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So Easy! Solve Smart Meter Field Problems

The advantages of smart meter over traditional energy meters are obvious, and the wide application of smart meter has promoted the intelligent development of power grids. Promote the smooth operation of the power grid through the smart meter rate function and load control function to cut peaks and fill valleys. The load profile function of smart meter records the operation data of the power grid at all times, forms the power consumption profile at each time point, and provides a basis for the rationality of power dispatch and ensures the orderly power supply of the power grid. The two-way communication function of smart meter based on the IoT allows electricity consumption data to interact with the system platform in real time, and provides more innovative services through statistical analysis of electricity consumption data.

In the application of smart meter, three-phase smart meter is mainly used in industrial factories, commercial users, single-phase smart meter is residential used in electricity metering.

In terms of the amount of uses, single-phase smart meters is much larger than that of three-phase smart meters

In the design of smart meters, the basic functions of single-phase smart meter and three-phase smart meter are the same, and the same series is similar in appearance structure.

China's smart meter is postpaid smart meters from the beginning of the use to the current penetration rate has been very high, and the use has also been a certain number of years, the problem encountered in the process of use to share with you.

1. The smart meter has a self-diagnosis function, and will actively alarm when the battery voltage is lower than the threshold. The maintenance personnel receive the information and can be solved by replacing the battery directly on site. Whether it is a single-phase smart meter or a three-phase smart meter, the design considers the external location of the clock battery to facilitate on-site maintenance. After battery replacement, the smart meter will automatically synchronize the clock to ensure the accuracy of the clock.

2. The problem of communication failure is a relatively common phenomenon, and it is easier to solve many times. There are the following possibilities:

The communication part of the smart meter is an external modular design, which is connected by plugging the pin header socket, and the long running time will cause poor contact, as long as the communication module can be directly plugged in and unplugged in the case of on-site power. In the later smart meter design, the plug headers of the communication module are required to be gold-plated to ensure the reliability of contact.

For GPRS communication methods, you can check whether the contact of the SIM card is good, remove the SIM card on the spot, wipe the contact points of the SIM card chip and card holder, and reinstall it.

For LAN mode communication, first check whether the communication between the centralized controller and the system platform is smooth, and then confirm the LAN communication problem (whether the concentrator can communicate with other smart meters. can communicate, indicating that the problem is in a single meter that cannot communicate. if it cannot communicate, the problem is in the LAN communication module of the concentrator) LAN communication mainly includes LoRa, PLC, Zigbee, Wi-Fine, etc.

3. The smart meter home energy monitor cannot read the smart meter data or is not displayed. There is no indication that the home energy monitor battery may be dead, just replace the battery. Failure to read smart meter data may affect communication if the home energy monitor is currently in an inappropriate location.


The application of smart meters popularizes real-time diagnosis and monitoring of power quality, realizes the self-healing function of the power grid, and improves the quality of power supply. The introduction of smart meters and home energy monitors allows power users to know the electricity consumption of their homes in real time, which is of great help to consciously save electricity. According to the survey statistics of an experimental institution in the United States, real-time understanding of electricity consumption data and not knowing electricity consumption data can save 11% of electricity.
YTL as a sub metering company, warmly welcome to contact us~

Zhejiang Yongtailong Electronic Co., Ltd.
YTL is a professional supplier of energy meter and AMI solution. the Top 100-enterprise with most investment value in Zhejiang. And“Yongtailong”is the famous brand of Zhejiang. With nearly 20 years' experience in energy metering, we devote ourselves to providing competitive projects and creating value for customers.
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