PV Solar Energy Metering

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In order to promote the development of distributed photovoltaic energy, the new energy power supply system puts forward new requirements for electric energy metering, that is, it is required to be able to record the electric energy incorporated into the grid, and to record the electric energy absorbed from the grid. In view of the fact that ordinary single-block meters cannot meet this requirement, photovoltaic power generation bidirectional meters have emerged as the times require.

In the earlier distributed photovoltaic power generation system metering, the metering method of two one-way meters is generally used. That is to use one meter to measure the electric energy delivered by the user to the grid, and use another meter to measure the electric energy used by the user in the grid. This method was widely used in the early photovoltaic metering, but there are many shortcomings: first, the use cost is high, requiring two electric meters; second, the wiring is complicated and the construction is difficult; third, maintenance is difficult.

The bidirectional meter is mainly aimed at users who need bi-directional metering in distributed photovoltaic power stations. When the electricity generated by the photovoltaic power station is surplus, the electric energy delivered to the grid needs to be accurately metered. In addition, when photovoltaic power generation cannot meet the needs of users, the electric energy used in the grid also needs to be accurately metered. However, ordinary single-block unidirectional meters cannot meet this requirement, so it is necessary to use smart meters with bidirectional metering functions to realize bidirectional metering of electric energy.

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In order to meet the bi-directional metering needs of distributed power station users, IVY METERING has developed the "PV" series of electric energy meters, which can solve the problems that traditional electric meters cannot solve.

(1) Bi-directional metering

(2) RS485 communication

(3) Four metering modes

(4) MID certification

(5) Built-in battery and multi-tariff

(6) DIN rail mounted, small size, easy to install

With the use of bi-directional meters, only one bi directional meter can be used to realize the electricity fed into the grid, which is measured separately from the electricity consumed by the grid. Compared with the previous scheme of using two unidirectional meters, the cost is lower, the construction difficulty is smaller, and the maintenance is easier. It is convenient and easier to use, and it also provides the best metering application solution for the bi-directional electric energy metering of photovoltaic power plants.