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Will smart meters really speed up electricity consumption?

Will smart meters really speed up electricity consumption?

On TV news and the Internet, we have seen that a tradtional energy meter is replaced by a smart meter, and the users feel that the smart meter speeds up electricity consumption. In response to such questions, today, we analyzes and reveals the reasons from the technical level of smart meters, and recommends the way to resolve it.



Why do users feel that smart meters speed up electricity consumption?

1. Traditional mechanical meters will cause wear and error when used for a long time, and the sensitivity of mechanical electric meters is low, which means when the power of home is very small in the standby state, the sensitivity of the mechanical meter is low and has not reached the power of trigger measurement. But in fact, there is electricity consumption. smart electricity meter adopts professtional metering chips, high accuracy electricity signal smaplig component, High Performance MCU, with accurate measurement accuracy, high sensitivity and good stability.

2. Smart meter current is 5(60)A, 10(60)A, which means the max current is 60A, the rated current is 5A,10A. The rated current determines the starting current of the energy meter, the load is greater than the starting current and will start to be measured.

IEC energy meter,IEC62053-21 standards clearly stipulate that the starting current size is 4‰ rated current, the starting current of the current specification 5(60)A smart meter is 20mA, and the starting current of the smart meter with current specification 10(60)A is 40mA.

3. Check whether there is leakage of the power line, when the line wire insulation layer is broken, etc. will cause the leakage phenomenon, the line leakage energy meter will also be measured, and there is a hidden danger of electrical fire in line leakage. It is not difficult to judge whether there is leakage in the wiring at home, turn off all electrical appliances in the home, but the meter is still measuring, there may be leakage or the meter is bad; At this time, use a clamp meter to measure whether there is current on the wire, and if there is current, you can judge whether there is leakage in the line; You need to ask a professional electrician to make an exclusion.

Reduce power waste and save electricity

With the improvement of people's living standards, there are more and more electrical facilities in the home, and most often the electrical appliances are not used and will not be unplugged, so that the electrical appliances are in standby state and need to consume electric energy. For example, LCD TV standby power consumption is 0.5W, ordinary air conditioning standby power consumption is 12-15W, set-top box power consumption is 16W, router power consumption is 5W. These four electrical appliances consume a total of 36.5W, which requires 0.875 kWh a day and 26.28 kWh a month, in addition to washing machines, microwave ovens, water heaters, etc.. Therefore, developing the correct habit of shutting down household appliances when they are not in use can save considerable electricity costs.

The electric energy meter is installed outdoors or in the corridor, and usually rarely pay attention to the electricity consumption at home, and only know the electricity consumption of the family when the electricity bill comes at the end of the month. The popularity of smart meters allows power users to understand their own electricity consumption in real time, through mobile phone APP or through smart meter home energy monitor, and the data is complete. If today's electricity consumption suddenly increases significantly, it can be compared with historical data and analyzed whether it is normal in combination with the actual power equipment.

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