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Apair of cable each 880m long has tto supply 100kw at 440volts to sub station calculate the cross sectional area of the cable so that the energy dissipated in them shall not exceed 5kwtake reistivity?
Wiki User
∙ 13y ago
8.2mm
Wiki User
∙ 13y ago
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What is acceptable megger reading for 440volts?
If it is a motor connection that is being tested, engineers like to see it above 5 meg. In reality above 2 meg is fine.
How many amperes of current run through 440volts?
Depends on the rating of the source. For the same electrical load, a higher voltage will require lower current, but there's no specific current associated with 440V.
Can you use 440volts in a 3phased unit?
what is difference between phase voltage 415volt and 440volt
What is acceptable megger reading for 440volts?
If it is a motor connection that is being tested, engineers like to see it above 5 meg. In reality above 2 meg is fine.
How many amperes of current run through 440volts?
Depends on the rating of the source. For the same electrical load, a higher voltage will require lower current, but there's no specific current associated with 440V.
How do you calculate the RMS of 440volts 220 volts 110 volts?
RMS stands for root mean squared, and is an easier way to refer to AC voltage. To calculate Vrms, you just take your peak voltage and divide by the square root of 2. Thus, we get the equation Vp/(2^1/2). For power and amperage the calculation is a bit more complicated, but it's very easy for voltage. Therefore your answers, assuming that your given voltages are the peak voltages of the sinusoid, will be 311.12v, 155.56v and 77.78v respectively. If you want to go from the RMS value to the peak value, simply multiply by the square root of two.
What is the difference between 3 phase 440volts distribution and 3 phase 220v distribution?
About 220 volts. They're just different voltage levels. 440 volt services can provide more power than 220 volt services typically.
How 33kv power converts into 440volts?
33 kV (not 'kv'!) is the standard primary-distribution voltage used in the UK's electricity supply system. Low voltage (400/230 V -not 440 V) is normally provided by transformers supplied from the 11-kV system, not the 33-kV system.
