OEM China Stamford Alternator - 34KW-68KW LTP224 Series Brushless AC Alternator – Landtop

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OEM China Stamford Alternator - 34KW-68KW LTP224 Series Brushless AC Alternator – Landtop Detail:

Standard features:
◆The technical performance and mounting dimension of LTP series generators are
international IEC 60034,NEMA MG1-32,ISO8528,CSA C22.2-100,VDE0530 and
national GB755 standards compliant,the quality of prodcts can reach current international standard.
◆Excellent compatibility with drive systems:standard mounting dimensions can be coupled to any
diesel engines from worldwide,many S.A.E flanges and S.A.E drive discs can be easily interchangealble.
◆Easy access for installation and maintenance,including:coupling to engines,connecting for lead
wire,adjustment for AVR,connecting for rectifier,integrating with current transformers.For balanced
rotor with two sealed and quality ball bearing,LTP generators have the featues of little vibration and
low noise.
◆The standard enclosure protection is IP23.
◆And with standard permanent magnet generator excitation system(PMG)

50Hz – 1500rpm CLASS “H”
RATING		Winding 311/0.8 Power Factor
Duty/Temp Rise/Ambient T°		Cont./125K/40°C				Standby/150k/40°C
Phase		3 Phase				3 Phase
Voltage	Y	380	400	415	400	380	400	415	400
	△	220	230	240		220	230	240
	YY				220				220
LTP224S1	KVA	42.5	42.5	42.5	42.5	46.8	46.8	46.8	46.8
LTP224S1	KW	34	34	34	34	37.4	37.4	37.4	37.4
LTP224S2	KVA	50	50	50	50	55	55	55	55
LTP224S2	KW	40	40	40	40	44	44	44	44
LTP224S3	KVA	60	60	60	60	66	66	66	66
LTP224S3	KW	48	48	48	48	52.8	52.8	52.8	52.8
LTP224S4	KVA	72.5	72.5	72.5	72.5	81.3	81.3	81.3	81.3
LTP224S4	KW	58	58	58	58	65	65	65	65
LTP224S5	KVA	85	85	85	85	93.8	93.8	93.8	93.8
LTP224S5	KW	68	68	68	68	75	75	75	75

60Hz – 1800rpm CLASS “H”
RATING	Winding 311/0.8 Power Factor							Winding 05
Duty/Temp Rise/Ambient T°	Cont./125K/40°C			Standby/150k/40°C				Cont./125K/40°C
Phase	3 Phase			3 Phase				1 Phase
Voltage	Y	380	400	415	400	380	400	415	400
	△	220	230	240		220	230	240
	YY				220				220
LTP224S1	KVA	51	51	51	51	56.1	56.1	56.1	56.1
LTP224S1	KW	40.8	40.8	40.8	40.8	44.9	44.9	44.9	44.9
LTP224S2	KVA	60	60	60	60	66	66	66	66
LTP224S2	KW	48	48	48	48	52.8	52.8	52.8	52.8
LTP224S3	KVA	72.5	72.5	72.5	72.5	80	80	80	80
LTP224S3	KW	58	58	58	58	64	64	64	64
LTP224S4	KVA	87	87	87	87	95.7	95.7	95.7	95.7
LTP224S4	KW	69.6	69.6	69.6	69.6	76.5	76.5	76.5	76.5
LTP224S5	KVA	102	102	102	102	112.2	112.2	112.2	112.2
LTP224S5	KW	81.6	81.6	81.6	81.6	89.8	89.8	89.8	89.8

Frequency/R.P.M		50Hz-1500rpm				60Hz-1800rpm
Duty/Ambient T°		Continuous/40°C				Continuous/40°C
Ins.Class/ T° Rise		H/125° K				H/125° K
Load/Phase/P.F.		Full load/3Phase/0.8				Full load/3Phase/0.8
Voltage	Y	380	400	415	400	380	416	440	480
	△	220	230	240		220	240	200
	YY				220		208		240
LTP224S1	η（%）	86.5	87.1	87.4	88.2	86	86.8	87.2	87.9
LTP224S2	η（%）	87.8	88.2	88.5	89	87.1	87.8	88.2	88.8
LTP224S3	η（%）	88.2	88.8	89.1	89.6	88.2	88.7	89	89.4
LTP224S4	η（%）	89.6	90	90.2	90.6	89.4	89.9	90.2	90.5
LTP224S5	η（%）	89.9	90.2	90.4	90.8	90.2	90.4	90.6	91

REACTANCE-TIME CONSTANT(s) H CLASS
	50Hz @ 400V	224S1	224S2	224S3	224S4	224S5
Kcc	SHORT CIRCUIT RATIO	0.457	0.476	0.446	0.483	0.455
Xd	DIR. AXIS SYNCHRONOUS	2.19	2.100	2.240	2.070	2.200
X’d	DIR. AXIS TRANSIENT	0.17	0.160	0.170	0.160	0.170
X”d	DIR. AXIS SUBTRANSIENT	0.11	0.110	0.120	0.110	0.120
Xq	QUAD. AXIS REACTANCE	1.01	0.970	1.020	0.950	1.010
X”q	QUAD. AXIS SUBTRANSIENT	0.14	0.130	0.130	0.140	0.150
X2	NEGATIVE SEQUENCE	0.13	0.120	0.120	0.130	0.140
X0	ZERO SEQUENCE	0.09	0.080	0.100	0.100	0.100
T’d	TRANSIENT TIME CONST.	0.025s	0.027s	0.028s	0.030s	0.032s
T”d	SUB-TRANS TIME CONST.	0.006s	0.006s	0.007s	0.008s	0.008s
T’do	O.C. FIELD TIME CONST.	0.65s	0.70s	0.70s	0.70s	0.75s
Ta	ARMATURE TIME CONST.	0.005s	0.0055s	0.006s	0.0065s	0.007s

	60Hz @ 440V	224S1	224S2	224S3	224S4	224S5
Kcc	SHORT CIRCUIT RATIO	0.352	0.353	0.360	0.426	0.405
Xd	DIR. AXIS SYNCHRONOUS	2.84	2.830	2.780	2.350	2.470
X’d	DIR. AXIS TRANSIENT	0.21	0.200	0.200	0.200	0.190
X”d	DIR. AXIS SUBTRANSIENT	0.14	0.140	0.140	0.130	0.130
Xq	QUAD. AXIS REACTANCE	1.31	1.300	1.280	1.080	1.130
X”q	QUAD. AXIS SUBTRANSIENT	0.13	0.130	0.130	0.120	0.140
X2	NEGATIVE SEQUENCE	0.12	0.130	0.130	0.120	0.140
X0	ZERO SEQUENCE	0.075	0.080	0.080	0.090	0.100
T’d	TRANSIENT TIME CONST.	0.025s	0.027s	0.028s	0.030s	0.032s
T”d	SUB-TRANS TIME CONST.	0.006s	0.006s	0.007s	0.008s	0.008s
T’do	O.C. FIELD TIME CONST.	0.65s	0.70s	0.70s	0.70s	0.75s
Ta	ARMATURE TIME CONST.	0.005s	0.0055s	0.006s	0.0065s	0.007s

Note: Products and materials shown in this catalogue may,at any time,be modified in order to follow the latest technological
developments, improve the design or change the conditions of utilisation. Their description cannot in any case engage
LANDTOP liability.

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Note: Products and materials shown in this catalogue may,at any time,be modified in order to follow the latest technological
developm-ents, improve the design or change the conditions of utilisation. Their description cannot in any case engage
LANDTOP liability.

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