Issue 01/06 | Parameter Description |
P1333[3] Start frequency for FCC |
|
| Min: | 0.0 | |
CStat: | CUT | Datatype: Float | Unit: % | Def: | 10.0 |
| CONTROL | Active: Immediately | QuickComm.: No | Max: | 100.0 |
Defines the FCC starting frequency as a percentage of the rated motor frequency (P0310).
Level
3
When FCC is activated using P1300 = 1, then as a function of the FCC starting frequency plus hysteresis and the actual frequency, a changeover is made with a continuous transition between the linear V/f characteristic (P1300 = 0) and FCC (refer to the diagram).
fFCC = | P0310 ⋅ P1333 |
|
| over | FCC |
| ||
fFCC Hys | 100 |
|
| V/f |
| |||
| 100 |
|
| Switch- |
| |||
+ |
| = | P0310 ⋅ (P1333 | + | 6%) |
|
|
|
|
|
|
|
|
|
| fFCC | f |
|
|
|
|
|
|
| fFCC+Hys |
Index:
P1333[0] : 1st. Drive data set (DDS)
P1333[1] : 2nd. Drive data set (DDS)
P1333[2] : 3rd. Drive data set (DDS)
Notice:
-A value that is excessively low can result in instability.
-The constant voltage boost P1310 is continuously
-Contrary, the voltage boosts P1311 and P1312 remain active over the complete frequency range.
MICROMASTER 440 | Parameter List |
161 |