Product Card

KH440
ALTERNATOR CHARACTERISTICS
GENERAL DATA
Alternator type
KH01483T
Number of Phase Three phase
Power factor (Cos Phi) 0.8
Altitude (m) 0 to 1000
Overspeed (rpm) 2250
Number of pole 4
Capacity for maintaining short circuit at
3 ln for 10 s
Yes
Insulation class H
T° class+, continuous 40°C H / 125°K
T° class, standby 27°C H / 163°K
AVR Regulation Yes
Total Harmonic Distortion in no-load
DHT (%)
2.9
Total Harmonic Distortion, on load DHT
(%)
2.6
Wave form : NEMA=TIF <40
Wave form : CEI=FHT <2
Number of bearing 1
Coupling Direct
Voltage regulation at established rating
(+/- %)
0.5
Recovery time (Delta U = 20%
transient) (ms)
200
Protection class IP 23
Technology Without collar or
brush
OTHER DATA
DIMENSIONS
Dimensions soundproofed version
Commercial reference of the enclosure M229
Length (mm) 5031
Width (mm) 1560
Height (mm) 2435
Dry weight (kg) 4125
Tank capacity (L)
500
Acoustic pressure level @1m in dB(A) 85
Sound power level guaranteed (Lwa) 105
This document is not contractual - Kohler Co. reserves
the right to modify any of the characteristics without notice, in a constant effort to improve the quality of its products.
GBD5-05004 (KH440) 03/17
Continuous Nominal Rating 40°C (kVA)
Standby Rating 27°C (kVA)
Efficiencies 100% of load (%)
Air flow (m3/s)
Short circuit ratio (Kcc)
Direct axis synchro reactance unsaturated (Xd) (%)
Quadrature-axis synchro reactance unsaturated (Xq)
(%)
Open circuit time constant (T'do) (ms)
Direct axis transient reactance saturated (X'd) (%)
Short circuit transient time constant (T'd) (ms)
Direct axis subtransient reactance saturated (X''d) (%)
Subtransient time constant (T"d) (ms)
Quadrature-axis subtransient reactance saturated
(X"q) (%)
Subtransient time constant (T"q) (ms)
Zero sequence reactance unsaturated (Xo) (%)
Negative sequence reactance saturated (X2) (%)
Armature time constant (Ta) (ms)
No load excitation current (io) (A)
Full load excitation current (ic) (A)
Full load excitation voltage (uc) (V)
Engine start (Delta U = 20% perm. or 50% trans.)
(kVA)
Transient dip (4/4 load) - PF : 0.8 AR (%)
No load losses (W)
Heat rejection (W)
Unbalanced load acceptance ratio (%)
400
440
94.2
0.9
0.36
286.7
115.9
2550
19.3
160
12.2
19
24.2
15
3.62
15.8
17
0.8
3.6
31.9
1200
14.4
5390
19703
100
Acoustic pressure level @7m in dB(A) 75
Dimensions DW compact version
-
5083
1560
2090
3603
1770
-
-
Commercial reference of the enclosure
Length (mm)
Width (mm)
Height (mm)
Dry weight (kg)
Tank capacity (L)
Acoustic pressure level @1m in dB(A)
Sound power level guaranteed (Lwa)
Acoustic pressure level @7m in dB(A)
-
Dimensions DW soundproofed version
M229 DW
5083
1560
2700
4915
1770
-
-
Commercial reference of the enclosure
Length (mm)
Width (mm)
Height (mm)
Dry weight (kg)
Tank capacity (L)
Acoustic pressure level @1m in dB(A)
Sound power level guaranteed (Lwa)
Acoustic pressure level @7m in dB(A)
-