Diesel Generator Set Test Report
Unit model	LT-W400GF	Diesel engine model			WJS6D560E20			Diesel engine brand		Weifang Wogins	Motor model	TZH2-40	Motor brand	Shanghai Duning
manufacturer					Weifang Leiting Power Machinery Co., Ltd.
Rated capacity KVA	400	power factor			0.8			Rated frequency Hz		50	Rated speed	1500r/min
Rated capacity KVA	400	Rated voltage V			400/230			Rated current A		720	Protection rating	IP21
Relative humidity %	60							Ambient temperature °C		40	environmental stress kpa	100
※Inspection of diesel engine appearance, markings, and packaging					√				※Insulation dielectric strength test		√	Instrument panel indicator condition detection
※Diesel engine performance testing					√				※Room temperature start-up performance test		√	※Control panel indicator devices	√	※Overspeed protection detection	√
insulation testing	Each independent electrical circuit of the diesel engine has a resistance to ground of ≥2 MO.				√				※Phase sequence detection: Forward phase sequence		√	※High water temperature protection detection	√	※Emergency brake detection	√
insulation testing	Insulation resistance between circuits ≥ 2 MO				√				※Overload protection and short circuit protection monitoring		√	※Low oil pressure protection detection	√	※Battery test	√
		Electrical performance testing of the unit
Load rating Power 100%	Power kW	voltage V			Current A			Power factor	Frequency HZ	Steady-state voltage Deviation o u%	Frequency drop o fst%	Frequency fluctuation HZ		Steady-state frequency βf%	Voltage adjustment range V
Load rating Power 100%	Power kW	UA	UB	UC	1A	2A	3A	Power factor	Frequency HZ	Steady-state voltage Deviation o u%	Frequency drop o fst%	maximum value	minimum value	Steady-state frequency βf%	Voltage adjustment range V
0%	0	398	399	397	0	0	0	0.8	50.1	± 1.62	3.8	52.1	50	1.5	400/ 380
25%	100	388	385	388	180	182	183		51		3.2	52.4	50.5	1.6
50%	200	392	391	391	360	362	365		50.2		2.3	51.2	50.1	1.5
75%	300	390	390	390	540	545	550		50.3		1.8	52.5	50	1.5
100%	400	385	388	386	720	721	726		50.1		0	50.5	50.4	1.6
75%	300	387	387	387	365	363	359		50.1		1.9	52.3	51.2	1.8
50%	200	396	965	395	363	360	357		50		2.2	52.6	50	1.7
25%	100	394	395	393	186	180	175		50.6		3.2	51.2	50.5	1.6
0%	0	397	398	396	0	0	0		51.9		3.9	51.9	50.6	1.4
test results	Steady-state voltage deviation o U%				± 1.61						Frequency drop ofst%		4
test results	Voltage adjustment range ≥ ± 4% un				qualified						Frequency drop ofst%		4
Testing conclusions	Approved for shipment					inspector					review	Through