China S11-400kva Oil-immersed Transformer Supplier

Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of china s11-400kva oil-immersed transformer supplier in China. With abundant experience, we warmly welcome you to wholesale high quality china s11-400kva oil-immersed transformer supplier at low price from our factory. Contact us for more cheap products.

‌S11-400KVA oil-immersed transformers need to meet the following requirements during use and maintenance:

‌Installation requirements‌: Before installing the S11-400KVA oil-immersed transformer, it is necessary to ensure that the power circuit is temporarily shut down to provide a safe power-free environment for the operator.

‌Environmental requirements‌: The S11 series oil-immersed transformers are suitable for environments with temperatures ranging from -10℃ to +40℃, with daily average temperatures not exceeding 30℃, annual average temperatures not exceeding 20℃, daily temperature differences not exceeding 25K, altitudes not exceeding 1000m, wind speeds not exceeding 25m/s, and relative humidity not exceeding 90%. The installation site should avoid severe vibrations and ensure that the surrounding air is not significantly polluted by corrosive or flammable gases, water vapor, etc. ‌

‌Technical parameters‌: The technical parameters of the S11-400KVA oil-immersed distribution transformer include a rated capacity of 400KVA, a rated voltage of 10/0.4kV, a rated current of 23.09/577.4A, and a connection method of Dyn11. Other technical parameters such as no-load loss, load loss, no-load current, etc. are also specified in detail. ‌
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Maintenance requirements‌: After installation, power cannot be turned on immediately, and a backup power supply should be used for testing. Use a capacitance pen to test the input and output voltages to ensure that the performance is normal before powering on. A temperature controller can be installed on the transformer to monitor and control the winding temperature, with overheating alarm and power-off functions. The transformer is equipped with a low-noise amplitude flow fan and an intelligent interface to support remote control. ‌
‌Performance characteristics‌: The S11 series power distribution transformer adopts high-quality materials and new processes, and the no-load and load losses are significantly reduced, and the performance and structure are more reliable. The oil tank adopts a fully sealed structure to effectively prevent oxygen and moisture intrusion and extend the service life. The transformer is light in weight, with insulation grades of F and H, suitable for use in various environments.

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