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The smart meter is an important part of smart power, and it is the "end-of-the-art nerve" that realizes two-way interactive intelligent power supply. It supports two-way metering, automatic collection, ladder electricity price, time-of-use electricity price, freezing, control, monitoring and other functions. In addition, smart energy meters can also provide users with many power services, including distributed power metering, interactive services, smart homes, and smart communities.
With the gradual promotion of applications such as IoT smart home, smart security, and broadband networks, the demand for smart meters will increase rapidly. It is expected that smart meter procurement activities will maintain its growth momentum, and the installation speed will accelerate in the next three years.
State Grid Corporation of China has announced a new standard system for smart meters, which consists of 12 technical standards including functional specifications, technical specifications, type specifications, and safety certification specifications. This standard system has detailed regulations on metering, fee control, communication, power consumption, and even the wiring and appearance of electronic circuits, and has put forward higher requirements.
In order to strengthen the management and control of smart meter quality, a number of new technical standards are expected to be implemented in the third quarter. By then, all meter manufacturers must adopt new practices. However, in order to prevent the market from possible turbulent, more stringent requirements only involve the sample delivery procedure. The entire smart meter semiconductor market is reshuffled. Even before these new standards were issued, almost all smart meter semiconductor manufacturers had adjusted their product strategies to prepare for the new standards.
As of the end of last year, the market share of smart meter microcontroller (MCU) suppliers has changed in many ways compared to the first half of the year. At the same time, the suppliers of the two big two-hearted metering integrated circuits (ICs) further consolidated their respective markets, and the competitive landscape of the power line communication (PLC) chip market also changed.
The smart meter chip involves control, metering, encryption, and communication chips (narrow-wave communication). The control chip is the core of the entire program and is responsible for the most important functions such as tariff calculation, control display, and communication.