Mitsubishi Electric FR-F740-00023

302
Measurement of main circuit voltages,
currents and powers
6.2.7 Measurement of converter output voltage (across terminals P/+ - N/-)
!"5&()08)0&4(70#/5&(*&0"5&,($45+05+&.-&95457(859&#,+(--&05+?.$#7-&dYe&<&QY<&#$9&,#$&25&?5#-)+59&C.0"&#&?(4.$/<,(.7
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+.-5-&0(&$5#+7'&G>>a&0(&H>>a&?#@.?)?6
6.2.8 Insulation resistance test using megger
:(+&0"5&.$45+05+B&,($9),0&0"5&.$-)7#0.($&+5-.-0#$,5&05-0&($&0"5&?#.$&,.+,).0&($7'&#-&-"(C$&257(C&#$9&9(&$(0&85+*(+?&0"5
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6.2.9 Pressure test
N(&$(0&,($9),0&#&8+5--)+5&05-06&N505+.(+#0.($&?#'&(,,)+6
G:H>5IE
q A5*(+5& 85+*(+?.$/& 0"5& .$-)7#0.($& +5-.-0#$,5& 05-0& ($& 0"5& 5@05+$#7& ,.+,).0B& 9.-,($$5,0& 0"5& ,#275-& *+(?& #77& 05+?.$#7-& (*& 0"5
.$45+05+&-(&0"#0&0"5&05-0&4(70#/5&.-&$(0&#887.59&0(&0"5&.$45+05+6
q :(+&0"5&,($0.$).0'&05-0&(*&0"5&,($0+(7&,.+,).0B&)-5&#&05-05+&["./"&+5-.-0#$,5&+#$/5\&#$9&9(&$(0&)-5&0"5&?5//5+&(+&2)VV5+6
U
V
W
Inverter
500VDC
megger
Power
supply
IM
Moto
r
R/L1
S/L2
T/L3
W#+0"