Electrical Connection - KEB COMBIVERT F5 Series Instructions For Use Manual

bASIC SAFETy INSTRUCTIONS

1.4 Electrical connection

DANGER
For a trouble-free and safe operation, please pay attention to the following instructions:
•
•
•
•
•
•
•
•
16
Voltage at the terminals and in the device!
Danger to life due to electric shock!
► Never work on the open device or never touch exposed parts.
► For any work on the unit switch off the supply voltage and secure it
against switching on.
► In spite of missing supply voltage, the Active Front End can continue
to modulate, e.g. in regenerative operation. The isolation from sup-
ply must be checked.
► Wait until all drives has stopped in order that no regenerative energy
can be generated.
► Await capacitor discharge time (5 minutes) if necessary, measure
DC voltage at the terminals.
► If personal protection is required, install suitable protective devices
for drive converters.
► Never bridge upstream protective devices (also not for test pur-
poses).
► Always connect the protective earth conductor to drive converter
and motor.
► Install all required covers and protective devices for operation.
► The control cabinet shall be kept closed during operation.
The electrical installation shall be carried out in accordance with the relevant re-
quirements.
Cable cross-sections and fuses must be dimensioned by the user according to the
specified minimum / maximum values for the application.
Drive converters are only intended for permanent connection. Cross-sections of pro-
tective earth conductors should be interpreted in accordance with
.
5-54
Power systems in which a phase conductor is grounded (e.g. delta mains) are not
allowed for the Active-Front-End.
With existing or newly wired circuits the person installing the units or machines must
ensure that the PELV requirements are met.
For drive converters that are not isolated from the supply circuit (in accordance with
61800-5-1) all control lines must be included in other protective measures (e.g.
EN
double insulation or shielded, earthed and insulated).
When using components without isolated inputs/outputs, it is necessary that equipo-
tential bonding exists between the components to be connected (e.g. by the equipo-
tential line). Disregard can cause destruction of the components by the equalizing
currents.
Use only the KEB specified AFE-/LCL filter.
DIN IEC 60364-