CN104730317B - 一种用于高性能矢量变频器的输出电压和频率检测电路 - Google Patents
一种用于高性能矢量变频器的输出电压和频率检测电路 Download PDFInfo
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CN109669070A (zh) * | 2019-01-02 | 2019-04-23 | 中电和瑞科技有限公司 | 一种频率测量方法与频率测量电路 |
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CN106093564B (zh) * | 2016-07-27 | 2019-04-02 | 深圳市康必达控制技术有限公司 | 一种基于云服务的智能电能表 |
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CN107086832A (zh) * | 2017-06-07 | 2017-08-22 | 深圳市新科瑞电气技术有限公司 | 基于永磁同步电机的球磨机qm驱动控制***及启动方法 |
CN107247242A (zh) * | 2017-07-31 | 2017-10-13 | Tcl空调器(中山)有限公司 | 变频器故障检测方法及装置 |
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JPH0980090A (ja) * | 1995-09-14 | 1997-03-28 | Hitachi Ltd | 周波数検出装置 |
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CN109669070A (zh) * | 2019-01-02 | 2019-04-23 | 中电和瑞科技有限公司 | 一种频率测量方法与频率测量电路 |
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