The smart energy meter is a new all-electronic energy meter with more powerful new functions such as communication, data management and storage, key and security identity authentication. The traditional mechanical energy meter is a power meter, an electronic energy meter, and pre-paid energy. Compared with the table, the smart energy meter has more advantages. For example, data in the energy meter can be collected; the pull and close control can be performed according to the user's use condition; when the power fee is running out, the user can also send a short message to the user. Dunning and so on. We use electricity every day. Have you learned about the billing model of the energy meter? This article will explain to you:
The intelligent energy meter has three charging modes: step, rate, and mixed. The three functions are turned on/off controlled by the two fields of the gradient number and the rate number set in the smart energy meter table.
1. Ladder function
The application of the ladder function is mainly from the perspective of creating a conservation-oriented society. It encourages electricity users to consume energy and reduce pollution to the environment. Under the premise of guaranteeing that the user's basic electricity price remains the same, the cost of luxury electricity will be increased. ,promote. Households save energy and reduce emissions.
The filing files in the "multi-function energy meter communication protocol" expand two sets of ladder values and ladder prices. Each ladder defines N ladder values. The actual number of ladder steps is determined by the "step number" of the parameter. The interval of the ladder price divided by the ladder is defined as N+1. The user can achieve the mutual switching of the two ladders by setting "two sets of ladder switching time". When the smart energy meter performs two sets of ladder switching, it needs to perform the agreement freezing. The calculation period of the ladder is the time between the two meter reading settlement days. The default is usually one month.
For example, the total user power consumption is 300 kWh, the user's step value 1 is set to 50 kWh, the step value 2 is set to 200 kVVh, and the step price is 0.3 yuan/kWh, 0.4 yuan/kWh, 0.5 yuan/kWh, respectively. The total electricity fee is: 50 * 0.3 + 150 * 0.4 + 100 * 0.5 = 125 (yuan)
2. Rate function
The main function of the tariff function is to use power price to adjust the load of the grid and reduce the difference between peaks and valleys, thereby reducing the effects of power generation, power supply equipment and primary energy consumption.
The smart meter supports at least the four rates of sharp and peak levels.
At least 2 time zones can be set throughout the year; at least 8 hours can be set within 24 hours; the minimum time interval is 15 minutes, and should be greater than the demand cycle set in the energy meter; the time period can be set across the zero point.
Should support the setting of special holiday time periods for holiday holidays and public holidays.
There should be two sets of rates and time periods that can be freely programmed; another set of rates and time periods can be used at the set time.
The billing function of the tariff function is similar to the traditional multi-function watch class, so here is not an example for everyone.
3. Mixed mode
Mixed mode refers to the mixed use of ladders and rates. Mixed prices = ladder prices + rates. For example: The gradient is 2 , which is 120kWh and 200kWh respectively; the step price is 3, which is 0, 1 and 1 yuan respectively.
The peak price of Pinggu is 1 yuan, 8 corners, 6 corners and 4 corners.
If the user's peak Pinggu total electricity consumption (abbreviated as total electricity consumption) is less than 120kWh, then the user's peak Pinggu electricity price is still 1 yuan, 8 angles, 6 angles and 4 angles; if the user's total electricity is 120~200kWh, then The user's peak Pinggu electricity price will be 1.1 yuan, 9 corners, 7 corners, and 5 angles; if the user's electricity consumption is greater than 200 KWh, the user's peak Pinggu tariff will be 2 yuan, 1.8 yuan, 1.6 yuan, and 1.4 yuan respectively.
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