Product Card

Table Of Contents
KD250
ALTERNATOR CHARACTERISTICS
GENERAL DATA
Alternator type KH01180T
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 (%)
2.6
Total Harmonic Distortion, on load DHT
(%)
2.8
Wave form : NEMA=TIF
<40
Wave form : CEI=FHT
<2
Number of bearing
1
Coupling
Direct
200
Voltage regulation at established rating
(+/- %)
Recovery time (Delta U = 20%
transient) (ms)
Indication of protection
Technology
IP 23
Without collar or
brush
OTHER DATA
Continuous Nominal Rating 40°C (kVA)
225
Standby Rating 27°C (kVA)
250
Efficiencies 100% of load (%)
93
Air flow (m3/s)
0.533
Short circuit ratio (Kcc)
0.45
Direct axis synchro reactance unsaturated (Xd) (%)
198.7
Quadra axis synchro reactance unsaturated (Xq)
(%)
Open circuit time constant (T'do) (ms) 1100
Direct axis transient reactance saturated (X'd) (%)
10.5
83
5.6
13
19.1
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)
23
Zero sequence reactance unsaturated (Xo) (%) 2.69
Negative sequence reactance saturated (X2) (%) 13.2
Armature time constant (Ta) (ms) 18
No load excitation current (io) (A) 0.67
Full load excitation current (ic) (A) 3
47.1
155
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 (%)
13.9
No load losses (W)
3100
Heat rejection (W)
Unbalanced load acceptance ratio (%)
100
DIMENSIONS
Dimensions soundproofed version
Commercial reference of the enclosure M226
Length (mm)
3508
Width (mm) 1200
Height (mm)
1830
Dry weight (kg)
2400
Tank capacity (L)
340
Acoustic pressure level @1m in dB(A)
82
Sound power level guaranteed (Lwa)
101
Acoustic pressure level @7m in dB(A)
71
Dimensions DW compact version
Commercial reference of the enclosure
-
Length (mm) 3560
Width (mm) 1180
Height (mm)
1890
%PdnetE_3%
2140
Tank capacity (L)
868
Acoustic pressure level @1m in dB(A)
-
Sound power level guaranteed (Lwa)
-
Acoustic pressure level @7m in dB(A)
-
1
13548
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.
GBD5-03026 (KD250) 03/17
109.7
Dimensions DW soundproofed version
M226 DW
3560
1200
2182
2740
868
82
101
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)
71
Dimensions DW 48h soundproofed version
M226 DW48
3560
1200
2364
2800
1630
82
101
Commercial reference of the enclosure
Length (mm)
Width (mm)
Height (mm)
%PdnetE_3%
Tank capacity (L)
Acoustic pressure level @1m in dB(A)
Sound power level guaranteed (Lwa)
Acoustic pressure level @7m in dB(A)
71