Renewable energy solutions for a sustainable tomorrow
Adani Renewables Hub is a practical knowledge base for facility managers, EPC contractors and plant operators working with distributed solar PV across South Africa. Every post reads like a note from an experienced O&M engineer: inverter fault codes, string sizing checks, soiling losses on bifacial modules, Eskom grid code compliance and the safety routines that keep DC switchgear from becoming a problem.
Latest field note
A practical walkthrough of the F28 fault code, covering likely causes, step-by-step checks and safe reset procedures. Written for anyone commissioning a new plant or troubleshooting an existing one.
Read the full diagnosisFault Diagnosis
A field walkthrough of the F28 DC bus voltage fault, covering string mismatch checks, ground fault isolation, and the safe reset sequence we use before escalating to the manufacturer.
Design Checklist
How cold morning voltages and rear-side albedo current affect string design. A practical checklist for verifying configurations during commissioning before clipping becomes a problem.
Performance Analysis
Dust accumulation on the rear side is easy to miss. A review of soiling patterns in the Karoo and how to measure losses with reference cells instead of fixed cleaning schedules.
The work behind a reliable PV plant is mostly invisible: correct string configurations, clean DC connections, and log data that actually tells you what is happening. These are the core services we bring to distributed solar installations across South Africa.
No generic advice. Each item below is a concrete practice we apply during commissioning, troubleshooting, and routine maintenance.
We interpret fault codes from Sungrow, SMA, and Huawei inverters in the field. Instead of just resetting the unit, we trace the root cause — whether it is a DC bus issue, string mismatch, or a failing switch. This reduces repeat trips and unplanned downtime.
We verify string voltages against low-temperature data and account for albedo on bifacial modules. This prevents overvoltage trips and clipping losses before they become operational problems. A practical checklist is used on every site.
Loose connections and overloaded lugs show up as heat before they cause failures. We perform regular thermal imaging on DC combiner boxes and terminations, documenting hotspots and scheduling corrective action based on severity.
We help with Eskom grid code requirements, including protective relay coordination and power quality documentation. This covers the paperwork side, so your plant meets the technical standards without surprises during inspection.
We set up performance ratio tracking that goes beyond the inverter display. Using reference cells and string-level data, we log soiling losses and degradation trends properly, so you know exactly what is underperforming and why.
We review DC isolators, fuses, and wiring for signs of wear and incorrect ratings. Our audits focus on arc-flash risks and lockout/tagout procedures, helping you maintain a safe working environment around live DC equipment.