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Solar Charge Controller Types – Shunt, PWM, MPPT
A solar charge controller is a device that manages the charging of a battery from a solar module or array…Rodent Screening
Ah, squirrels. Red ones, grey ones, black ones… funny thing is the black ones are actually grey squirrels. And in…PV Modules Have Moved
A PV array should solidly attached to its racking and the roof. Modules should be straight and square. Gaps between…Array Oversize
Array oversize applies to any solar electric system, but is most commonly a topic in design of grid tie batteryless…Equalization
Equalization is a process of controlled battery over-charging. It is used as a routine maintenance activity and a remedial activity…Types of inverters
Common inverter topologiesSystem design varies by topology, so they are not necessarily apples-to-apples comparable. Battery based invertersAll battery based inverters…Ground Faults
A ground fault is a wiring fault -- a live wire is making contact with the ground. Ground faults are…Arc Faults
Arc faults are potentially dangerous wiring problems. An arc fault is a tiny electrical arc jumping across a gap. This…Wired vs WIFI for your monitoring system
Inverters and other solar energy equipment are, more and more, equipped with internet monitoring. this creates a number of benefits…Online portal shows system is down
When your online portal says your system is not operating there are a number of possible issues to investigate. Review…