Short Description:
Transformers can convert the voltage of the power grid into the voltage required by the system or load, achieving the transmission and distribution of electrical energy. This transformer can replace transformers with silicon steel sheet iron cores and is widely used in outdoor power distribution systems.
1 Overview
1.1 Product Description
Transformers can convert the voltage of the power grid into the voltage required by the system or load, achieving the transmission and distribution of electrical energy. This transformer can replace transformers with silicon steel sheet iron cores and is widely used in outdoor power distribution systems.
The large-scale operation of this product can achieve good energy-saving effects and reduce air pollution. This product is particularly suitable for areas with insufficient electricity, large load fluctuations, and difficulty in daily maintenance. Due to the fully sealed structure of the transformer, the insulation oil and insulation medium are not affected by atmospheric pollution, so it can operate in humid environments and is a distribution equipment in urban and rural distribution networks.
1.2 Structural Features
The transformer core is made of amorphous alloy strip, which reduces the no-load loss by about 65% compared to S11 type transformers. Copper foil coils are used for low voltage to enhance the transformer's ability to withstand short circuits; The connection group adopts Dyn11 to reduce the impact of harmonics on the power grid and improve the quality of power supply; The fully sealed structure of the fuel tank and tank cover welded together extends the service life and is maintenance free; The transformer adopts vacuum oil injection, which can eliminate bubbles in the coil and ensure stable insulation performance.
1.3 Normal usage conditions
◇ Altitude: not exceeding 1000m;
◇ Environmental temperature: upper limit temperature+40 ℃; Monthly average temperature+30 ℃; Annual average temperature+20 ℃; The outdoor minimum temperature is -25 ℃.
The waveform of the power supply voltage is similar to a sine wave. For a three-phase transformer, the three-phase power supply voltage should be roughly symmetrical
Installation environment:
The installation environment has no obvious pollution movement;
Ground acceleration caused by earthquakes: horizontal direction less than 3m/s2, vertical direction less than 1.5m/s2.
1.4 Usage conditions
Any usage conditions beyond the normal use conditions of the transformer should be specified during the inquiry and ordering process.
1.5 Execution Standards
GB/T1094.1 GB/T1094.2 GB/T1094.3 GB/T1094.5 GB/T 25446 GB/T 7595 JB/T 3837
The transformer products produced by our company meet the new version of the above standards.
1.6 Ordering Instructions
When placing an order, the product model, rated capacity, high and low voltage ratings, high voltage division range, number of phases, frequency, and connection group number should be provided.