Three Phase Fully Sealed Oil Immersed Transformer

China Lugao Electric Power is dedicated to the production of high-quality Three Phase Fully Sealed Oil Immersed Transformer, providing high-performance power solutions for the global industrial and utility sectors. The transformer adopts a fully sealed innovative design, with excellent insulation performance, efficient heat dissipation system and long service life, and can stably supply electricity even in harsh environments. With its highly competitive price advantage and perfect customized services, Lugao has successfully provided high-quality products for key projects in many countries and regions and has won customer recognition. Choosing Lugao, you will get professional technical support, fast response services and reliable quality assurance, providing all-round protection for your power projects.

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Product Description

Lugao Electric Power specializes in producing three-phase fully sealed oil-immersed transformers, providing high-quality power distribution solutions for industrial, commercial and public utility fields. The transformer adopts innovative fully sealed oil-immersed technology, has excellent insulation performance and fully sealed structure, no leakage risk, can achieve extremely low maintenance requirements, and can operate stably in complex environments. As a leading transformer manufacturer in China, we provide customers with high-performance, high-quality customized products at a very competitive price to meet the power distribution needs of different scenarios. Choosing Lugao means choosing safe, stable and economical power guarantee.

LUGAO Three phase Fully sealed oil immersed transformer Introduction

LUGAO three-phase fully sealed oil-immersed transformer adopts advanced fully sealed oil-immersed cooling system to prevent oil leakage and external pollution, ensuring long-term maintenance-free operation. Its efficient heat dissipation design can adapt to high load and harsh environment, especially suitable for long-term stable use in industrial places with large power fluctuations. It has high heat dissipation efficiency and is the best choice for environments with large power demand fluctuations or high power.

This transformer uses high-purity copper windings and advanced insulation materials, which significantly reduces energy consumption, improves energy efficiency, and ensures long-term stable power supply. It follows strict design standards and perfectly meets the stringent requirements of key infrastructure and precision equipment. It excels in reliability and durability, and is a high-quality choice for high-standard power usage scenarios.

LUGAO Three Phase Fully Sealed Oil Immersed Transformer Parameter

Three Phase Fully Sealed Oil Immersed Transformer

Capacity (KVA)	S9			S11			S13			SH15
Capacity (KVA)	NILL	LL	No-Loading Current	NILL	LL	No-Loading Current	NILL	LL	No-Loading Current	NILL	LL	No-Loading Current
30	130	600	2.1	100	600	2.1	65	600	0.63	33	600	1.7
50	170	870	2.0	150	870	2.0	85	870	0.60	43	870	1.3
63	200	1040	1.9	180	1040	1.9	100	1040	0.57	50	1040	1.2
80	250	1250	1.8	200	1250	1.8	125	1250	0.54	60	1250	1.1
100	290	1500	1.7	230	1500	1.7	145	1500	0.48	75	1500	1
125	340	1800	1.6	270	1800	1.6	170	1800	0.45	85	1800	0.9
160	400	2200	1.5	310	2200	1.5	200	2200	0.42	100	2200	0.7
200	480	2600	1.4	380	2600	1.4	240	2600	0.39	120	2600	0.7
250	560	3050	1.3	460	3050	1.3	280	3050	0.36	140	3050	0.7
315	670	3650	1.2	540	3650	1.2	335	3650	0.38	170	3650	0.5
400	800	4300	1.1	650	4300	1.1	400	4300	0.30	200	4300	0.5
500	960	5150	1.0	780	5150	1.0	480	5150	0.30	240	5150	0.5
630	1200	6200	0.9	920	6200	0.9	600	6200	0.27	320	6200	0.3
800	1400	7500	0.8	1120	7500	0.8	700	7500	0.24	380	7500	0.3
1000	1700	10300	0.7	1320	10300	0.7	850	10300	0.21	450	10300	0.3
1250	1950	12000	0.6	1560	12000	0.6	975	12000	0.18	530	12000	0.2
1600	2400	14500	0.6	1880	14500	0.6	1200	14500	0.18	630	14500	0.2
2000	2830	20000	0.6	2280	19800	0.5				750	17400	0.2
2500	3350	24000	0.6	2630	23000	0.5				900	20020	0.2

Three phase Fully sealed oil immersed transformer Operating Environment

1. Highest ambient temperature: +40℃

2. Lowest ambient temperature: -25℃

3. Elevation: below 1000 meters

4. Highest monthly average relative humidity: 90% (at 20℃)

5. Installation location: suitable for installation in areas free from fire or explosion hazards, significant pollution, chemical corrosion, or excessive vibration, whether indoors or outdoors.

Three phase Fully sealed oil immersed transformer Characteristics

1.The oil-immersed transformer core is constructed using high-grade, imported cold-rolled silicon steel sheets, significantly reducing both no-load losses and currents. This also ensures a tight core binding for enhanced compactness and reduced noise levels.

2. The high and low voltage windings are meticulously wound with oxygen-free copper. For oil-immersed transformers with capacities of 500KVA and below, a double-layer, four-helix structure is employed for the low-voltage winding, while the high-voltage winding adopts a multi-layered cylinder configuration.

3. The oil-immersed transformer 's winding connections adhere to the Dyn11 standard, effectively minimizing the impact of harmonic waves on the power grid and enhancing overall power supply quality.

4. The oil-immersed transformer is designed with a fully-sealed structure, extending its operational lifespan and eliminating the need for suspended core usage and maintenance.

6. The measured noise level falls below established standards, ensuring a quieter and more efficient operation

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No. 19, Keaisi Road, Xiangyang Industrial Zone, Liushi Town, Yueqing City, China
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