Electrical System - Atlas Copco GA 37 VSD Instruction Book

decrease the motor speed. If the net pressure keeps on rising when the motor runs at minimum
speed, the regulator stops the motor. If the motor is stopped automatically and the net pressure
approaches the set-point, the regulator will restart the motor.
2.7

Electrical system

Electric components
The electrical system comprises the frequency converter Neos (or Control Technics optional) with
the following components:
Reference
T1
Q15
Q1
K15
F15
Z1+L1
U1
PE
S10
20
Electric cabinet for GA 37 VSD and GA 45 VSD, typical example
Designation
Transformer
Circuit breaker
Circuit breaker
Contactor
Overload relay
EMC filter and choke
Frequency converter
Earthing terminal
Main switch (optional)
Instruction book
API480496