International Standard Wooden Case. One unit, one case for 20 kv 250 kva oil immersed transformer
25 days after confirming the drawing
Factory direct price 20 kv 250 kva oil immersed transformer
Introduction To Products
The performance of our S9/S10/S11 series 20kV and 35kV three-phase oil-immersed transformer conform to the standard of GB1094-1996"Power Transformer" and GB/T6451-2008"Technical Parameters and Requirements of Three-phase Oil-immersed Power Transformer". The iron core is made of quality cold-rolled silicon steel sheet, and the coil is made of quality oxygen-free copper, featuring good outlook and safe running. The products are widely used in power transmission and distribution of industrial and agricultural power networks.
Main Functions And Features
The core joints are of stepped shape with 3 steps, and the surface of the core is coated with cured paint to lower losses and noise.
The winding has novel structure and its oil passage is reasonable designed. Its newly designed insulation structure helps enhance its mechanical strength and the short circuit withstanding ability.
The oil tank is in various types, all have good outlook.
Main Technical Parameters for 20KV level ,S11-M series distribution transformer
Rated Power (kva)
High Voltage (kv)
Low Voltage (kv)
Short Circuit Impendence (%)
No load current (%)
All production and manufacture procedures are under strict control, and all process, tests, ex-work tests are computer-operated.
Packaging & Shipping
The standard procedure for making wooden case is as follows:
♦ Receipt of information required for the type of goods to be wood barrel customers.
♦ Measure and create original designs for customers.
♦ Select the type of wood suitable for the requirements of the goods.
♦ Determine the delivery time.
♦ Check the wood barrel technique.
♦ Handover confirmation of work efficiency.
♦ Train employees and explain how to use equipments clearly and efficiently.
♦ We offer the best solution and products to fulfill the buyers' requirements.
♦ We can arrange technicians to install the equipments and train your staff on site. ♦ Anytime, we provide considerate technical consultation. ♦ Prompt reply for your inquiry and feedback.
Customers & Projects
Our turnover in the past few months
Our other projects
Our products are sold all over the world, and we have large project experience in the United States, Europe, South America, Middle East, Southeast Asia, Africa and so on.
Beijing Daelim Green EP Tech Co., Ltd.
Beijing Daelim Green EP Tech Co., Ltd. is mainly engaged in the import & export of electric products and equipment. Our business team has more than 15 years' foreign business experience. We have established and extended business relationships with customers and partners in Southeast Asia, the Middle East, Europe, Africa, North America and South America.
In the four years of performance in ALIBABA, we have gained lots of honor, like "The Most Reliable Supplier" "Assessed Supplier" "One Million Hero", "Super Legion" and etc.
The main products and equipment we are dealing with: power transformer, current transformer, potential transformer, vacuum & SF6 circuit breaker, load break switch, disconnector, switchgear panel, power plant, transmission line equipment.
If you need more information about our products, feel free to contact us!!!