6. Description of Parameters
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2. User-defined Multi-point V/F curve
Figure 6-37 User-defined Multi-point V/F curve
Output voltage
Rated voltage
F3-08: V3
F3-06: V2
F3-04: V1
Rated frequency
f1
f2
f3
F3-03 F3-05
F3-07
Output frequency
F3-03 to F3-08 define multi-point V/F curve.
You must set multi-p
oint V/F curve based on motor’s load characteristic. The three
voltage points and frequency points must satisfy: V1 < V2 < V3, f1 < f2 < f3. When
you set F1 (F3-03), F2 (F3-05) and F3 (F3-07), set F3-07 first, then F3-05 and finally
F3-03.
3. Variable-torque Square V/F curve
Figure 6-38 Variable-torque Square V/F curve
Output voltage
F1-02
(Rated voltage)
F3-01
(Torque boost)
Output frequency
Output voltage and output frequency change according to square curve when below
rated frequency. It is applicable to applications such as centrifugal fans where the load
is inversely proportional to the speed.
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6
F1-04
(Rated frequency)
Содержание GT600-4T132G
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