Description

Description of 10kv 3 Phase Distribution Transformer

The 10kv 3 Phase Distribution Transformer strictly complies with two key national standards: GB1094-2013 (Power Transformer) and GB/T6451-2015 (Technical Parameters and Requirements for Three-phase Oil-immersed Power Transformers). Thanks to its excellent compliance and performance, it has been recognized by the State Economic and Trade Commission as a key equipment choice for national urban and rural power grid construction and retrofitting projects.

Among the 10kv 3 Phase Distribution Transformer series, the S11 model stands out for its high-quality design. It uses premium copper for windings, ensuring stable conductivity and long service life. What’s more, the S11 series adopts advanced new technologies and materials for coil insulation and active components. This upgrade brings two clear benefits: significantly lower no-load and load losses (helping save energy) and more reliable, superior overall performance and structure.

Whether for urban power grid expansion or rural power infrastructure upgrades, the 10kv 3 Phase Distribution Transformer (especially the S11 series) delivers consistent, efficient performance—making it a practical and cost-effective choice for power sector professionals.

Parameter of 10kv 3 Phase Distribution Transformer

Rated Capacity (kVA)	Voltage Combination			Connection Group Symbol	No-load Loss R（W）	Load Loss R（W）75℃	Impedance Voltage (%)	No-load Current（%）	Length L（mm）	Width W (mm）	Height H（mm）	Gauge Horizontal*Vertical （mm）	Active parts Weight（Kg）	Oil Weight（Kg）	Total Weight（Kg）
Rated Capacity (kVA)	High Voltage (KV)	Tapping Range of High Voltage	Low Voltage (KV)	Connection Group Symbol	No-load Loss R（W）	Load Loss R（W）75℃	Impedance Voltage (%)	No-load Current（%）	Length L（mm）	Width W (mm）	Height H（mm）	Gauge Horizontal*Vertical （mm）	Active parts Weight（Kg）	Oil Weight（Kg）	Total Weight（Kg）
30	6 6.3 10 10.5	±5% ±2×2.5%	0.4	Dyn11 Yzn11 Yyn0	100	630/600	4	2.8	980	735	1145	400*400	178	78	355
50					130	910/870		2.5	1017	758	1205	450*400	240	92	415
63					150	1090/1040		2.4	1035	785	1285	450*400	285	105	505
80					180	1310/1250		2.2	1065	800	1290	450*400	330	110	540
100					200	1580/1500		2.1	1072	820	1305	450*400	345	116	590
125					240	1890/1800		2	1155	1105	1310	450*550	415	135	705
160					280	2310/2200		1.9	1235	850	1535	550*550	485	155	835
200					340	2730/2600		1.8	1282	860	1557	550*550	582	168	965
250					400	3200/3050		1.7	1310	940	1605	550*550	695	210	1135
315					480	3830/3650		1.6	1465	1120	1915	660*650	855	255	1520
400					570	4520/4300		1.5	1440	1165	1725	660*660	950	295	1590
500					680	5410/5150		1.4	1510	1250	1845	660*650	1150	320	1905
630					810	6200		1.3	1650	1140	1920	660*650	1500	435	2015
800					980	7500	4.5	1.2	2125	1175	2315	820*820	1910	760	3510
1000					1150	10300		1.1	2150	1380	2570	820*820	2125	880	3850
1250					1360	12000		1	2355	1485	2570	820*820	2605	960	4610
1600					1640	14500		0.9	2385	1750	2630	820*820	3125	1150	5420
2000					1940	18300	5	0.4	1940	1400	1700	820*820	2420	780	4200
2500					2290	21200	5	0.4	2050	1480	1800	820*820	2560	880	4680

Feature of 10kv 3 Phase Distribution Transformer

1. Excellent Economic Performance

Cost savings start with lower energy loss. Our 10kv 3 Phase Distribution Transformer follows S11 series standards, which bring significant improvements over the older S9 series. On average, it reduces no-load loss by 10.3% and cuts no-load current by 22.4%. This means less wasted electricity during operation, helping users lower long-term energy bills while reducing environmental impact.

2. Long-Lasting Service Life

Durability is key for power equipment—and this transformer delivers. Its tank uses a strict hermetic structure: the tank body and cover are tightly connected either by high-strength bolts or seamless welding. This design keeps transformer oil completely isolated from air, preventing oil oxidation and contamination. As a result, the transformer’s service life is effectively extended, reducing the need for frequent replacements or maintenance.

3. High Operational Reliability

No one wants unexpected downtime in power systems. To avoid leaks or failures, we’ve upgraded the sealing parts of the transformer tank. These improvements boost the tank’s airtightness, raise overall technical standards, and ensure consistent, reliable operation. Whether in harsh weather or long-term use, the transformer maintains stable performance, minimizing risks for power distribution networks.

4. Compact Installation Area

Space is often a challenge in urban or crowded industrial sites. The S11-M variant of our 10kv 3 Phase Distribution Transformer solves this with corrugated plate radiators. When the transformer oil temperature changes (due to load fluctuations), the corrugated plates expand or contract naturally—this replaces the need for a traditional oil conservator. Besides, the corrugated tank has a neat, modern look and takes up much less space than conventional designs, making installation easier even in tight areas.