Setpoint channel and closed-loop control 
  7.3 V/f control 
Drive converter cabinet units 
Operating Instructions, 07/07, A5E00288214A 
271 
Voltage boost during acceleration (p1311)  
Voltage boost is only active during acceleration or braking. Voltage boost is only active if the 
"Ramp-up active" signal (r1199.0 = 1) is pending. 
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Figure 7-7  Voltage boost during acceleration (example: p1300 = 0, p1310 = 0, p1311 > 0) 
Function diagram 
 
FP 6300  V/f characteristic and voltage boost 
Parameters 
 
•  p0304 
Rated motor voltage 
•  p0305 
Rated motor current 
•  r0395 
Stator resistance, actual 
•  p1310 
Permanent voltage boost 
•  p1311 
Voltage boost during acceleration 
•  r1315 
Voltage boost total