Step down dry type transformer, with type test, China manufacturer

Overview of Step Down Dry Type Transformers

Step down dry type transformers are essential components in modern electrical distribution systems. These transformers are designed to reduce high voltage levels to lower voltages suitable for various applications, including commercial and industrial settings. Unlike oil-filled transformers, dry type transformers utilize air as a cooling medium, making them safer and more environmentally friendly. These transformers are particularly favored for their reliability and minimal maintenance requirements. They are constructed with high-quality insulation materials, which provide excellent dielectric strength and thermal stability. This makes them ideal for installation in areas where safety and performance are paramount.

Type Testing and Quality Assurance

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

Type testing plays a crucial role in ensuring the performance and safety of step down dry type transformers. Manufacturers carry out a series of rigorous tests to verify that the transformers meet both national and international standards. These tests include evaluation of thermal performance, short-circuit withstand strength, and insulation resistance. In addition to standard type tests, manufacturers in China often conduct further assessments to ensure their products can withstand specific environmental conditions. This includes humidity testing, temperature cycling, and vibration testing, which are critical for applications in challenging environments.

Leading Manufacturers in China

China has become a leading hub for the production of step down dry type transformers. Several manufacturers are recognized for their advanced technology and commitment to quality. These companies invest heavily in research and development to improve transformer efficiency and reliability, providing innovative solutions to meet diverse customer needs. Chinese manufacturers also focus on international certifications, enabling them to compete effectively in global markets. By adhering to strict quality control measures and leveraging modern manufacturing techniques, these companies ensure that their transformers not only meet but exceed industry standards.