Emerson Epsilon Eb Digital Servo Drive Server User Manual


 
11
Installation
Figure 5: Earth Grounded WYE Distribution Transformer
Figure 6: Earth Grounded Delta Distribution Transformer
AC Supplies Requiring Transformers
If the distribution transformer is configured as shown in the figures below, an isolation
transformer is required.
If an isolation transformer is used between the power distribution point and the drives, the
transformer secondary must be grounded for safety reasons as shown in the figures below.