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3-2-3 Selection of cables
Use cables having sufficient size in consideration of the allowable current of the cables and the
distance between the machine and the load.
If the load current exceeds the allowable current of cables, the cable may be damaged by overheat.
Also, if the cables are too small in size for the length, the input voltage of the load drops which
lowers the working efficiency or causes failure in operation.
Select the length and size of cable so that the voltage drop “e” obtained by the following equation
is within 5% of the rated voltage.
* Equation to obtain 3-phase, 3-wire system voltage drop “e” from the length and size of cable
and operating current is as follows.
e = Voltage drop (V)
L = Length of one wire (m)
I = Generator rated current (A)
S = Cable thickness (mm
2
)
Summary of Contents for DCA-600P
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