Description
Rectifier transformer is use for rectification device power transformer, most of the industrial use of de power supply is ac power grid through the rectifier transformer and rectifier composed rectifier devices, it is widely used in electrochemical electrolysis, traction, drive, direct-current transmission, frequency conversion and general industry use eliminator supply ect territory.Can be designed and manufactured according to the needs of users of various secondary winding phase 7.5°,15°,30°,for 6 phase, 12 phase,24 phase, 48 phase rectifier with various structure form of the product.
Features:
1. Stable electrical performance: The product determines a reasonable and reliable insulation level and insulation model based on the load characteristics, grid voltage fluctuations, and atmospheric overvoltage conditions of the rectifier transformer, fully ensuring the reliability and stability of the product's electrical performance. The environmental safety factor of the product is ≥ 1.67.
2. High degree of dynamic stability: The product winding has high mechanical strength and strong anti burst ability to meet extremely harsh load environments. During the design and manufacturing process, the dynamic instability sources caused by transformer leakage or abnormal transportation have been effectively eliminated. The product has high dynamic stability. High impedance, 30% higher than the impedance of power transformers of the same capacity, to suppress di/dt and effectively protect rectifier components.
3. Good thermal stability: Advanced product design strictly controls the heating part and hottest point temperature rise of the product, and leaves sufficient temperature rise margin. If necessary, axial oil ducts can be added to the coil, and cooling methods can be selected based on the coil load loss value and oil flow rate can be reasonably distributed to achieve the best cooling effect. The main temperature rise indicators are at least 5 ℃ lower than the national standard. The coil and lead wire are made of copper wire, with a lower current density selected.
4. Strong overload capacity: The product has strong overload and overvoltage capabilities, and can operate safely for a long time under rated load conditions, and can operate safely at full load for a long time under 110% overvoltage conditions (ambient temperature of 40 ℃); The terminals connected to the transformer and motor can withstand 1.5 times the rated current for 5 seconds. Product design and manufacturing fully consider load characteristics, and meet overload requirements from various aspects such as temperature rise, insulation performance, and accessory selection.
5. Superior performance indicators: Based on the design and manufacturing values of no-load current lower than the national standard values of S9 series transformers of the same capacity, it fully demonstrates the economy and reliability of user use.
6. Significant energy-saving effect and low noise (<65dB).
7. Simplified structure and beautiful appearance; The oil tank adopts an anti leakage design process, which can prevent oil tank leakage.
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