Solar and EV lab · Level 6 of 8
Commission the system: the safe energising order
Level 6 of 8 in the Solar and EV lab: a free solar and EV exercise at Advanced level. Test, find a faulty string, and energise the AC, DC, battery and charger in the safe order, with the inverter checks at the end.
Free · no download. Your work is saved on this device. Updated 18 Oct 2026.
The brief
- Client
- Ashdown Community Hall
- Site
- Community hall roof, Ashdown
- Work order
- WO-SEV-106
- Task code
- SEV-06
- Difficulty
- Advanced
- Type of work
- Commissioning
Test, find a faulty string, and energise the AC, DC, battery and charger in the safe order, with the inverter checks at the end.
Skills you practise
- Commissioning order
- String testing
- Inverter start-up checks
- Safe isolation
What the test checks
The acceptance test marks the skills this level practises.
- Commissioning order
- String testing
- Inverter start-up checks
- Safe isolation
In this lab
- Strings, protection and the day's generation
- Battery rules under a tariff
- Charger faults and load management
Levels in the Solar and EV lab
Previous: Battery dispatch: cut the bill under a time-of-use tariffNext: EV charger fault: a car will not charge
- Site survey: name every part and every isolation point
- String sizing for the coldest and hottest day
- Select cables, fuses, isolators and surge protectors
- Generation against load: size the array for self-consumption
- Battery dispatch: cut the bill under a time-of-use tariff
- Commission the system: the safe energising order
- EV charger fault: a car will not charge
- Load management: three chargers on a limited supply
Part of the Solar and EV lab
Size a solar array, set a battery and fault-find an EV charger on a commercial site.
Feeds these internships: Electrical Design, Electrical and Solar Energy Systems.