Product Card

KD44
ALTERNATOR CHARACTERISTICS
GENERAL DATA
Alternator type KH00500T
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 (H/125°), continuous 40°C
H / 125°K
T° class, standby 27°C
H / 163°K
AVR Regulation
Yes
Total Harmonic Distortion in no-load
DHT (%)
3.0
Total Harmonic Distortion, on load DHT
(%)
1.6
Wave form : NEMA=TIF
<45
Wave form : CEI=FHT
<2
Number of bearing
1
Coupling
Direct
1
200
Voltage regulation at established rating
(+/- %)
Recovery time (Delta U = 20%
transient) (ms)
Protection class
Technology
IP 23
Without collar or
brush
OTHER DATA
Continuous Nominal Rating 40°C (kVA)
42.5
Standby Rating 27°C (kVA)
48
Efficiencies 100% of load (%)
88.4
Air flow (m3/s)
0.2
Short circuit ratio (Kcc)
0.35
Direct axis synchro reactance unsaturated (Xd) (%)
333.3
Quadrature-axis synchro reactance unsaturated (Xq)
(%)
Open circuit time constant (T''do) (ms)
1280
13.2
58
9.9
14
28.4
13
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) (%)
2.99
Negative sequence reactance saturated (X2) (%) 21.22
Armature time constant (Ta) (ms) 30
No load excitation current (io) (A) 0.83
Full load excitation current (ic) (A) 2.29
24.3
160
14.01
935
4462
DIMENSIONS
M127
2080
960
1415
1040
100
74
91
-
2160
966
1388
1002
230
-
-
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.
GBD5-03003 (KD44) 03/17
Dimensions soundproofed version
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)
62
Dimensions DW compact version
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)
-
108.4
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 (%)
100
M127 DW
2160
966
1582
1210
230
74
91
M127 DW48
2160
966
1631
1215
420
73
91
Dimensions DW soundproofed version
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)
62
Dimensions DW 48h soundproofed version
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)
62