Technosoft iPOS360 VX-CAN Series - Page 46

 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 PARAM
ETERS IN
ORDER TO AVOID POSSI
BLE 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
Current [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
Current [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
Current [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
Time [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
Output Voltage
±V
OUT
/V
MOT
[%]
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
Output Voltage
±V
OUT
/V
MOT
[%]
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
Current [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
Current [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
Time [s]
Current [A]
Overcurrent Diagram
I
NOM
= 4 A
I
MAX
= 10 A
I
2
T = 250 A
2
s