Ground Breaker Control Description - Smartgen HGM9510N User Manual

15 GROUND BREAKER CONTROL DESCRIPTION

This function can be realized via configuring ground breaker of controller output port.
Priority of closing ground breaker: in the closed gensets, the genset with the biggest rated power has
the highest priority to close ground breaker. If genset rated power is the same, it is chosen based on the
module priority. When the ground breaker of the highest priority genset fails to close, the second
highest priority will be chosen. When there is a grounding breaker open fault in the closed gensets, the
other units are prohibited from closing the grounding breaker.
Ground breaker action:
a. Genset stop: ground breaker opened.
b. Genset is normal running and gen opened: ground breaker closed.
c. Genset is normal running and gen closed: ground breaker closed when this genset with the highest
priority, otherwise, ground breaker opened.
HGM9510N/HGM9530N Paralleled Genset Controller User Manual Page 99 of 116