Product Card

KH275
ALTERNATOR CHARACTERISTICS
GENERAL DATA
Alternator type KH01380T
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
Total Harmonic Distortion, on load DHT
(%)
2.9
Wave form : NEMA=TIF <40
Wave form : CEI=FHT
<2
Number of bearing 1
Coupling Direct
Voltage regulation at established rating
(+/- %)
1
Recovery time (Delta U = 20%
transient) (ms)
200
Protection class IP 23
Technology Without collar or
brush
OTHER DATA
Continuous Nominal Rating 40°C (kVA) 250
Standby Rating 27°C (kVA) 275
Efficiencies 100% of load (%) 93.4
Air flow (m3/s) 0.533
Short circuit ratio (Kcc) 0.44
Direct axis synchro reactance unsaturated (Xd) (%) 214.2
Quadrature-axis synchro reactance unsaturated (Xq)
(%)
Open circuit time constant (T'do) (ms)
1300
Direct axis transient reactance saturated (X'd) (%) 12
Short circuit transient time constant (T'd) (ms) 85
Direct axis subtransient reactance saturated (X''d)
(%)
6.2
Subtransient time constant (T"d) (ms) 13
Quadrature-axis subtransient reactance saturated
(X"q) (%)
18.9
Subtransient time constant (T"q) (ms) 12
Zero sequence reactance unsaturated (Xo) (%) 2.48
Negative sequence reactance saturated (X2) (%) 13.7
Armature time constant (Ta) (ms) 17
No load excitation current (io) (A) 0.71
Full load excitation current (ic) (A) 2.8
Full load excitation voltage (uc) (V) 44
Engine start (Delta U = 20% perm. or 50% trans.)
(kVA)
185
Transient dip (4/4 load) - PF : 0,8 AR (%) 13.87
No load losses (W)
3425
Heat rejection (W)
14133
DIMENSIONS
M227
4004
1380
2145
3160
390
83
102
This document is not contractual - Kohler Co. res
erves the right to modify any of the characteristics without notice, in a constant effort to improve the quality of its products.
GBD5-05001 (KH275) 03/17
121.1
Unbalanced load acceptance ratio (%) 100
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)
73
Commercial reference of the enclosure
-
Length (mm) 4056
Width (mm) 1360
Height (mm)
1885
Dry weight (kg)
2770
Tank capacity (L)
950
Acoustic pressure level @1m in dB(A)
-
Sound power level guaranteed (Lwa)
-
Acoustic pressure level @7m in dB(A)
-
Dimensions DW compact version
1
M227 DW
4056
1380
2340
3960
950
83
102
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)
72
M227 DW48
4056
1380
2618
3965
2130
83
102
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) 72
Dimension DW 48h soundproofed version