Low-voltage three-phase power utilization monitoring and pre-alarm system

The invention discloses a low-voltage three-phase power utilization monitoring and pre-alarm system, and the system comprises a three-phase multifunctional electric power meter which is disposed in a power distribution cabinet and is used for collecting electric power data; the upper computer is use...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG TAO, JIN YANXING, XU RUI, HE DA, LAN HUOGEN, YANG WEI, SHI BINGBING, LIU JINHUA, LIU MING, NIE CHENGQING, YIN GENSHUAN, LI BO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	The invention discloses a low-voltage three-phase power utilization monitoring and pre-alarm system, and the system comprises a three-phase multifunctional electric power meter which is disposed in a power distribution cabinet and is used for collecting electric power data; the upper computer is used for realizing centralized monitoring and pre-alarm of power data of the power distribution cabinet through a control program programmed by C #; the three-phase multifunctional electric power meter comprises an RS485 communication interface, transmission of electric power data is achieved through a wireless transparent transmission module, and the wireless transparent transmission module comprises an RS485-LORA transmitting module and an LORA-RS485 receiving module. The RS485 communication interface is used for transmitting electric power data to the RS485-LORA transmitting module, the RS485-LORA transmitting module is used for transmitting the electric power data to the LORA-RS485 receiving module through wireles