Oil-immersed Power Transformer

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Oil-immersed Power Transformer

PRODUCT PARAMETERS：
Executive standards: IEC, GB, ANSI/IEEE, NEMA
Capacity: 30kVA~2500kVA
Primary side rated voltage: 6kV~35kVA
Rated voltage on secondary side: 0.4kV
Number of tap off gears: 5
Frequency: 50/60Hz
Number of phases: three-phase
Connection group: Dyn11/Yyn0, etc
Impedance: 49%~6.5%

Hotline：+86-570-4982909　销售热线：+86-570-4982880

Description

Feature

Parameter

Oil-immersed laminated iron core distribution transformer has the advantages of compact structure, beautiful appearance, small volume, low temperature rise noise, strong overload capacity, good electrical and mechanical performance, reliable operation, etc. Energy-saving products are our company's research and application of new materials and new processes and the combination of innovation and technology introduction. Through the optimization and innovative design of iron core and coil structure, the no-load loss and noise are reduced. The product adopts domestic and foreign advanced technology and equipment and is professionally developed. High-performance cold-rolled oriented silicon steel sheet is adopted for the core, and the automatic manipulator laminating machine has small shearing burr and lamination coefficient, which effectively reduces the no-load loss, no-load current and noise of the transformer. No-load loss is 5% - 10% lower than manual lamination.

Low loss: comply with the energy efficiency requirements in GB20052-2020 Limit Values and Energy Efficiency Grades for Power Transformers;
Low noise: meet the requirements of low noise standard of State Grid South Grid;
Strong short circuit resistance: the low voltage coil is made of copper foil, and the high voltage coil is formed by pressure drying with dispensing paper, with high mechanical strength;
Beautiful appearance: full polishing and derusting, powder electric spraying paint can achieve the painting effect of household appliances;

Rated capacity KVA	Level 1			Level 2			Level 3			short circuit impedance %
	Electrical steel strip			Electrical steel strip			Electrical steel strip
	Empty loss W	Load loss W		Empty loss W	Load loss W		Empty loss W	Load loss W
	Empty loss W	Dyn11/Yzn11	Yyn0	Empty loss W	Dyn11/Yzn11	Yyn0	Empty loss W	Dyn11/Yzn11	Yyn0
30	65	455	430	70	505	480	80	630	600	4.0
50	80	655	625	90	730	695	100	910	870
63	90	785	745	100	870	830	110	1090	1040
80	105	945	900	115	1050	1000	130	1310	1250
100	120	1140	1080	135	1265	1200	150	1580	1500
125	135	1360	1295	150	1510	1440	170	1890	1800
160	160	1665	1585	180	1850	1760	200	2310	2200
200	190	1970	1870	215	2185	2080	240	2730	2600
250	230	2300	2195	260	2560	2440	290	3200	3050
345	270	2760	2630	305	3065	2920	340	3830	3650
400	330	3250	3095	370	3615	3440	410	4520	4300
500	385	3900	3710	430	4330	4120	480	5410	5150
630	460	4460		510	4960		570	6200		4.5
800	560	5400		630	6000		700	7500
1000	665	7415		845	8240		830	10300
1250	780	8640		870	9600		970	12000
1600	940	10440		1050	11600		1170	14500
2000	1085	13180		1225	14640		1360	18300		5.0
2500	1280	13360		1440	14840		1600	21200		5.0

Note: The data in the table is for reference only. The company reserves the right to make changes to the data and accepts special orders.

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Oil-immersed Power Transformer