The description of S13-1600 / 10-0.4 oil-immersed transformer
The main fault of S13-1600 / 10-0.4 oil-immersed transformer windings is interturn short circuit and short circuit to the shell. Interturn short-circuit is mainly caused by insulation aging, or due to transformer overload and mechanical damage to the insulation during traversing short-circuits. When the oil level in the S13-1600 / 10-0.4 oil-immersed transformer drops, inter-turn short circuits can also occur when the windings are exposed to the oil surface. In addition, when there is a cross-over short circuit, the windings are deformed due to the effect of overcurrent, and the insulation is mechanically damaged and inter-turn short circuits can occur. In the case of an interturn short circuit. The current in the short-circuit winding may exceed the rated value, but the entire winding current may not exceed the rated value. In this case, the gas protection is activated. When the situation is severe, the differential protection device is activated. The short circuit to the shell is also caused by aging of the insulation or oil dampness, oil level drop, or lightning and operating overvoltage. In addition, when a short-circuit occurs, the winding of S13-1600 / 10-0.4 oil-immersed transformer will be deformed due to overcurrent and a short-circuit to the case will also occur. When the case is short-circuited, it is generally the gas protection device action and the ground protection action.
The materials of S13-1600 / 10-0.4 oil-immersed transformer
Oxygen-free copper wire with lower resistivity and additional surface treatment are used to make it smoother and free of burr sharp corners, so that the load loss of the transformer is lower and the electrical performance is more reliable.
The use of high-quality silicon steel sheet with the improvement of the performance level. The use of silicon steel sheet with lower unit loss, so that the transformer no-load loss is lower.
The use of high-quality laminated wood insulation parts will never crack which enhances the mechanical strength and dynamic and thermal stability of the body.
The S13-1600 / 10-0.4 oil-immersed transformer oil that has been deeply filtered is used to lower the level of water, gas and impurities which increases the insulation performance of the transformer.
The use of high-quality rubber sealing materials effectively prevents aging and prevents leakage.
The raw materials of S13-1600 / 10-0.4 oil-immersed transformer used have undergone quality inspection. All raw material manufacturers have been strictly inspected in accordance with IS09001.
The features of S13-1600 / 10-0.4 oil-immersed transformer
S13-1600 / 10-0.4 oil-immersed transformer fuel tank adopts a fully sealed structure. Compared with ordinary oil-immersed transformers, the fully sealed power distribution transformer eliminates the oil storage tank. Manufactured from high-quality cold-rolled sheet on a dedicated production line, corrugated fins can support the expansion and contraction of the transformer volume, thereby isolating the transformer from the atmosphere, preventing and slowing oil degradation and damp insulation, enhancing operational reliability and maintenance-free normal operation .