Understanding Step Down Transformers

TypeRated capacity (KVA)Voltage combination(KV)No-load losses(W)Load losses(W)No-load current (%)Short-circuit impedance (%)
SC12-30306,6.3,6.6,10,11/0.41507102.04.0
SC12-50506,6.3,6.6,10,11/0.421510002.04.0
SC12-80806,6.3,6.6,10,11/0.429513801.54.0
SC12-1001006,6.3,6.6,10,11/0.432015701.54.0
SC12-1251256,6.3,6.6,10,11/0.437518501.34.0
SCB12-1601606,6.3,6.6,10,11/0.443021301.34.0
SCB12-2002006,6.3,6.6,10,11/0.449525301.14.0
SCB12-2502506,6.3,6.6,10,11/0.457527601.14.0
SCB12-3153156,6.3,6.6,10,11/0.470534701.04.0
SCB12-4004006,6.3,6.6,10,11/0.478539901.04.0
SCB12-5005006,6.3,6.6,10,11/0.493048801.04.0
SCB12-6306306,6.3,6.6,10,11/0.4107058800.854.0
SCB12-6306306,6.3,6.6,10,11/0.4104059600.856.0
SCB12-8008006,6.3,6.6,10,11/0.4121069600.856.0
SCB12-100010006,6.3,6.6,10,11/0.4141081300.856.0
SCB12-125012506,6.3,6.6,10,11/0.4167096900.856.0
SCB12-160016006,6.3,6.6,10,11/0.41960117000.856.0
SCB12-200020006,6.3,6.6,10,11/0.42440144000.76.0
SCB12-250025006,6.3,6.6,10,11/0.42880171000.76.0

Step down transformers are electrical devices designed to reduce the voltage of an electrical supply. These transformers are critical in various applications, particularly in power distribution systems. By lowering the voltage, they allow for safer and more efficient use of electricity in homes and industries.

In a step down transformer, the primary winding has more turns than the secondary winding. This ratio of turns determines how much the voltage is reduced. For instance, a transformer that steps down 25,000 kVA can efficiently manage high voltage levels, making it suitable for large-scale operations in factories or substations.

The importance of these transformers cannot be overstated as they play a crucial role in ensuring that electrical appliances receive the proper voltage. Without step down transformers, many devices would be at risk of damage due to excessive voltage, leading to potential safety hazards and financial losses.

The Role of 25000 kVA Transformers in Industry

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A 25000 kVA transformer is a powerful unit capable of handling significant electrical loads. This transformer size is often used in industrial settings where large machinery requires substantial amounts of energy. The ability to step down high voltage to usable levels makes these transformers indispensable in manufacturing and processing facilities.

Companies in China have increasingly invested in high-capacity transformers like the 25000 kVA models to meet the growing energy demands of their industries. These transformers are built to comply with international standards, ensuring reliability and performance. The ISO 9001 certification plays a key role in this process, as it guarantees quality management practices throughout the production cycle.

With the rapid development of China’s industrial sector, the need for efficient energy solutions continues to rise. The implementation of advanced transformers helps optimize energy use, reducing waste and improving overall efficiency. As the market evolves, the demand for reliable 25000 kVA transformers is expected to grow significantly.

TypeRated capacity (KVA)Voltage combination(KV)No-load losses(W)Load losses(W)No-load Current (%)Short-circuit impedance (%)
SH15-M-30306,6.3,10,10.5,11/0.4336301.504.0
SH15-M-50506,6.3,10,10.5,11/0.4439101.204.0
SH15-M-63636,6.3,10,10.5,11/0.45010901.104.0
SH15-M-80806,6.3,10,10.5,11/0.46013101.004.0
SH15-M-1001006,6.3,10,10.5,11/0.47515800.904.0
SH15-M-1251256,6.3,10,10.5,11/0.48518900.804.0
SH15-M-1601606,6.3,10,10.5,11/0.410023100.604.0
SH15-M-2002006,6.3,10,10.5,11/0.412027300.604.0
SH15-M-2502506,6.3,10,10.5,11/0.414032000.604.0
SH15-M-3153156,6.3,10,10.5,11/0.417038300.504.0
SH15-M-4004006,6.3,10,10.5,11/0.420045200.504.0
SH15-M-5005006,6.3,10,10.5,11/0.424051400.504.0
SH15-M-6306306,6.3,10,10.5,11/0.432062000.304.5
SH15-M-8008006,6.3,10,10.5,11/0.438075000.304.5
SH15-M-100010006,6.3,10,10.5,11/0.4450103000.304.5
SH15-M-125012506,6.3,10,10.5,11/0.4530120000.204.5
SH15-M-160016006,6.3,10,10.5,11/0.4630145000.204.5
SH15-M-200020006,6.3,10,10.5,11/0.4750183000.205.0
SH15-M-250025006,6.3,10,10.5,11/0.4900212000.205.0

ISO 9001 Certification in Transformer Manufacturing

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Product NamePower transformer
Rating power420 MVA and below
Voltage level220 kV, 141 kV, 130 kV 110 kV and etc. are optional
Phase3
Cooling TypeONAF
Voltage regulating TypeOLTC and DLTC are optional
EcodesignEU-Tier 2 standard or Chinese GB standard
CustomizationAvailable
NoteHigh quality and competive price is our advantage

ISO 9001 is an internationally recognized standard for quality management systems. Companies involved in the manufacturing of transformers, including those producing step down transformers and 25000 kVA units, strive to achieve this certification to enhance their operations. This standard ensures that organizations consistently provide products that meet customer and regulatory requirements.

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For manufacturers in China, obtaining ISO 9001 certification is a strategic move that demonstrates commitment to quality. It enhances the company’s credibility and allows them to compete effectively in the global market. Customers often prefer suppliers with this certification, as it indicates a systematic approach to quality assurance and continuous improvement.

Additionally, achieving ISO 9001 certification often leads to improved operational efficiency and employee engagement. By adhering to standardized processes, companies can reduce errors and increase productivity, ultimately leading to better customer satisfaction. This focus on quality is essential for maintaining a strong reputation in the competitive transformer industry.