Technical feasibility


SECTION I: Testing


1 Has the R & D result been tested?





The following question is replied according to the reply in question 1


If yes


1a In what mode has the result been tested?

•              Prototype

•              Pilot Application

•              Alpha/BETA testing


Pilot Application

1b. Please describe and discuss the testing results

The system for monitoring the electric parameters of a system for generating the electric energy from renewable sources was tested in the electronics laboratory:

- Application visualization on a server module by many clients using the communication protocol TCP/IP;

-  Acquired data storage in a data base with a view to processing them subsequently



If no:

1c Describe what type of testing does the R&D result need?

Detailed comment




1d. What is the time needed for testing?

1e. What is the cost needed for testing?



SECTION 2: Current Stage of Development


2a To what extent does the development team have technical resources for supporting the production of a new product? (Researchers, human resources, hardware, etc. )

The project team has in its structure young researchers from different fields:

-          software ( 2 specialists)

-          electronic ( 1 specialist)

-          automations ( 2 specialists)

The above mentioned personnel have participated in designing, achieving and commissioning the pilot application.

The necessary hardware infrastructure and the software do exist:

- specialized programs for mechanical and electrical programs

- acquisition boards and measuring equipment



2b What are the technical issues that need to be tackled for full deployment, if needed?


The use the systems for monitoring the energy generating installations include two main objectives, namely:

•  supervising of the system equipment operation under good conditions and prevention of faults;

• achievement of statistical reports regarding the time evolution of the photovoltaic system operation parameters ( e.g. delivered energy) and meteorological parameters (e.g. solar radiation intensity, sun shining duration).

For being possible to make an analysis and a good assessment of the power system it is necessary to record a minimum number of parameters influencing the efficiency of these systems:

-          an anemometer for measuring the wind speed;

-          a pyranometer for measuring the light radiation;

-          temperature sensors for measuring the temperature;

-          there are also necessary current and voltage sensors for measuring the currents and voltages in the following points: inverter output, accumulators, DC and AC circuits


2c What additional technical resources are needed for the production of this new product?

For meeting the requirements of the monitoring process, the following should be  taken into consideration:

  • setting of the parameters to be measured depending on their importance in supplying information about the system: the system can be configured for additional information, e.g. voltage, current or temperature  reading in many points;
  • measurement processing on a PC for getting data on the functional condition of the system





2d Overall assessment of the current stage of technical development.
The pilot system has in its structure:

-          an anemometer for measuring the wind speed and direction;

-          a pyranometer for measuring the solar radiation;

-          temperature sensors for measuring the atmospheric temperature;

-          current and voltage sensors for measuring the currents and voltages in the following points: inverter output, accumulators, DC and Ac circuits. The information will be taken over by an acquisition board and transmitted on a PC for processing by adequate software.

The experimental model was achieved at ICMET Craiova and is functional.




SECTION 3: Deployment

3a Define the demands for large scale production in terms of

  • Materials

- Transducer for wind direction and intensity;

- Transducer for solar radiation;

- Temperature probe  PT100 with adapter to unified signal;

- Voltage sensor LEM LV25-P;

- Current sensor LEM LA55-P;

- Shielded cable  6×0.22;

- Power supply;

- Acquisition system (acquisition board)


  • technologies, tools, machineries

- Electric quantity measuring apparatus;
  • Staff effort

3 persons x 8h/day x 1.4 months = 7280 EUR


SECTION 4: Overall Assessment


1 What is you overall assessment of the technical feasibility of the research result?


The technical solution proposed for the experimental model implies high costs due to the data acquisition system. In case of achieving many products, the project can be reconfigured by using solutions for adapting the signals and microcontrollers.





Please put X as appropriate.


  1 2 3 4 5
Adequacy of testing activity undertaken so far

Adequacy and availability of technical resources of the development team

Current development stage

Overall technical feasibility


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