Nidec Digitax HD M751 Base - Page 104

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104 Digitax HD M75X Series Installation and Technical Guide
Issue Number: 5
Table 6-10 Continuous rating with no overload @ 0 Hz output frequency, 50 °C (122 °F) ambient
6.1.4 Power dissipation
Table 6-11 Losses from 40 °C (104 °F) up to 55 °C (131 °F) ambient.
Rear vent power dissipation
When the rear vent kit is installed the majority of drive losses are removed via the rear vent, however some heat losses will remain within the
enclosure. Table 6-12 details how this loss is divided for each frame size. The data in Table 6-12 should be used in conjunction with Table 6-11.
Table 6-12 Rear vent power loss distribution
Example
Digitax HD M75X-01400015 operating with a 8 kHz switching frequency within a 40 °C ambient temperature.
Total drive loss for given condition = 29.4 W
Drive losses expelled via rear vent = 22 W (75 %)
Drive losses remaining within the cubicle = 7.4 W (25 %)
Model
Heavy Duty
Maximum permissible continuous output current (A) at 0 Hz with no overload
2 kHz 3 kHz 4 kHz 6 kHz 8 kHz 12 kHz 16 kHz
200 V
01200022 2.2 2.2 2.2 2.2 2.2 2.2 2.2
01200040 4.0 4.0 4.0 4.0 4.0 4.0 4.0
01200065 6.4 6.2 6.1 5.9 5.5 5.0 4.6
02200090 9.0 9.0 9.0 9.0 9.0 9.0 9.0
02200120 11.5 11.3 11.0 10.7 10.3 9.8 9.5
03200160 16.0 16.0 16.0 16.0 16.0 14.6 13.6
400 V
01400015 1.5 1.5 1.5 1.5 1.5 1.5 1.5
01400030 3.0 3.0 3.0 3.0 3.0 3.0 2.8
01400042 3.7 3.6 3.5 3.4 3.2 3.0 2.8
02400060 6.0 6.0 6.0 6.0 6.0 6.0 5.6
02400080 8.0 8.0 8.0 8.0 8.0 7.2 5.6
02400105 10.0 10.0 10.0 9.7 8.9 7.2 5.6
03400135 13.5 13.5 13.5 13.5 12.5 10.4 8.6
03400160 16.0 15.7 14.9 13.6 12.5 10.4 8.6
Model
Heavy Duty
Drive losses (W) taking into account any current derating for the given conditions
2 kHz 3 kHz 4 kHz 6 kHz 8 kHz 12 kHz 16 kHz
200 V
01200022 30.2 30.3 30.4 30.6 30.8 31.2 31.6
01200040 37.6 37.8 38.0 38.3 38.7 39.4 40.1
01200065 46.6 46.8 47.1 47.7 48.2 49.4 50.5
02200090 54.3 54.5 54.7 55.1 55.6 56.4 57.3
02200120 66.2 66.5 66.8 67.3 67.9 69.0 70.2
03200160 85.2 85.6 86.0 86.7 87.5 89.0 90.6
400 V
01400015 27.8 28.1 28.3 28.9 29.4 30.5 31.6
01400030 34.1 34.6 35.2 36.2 37.3 39.5 41.7
01400042 37.2 38.0 38.7 40.2 41.8 44.8 47.9
02400060 45.8 46.9 47.9 50.1 52.2 56.6 61.2
02400080 54.3 55.7 57.1 60.0 62.8 68.7 74.8
02400105 65.0 66.9 68.7 72.4 76.2 84.0 91.9
03400135 80.2 82.2 84.2 88.3 92.4 100.7 109.1
03400160 87.1 89.5 91.9 96.7 101.6 111.4 121.4
Drive Percentage of Heat via rear vent Percentage of heat remaining within enclosure
All Frames 75 % 25 %