VFC Variable Frequency Control 可变频率控制 Variable Frequency Control Technology 变频控制技术 variable frequency speed control system 变频调速系统 ..
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The decoupled control of active power and reactive power is a key technology of variable speed constant frequency (VSCF) wind energy generation system.
双馈发电机的有功和无功功率的解耦控制是变速恒频（VSCF）风力发电系统的关键技术。
This product USES the variable volume control technology, which can adjust according to indoor load demand active output, often regulation frequency energy efficiency than the ascension above 25%;
该产品采用变容量控制技术，可根据室内负荷需求主动调节输出，比常规定频机组能效提升25%以上；
The technique include the variable frequency technology, the direct self-control technology, the EMI, etc.
论文还就直接转矩控制技术，变频技术产生的电磁污染的控制问题进行了讨论。
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