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# What is current value after derating factor considered?

###### Wiki User

###### December 15, 2007 9:13AM

Once derating factor is considered the size of cable for perticular electrical load increased by the multipling factor.i,e if 2.5MM2 cable is capable to carry 14amp. of current in general then with 40% of derating fator it can carry only 8.4amp.

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### How much is a 2001 saleen s281 with 65000 miles worth?

Ok...since the condition of the vehicle is a factor that would
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no one right answer to the question. Your best bet is to go
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###### Asked in Electronics Engineering, Electrical Engineering

### Does the current reach its maximum peak value at the same instant time in as does the voltage?

Yes if the power factor is unity.
Additional
Answer
Only if the load is purely resistive. For a
resistive-inductive (R-L) load, the current will reach its
maximum value after the voltage reaches its maximum value, and we
say the current is 'lagging the voltage'. For a
resistive-capacitive (R-C) load, the current will reach its
maximum value before the voltage reaches its maximum value, and we
say the current is 'leading the voltage'.
The angle of lag or lead is called the circuit's 'phase angle'
and the cosine of that angle is termed the circuit's 'power
factor'. So, for a purely-resistive circuit, the phase angle is
zero and the power factor is 1 ('unit'). For R-L circuits,
the power factor is less than 1, and is described as 'lagging'. For
R-C circuits, the power factor is also less than 1, and is
described as 'leading'.

###### Asked in Electronics Engineering

### What is crest factor of online ups?

Crest factor is the ratio between the instantaneous peak current
required by the load and the RMS current (RMS stands for Root Mean
Square, which is a type of average). Most common electrical
appliances exhibit a crest factor of 1.4 (1.4 is the ratio of the
peak value of a sine wave to its RMS value). Computers and IT
equipment with Power Factor Corrected power supplies exhibit a
crest factor of 1.4. Personal computers and stackable hubs exhibit
a crest factor of 2 to 3.

###### Asked in Electronics Engineering, Electrical Engineering

### What are the Errors in Current Transformers?

It is known that the value of transformation ratio (actual
ratio) is not equal to the turns ratio in current transformers.
Also the value is not constant, but depends upon the magnetizing
and loss components of the exciting current, the secondary winding
load current and its power factor. This means that the secondary
winding current is not a constant fraction of the primary winding
current but depends upon the factors listed above.

###### Asked in Electrical Engineering

### In electrical engineering what is form factor?

Form factor of an alternating current waveform (signal)
is the ratio of the RMS (Root Mean Square) value to the Absolute
Average Value (also referred to as the Practical Average Value) of
the waveform.
In the case of a sinusoidal wave ie., an analogue wave, the form
factor is approximately 1.11.
In the case of a square wave ie., a digital wave, the RMS and
the average values are equal; therefore, the form factor is 1.