundred still stored from the last calculation so I'm just gonna hit divide well I've got it handy and then I'm gonna type in 15 followed by six zeros one two three four five six I hit enter and I come up with and again I'm gonna round it to the nearest mill just because that's the level of accuracy we've been working with so far from the problem itself so I've got 0.01 $2 per kilowatt hours or 12 mils per kilowatt hour all right that's just about it for all the videos on demand calculations once again as long as you pay attention to the units and you make sure you've got the right units on top and bottom generally you're gonna be okay at one quick note too on the PE exam it's unlikely that you're gonna have to calculate from top to bottom the total cost of a medium or large power customer just because you'll notice it is pretty timeconsuming even if you know what you're doing that doesn't mean you won't see one it just means chances are you won't see one in that depth however as you'll find in the quiz there's going to be a couple of questions where you need to know the process right this total process in order to solve for very specific quantities within these tables and quantities contained within the total bill all right hope you enjoyed it good luck with the quiz
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