I am confused about NEC Table 9 values. Why do we pick bottom values...............? what is the top row values in table 9 ? Please can someone help me out.?
Same here first time test taker in OCT. I feel like you make your cheat sheets as you go along with your study and pra. problems. so this way you remember where things are. I am thinking of making a separate PU unit problems sheets so I can quickly look over those in exam. But it's time...
I am trying to understand this question about transmission line impedances change questions.
Z1 = 16.75<71
Z2 = 13.4<71 and system impedance = 31.25<81. what is the fault current at station C?
Ok to solve this I immediately search for base change formula. which is , but book did...
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