ABB ACS800-67LC - Electrical Installation; Checking the Insulation of the Assembly; Converter; Grid Cable

Electrical installation 67
6
Electrical installation
What this chapter contains
This chapter describes the electrical installation procedure of the converter.
WARNING! Only qualified electricians are allowed to carry out the work described
in this chapter. Follow the Safety instructions on the first pages of this manual.
Ignoring the safety instructions can cause injury or death.
Checking the insulation of the assembly
WARNING! Before start, read and follow the instructions given in chapter Safety
instructions. Ignoring the instructions can cause physical injury or death, or
damage to the equipment.
 Converter
Every converter has been tested for insulation between the main circuit and the chassis at
the factory (2700 V rms 50 Hz for 1 second). Do not make any voltage tolerance or
insulation resistance tests eg, hi-pot or megger, on any part of the converter as testing can
damage the converter. Also, there are voltage-limiting circuits inside the converter which
cut down the testing voltage automatically.
 Grid cable
Check the insulation of the grid cable according to local regulations before connecting it to
the converter.