最后给出了三相牵引变压器的过载能力曲线组，供设计、运行单位使用。
A group of overload capability curve of three-phase electric traction transformer is given for use by design and operation units.
为避开三相交流异步电动机和变频器的数学模型，利用飞升曲线法简单近似确定各环节的数学模型。
For avoiding the math models of three-phase AC electromotor and frequency inverter, adopt the simple similarity of ascending curve method to ensure the math models of every loop.
整个三相铁芯由三条曲线硅钢带料卷制而成，中间无气隙及接缝，油箱采用低损耗、低激磁电流、低噪声等特点。
Whole three-phase core is made of three curved silicon steel belt material through rolling, without clearance and seam. The tank has features of low loss, low exciting current, low noise and others.
说明：特性曲线是在冷态，三相负载下测得。
Note: The characteristic curves are obtained in the cold state and 3-pole loading.
对干式空心电抗器三相运行时的磁场分布进行了计算，并给出了几种情况下磁场分布的规律曲线。
The magnetic field distribution of three-phase dry-type reactor with air-core is calculated. Regular curves of magnetic-field distribution in some conditions are also presented in this paper.
特性曲线Characteristic curve特性曲线是在冷态，三相负载下测得。
The characteristic curves are obtained in the cold state and 3-pole loading.
特性曲线Characteristic curve特性曲线是在冷态，三相负载下测得。
The characteristic curves are obtained in the cold state and 3-pole loading.
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