High-Efficiency Grade 1 Dry-Type Transformer | Energy-Saving & Reliable Power Distribution

65+ Years of Experience

High-Efficiency Grade 1 Dry-Type Transformer | Energy-Saving & Reliable Power Distribution

This Energy Efficiency Grade I dry-type transformer is designed to meet the requirements of modern power systems with reduced energy loss, enhanced fire safety, and strong environmental adaptability. Its high-efficiency performance contributes to long-ter

Rated voltage:0.4kV-35kV
Rated capacity:50kVA-6300kVA
Application scenarios:The product is widely used in power transmission and transformation systems,such as hotels,restaurants,airports,high-rise buildings, commercial centers,residential quarters and other important places,as well as subways,smelting power plants and other hars

Energy Efficiency Grade I Dry-Type Transformer

Energy Efficiency Grade I dry-type transformers offer significantly improved performance compared to Grade II products. With an average reduction of approximately 20% in no-load loss, these transformers deliver outstanding energy savings, enhanced operational safety, and superior fire resistance. Their reliable performance makes them suitable for continuous operation in high-load power environments such as factories, hospitals, tunnels, airports, and power stations.

The upgraded insulation system, optimized core design, and strict manufacturing process ensure low noise, stable temperature rise, and long-term durability. These advantages make Energy Efficiency Grade I dry-type transformers an ideal choice for modern industrial and commercial power distribution systems seeking higher efficiency and reduced operating costs.

Implementation Standards

GB/T 1094.1: Power Transformers – Part 1: General GB/T 1094.11: Power Transformers – Part 11: Dry-Type Transformers GB/T 2900.95: Electrical Terms – Transformers, Voltage Regulators, and Reactors GB/T 10228: Technical Parameters and Requirements of Dry-Type Power Transformers GB/T 22072: Technical Parameters and Requirements for Dry-Type Amorphous Alloy Core Transformers GB 20052-2020: Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Power Transformers

IEC 60076-11: Power Transformers – Part 11: Dry-Type Transformers IEC 60529: Degrees of Protection Provided by Enclosures (IP Code)

Type description

High-Efficiency Grade 1 Dry-Type Transformer

Performance parameters

Rated capacity (kVA)	Electricalsteelbelt				Amorphous alloy				Rated capacity (kVA)
	No-loadloss(W)	Loadloss(W)			No-loadloss(W)	Loadloss(W)
	No-loadloss(W)	B(100℃)	F(120℃)	H(145℃)	No-loadloss(W)	B(100℃)	F(120℃)	H(145℃)
30	105	605	640	685	50	605	640	685	4.0
50	155	845	900	965	60	845	900	965
80	210	1160	1240	1330	85	1160	1240	1330
100	230	1330	1415	1520	90	1330	1415	1520
125	270	1565	1665	1780	105	1565	1665	1780
160	310	1800	1915	2050	120	1800	1915	2050
200	360	2135	2275	2440	140	2135	2275	2440
250	415	2330	2485	2665	160	2330	2485	2665
315	510	2945	3125	3355	195	2945	3125	3355
400	570	3375	3590	3850	215	3375	3590	3850
500	670	4130	4390	4705	250	4130	4390	4705
630	775	4975	5290	5660	295	4975	5290	5660
630	750	5050	5365	5760	290	5050	5365	5760	6.0
800	875	5895	6265	6715	335	5895	6265	6715
1000	1020	6885	7315	7885	385	6885	7315	7885
1250	1205	8190	8720	9335	455	8190	8720	9335
1600	1415	9945	10555	11320	530	9945	10555	11320
2000	1760	12240	13005	14005	700	12240	13005	14005
2500	2080	14535	15445	16605	840	14535	15445	16605