Products and services
Contact UsProducts
- Photovoltaic installations of distributed generation
- Isolated installations of the electric network
- Installation of electric vehicle chargers
- Regularization of installations for self-consumption up to 300kW
- Electromobility platforms in general and special applications
- PVBAT, mobile energy storage platform with blockchain
- karhu, modular lithium batteries
- ilves, DC brushless motor controllers
- kettu, telemetry and control systems for electromobility
- GTIME, energy traceability blockchain
- Sello Sol, the solar blockchain of Latin America
- phiNet, solar radiation measurement stations and other environmental variables
- Platforms for measuring and controlling energy and other special applications
Services
Analysis of the solar resource and economic analysis of the photovoltaic plant
- Examination of the solar resource and setting up time series to analyse the photovoltaic energy generation
- Data processing by BSRN-WMO standards
- Simulation of energy scenarios with different photovoltaic technologies
- Design and optimization of the solar field according to the technologies and customer’s selection
- Analysis of the electric energy injected into the grid (DEMS and self-consumption)
- Price analysis of the project’s grid connection point
- Economic analysis of photovoltaic projects (investment and projected long-term amortization)
Installation of measuring stations to analyse the solar radiation
- Solar radiation in horizontal plane – Pyranometre ISO9060
- Solar radiation in inclined plane – Pyranometre ISO9060
- Temperature and humidity
- Wind speed and direction
- Atmospheric pressure
- Measurement of other relevant variables
Electric engineering of photovoltaic plants
Network compatibility test for the connection to the medium voltage grid
- Calculation of the elctric parametres of the medium voltage grid. Requesting the parameters at the distribution company.
- Electric simulation at the medium voltage grid to verify the reaction with or without the solar plant in permanent or temporary state
- Elaboration of the report with description, results and conclusions
Detailed electric engineering of the photovoltaic plant
- Detail of the electric system of the solar plant in low voltage in direct and alternate current as well as in medium voltage
- General unilineal diagram of the solar plant
- Elemental diagram of direct and alternate current with connection details between the equipment
- Layout plan of the electric equipment and the associated channeling
- Diagram of the communication system of the solar plant parts
- Quotation of investment, operation and maintenance of the photovoltaic plant
Section calculation and conductor specification of direct and alternate currents in low voltage circuits
- Calculation report of: current capacity, short-circuit capacity and voltage drop
- Particular technical specifications: detailed list of wiring with indication of isolation and length
- Measuring of soil resistivity and conclusion report
- Report with curve interpretation, layer determination and their equivalent resistors
Calculation and design of the ground grid
- Analysis of the available equipment and structure of the plant for the determination of the ground grid
- Creation of a layout plan
- Creation of a calculation report
Coordination and adaption of the electrical protections of the solar plant at the connection point to the medium voltage grid
- Calculation of the electric parameters to adjust the security measures of the solar plant
- Electric simulation to calculate fault currents with or without the connected photovoltaic plant
- Determination of adjustments for the electrical protection of the plant
- Creation of a description report about procedure, results and conclusions
Initial operation of the solar plant
- Programming the operation software and inverter for the connection to the medium voltage grid
- Field advice to test the equipment and the connection of the solar plant
Commissioning of photovoltaic plants
- Audit comissioning: operating voltage measurement, electrical protection verification, measurement of grounding.
- Measurement of inclined solar radiation [W / m2] and energy production at low voltage of the photovoltaic plant [MWh].
- Elaboration of a report with the output power vs. expected power
- Inspection of the inclined angle, distances and verification of equipment and installed module
- Maintenance report for the verification of the energy production decrease due to material attrition or other factors.
- Field measurement of short circuit current (Isc) and open circuit voltage (Voc)
Dust and soiling monitoring on photovoltaic modules
- Installation of a dust monitoring system
- Tracking of the energy production decrease and the incident solar radiation (daily analysis)
- Provision of the necessary information for the maintenance planning of the photovoltaic plant
- Studies before the installation of the plant to determine the dust indexes in the solar field
Thermographic analysis for preventive maintenance of PV-systems
- Inspection of heat spots on solar fields
- Inspection of electric connections of photovoltaic systems
- Protocol analysis of heat spots on solar fields
- Temperature measurement on PV modules and comparison with thermography pictures