3 phase dry type transformer, Class F insulated, China manufacturer

Overview of 3 Phase Dry Type Transformers

3 phase dry type transformers are critical components in electrical systems, particularly in industrial and commercial applications. These transformers are designed to step up or step down voltage levels while maintaining high efficiency and reliability. Unlike oil-filled transformers, dry type transformers utilize air for cooling, making them safer for use in environments where flammable materials may be present. The construction of a 3 phase Dry type transformer typically involves windings that are insulated with Class F materials. This insulation allows the transformer to operate at higher temperatures without compromising performance. The design ensures that the transformer can handle varying loads and environmental conditions effectively, making it a versatile choice for many applications.

Advantages of Class F Insulation

Class F insulation refers to materials that can withstand continuous operating temperatures of up to 155°C (311°F). This high-temperature tolerance makes transformers with Class F insulation suitable for demanding applications where thermal stress is a concern. The robustness of Class F materials contributes to the longevity and reliability of the transformer, reducing the need for frequent maintenance. In addition to their thermal resilience, Class F insulated transformers also provide excellent electrical insulation properties. This ensures that the transformer can operate efficiently without the risk of short circuits or electrical failures. Manufacturers in China are increasingly adopting this insulation class, recognizing its advantages in enhancing transformer performance and safety.

Chinese Manufacturers and Market Trends

Type	Rated capacity （KVA）	Voltage combination（KV）	No-load losses（W）	Load losses（W）	No-load current （%）	Short-circuit impedance （%）
SC12-30	30	6,6.3,6.6,10,11/0.4	150	710	2.0	4.0
SC12-50	50	6,6.3,6.6,10,11/0.4	215	1000	2.0	4.0
SC12-80	80	6,6.3,6.6,10,11/0.4	295	1380	1.5	4.0
SC12-100	100	6,6.3,6.6,10,11/0.4	320	1570	1.5	4.0
SC12-125	125	6,6.3,6.6,10,11/0.4	375	1850	1.3	4.0
SCB12-160	160	6,6.3,6.6,10,11/0.4	430	2130	1.3	4.0
SCB12-200	200	6,6.3,6.6,10,11/0.4	495	2530	1.1	4.0
SCB12-250	250	6,6.3,6.6,10,11/0.4	575	2760	1.1	4.0
SCB12-315	315	6,6.3,6.6,10,11/0.4	705	3470	1.0	4.0
SCB12-400	400	6,6.3,6.6,10,11/0.4	785	3990	1.0	4.0
SCB12-500	500	6,6.3,6.6,10,11/0.4	930	4880	1.0	4.0
SCB12-630	630	6,6.3,6.6,10,11/0.4	1070	5880	0.85	4.0
SCB12-630	630	6,6.3,6.6,10,11/0.4	1040	5960	0.85	6.0
SCB12-800	800	6,6.3,6.6,10,11/0.4	1210	6960	0.85	6.0
SCB12-1000	1000	6,6.3,6.6,10,11/0.4	1410	8130	0.85	6.0
SCB12-1250	1250	6,6.3,6.6,10,11/0.4	1670	9690	0.85	6.0
SCB12-1600	1600	6,6.3,6.6,10,11/0.4	1960	11700	0.85	6.0
SCB12-2000	2000	6,6.3,6.6,10,11/0.4	2440	14400	0.7	6.0
SCB12-2500	2500	6,6.3,6.6,10,11/0.4	2880	17100	0.7	6.0

China has emerged as a leading manufacturer of 3 phase dry type transformers, with several companies specializing in the production of high-quality electrical equipment. These manufacturers leverage advanced technology and rigorous quality control measures to ensure their products meet international standards. As a result, Chinese-made transformers are increasingly being exported to various countries, gaining a reputation for reliability and cost-effectiveness.