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44 Electrical installation: AC input, motor and brake
Checking the insulation of the assembly
Drive
Every drive has been tested for insulation between the main circuit and the chassis at
the factory. If further high potential (‘hipot’) testing is performed, use only DC voltages
as AC voltage hipot tests could damage the drive. It is recommended to seek advice
from your ABB sales representative before performing hipot tests.
Input power cable
Check the insulation of the input power cable according to local regulations before
connecting to the drive.
Motor and motor cable
Check the insulation of the motor and motor cable as follows:
1. Check that the motor cable is connected to the motor and disconnected from the
drive output terminals U, V and W.
2. Measure the insulation resistance between each phase conductor and the
Protective Earth conductor using a measuring voltage of 500 V DC. The insulation
resistance of the motor must exceed 100 Mohm (reference value at 25 °C or
77 °F). Please consult the manufacturer’s instructions. Moisture inside the motor
casing reduces the insulation resistance. If moisture is suspected, dry the motor
and repeat the measurement.
Содержание MicroFlex e150
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Страница 20: ...20 Introduction to the manual ...
Страница 26: ...26 Hardware description ...
Страница 32: ...32 Mechanical installation ...
Страница 42: ...42 Planning the electrical installation ...
Страница 116: ...116 Start up ...
Страница 126: ...126 Fault tracing ...
Страница 152: ...152 Technical data EtherCAT Conformance Test Certificate ...
Страница 162: ...162 Technical data ...
Страница 178: ...178 Appendix Safe Torque Off STO STO function TüV certificate ...