A clearer word. A better decision.
Understand the units, components and planning terms behind an energy quotation.
Automatic Transfer Switch (ATS)
An ATS transfers a load between available power sources according to its control logic. It is not an energy source and does not, by itself, remove every interruption.
Battery Capacity
Battery energy is commonly expressed in kilowatt-hours (kWh). A rating in ampere-hours (Ah) needs the associated voltage before it can be compared as energy.
Battery Management System (BMS)
A BMS monitors and manages a battery within its intended operating limits. Its functions may include voltage and temperature monitoring, protection and communication.
Commissioning
Commissioning checks that installed equipment performs the agreed functions before handover. It connects the design, installation and operating instructions.
Depth of Discharge (DoD)
Depth of discharge describes how much of a battery’s capacity has been used, usually as a percentage of a stated reference capacity.
Generator Canopy
A generator canopy is an enclosure designed around the generating set, its airflow, access and environmental requirements.
Hybrid Inverter
A hybrid inverter combines solar and battery functions within a supported system architecture. Its grid, backup and charging capabilities vary by model.
Kilovolt-ampere (kVA)
kVA is a unit of apparent power used in AC equipment ratings. It is different from the real power expressed in kW.
Kilowatt (kW)
A kilowatt is a unit of power equal to 1,000 watts. It describes the rate at which equipment uses or delivers energy.
Kilowatt-hour (kWh)
A kilowatt-hour is a unit of energy. It represents one kilowatt used or delivered for one hour.
Peak Sun Hours
Peak sun hours express daily solar irradiation as an equivalent number of hours at 1,000 watts per square metre. They are not simply the hours between sunrise and sunset.
Photovoltaic (PV)
Photovoltaic technology converts light into electricity. Solar modules produce DC electricity, which a suitable inverter converts for AC loads.
Power Factor
Power factor is the ratio of real power to apparent power in an AC system. It helps explain why the same kW load can require different kVA capacity.
Starting Load
Starting load is the temporary demand when equipment begins operating. Motors and compressors can draw more at startup than while running steadily.
Surge Power
Surge power is a short-duration output capability. Both its magnitude and permitted duration matter when equipment starts or demand changes quickly.
Usable Battery Energy
Usable battery energy is the portion available within the system’s permitted operating window. Delivered AC energy also reflects conversion losses.
