TRONKI Electric is a manufacturer of transformers with extensive experience in the industry and state-of-the-art technology. We will strive to provide good-quality transformers to meet the diversified demands of industries in various applications.
Whether you need power transformers to provide stable power supply for large industrial facilities or small electronic transformers for precision electronic equipment, TRONKI Electric can provide you with high-quality products. Our products cover many types, including dry-type transformers, oil-immersed transformers, isolation transformers, autotransformers, etc., with many advantages such as high efficiency, energy saving, safety and reliability, and stable performance.
Product Features:
Advanced Insulation Structure: Effectively prevents leakage and short circuits, ensuring the safety of internal windings, cores, and the casing.
Fully Sealed Casing: This provides excellent protection against water, moisture, and dust, thereby making the transformer very reliable in the most adverse conditions.
High Efficiency and Stability: Engineered for maximum performance under extreme industrial conditions.
Technical Parameters
Model | S20-M-630/33-0.415kV |
Power Capacity | 630kVA |
Primary voltage | 33kV |
Frequency | 50/60Hz |
Tapping Range | ±5 % ±2×2.5 % ±4×2.5 % |
Connection Group | Dyn11, Yyn0 |
Secondary Voltage | 380V, 400V, 415V, 433V, 440V |
Short-circuit Impedance | Standard Impedance |

630kV-33/0.415 kV Transformer Testing
الأسئلة الشائعة
Q: What transformers can you provide?
A: We can provide various types of oil-immersed transformers and dry-type transformers.
Q: Can you provide samples and drawings?
A: We will carefully design drawings and provide samples for each customer.
Q: Can you provide accessories for me to assemble by myself?
A: Our company can provide a full set of OEM/ODM services. We can provide cores, windings, insulation materials, oil tanks and cooling protection devices separately.