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How do I calculate arc flash rating?
How do calculate arc flash rating?
I 208/120 volt panel with a short curit current of about 13,000 amps. How many calories per cm^2 of energy does this create. And how do I calculate this?
1 AnswerEngineering1 decade agoHow do I calculate the target velocity of a motor?
I have a problem where I am trying to caclulate the target velocity of a motor given:
accel rate (RPS^2)
decel rate (RPS^2)
time the motor needs to run for (seconds).
number of revolutions the motor needs to turn.
I am trying to figure out a formula to calculate this. The motor will start at 0 RPMs and end at 0 RPMs. But I want a formula I can enter the above four varuables in and get speed (RPS or RPM)
1 AnswerMathematics2 decades agoElectrical code question about locking a service disconnect on?
Is it legal to lock a local service disconnect on for a machine in an industrial environment? If not where is it in the NEC book.
1 AnswerOther - Science2 decades agoElectrical code question about locking a service disconnect on?
Is it legal to lock a local service disconnect on? If not where is the code in the NEC book.
3 AnswersOther - Science2 decades agoElectrical code question about locking a service disconnect on.?
Is it legal to lock a local service disconnect on? If not where is the code in the NEC book.
1 AnswerEngineering2 decades ago