Toshiba TOSVERT VF-MB1 Instruction Manual page 155

Industrial inverter for 3-phase induction motors
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In case of parameter aul = 2 (Variable torque characteristic (120%-60s)) setting
Ambient
VFMB1-
temperature
40  C or less
4004PL
40  C or less
4007PL
40  C or less
4015PL
4022PL
40  C or less
4037PL
40  C or less
40  C or less
4055PL
40  50  C
50  60  C
40  C or less
40  50  C
4075PL
50  60  C
40  C or less
4110PL
40  50  C
50  60  C
40  C or less
4150PL
40  50  C
50  60  C
*
If ambient temperature exceeds 40°C (or 50°C), reduce current according to table above.
*
In case of  = 2 setting, be sure to install the input AC reactor (ACL) between power supply and inverter
and use at ambient temperature 40°C or less.
*
Regarding current reduction in detail, refer to added instruction manual "Explanation of load reduction".
*
If parameter f316 = 0 or 2 and current is increased to the automatic reduction level, the ol alarm occurs.
If current is increased further, ol3 trips.
In this case, to avoid such trips, reduce the stall prevention level ( f601 ) properly.
*
If parameter f316 (Carrier frequency control mode selection) = 2 or 3 , set parameter f300 (PWM
carrier frequency) below 4.0kHz. Output voltage may reduce.
*
PWM carrier frequency is increased at high output frequency area to be stable the operation, even if f300
is set to low PWM carrier frequency.
PWM carrier frequency (Parameter f300 )
2.0kHz
2.1k - 4.0 kHz 4.1k - 12.0 kHz 12.1k - 16.0 kHz
2.1 A
1.5 A
3.0 A
2.3 A
5.4 A
4.1 A
6.9 A
5.5 A
11.9 A
9.5 A
17.0 A
15.3 A
13.6 A
23.0 A
20.7 A
18.4 A
33.0 A
29.7 A
26.4 A
40.0 A
36.0 A
36.0 A
F-35
E6581697
1.5 A
1.2 A
2.3 A
1.8 A
4.1 A
3.3 A
5.5 A
4.4 A
9.5 A
7.6 A
13.0 A
11.5 A
13.0 A
11.5 A
11.4 A
9.2 A
17.0 A
14.0 A
17.0 A
14.0 A
13.6 A
10.9 A
25.0 A
20.0 A
25.0 A
20.0 A
19.4 A
15.2 A
30.0 A
26.0 A
30.0 A
26.0 A
23.0 A
18.0 A
6

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