HMC6 Power Management Controller User Manual Page 38 of 87
Switching quantity feedback is shown in the figure below:
Fig.13–Fixed Heavy Consumer Sequence Diagram
Illustration for the fixed heavy load sequence diagram:
a) The HC1 heavy load requests for 300kW power, HC1 rated power is 150kW;
b) The bus bar reserves 300 kW for HC1;
c) The bus bar has enough redundant power and starts after heavy load stability delay;
d) After the heavy load stability delay, the controller starts to output the heavy load answer signal;
e) During or after the output delay of heavy load answer, the bus bar has different processing states for HC1
heavy load according to the different states of heavy load feedback and request signals;
f) If the heavy load feedback is active, the bus bar will no longer reserve any power for HC1;
g) If the heavy load feedback is inactive, the bus bar will only reserve the rated power for HC1 when heavy load
request is active;
h) If the heavy load feedback is inactive, the bus bar will not reserve any power for HC1 when heavy load
request is inactive;
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