Monitoring of the Renewable Energy

Moner has been studied for the companies and PA’s that require to monitor the efficiency of the renewable energy power stations.
The platform is entirely configurable and can be adapted in any contest in which the monitoring of such a system is a key factor.

Typical problems related to the use of a station, for example a PV one…
Difficulty in obtaining a standardization of criterions concerning the monitoring and the supplied services. The choice of inverter depends on circumstances that are not related to the design requirements. Additionally, it is not always possible or convenient in the multi inverter plants, to use the same brand or model of an inverter.
Difficulty in interpreting of monitoring data. The visualization of measurements is carried out between an alphanumeric display on the inverter and a PC . The visualization on the PC is generally very good, but it can take place only in some occasions, as it requires the PC to be turned on and a dedicated program to be launched. It also requires a physical connection of two devices through a suitable cable. In this case the user must obviously be in possession of a computer, know how to use it and be willing to use it, and it sometimes does not occur.
Difficulty of integration of the inverter data with the climatic one. Generally speaking, the inverter serves a function of acquisition of data concerning everything that is related to the gateways and to its internal functioning. The acquisition is often extended to some meteorological measurements (solar radiation, temperature). Such measurements are very important to the study of the system and for the maintenance operations, although in the net-metering energy exchange system the auto producer considers the availability of information related to the own consumption (compared to the energy produced by the plant) equally useful.

Independence from the hardware of the plant. The system allows to perform the monitoring of any plant containing any hardware component (e.g. multi-inverter, multi- string, etc. )
Easy use. The system does not require any external intervention for the launch and shut down operations. It is easy and intuitive to use.
Easy installation. The system does not require any significant adaptations in the plant or in the electrical panel. The wiring is reduced to the minimum and the components have a limited size. Moreover, there is no need of intervention of the specialized personnel.
Efficiency of data representation. The data, both: the immediate and the historical ones, are represented in various forms (analytical, tables, graphics, etc.).They can be displayed immediately and entirely. At last, the style of representation is personalized according to the role of the user that makes use of it and to the elaborated information (a specialist, designer, top-manager, etc.).
Flexibility of use. The system is able to monitor the different plants. It is also fully scalable, that is to say, it is possible in future to add to the basic configuration a possibility of extending the field of measurement also to other devices, without exchanging of any of the components.
ISE (Intelligent System Engine). The system is able to provide a user, through a sophisticated service-oriented engine, with a series of data concerning the forecast of many derivative variables (a long term performance trend, a long term trend of the temperatures based on the statistical climatic surveys of the last years, etc.).
Open Architecture Module. In the existent situations, the system allows to act as a supplement to the existing software and allows a separation between the hardware and the software components.

Basic measurements that are monitored:
Meteorological – ISolar irradiance onto the modules- Ambient temperature (in the shadow)
Photovoltaic field – The temperature of the modules- Outgoing voltage- Total outgoing current electricity.
Inverter output in an alternating current electricity – Total outgoing current electricity. Total activated outgoing voltage.
Electrical network of the distributor – The voltage on the hub inverter/network of the distributor- A three-phase active voltage- The current electricity injected to the network. The current electricity collected from the network.

Other measurements that are monitored
Plant functioning – Performance- Efficiency- Productive capacity.
Green – Carbon Dioxide non injected is equal to the produced energy (CO2)- Sulphur oxides non injected are equal to the produced energy (SO2)- Nitrogen Oxides (NOx).
Other – Forecast of the numerous variables.

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