
PIC18FXX39
DS30485A-page 116
Preliminary
2002 Microchip Technology Inc.
Strong Fan V/F Curve
15
14.8
1.3%
6.2
0.45
100
18
17.8
1.1%
8.5
0.57
193
20
19.8
1.0%
11.3
0.69
264
25
24.7
1.2%
17.3
0.94
408
30
29.7
1.0%
24.0
1.17
538
35
34.6
1.1%
31.5
1.43
654
40
39.6
1.0%
38.9
1.66
720
45
44.5
1.1%
49.5
1.96
888
50
49.5
1.0%
61.6
2.26
1040
55
54.4
1.1%
73.5
2.56
1162
60
59.4
1.0%
93.8
2.94
1410
65
64.3
1.1%
106.8
3.24
1534
70
69.3
1.0%
108.9
3.49
1401
75
74.2
1.1%
109.5
3.58
1016
Weak Fan V/F Curve
15
14.8
1.3%
14.9
0.99
306
18
17.8
1.1%
19.1
1.15
405
20
19.8
1.0%
23.5
1.31
475
25
24.7
1.2%
32.8
1.56
619
30
29.7
1.0%
41.2
1.79
759
35
34.6
1.1%
51.5
2.01
893
40
39.6
1.0%
62.2
2.23
1018
45
44.5
1.1%
73.7
2.47
1155
50
49.4
1.2%
83.0
2.64
1277
55
54.4
1.1%
92.5
2.86
1397
60
59.4
1.0%
103.5
3.06
1498
65
64.3
1.1%
108.0
3.22
1500
70
69.3
1.0%
107.8
3.50
1348
75
74.2
1.1%
108.1
3.55
949
TABLE 14-2:
ProMPT OUTPUT CHARACTERISTICS FOR VARIOUS V/F CURVES (CONTINUED)
Motor Type:
Rated Voltage:
Full Load Current:
Rated Frequency:
Rated Speed:
Rated Power:
Shaded Pole Blower
115V
3.5/3.25A
50/60 Hz
1570 RPM
1/10 HP
Input
Frequency (Hz)
Measured
Frequency (Hz)
Deviation (%)
Measured
Output
Voltage (RMS)
Measured
Output
Current (A)
Motor Speed
(RPM)