500kva 11kv to 0.415kv 3 Phase Step Down Power Transformer

Wenzhou Xifa Electric Power Equipment Co., Ltd. is a professional company manufacturing 500kva 11kv to 0.415kv 3 phase step down power transformer. The factory is equipped with professional production facilities and strictly controls the quality of its products. Every stage from raw material processing to the final product is strictly monitored. Only the materials that have passed the inspection will proceed to the next process. We will also assist you in finding a reliable freight forwarding company, and track the logistics situation throughout the process to ensure that the transformers can arrive safely to the customers.

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Product Description

The 500kva 11kv to 0.415kv 3 phase step down power transformer is a 500 kv three phase step down transformer. The primary side voltage is 11 kv and the secondary side voltage is 0.415 kv . The transformer is equipped with an open circuit tap changer. The tap range on the primary side is ±2*2.5%, and the connection group is Dyn11.

Our 500kva 11kv to 0.415kv 3 phase step down power transformer is designed with advanced technology and uses high quality materials and components, ensuring its reliable quality and long service life, suitable for various scenarios.

Firstly, its compact structure and lightweight make it suitable for installation in various environments. Secondly, using high quality materials can resist harsh environments, such as humid and salt spray environments. Moreover, due to its low noise level, 500kva 11kv to 0.415kv 3 phase step down power transformer is very suitable for use in residential and commercial areas.

500kva 11kv To 0 415kv 3 Phase Step Down Power Transformer

Technical parameter:

Product Name	500kva 11kv to 0.415kv 3 phase step down power transformer
Phase Number	3p
frequency	50Hz
High Voltage Rated	11kV
Low Voltage Rated	0.415kV
Vector Group	Dyn11
Short Circuit Impedance	4.5%
Tap Changer	Off circuit Tap ±2×2.5%
Winding Material	Copper or Aluminum
Cooling Method	ONAN

Q:What professional capabilities and application advantages does 500kva 11kv to 0.415kv 3 phase step down power transformer possess?

A:The entire machine adopts the industry-standard Dyn11 connection group, which can effectively suppress harmonic interference in the power system, balance the three phase output voltage, and significantly enhance the equipment's adaptability to three phase unbalanced loads.

500kva 11kv to 0.415kv 3 phase step down power transformer is equipped with a standard 4.5% short-circuit impedance and can effectively limit the impact current during grid short circuit faults, providing comprehensive protection for the internal windings and core structure from damage.

The 500kva 11kv to 0.415kv 3 phase step down power transformer is equipped with an excitation free tap changer, featuring±2×2.5% five level voltage regulation capabilities. The step adjustment can be completed without power interruption, and it can flexibly adapt to regional grid voltage fluctuations, ensuring that the low voltage side supply voltage remains within the qualified range at all times.

The cooling method adopts the mature and reliable ONAN method, relying on the natural circulation of insulating oil and air convection for heat dissipation, which can meet the requirements for long term uninterrupted stable operation.

The core is made of high magnetic conductivity cold rolled oriented silicon steel sheets, and the windings are made of high purity oxygen free copper material. This significantly reduces no load and load losses at the hardware level, resulting in lower operating energy consumption and better temperature rise control.

The low voltage side is designed with an output voltage of 0.415kV, leaving sufficient line voltage drop margin, ensuring that the terminal electrical equipment can stably obtain the standard 400V working voltage.

The 500kva 11kv to 0.415kv 3 phase step down power transformer adopts a fully sealed anti corrosion oil tank structure, with outstanding dust proof, waterproof, and leak proof performance, capable of meeting the needs of various indoor and outdoor installation environments. The equipment has low operating noise and stable insulation performance, and can achieve a design service life of up to 30 years under standardized operation and reasonable load conditions.