| 非晶合金变压器铁芯在设计时应采用铁芯悬挂式结构 |
| 添加时间：2019/10/28 14:34:29 浏览次数： |
| 由于非晶合金变压器铁芯空载损耗大小与运行 时铁芯受压力成正比，故在设计时应采用铁芯悬挂 式结构，即将铁芯悬挂在线圈上，以避免铁芯成为 主承力部件，减少铁芯受力，降低变压器空载损 耗，悬挂式大大降低了空载损耗和空载电流。在铁 芯悬挂在线圈上时，应采用倒挂式，即将断口朝 下。断口朝下可有效避免断口裂开，防止由于长期 运行造成空载损耗增加。因非晶合金带材脆性较 大，断口处更易掉落碎片，断口朝下可使断口处的 碎片直接掉落至变压器底部，降低其掉入线圈及变 压器油中的概率，保证变压器安全稳定运行。 Because the no-load loss of amorphous alloy transformer core is directly proportional to the core pressure during operation, the core suspension structure should be adopted in the design, that is, the core is suspended on the coil to avoid the core becoming the main bearing part, reduce the core stress, reduce the no-load loss of transformer, and the suspension type greatly reduces the no-load loss and no-load current. When the iron core is hung on the coil, it should be inverted, that is, the fracture face down. The fracture face down can effectively avoid fracture crack and increase no-load loss due to long-term operation. Because of the high brittleness of amorphous alloy strip, it is easy to drop debris at the fracture. The debris at the fracture can fall directly to the bottom of transformer with the fracture facing down, reducing the probability of falling into the coil and transformer oil, and ensuring the safe and stable operation of transformer. |
| 上一页 变压器正常运行时，是不允许铁芯多点接地的 |
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