Admin Request for Inspection REA Solar Mini Grid
| Application for | REA Solar Mini-Grid Project |
|---|---|
| REA Code | REA-NEP-MG |
| REA LOT Number | 052 |
| REA-NEP-MG | PBG |
| Inspectorate Field Office closest to site location | Akure |
| Register as | Corporate |
| NEMSA Certificate Number | CC/CEIF/PR/00609 |
| First Name | Joseph |
| Last Name | Ojo |
| Position | Chief Business Officer |
| Phone | 07039476932 |
| j.ojo@a4tintegrated.com | |
| Address |
No. 27b, Olumoroti Jaiyesimi Street, Gbagada Phase 2, Lagos. |
| State | Lagos |
| Company Name | A4&T Power Solutions |
| Company Email | info@a4tintegrated.com |
| Company Phone | 07039476932 |
| Tax Registration Number | 20022603-0001 |
| Address |
No. 27b, Olumoroti Jaiyesimi Street, Gbagada Phase 2, Lagos. |
| State | Lagos |
| Name of the Village/Community | Laoso |
| State | Ondo |
| Local Government Area | Ondo West |
| Number of Inhabitants | 3600 |
| GPS Coordinates | Lat:6.964928, Long:4.645497 |
| Site Address/Detail Description |
Laoso is an Agro-based community in Ondo West Local Government of Ondo State. The community has majority of her residents economic activities in farming. The population is populated with over 600 households. |
| Activities | Business Activity, Educational Facility, Health Care Facility, Residential |
| Total Solar PV Installed (kWp) | 53 |
| Total Solar PV Energy Produce Per Day (kwh) | 137.4 |
| Total Storage Capacity (kwh) | 144kWh |
| Total Load/Energy Requirement (kWh) | 248.52 |
| Storage Technology/Manufacturer | Lead Acid/Eternity |
| Type of Coupling (AC/DC) | DC |
| Generator Rated Power (kVA) | 60 |
| Year of Construction | 2021 |
| Fuel Type | Diesel |
| Generator Model/Manufacturer | Perkins |
| Operation | Automatic |
| Date of Installation of Mini-Grid | November 17, 2021 |
| Date of Application | June 21, 2023 |
| Manufacturer | Jinko |
| Model | JKM410M-72 |
| Technology | Monocrstalline |
| STC power (Wp) | 400 |
| Number of Cells | 72 |
| MPPT Current | 80Amps |
| MPPT Voltage | 150V |
| Module catalogue # | JKM410M-72 |
| Number Series | Parallel | 18 |
| Total Power (Wp) | 32 |
| Fuse (A) | 250 |
| Surge Protection Device | 20KA/40KA |
| Converter Catalogue | 0 |
| Cable cross-section | 10mm2 |
| Manufacturer | Schneider |
| Model | CL36000 |
| Technology | MPPT |
| Rated Power | 36000 |
| Rated Voltage | 1000 |
| Rated Current | 53.5A |
| Manufacturer | Eternity |
| Model | 1080AH |
| Technology | Lead Acid |
| Cell Voltage (V) | 2.3 |
| Battery Voltage | 2V |
| C10 Capacity | 5.37 |
| Charge Voltage | 2.43 |
| Module Catalogue # | 2 |
| Number Series | Parallel | 3-2 |
| Total C10 capacity [kWh] | 1080 |
| Fuse rating [A] | 250 |
| Date of cell production | June 21, 2021 |
| Date of installation | November 15, 2021 |
| Cable cross-section [mm²] | 120 |
| PV Generator | Expected open circuit voltage [V] |
| String Number | 1 |
| Value | 430.6 |
| PV Generator | Measured open circuit voltage [V] |
| String Number | 1 |
| Value | 301.4 |
| PV Generator | Expected load circuit voltage [V] |
| String Number | 1 |
| Value | 50.4 |
| PV Generator | Measured load circuit voltage [V] |
| String Number | 1 |
| Value | 48.9 |
| PV Generator | General visual inspection observations |
| String Number | 1 |
| Value | OK |
| PV Generator | Expected short circuit current [A] |
| String Number | 1 |
| Value | 10.60 |
| PV Generator | Measured short circuit current [A] |
| String Number | 1 |
| Value | 8.26 |
| PV Generator | Measured ambient temperature [°C] |
| String Number | 1 |
| Value | 25 |
| PV Generator | Measured module temperature [°C] |
| String Number | 1 |
| Value | 24.8 |
| PV Generator | Alternatively, estimated insulation (cloudy, sunny, mist, …) |
| String Number | 1 |
| Value | OK |
| PV Generator | Expected power output [kW] |
| String Number | 1 |
| Value | 410 |
| PV Generator | Measured power output [kW] |
| String Number | 1 |
| Value | 409.9 |
| PV Generator | Surge Protective Devices functional (indicator at device)? |
| String Number | 1 |
| Value | OK |
| PV Generator | Overcurrent protection operational (correct fuse rating)? |
| String Number | 1 |
| Value | OK |
| PV Generator | Result of verification of measured values (OK, low, …) |
| String Number | 1 |
| Value | OK |
| PV Generator | String cables fixed and cables without damages |
| String Number | 1 |
| Value | YES |
| PV Generator | Connectors properly connected under no mechanical strain |
| String Number | 1 |
| Value | OK |
| Inverter/Charge Controller | General visual inspection observations |
| String Number | 1 |
| Reference | Yes |
| Inverter/Charge Controller | Inverter protection settings programmed to local requirements? |
| String Number | 1 |
| Reference | Yes |
| Inverter/Charge Controller | When an RCD is installed to the AC circuit feeding an inverter, the RCD type shall be verified to ensure it has been selected according to the requirements of IEC 60364 |
| String Number | 1 |
| Reference | Done |
| Inverter/Charge Controller | Means of isolating the inverter been provided on the AC side? |
| String Number | 1 |
| Reference | Yes |
| Inverter/Charge Controller | Isolating and switching devices been connected such that PC installation is wired to the “load” side and the public supply to the “source” side? |
| String Number | 1 |
| Reference | Yes |
| Inverter/Charge Controller | All Inverters/Charge controller operating correctly? |
| String Number | 1 |
| Reference | Yes |
| Inverter/Charge Controller | Inverter/charge controller protection settings and installer details displayed on site? |
| String Number | 1 |
| Reference | Yes |
| Battery Storage | General visual inspection observations |
| String Number | 1 |
| Reference | Done |
| Battery Storage | Wiring properly done without visual deficits |
| String Number | 1 |
| Reference | Yes |
| Battery Storage | Cell temperature |
| String Number | 1 |
| Reference | 25 |
| Battery Storage | Tightening torque of all screws to connectors to the batteries and in between the cells of the batteries is according to the equipment manufacturer’s recommendations |
| String Number | 1 |
| Reference | Yes |
| Battery Storage | Battery inverter or charge controller parameters are properly set (correct system configuration, date and time, control of the load shedding relays, reading of external temperature sensor verified, …) |
| String Number | 1 |
| Reference | Yes |
| Battery Storage | Safety measures for the respective types of batteries applied |
| String Number | 1 |
| Reference | Yes |
| General Safety/Security | General visual inspection observations |
| String Number | 1 |
| Reference | Yes |
| General Safety/Security | Inverter protection settings programmed to local requirements? |
| String Number | 1 |
| Reference | Yes |
| General Safety/Security | When an RCD is installed to the AC circuit feeding an inverter, the RCD type shall be verified to ensure it has been selected according to the requirements of IEC 60364 |
| String Number | 1 |
| Reference | Done |
| General Safety/Security | Means of isolating the inverter been provided on the AC side? |
| String Number | 1 |
| Reference | Yes |
| General Safety/Security | Isolating and switching devices been connected such that PC installation is wired to the “load” side and the public supply to the “source” side? |
| String Number | 1 |
| Reference | Yes |
| General Safety/Security | All Inverters/Charge controller operating correctly? |
| String Number | 1 |
| Reference | OK |
| General Safety/Security | Inverter/charge controller protection settings and installer details displayed on site? |
| String Number | 1 |
| Reference | OK |
| Official Letter of Request | https://nemsa.gov.ng/wp-content/uploads/formidable/67/Letter-for-Inspection-Request.pdf |
| PV System | https://nemsa.gov.ng/wp-content/uploads/formidable/67/PV_SYSTEM_LAOSO.pdf |
| Charge Controller or Grid-tie Inverter | https://nemsa.gov.ng/wp-content/uploads/formidable/67/GRID-TIE-INVERTER-LAOSO.pdf |
| Combiner Boxes | https://nemsa.gov.ng/wp-content/uploads/formidable/67/COMBINER-BOX-1-1.pdf |
| Battery System | https://nemsa.gov.ng/wp-content/uploads/formidable/67/BATTERY-SYSTEM-LAOSO.pdf |
| Earthing & Surge Protection System | https://nemsa.gov.ng/wp-content/uploads/formidable/67/Earthing-System-Surge-Protection.docx-2.pdf |
| User ID | Joseph Ojo |