Technosoft iPOS360 VX-CAN Series, Technical Reference, Page: 46 / 47

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Technosoft 2019 47 iPOS360x VX-CAN/CAT Technical Reference
Figure 3.35 iPOS3602 VX De-rating with ambient temperature Figure 3.36 iPOS3602 VX De-rating with altitude
Figure 3.37 iPOS3602 VX Current De-rating with PWM
frequency
Figure 3.38 iPOS3602 VX Over-current diagram
Figure 3.39. iPOS360x VX Output Voltage De-rating with
PWM frequency
1
Figure 3.40. iPOS3604 VX De-rating with ambient temperature
Figure 3.41. iPOS3604 VX De-rating with altitude
Figure 3.42. iPOS3604 VX Current De-rating with PWM
frequency
CAUTION!
FOR PWM FREQUENCIES LESS THAN 20
KHZ, CORRELATE THE PWM FREQUENCY
WITH THE MOTOR PARAMETERS IN
ORDER TO AVOID POSSIBLE MOTOR
DAMAGE.
Figure 3.43. iPOS3604 VX Over-current diagram
1
V
OUT
– the output voltage, V
MOT
– the motor supply voltage
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
2.2
50 55 60 65
C
u
rr
e
n
t
[A
]
Ambient Temperature [ºC]
Temperature De-rating
20KHz
3-phase
100KHz
3-phase
20KHz
4-phase
20KHz
3-phase
24V
100KHz
3-phase
24V
20KHz
4-phase
24V
0
0.5
1
1.5
2
2.5
0 1 2 3 4 5 6 7 8 9 10
C
u
rr
e
n
t
[
A
]
Altitude [Km]
Altitude De-rating
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
2.2
2.4
0 10 20 30 40 50 60 70 80 90 100
C
u
rr
e
n
t
[
A
]
PWM Frequency[KHz]
PWM Frequency De-rating
36V 3-
phase
24V 4-
phase
36V 4-
phase
0
10
20
30
40
50
60
70
0 0.5 1 1.5 2 2.5 3 3.5
T
im
e [
s]
Current [A]
Overcurrent Diagram
I
NOM
= 2 A
I
MAX
= 3.2 A
I 2 T = 250 A 2 s
t
PK
= 2.5 s
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90 100
O
ut
put
V
ol
ta
ge
±
V
OU
T
/V
M
OT
[%
]
PWM Frequency [KHz]
Output Voltage De-rating
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90 100
O
ut
put
V
ol
ta
ge
±
V
OU
T
/V
M
OT
[%
]
PWM Frequency [KHz]
Output Voltage De-rating
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0 1 2 3 4 5 6 7 8 9 10
C
u
rr
e
n
t
[A
]
Altitude [Km]
Altitude De-rating
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0 10 20 30 40 50 60 70 80 90 100
C
u
rr
e
n
t
[A
]
PWM Frequency[KHz]
PWM Frequency De-rating
36V 3-
phase
24V 4-
phase
36V 4-
phase
0
2
4
6
8
10
12
14
16
18
20
0 1 2 3 4 5 6 7 8 9 10 11
T
im
e [
s]
Current [A]
Overcurrent Diagram
I
NOM
= 4 A
I
MAX
= 10 A
I 2 T = 250 A 2 s