Product Card

KV440C2
ALTERNATOR CHARACTERISTICS
GENERAL DATA
Alternator type KH01741T
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
No
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 (%)
<2
Total Harmonic Distortion, on load DHT
(%)
<2
Wave form : NEMA=TIF
<50
Wave form : CEI=FHT
<2
Number of bearing
1
Coupling
Direct
0.5
500
Voltage regulation at established rating
(+/- %)
Recovery time (Delta U = 20%
transient) (ms)
Protection class
IP 23
Technology
Without collar or
brush
OTHER DATA
Continuous Nominal Rating 40°C (kVA)
400
Standby Rating 27°C (kVA)
440
Efficiencies 100% of load (%)
93.1
Air flow (m3/s)
0.9
Short circuit ratio (Kcc)
0.294
Direct axis synchro reactance unsaturated (Xd) (%)
393
Quadrature-axis synchro reactance unsaturated (Xq)
(%)
Open circuit time constant (T'do) (ms)
1771
Direct axis transient reactance saturated (X'd) (%) 22.1
100
15.5
10
20.9
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)
10
Zero sequence reactance unsaturated (Xo) (%) 0.9
Negative sequence reactance saturated (X2) (%) 18.26
Armature time constant (Ta) (ms) 15
No load excitation current (io) (A) 0.85
Full load excitation current (ic) (A) 3.92
67.1
571.36
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 (%)
19
No load losses (W)
5158.09
Heat rejection (W)
23478.15
DIMENSIONS
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.
GBD5-06004 (KV440C2) 03/17
200
Unbalanced load acceptance ratio (%)
70
M228
4475
1410
2430
4080
470
78
Dimensions super 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)
Acosutic pressure level @7m in dB(A)
98
M228
4475
1410
2
430
4080
470
81
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)
101
68 71
-
4527
14
00
2065
3660
1368
-
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)
Acosutic pressure level @7m in dB(A)
-
M228 DW
4527
1410
2700
4740
1368
78
Dimensions DW super 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)
98
- 68