• With rapid development of electric power and electron technique, nonlinear equipments are applied in power drawing system widely, which will cause harmonic harm question inevitably.

    随着电力电子技术飞速发展非线性装置广泛应用电力牵引系统不可避免地引发了谐波危害问题

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  • In the course of laser-arc hybrid welding, the high frequency caused by drawing arc interfered the control system which make the laser and electric arc not able to realize the hybrid welding.

    激光-电弧复合焊接过程中,由于产生高频干扰了激光器的控制系统造成激光电弧不能实现复合焊接。

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  • The saving energy control system is proposed for problem of oil drawing machine electric driver which efficiency and power factor is low.

    针对抽油机驱动装置效率功率因数低、耗能严重问题,研制了一台新型的抽油机节能控制系统

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  • The CD-HSS box drawing experimental device included four parts of die structure, lever mechanism, hydraulic and electric control system were designed based on the CD movement principle.

    基于可控拉筋运动原理设计可控拉深筋高强度钢板盒形拉深实验装置,该实验装置分为模具结构杠杆机构液压电气控制系统部分。

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  • After drawing into competitive system and establishing electric power market, power system loss analysis and calculation has been paid much attention to all through.

    引入竞争机制建立电力市场之后,电力系统网损分析计算成为倍受关注焦点

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  • After drawing into competitive system and establishing electric power market, power system loss analysis and calculation has been paid much attention to all through.

    引入竞争机制建立电力市场之后,电力系统网损分析计算成为倍受关注焦点

    youdao

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