Products:Three Phase Generator

Three Phase Generator :MWL290-330 Series

The principles of a three phase generator are basically the same as that of a single phase generator, except that there are three equally-spaced windings and three output voltages. We supply different types of three phase generators: Open Diesel generator set, Soundproof Diesel Generator Set, Container Diesel Generator Set and Container Diesel Generator Set to meet your different requirement. If you have any question about our three phase generator, please call or Email us for more information.

10.Three Phase Generator MWL290 Series
10.1 General Data:

Insulation Class	H	Excitation System	Self-excitation	PMG
Amount of Lead Wires	12	AVR Model	SMAVC63-7
Winding Pitch	2/3	Static Voltage Regulation Rate	±0.5%	±0.5%
Protection Class	IP21	Recovery Time	≤1.0	≤1.0
Over Speed Capacity	2250RPM	Short-circuited Current Capacity	-	300% continues for 10s
Telephone Harmonic Factor (THF)	≤2%	Waveform Distortion Rate THD	＜4%	＜4%
Telephone Interference Factor (TIF)	＜50

10.2 Three phase 50Hz-1500r.p.m. Generator

Environment	Environment temperature 40℃  3PH. 50Hz. 1500RPM P.F.=0.8 Altitude≦1000m
Temperature	40℃ Continuance				40℃ Standby				27℃ Standby
IInsulation/Temp.Rissse	H/125℃				H/125℃				H/163℃
Y △ YY	380V 220V	400V 230V	415V 240V	440V 220V	380V 220V	400V 230V	415V 240V	440V 220V	380V 220V	400V 230V	415V 240V	400V 220V
MWL345 29C KVA	150				162				170
KW   KE	120				130				136
MWL345 29D KVA	187				200				210
KW	150				160				168
MWL345 29E KVA	200				211				221
KW	160				169				177
MWL345 29F KVA	225				236				247
KW	180				189				198

10.3 Electrical Data: Reactance（%）Time Constant（ms）H/400V

		29C 0.42	29D 0.44	29E 0.45	29F 0.43
Short circuit ratio	Kcc
Direct axis synchronous reactance	Xd	317	312	301	308
Quadrature axis synchronous reactance	Xq	190	187	180	185
Open circuit time constant	T′do	2865	1971	2042	2020
Direct axis transient reactance	X′d	11	15.8	14.7	13.8
Transient current time constant	T′d	100	100	100	100
Direct axis super transient reactance	X″d	6.6	9.5	8.8	8.5
Super transient current time constant	T″d	10	10	10	10
Quadrature axis super transient reactance	X″d	7.8	11.8	10.9	9.6
Zero sequence reactance	X0	0.1	0.5	0.8	0.4
Negative sequence reactance	X2	7.3	10.6	9.9	8.8
Armature direct current component time constant	Ta	15	15	15	15

Other data: Class H/400V/40℃.

No-load excitation current    self-excitation/PMG    A	29C 0.8	29D 0.8	29E 0.7	29F 0.8
Full load excitation current    self-excitation /PMG    A	2.93	3	3	3.2
Efficiency (rated point) continuing    %	90.2	91.7	91.1	92.2
Efficiency (rated point) standby    %	91.1	92.4	92.0	93.0
Suddenly loaded capacity (P.F.=0.6△U=20% extended voltage falling or △U=50% transient voltage falling)	320	340	397	462