Medium voltage dry type transformer, officially certificated, China manufacturer

Overview of Medium Voltage Dry Type Transformers

Medium voltage dry type transformers are essential components in electrical distribution systems, particularly in commercial and industrial settings. These transformers are designed to operate at voltages ranging from 1 kV to 35 kV, providing a safe and efficient means of power transformation without the use of liquid coolant. Their design allows for enhanced reliability and reduced maintenance costs, making them a preferred choice among manufacturers and operators. China has emerged as a leading manufacturer of medium voltage dry type transformers, with numerous companies offering officially certificated products that meet international standards. These certifications ensure that the transformers are built with high-quality materials and undergo rigorous testing to guarantee their performance and safety.

Advantages of Dry Type Transformers

One of the primary advantages of medium voltage dry type transformers is their environmental friendliness. Unlike oil-filled transformers, dry type units do not pose a risk of leakage or contamination, making them ideal for installations in populated areas or sensitive environments. Their compact design also allows for easier installation and integration into existing electrical systems. Additionally, dry type transformers exhibit impressive thermal performance. They can operate efficiently even in high-temperature conditions, thanks to their air-cooled design. This feature contributes to their longevity and reliability, which is crucial for maintaining uninterrupted power supply in critical applications.

Certification and Quality Assurance

Manufacturers in China pride themselves on adhering to strict quality control measures and obtaining necessary certifications for their medium voltage dry type transformers. These certifications, such as ISO 9001 and IEC standards, are a testament to their commitment to quality and performance. They ensure that every transformer produced meets the specified operational and safety requirements.

Type	Rated capacity （KVA）	Voltage combination（KV）	No-load losses（W）	Load losses（W）	No-load current （%）	Short-circuit impedance （%）
SC10-800	800	33,35,38/6,6.3,6.6,10,11	2200	9400	1.1	6.0
SC10-1000	1000	Voltage combination（KV）	2610	10800	1.1	6.0
SC10-1250	1250	6,6.3,6.6,10,11/0.4	3060	11900	1.0	6.0
SC10-1500	1500	Voltage combination（KV）	3600	15400	1.0	6.0
SC10-2000	2000	6,6.3,6.6,10,11/0.4	4130	18200	0.9	7.0
SC10-2500	2500	Voltage combination（KV）	4750	21800	0.9	7.0
SC10-3150	3150	6,6.3,6.6,10,11/0.4	5880	24500	0.8	8.0
SC10-4000	4000	Voltage combination（KV）	6860	29400	0.8	8.0
SC10-5000	5000	6,6.3,6.6,10,11/0.4	8180	34960	0.7	8.0
SC10-6300	6300	Voltage combination（KV）	9680	40800	0.7	8.0
SC10-8000	8000	6,6.3,6.6,10,11/0.4	11000	46060	0.6	9.0
SC10-10000	10000	Voltage combination（KV）	12660	56500	0.6	9.0
SC10-12500	12500	6,6.3,6.6,10,11/0.4	15400	64600	0.5	9.0
SC10-16000	16000	Voltage combination（KV）	18900	76000	0.5	9.0
SC10-20000	20000	6,6.3,6.6,10,11/0.4	22400	85500	0.4	10.0

Furthermore, the certification process involves comprehensive testing procedures, including short circuit tests, temperature rise tests, and dielectric tests. These evaluations are crucial for verifying that the transformers can withstand real-world operating conditions, ensuring that end-users receive reliable and durable products.