Emerson Powerdrive F300 - Ratings; Normal Duty; Operation of Motor Protection; 200 V Drive Ratings

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Powerdrive F300 User Guide 11
Issue Number: 2
2.3 Ratings
The continuous current ratings given are for maximum 40 °C (104 °F), 1000 m altitude and 3.0 kHz switching frequency. Derating is required for
higher switching frequencies, ambient temperature >40 °C (104 °F) and high altitude. For further information, refer to Chapter 12 Technical data on
page 232.
Table 2-1 200 V drive ratings (200 V to 240 V ±10 %)
Normal Duty
The F300 is optimized for applications which use Self ventilated (TENV/TEFC) induction motors and require a low overload capability, and full
torque at low speeds is not required (e.g. fans, pumps).
Self ventilated (TENV/TEFC) induction motors require increased protection against overload due to the reduced cooling effect of the fan at low
speed. To provide the correct level of protection the I
2
t software operates at a level which is speed dependent. This is illustrated in the graph below.
The speed at which the low speed protection takes effect can be changed by the setting of Low Speed Thermal Protection Mode (04.025). The
protection starts when the motor speed is below 15 % of base speed when Pr 04.025 = 0 (default) and below 50 % when
Pr 04.025 = 1.
Operation of motor I
2
t protection
Motor I
2
t protection is fixed as shown below and is compatible with:
• Self ventilated (TENV/TEFC) induction motors
NOTE
Motor total
current (Pr 04.001)
as a percentage
of motor rated
current
Motor speed as a
percentage of base speed
100%
Max. permissible
continuous
current
100%
I t protection operates in this region
2
70%
50%15%
Pr = 0
Pr = 1
04.025
04.025
Model
Normal Duty
Maximum continuous
output current
Nominal power
at 230 V
Motor power
at 230 V
Peak current
AkWhpA
Frame size 3
03200066 6.6 1.1 1.5 7.2
03200080 8 1.5 2 8.8
03200110 11 2.2 3 12.1
03200127 12.7 3 3 13.9
Frame size 4
04200180 18 4 5 19.8
04200250 25 5.5 7.5 27.5
Frame size 5 05200300 30 7.5 10 33
Frame size 6
06200500 50 11 15 55
06200580 58 15 20 63.8
Frame size 7
07200750 75 18.5 25 82.5
07200940 94 22 30 103.4
07201170 117 30 40 128.7
Frame size 8
08201490 149 37 50 163.9
08201800 180 45 60 198
Frame size 9
09202160 216 55 75 237.6
09202660 266 75 100 292.6
Frame size 10
10203250 325 90 125 357.5
10203600 360 110 150 396