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薄绝缘浇注酒泉变压器的结构
作者:酒泉变压器厂 日期:2018-07-24 人气:621
薄绝缘浇注酒泉变压器的结构
SC型
SC型、SC8型酒泉变压器属于玻璃纤维加强的薄绝缘浇注酒泉变压器。如特种酒泉变压器厂、南通酒泉变压器厂就生产SC8型酒泉变压器(江苏仪征和上海酒泉变压器厂生产SC型),它的制造和结构有如下要特点:
(1)用计算机来控制制造工艺,应用计算机来控制关键工序。如树脂的处理、配料、真空度、温度及压力等工艺参数的控制,树脂固化过程温度时间的控制,绕线过程的控制等。
(2〕铁心设计采用叠片新工艺结构,采用晶粒取向性冷轧硅钢片的整体片V形槽结构,消除了心柱接缝。剪切设备的叠片功能在工艺上实现了铁心的多级接缝结构。接缝的搭接结构由以往的在接头处采用每叠1-4片,每叠相互错开布置,改为每叠1-2片,各叠之间分5-7段呈阶梯状分开布置。这样磁通在接头处过=渡非常顺利。空载损耗比原结构降低10%,嗓声也相应降低。
(3)采用先进的成套浇注设备,引进瑞士麦克菲勒公司新一代的浇注设备,采用计算机控制,而且任何一个工艺参数不符合要求,都会声光报警。修正后才可进行下一步操作.生产过程严格按工艺要求进行。
在设备的配置方面,要由树脂、固化剂、增韧剂和加速剂三个真空薄膜脱气预处理灌,三个循环脱气齿轮送料泵,三组份的齿轮计量泵、静态混料器、混合料缓冲灌、真空浇注罐和计算机控制系统组成。真空系统由两组真空泵组成。一组旋片泵负责树脂三组份的真空脱气,另一组两级真空泵由叶片泵和罗茨泵组成,负责浇注罐浇注时抽真空和绕组在浇注前的真空干澡。浇注罐真空度最离可达2Pa ,满足绕组浇注前的真空干澡和真空浇注。
并采用了静态混料系统,就是使用静态连续混料器,在三组份连续通过时,即可混合均匀。其特点是保证浇进绕组的树脂是刚混合好粘度低的新鲜树脂,保证绕组的匝间和层间充分渗透。
(4)绕组浇注后树脂的固化用徽机控制,绕组浇注后树脂的固化速度过快容易产生缩孔缺陷,而且由于内应力产生开裂,树脂的吸度会减弱,影响产品的质量。
树脂固化的因素要是温度,在实际生产过程中.有时树脂的温度和烘箱的温度要相差10℃左右。给控制固化温度带来一定的困难。生产过程利用徽机控制固化炉的温度,严格调整影响温度的各个参量,按照固化曲线控制固化温度,使绕组完全固化,又不产生任何缺陷,确保了绕组的质量。
(5)产品工艺的优点酒泉变压器的铁心采用叠片处装完以后,使用特殊树脂粘结铁心树脂渗入片间20-30mm,使整个铁心被粘接成一个整体。再用特殊的防潮防腐树脂处理,整个工艺过程不会影响铁心的散热,又对产生良好的固封作用.
由于绝缘层薄,可燃烧性物质的含量特别低,玻璃纤维加树脂这种复合材料的燃点高,因此具有自熄性。
Pouring a thin insulating transformer structure
SC-type
SC-type, SC8-type transformer is a thin glass fiber reinforced cast transformer insulation. Such as the Special Transformer Factory, Nantong transformer factory to produce SC8 transformer (transformer factory in Jiangsu and Shanghai production Yizheng SC-type), its manufacturing and structure has the following main characteristics:
(1) use a computer to control the manufacturing process, the application of computers to control critical processes. Such as resin processing, ingredients, vacuum, temperature and pressure control of process parameters, the resin curing temperature and time control, process control winding.
(2] core design uses a new process step laminated structure, the use of cold rolled grain oriented silicon steel sheet V-shaped groove of the overall structure of the heart to eliminate the column joints. Lamination shear device functions in the process step to achieve a core of multi-level joint structure the structure from the previous lap joints in stacked 1-4 joints using each piece, each staggered arrangement of stacked, stacked into 1-2 pieces each, divided between the stacked 5-7 separate ladder-like arrangement, so that the magnetic flux in the joints too = transition very smooth. no-load loss of 10% lower than the original structure, voice sound is reduced accordingly.
(3) complete sets of advanced casting equipment, the company introduced a new generation of Swiss McPhee Le pouring equipment, computer control, and any process parameters do not meet the requirements, an alarm will sound and light. Corrected before the next step. The production process in strict accordance with technical requirements.
In the device configuration, mainly by the resin, curing agent, plasticizer and film accelerator vacuum degassing three pre-filling, three degassing cycles feed gear pump, three copies of the gear metering pumps, static mixing device , filling the buffer mixture, vacuum casting tank and computer control system. Vacuum pump system consists of two components. A rotary vane pump is responsible for three-component resin, vacuum degassing, and the other two by the vane pump and Roots vacuum pump, is responsible for pouring tank when vacuum casting and winding in the vacuum dry bath before pouring. Most from the vacuum casting tank up 2Pa, to meet the winding dry bath before pouring vacuum and vacuum casting.
And using the static mixing system, is to use static continuous mixing device, in the three groups were to pass through, they can mix. Its characteristics is to ensure that the resin is poured into the windings just a good mix of fresh resin with low viscosity to ensure winding inter-turn and layer to fully penetrate.
(4) curing the resin after winding casting machine with the emblem of control, winding after casting resin curing too fast prone to shrinkage defects, and because the internal stress cracking, resin degree of absorption will be reduced, affecting the quality of the product.
Resin curing temperature is the main factor in the actual production process, sometimes the temperature of the resin and the oven temperature to a difference of about 10 ℃. To control the curing temperature caused some difficulties. Control the production process using emblem curing oven temperature, strict adjustment of the various parameters affecting the temperature, according to the curing temperature curing curve control, so that the winding is fully cured, without any defects, to ensure the quality of the winding.
(5) the advantages of production processes using step laminated iron core transformer at Zhuangwan later, using a special resin into the resin film adhesive between the core 20-30mm, so that the whole core is bonded as a whole. Then special moisture corrosion resin processing, the whole process will not affect the core of the heat, but also on the core role to produce good solid seal.
As the insulating thin, combustible substances particularly low content of glass fiber plus resin composite materials light of this high, it has a self-extinguishing.
SC型
SC型、SC8型酒泉变压器属于玻璃纤维加强的薄绝缘浇注酒泉变压器。如特种酒泉变压器厂、南通酒泉变压器厂就生产SC8型酒泉变压器(江苏仪征和上海酒泉变压器厂生产SC型),它的制造和结构有如下要特点:
(1)用计算机来控制制造工艺,应用计算机来控制关键工序。如树脂的处理、配料、真空度、温度及压力等工艺参数的控制,树脂固化过程温度时间的控制,绕线过程的控制等。
(2〕铁心设计采用叠片新工艺结构,采用晶粒取向性冷轧硅钢片的整体片V形槽结构,消除了心柱接缝。剪切设备的叠片功能在工艺上实现了铁心的多级接缝结构。接缝的搭接结构由以往的在接头处采用每叠1-4片,每叠相互错开布置,改为每叠1-2片,各叠之间分5-7段呈阶梯状分开布置。这样磁通在接头处过=渡非常顺利。空载损耗比原结构降低10%,嗓声也相应降低。
(3)采用先进的成套浇注设备,引进瑞士麦克菲勒公司新一代的浇注设备,采用计算机控制,而且任何一个工艺参数不符合要求,都会声光报警。修正后才可进行下一步操作.生产过程严格按工艺要求进行。
在设备的配置方面,要由树脂、固化剂、增韧剂和加速剂三个真空薄膜脱气预处理灌,三个循环脱气齿轮送料泵,三组份的齿轮计量泵、静态混料器、混合料缓冲灌、真空浇注罐和计算机控制系统组成。真空系统由两组真空泵组成。一组旋片泵负责树脂三组份的真空脱气,另一组两级真空泵由叶片泵和罗茨泵组成,负责浇注罐浇注时抽真空和绕组在浇注前的真空干澡。浇注罐真空度最离可达2Pa ,满足绕组浇注前的真空干澡和真空浇注。
并采用了静态混料系统,就是使用静态连续混料器,在三组份连续通过时,即可混合均匀。其特点是保证浇进绕组的树脂是刚混合好粘度低的新鲜树脂,保证绕组的匝间和层间充分渗透。
(4)绕组浇注后树脂的固化用徽机控制,绕组浇注后树脂的固化速度过快容易产生缩孔缺陷,而且由于内应力产生开裂,树脂的吸度会减弱,影响产品的质量。
树脂固化的因素要是温度,在实际生产过程中.有时树脂的温度和烘箱的温度要相差10℃左右。给控制固化温度带来一定的困难。生产过程利用徽机控制固化炉的温度,严格调整影响温度的各个参量,按照固化曲线控制固化温度,使绕组完全固化,又不产生任何缺陷,确保了绕组的质量。
(5)产品工艺的优点酒泉变压器的铁心采用叠片处装完以后,使用特殊树脂粘结铁心树脂渗入片间20-30mm,使整个铁心被粘接成一个整体。再用特殊的防潮防腐树脂处理,整个工艺过程不会影响铁心的散热,又对产生良好的固封作用.
由于绝缘层薄,可燃烧性物质的含量特别低,玻璃纤维加树脂这种复合材料的燃点高,因此具有自熄性。
Pouring a thin insulating transformer structure
SC-type
SC-type, SC8-type transformer is a thin glass fiber reinforced cast transformer insulation. Such as the Special Transformer Factory, Nantong transformer factory to produce SC8 transformer (transformer factory in Jiangsu and Shanghai production Yizheng SC-type), its manufacturing and structure has the following main characteristics:
(1) use a computer to control the manufacturing process, the application of computers to control critical processes. Such as resin processing, ingredients, vacuum, temperature and pressure control of process parameters, the resin curing temperature and time control, process control winding.
(2] core design uses a new process step laminated structure, the use of cold rolled grain oriented silicon steel sheet V-shaped groove of the overall structure of the heart to eliminate the column joints. Lamination shear device functions in the process step to achieve a core of multi-level joint structure the structure from the previous lap joints in stacked 1-4 joints using each piece, each staggered arrangement of stacked, stacked into 1-2 pieces each, divided between the stacked 5-7 separate ladder-like arrangement, so that the magnetic flux in the joints too = transition very smooth. no-load loss of 10% lower than the original structure, voice sound is reduced accordingly.
(3) complete sets of advanced casting equipment, the company introduced a new generation of Swiss McPhee Le pouring equipment, computer control, and any process parameters do not meet the requirements, an alarm will sound and light. Corrected before the next step. The production process in strict accordance with technical requirements.
In the device configuration, mainly by the resin, curing agent, plasticizer and film accelerator vacuum degassing three pre-filling, three degassing cycles feed gear pump, three copies of the gear metering pumps, static mixing device , filling the buffer mixture, vacuum casting tank and computer control system. Vacuum pump system consists of two components. A rotary vane pump is responsible for three-component resin, vacuum degassing, and the other two by the vane pump and Roots vacuum pump, is responsible for pouring tank when vacuum casting and winding in the vacuum dry bath before pouring. Most from the vacuum casting tank up 2Pa, to meet the winding dry bath before pouring vacuum and vacuum casting.
And using the static mixing system, is to use static continuous mixing device, in the three groups were to pass through, they can mix. Its characteristics is to ensure that the resin is poured into the windings just a good mix of fresh resin with low viscosity to ensure winding inter-turn and layer to fully penetrate.
(4) curing the resin after winding casting machine with the emblem of control, winding after casting resin curing too fast prone to shrinkage defects, and because the internal stress cracking, resin degree of absorption will be reduced, affecting the quality of the product.
Resin curing temperature is the main factor in the actual production process, sometimes the temperature of the resin and the oven temperature to a difference of about 10 ℃. To control the curing temperature caused some difficulties. Control the production process using emblem curing oven temperature, strict adjustment of the various parameters affecting the temperature, according to the curing temperature curing curve control, so that the winding is fully cured, without any defects, to ensure the quality of the winding.
(5) the advantages of production processes using step laminated iron core transformer at Zhuangwan later, using a special resin into the resin film adhesive between the core 20-30mm, so that the whole core is bonded as a whole. Then special moisture corrosion resin processing, the whole process will not affect the core of the heat, but also on the core role to produce good solid seal.
As the insulating thin, combustible substances particularly low content of glass fiber plus resin composite materials light of this high, it has a self-extinguishing.
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