Power Transformer (MBA) have several key technical parameters that affect performance and operational efficiency. Here are the main ones:

1. Rated Capacity

• Measured in kVA or MVA, indicating the power transmission capability of the substation.

• Common capacities: Min 500 kVA, 1000 kVA, 2500 kVA, 5000 kVA.

2. Rated Voltage

• Input and output voltage levels of the substation, including:

• Low-voltage transformer substation: 22/0.4 kV

• Medium-voltage transformer substation: 35/22 kV

• High-voltage transformer substation: 110/35 kV, 220/110 kV

3. Rated Current

• Calculated based on power and voltage, influencing the system's load capacity.

4. Winding Connection Configuration

• Specifies the connection method of transformer windings, with common types including Dyn11, Yyn0, Yd11.

5. Efficiency and Losses

• Efficiency typically ranges from 95% - 99%, depending on the manufacturing technology.

• No-load losses and short-circuit losses impact the system's energy consumption.

6. Power Factor (cosφ)

• Indicates the effective utilization of electrical power, usually ranging from 0.8 - 0.95.

7. Short-Circuit Withstand Capability

• Measured in kA, showing the ability to endure high currents during faults.

  Some of the world's most renowned transformer substation manufacturers include:

• DAQO Group is a company specializing in electrical equipment manufacturing, including Power Transformer  (MBA) and energy solutions. The company operates multiple production facilities in China, focusing on products such as transformers, switchgear, and high-voltage power systems.

  - Additionally, DAQO New Energy, a subsidiary of the group, invests heavily in the production of silicon materials for the renewable energy sector. One of its major projects is a polysilicon manufacturing plant in Xinjiang, China, with a total investment of $2 billion.