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IMPULSE•VG+ Series 3 Instruction Manual – 07/25/05
5-54
Motor Set-up
E2 constants define motor parameters. Normally, the default settings for E2 constants are determined
by KVA selection (O2-04). In flux vector control the E2 constants will be set automatically during
auto-tuning. If the control method is V/F (A1-02=0), the motor rated current should be entered into
E2-01.
If auto-tuning cannot be performed, some E2 constants can be calculated using the motor’s
nameplate information.
Motor rated slip frequency (E2-02) can be calculated by using the following equation:
Motor terminal resistance E2-05 can be calculated by using the following equation:
Parameter
Code
Display
Function
Range
Initial
Value
Access
Level
E2-01
Motor Rated FLA
Motor-rated current
0.01–1500.0 A
*
Adv
E2-02
Motor Rated Slip
Motor-rated slip frequency
0.00-20.00 Hz
*
Adv
E2-03
No-Load Current
Motor no-load current
0.0–1500.0 A
*
Adv
E2-04
Number of Poles
Number of poles in motor
2-48
4
Adv
E2-05
Term Resistance
Motor terminal resistance
0.000–65.000
Ω
*
Adv
E2-06
Leak Inductance
Leakage Inductance
0.0–30.0%
*
Adv
E2-07
Saturation Comp 1
Core-Saturation Compensation
Coefficient 1
0.00–0.50
*
Adv
E2-08
Saturation Comp 2
Core-Saturation Compensation
Coefficient 2
0.00–0.75
*
Adv
E2-11
Motor Rated Power
Rated output
0.0-650 Kw
*
Adv
* Initial value is determined by O2-04 (kVA Selection)
This value is automatically set during auto tuning
fs = f - (N•P)
120
Where... fs: slip frequency (Hz)
f: rated frequency (Hz)
N: rated motor speed (rpm)
P: number of motor poles
rt
=
r
p •
273 + (25˚C + Ti)/2
273 + Ti
Where...
rt
: motor terminal resistance
r
p: Phase-to-Phase resistance at insulation class temperature
Ti: insulation class temperature (˚C)
Содержание IMPULSE VG+ Series 3
Страница 1: ...Software 8001 X July 2005 Part Number 140 10257 Copyright 2005 Magnetek Instruction Manual...
Страница 6: ...c h a p t e r 1 Introduction...
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Страница 14: ...c h a p t e r 2 Installation...
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Страница 24: ...c h a p t e r 3 Wiring...
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Страница 40: ...c h a p t e r 4 Programming Basic Features...
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Страница 54: ...c h a p t e r 5 Programming Advanced Features...
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