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验证了非线性负载对中频电网的影响同时分析了旋转变频机组的滤波作用，为舰用中频电网的分析提供了有效的分析工具和试验参考。
The effect of nonlinear load and the filtering action of motor-generator is analyzed, and an effective analytic tools and test reference for ship medium frequency power system is supplied.
机组变频起动过程，实际上是电动机依靠定子和转子的电磁力矩作用的同步驱动过程。
The frequency changing start up process of generating unit actually is a synchronous driving process under the action of electromagnetic moment of the stator and rotor of motor.
利用变频调速技术节约电力，提高电网对机组的调峰能力，保证电网的安全稳定运行。
Apply frequency conversion technique to save energy, improve the shift peak load capacity of electric network for the units and ensure the safe and stability operation of network.
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