Table 3-24 Voltage Boost - Siemens MICROMASTER 440 Operating Instructions Manual

3 Functions
Table 3-24
Parameter
P1310
P1311
P1312
NOTE
Especially at low frequencies, the motor temperature is additionally increased
as a result of the voltage boost (the motor overheats) !
The voltage value at 0 Hz is determined from the product of rated motor current
P0305, stator resistance P0350 and the appropriate parameters P1310 – P
1312.
168
Voltage boost
Voltage boost
Constant
voltage boost
Voltage boost when
accelerating- / braking
Voltage boost when starting
Explanation
The voltage boost is effective over the complete
frequency range whereby the value continually
decreases at high frequencies.
V
Linear V/f
Vmax
Vn
(P0304)
actual V
Boost
V
ContBoost,100
V
ContBoost,50
f
0
Boost,end
(P1316)
The voltage boost is only effective when accelerating
or braking.
Linear V/f
V
Vmax
Vn
(P0304)
actual V
Boost
V
AccBoost,100
V
AccBoost,50
f
0
Boost,end
(P1316)
The voltage boost is only effective when accelerating
for the first time (standstill)
V
Linear V/f
Vmax
Vn
(P0304)
actual V
V Boost
StartBoost,10
0
V
StartBoost,50
f
0
Boost,end
(P1316)
MICROMASTER 440
Issue 10/03
f
fn f max
(P0310) (P1082)
f
fn fmax
(P0310) (P1082)
f
fn fmax
(P0310) (P1082)
Operating Instructions
6SE6400-5AW00-0BP0