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Transformator

110kV oil immersed transformer



Kategorie:Oil immersed transformer

Details


Product category: product center oil immersed transformer


Product Description: low consumption, energy saving, large capacity


Safety, energy saving and low loss;


Long service life;


High temperature resistance.


product details 


Structural features:


Nomex insulation + transformer insulation oil


1. High temperature resistant and safer


When the ambient temperature is 40 ℃, it can operate continuously under 100% load for a long time


At the same temperature, the continuous load rate is 20% higher than that of oil immersed transformer


Ambient temperature (℃) - 10 0 10 20 30 40


S9(K24) 1.25 1.17 1.09 1 0.91 0.81 


SRN(K24) 1.37 1.3 1.25 1.18 1.1 1 


2. Low loss and energy saving


It saves 20% energy than ordinary oil immersed transformer.


3. Maintenance free and more environmentally friendly


The seal has the same service life as the transformer


It saves 20% energy than ordinary oil immersed transformer.


Process features:


insulation


High temperature resistant mixed insulation winding.


coil


The small and medium capacity of high-voltage coil is tangled one by one continuous type, and the large capacity is easy to be inner screen one by one continuous type, so as to improve the longitudinal capacitance distribution of coil under impulse voltage; The coils are of guide oil circulation structure to reduce the winding temperature rise, and the product design life is 30 years.


Full automatic lamination


The robot is fully automatic lamination and adopts a fully inclined 45 degree 7-step seam structure.


Iron core


Cold rolled silicon steel sheet with high conductivity and magnetovolt orientation will be adopted, with no hole binding, frame structure and D-shaped iron yoke structure. The coil will replace a large-area platform and step joints. The automatic cutting lamination robot imported from Switzerland ensures that the burr of the iron core is less than 20 µ M. The multi-stage joint of iron core reduces the no-load loss, no-load current and noise level.


tank


There are two kinds of minute cover structure and barrel structure. All seals shall be provided with end limit seals; The metal parts inside and outside the box are rounded and roughened, and the welds and seals have been tested for leakage for three times (fluorescence, positive pressure and negative pressure leakage test); The paint shall be made according to the anti rust requirements of household appliances.


Performance characteristics:


Low loss


The no-load loss is 15% - 20% lower than the national standard gb64511-2008, and the load loss is 5% lower than the national standard gb6451-2008;


Low noise


The self cooling noise level will reach below 60dB, nearly 20dB lower than the national standard. Users have special requirements and can also specially design and manufacture lower noise level;


Low partial discharge


The company is a 110kV production task and specially introduces the modern enterprise management mode. The whole process of 110kV products will be dust-free operation, all metal parts and insulating parts inside the body will be rounded, and the local discharge volume will be controlled below 100pc


Strong short circuit resistance


The 110kV transformer has passed the certification to ensure that none of the products is damaged due to sudden short circuit and has strong reliability:


Beautiful appearance


Full polishing and derusting, powder electric spraying paint can achieve the spraying effect of household appliances, wide piece radiator, never leg color.


No leakage


All seals are made of acrylate material and adopt one-time molding technology. There is no interface, and we solemnly promise not to leak.


Service conditions:


It is conducive to peak summer and is suitable for distribution networks with high load rate under high temperature and places with impact load and continuous overload requirements. Such as: Iron and steel, metallurgical industry, railway transportation, power plant, hydropower station, etc.