Transformer capable of being conveniently moved and fixed and achieving cooling function

Abstract

The invention discloses a transformer capable of being conveniently moved and fixed and achieving a cooling function. The transformer comprises a work box, wherein one side of the bottom of the innerwall of the work box is fixedly connected with a transformer through a transformer fixed installing frame; the bottom of the transformer communicates with a transformer oil storage tank through a first cooling pipe; one side, far away from the transformer, of the bottom of the inner wall of the work box is fixedly connected with a cooling machine case; one side of the bottom of the inner wall of the cooling machine case is fixedly connected with a circulation pump; the transformer oil storage tank communicates with the circulation pump through a liquid guide pipe; a transformer oil cooling baris fixedly connected in the middle position of the bottom of the inner wall of the cooling machine case. The transformer relates to the technical field of electric equipment. The transformer capableof being conveniently moved and fixed and achieving the cooling function solves the problem to achieve the stable cooling and temperature reduction on the transformer, the cable sorting and the rain shielding; the moving stability and the fixation of the integral equipment can be ensured; the work stability and the work efficiency of the transformer are ensured; the high-efficiency work is realized; the damage probability is reduced.

Description

technical field [0001] The invention relates to the technical field of electrical equipment, in particular to a transformer that is easy to move and fix and has a cooling function. Background technique [0002] The transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are the primary coil, the secondary coil and the iron core (magnetic core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. According to the use, it can be divided into: power transformers and special transformers (electric furnace transformers, rectifier transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers , reactors, transformers, etc.). Cir...

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Problems solved by technology

The cooling medium of oil-immersed transformers is transformer oil (or high-temperature-resistant oil), which has the advantage of high electrical strength, but when its temperature exceeds the ignition point and encounters an open flame, there is still a danger of burning. Therefore, oil-immersed transformers are not suitable for use. In special occasions with high fire protection requirements

Dry-type transformers can only be said to be non-combustible transformers, not non-combustible transformers. The maximum operating temperature is 185 degrees. When the temperature exceeds the critical value, a fire will occur in case of open flames. Moreover, dry-type transformers are expensive and cost more than ordinary oil-immersed transformers. Type transformers are 2.5 to 4 times higher, winding current density is low, and effective material utilization is quite insufficient. Gas-insulated transformers use sulfur hexafluoride gas as the insulation medium and cooling medium. Due to the density, insulation performance and transmission of sulfur hexafluoride gas The thermal performance is far inferior to that of transformer oil. In order to improve its insulation performance and heat transfer performance, the internal pressure of the transformer oil tank will usually reach 0.2-0.4MPa (low pressure gas-insulated transformer with rated voltage below 110kV), or 1.2-3.0MPa (rated Voltage 132kV~500kV high-pressure gas-insulated transformer), therefore, the transformer insulation and cooling problems become very prominent after gas leakage, and the transformer has to be withdrawn from operation as soon as possible. Therefore, the sulfur hexafluoride gas-insulated transformer is bulky, heavy, and expensive 4 to 8 times higher than ordinary oil-immersed transformers, the manufacturing process is complicated, the dust-proof requirements of the manufacturing environment are quite high, and the requirements for anti-leakage are also extremely strict

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