| 基于复合耦合技术的低压电力线载波通信接口电路设计 |
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| 引用本文： | 曾素琼.基于复合耦合技术的低压电力线载波通信接口电路设计[J].低压电器,2010(20):22-25,57. |
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| 作者姓名： | 曾素琼 |
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| 作者单位： | 嘉应学院,电子信息工程学院,广东,梅州,514015 |
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| 基金项目： | 梅州市科技局、嘉应学院联合自然科学项目资助(2010KJA09) |
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| 摘 要： | 采用＂电磁耦合＂与＂阻容耦合＂相结合的＂复合耦合技术＂,建立了接口电路模型。分析并设计了基于ST7538的低压电力线载波通信的接口电路,对接口电路进行仿真试验及结果分析。最后,对接口电路的主要性能：载波信号加载效率、幅频特性、通频带、隔离电力网220 V/50 Hz的工频信号能力进行分析。
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| 关 键 词： | 复合耦合技术 低压电力线 载波通信 接口电路 |
Interface Circuit Design of Low Voltage Power Line Carrier Communication Based on Compound Coupling Technique |
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| ZENG Suqiong.Interface Circuit Design of Low Voltage Power Line Carrier Communication Based on Compound Coupling Technique[J].Low Voltage Apparatus,2010(20):22-25,57. |
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| Authors: | ZENG Suqiong |
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| Affiliation: | ZENG Suqiong(School of Electronics and Information Technology,Jiaying University,Meizhou 514015,China) |
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| Abstract: | Adopting the＂compound coupling technique＂with＂EC coupling＂conjunct to＂RC coupling＂,the model of interface circuit was set up.Interface circuit for low voltage power line carrier communication based on ST7538 was designed and analyzed,and the simulation experiment and the result analysis was done for the Interface circuit.Finally,the interface circuit’s main performance： loading efficiency of carrier frequency signal,amplitude frequency characteristic,bandwidth,isolated capability to power line of 220 V/50 Hz industrial frequency singal were analyzed. |
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| Keywords: | compound coupling technology low voltage power line carrier communication interface circuit |
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