PIC18F4539 Datasheet, PDF (118/322 Pages) Microchip Technology – Enhanced FLASH Microcontrollers with Single Phase Induction Motor Control Kernel

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