Molded cast coil dry type transformer, IEC standard, China manufacturer

Overview of Molded Cast Coil Dry Type Transformers

Molded cast coil dry type transformers are essential components in electrical power distribution systems. These transformers utilize a unique construction method that involves the use of a cast resin to encapsulate the windings. This design not only enhances the insulation properties but also provides superior protection against environmental factors, making them ideal for various applications. One of the primary advantages of molded cast coil transformers is their ability to operate without the need for liquid cooling. This feature allows for installation in locations where traditional oil-filled transformers would pose a safety risk or require more extensive maintenance. As a result, these transformers have gained significant popularity in urban settings and sensitive environments.

Compliance with IEC Standards

The International Electrotechnical Commission (IEC) has established standards that govern the design and performance of transformers, including molded cast coil dry type transformers. Compliance with these standards ensures that the transformers meet global safety, reliability, and efficiency benchmarks. Manufacturers in China are increasingly adopting IEC standards to enhance their competitive edge in the international market. By adhering to IEC standards, manufacturers can guarantee that their products not only meet rigorous quality specifications but also facilitate easier integration into existing power systems worldwide. This adherence also supports end-users by providing assurance that they are investing in reliable and durable equipment.

Leading Manufacturers in China

Type	Rated capacity （KVA）	Voltage combination（KV）	No-load losses（W）	Load losses（W）	No-load current （%）	Short-circuit impedance （%）
SC13-30	30	6,6.3,6.6,10,11/0.4	150	710	2.3	4.0
SC13-50	50	6,6.3,6.6,10,11/0.4	215	1000	2.2	4.0
SC13-80	80	6,6.3,6.6,10,11/0.4	295	1380	1.7	4.0
SC13-100	100	6,6.3,6.6,10,11/0.4	320	1570	1.7	4.0
SC13-125	125	6,6.3,6.6,10,11/0.4	375	1850	1.5	4.0
SCB13-160	160	6,6.3,6.6,10,11/0.4	430	2130	1.5	4.0
SCB13-200	200	6,6.3,6.6,10,11/0.4	495	2530	1.3	4.0
SCB13-250	250	6,6.3,6.6,10,11/0.4	575	2760	1.3	4.0
SCB13-315	315	6,6.3,6.6,10,11/0.4	705	3470	1.1	4.0
SCB13-400	400	6,6.3,6.6,10,11/0.4	785	3990	1.1	4.0
SCB13-500	500	6,6.3,6.6,10,11/0.4	930	4880	1.1	4.0
SCB13-630	630	6,6.3,6.6,10,11/0.4	1070	5880	0.9	4.0
SCB13-630	630	6,6.3,6.6,10,11/0.4	1040	5960	0.9	6.0
SCB13-800	800	6,6.3,6.6,10,11/0.4	1210	6960	0.9	6.0
SCB13-1000	1000	6,6.3,6.6,10,11/0.4	1410	8130	0.9	6.0
SCB13-1250	1250	6,6.3,6.6,10,11/0.4	1670	9690	0.9	6.0
SCB13-1600	1600	6,6.3,6.6,10,11/0.4	1960	11700	0.9	6.0
SCB13-2000	2000	6,6.3,6.6,10,11/0.4	2440	14400	0.7	6.0
SCB13-2500	2500	6,6.3,6.6,10,11/0.4	2880	17100	0.7	6.0

China has emerged as a key player in the production of molded cast coil dry type transformers, with several manufacturers leading the industry. These companies leverage advanced technology and skilled labor to produce high-quality transformers that comply with international standards. Their commitment to innovation has positioned them favorably in both domestic and international markets.