The phrase "auxiliary source" is correct and usable in written English.
It can be used in contexts where you refer to a secondary or supporting source of information or data.
Example: "In my research, I relied on an auxiliary source to provide additional context for my findings."
Alternatives: "secondary source" or "supporting source".
To fully recharge these devices, you need an auxiliary source that meets or exceeds that capacity.
Owing to the sporadic wind variations, wind energy conversion systems can only be used as an auxiliary source.
An electric motor provides the primary motive force, and a small internal combustion engine serves as an auxiliary source of power to extend the range that the car can go between charges.
Using this MPPT method the generated power by the turbine is considered to be, in terms of power control, an auxiliary source feeding a grid.
It suggests a third energy source (auxiliary source) be incorporated into the system instead of increasing the hardware sizes excessively for the worst month.
The power stage of energy conversion consists on a boost converter connected with the main source and a buck-boost converter connected with the auxiliary source.
Two type of HPSs are consisted and compared; 1) fuel cell (FC) as the main source, and ultracapacitor (UC) as the auxiliary sources, 2) FC as the main source, and battery and UC as the auxiliary sources.
It avoids the use of auxiliary sources within each particle that play a role in some classical formulations.
We also show how to perform sensitivity analysis and explore how the IMAR assumption can be relaxed using marginal information from auxiliary sources.
Finally, natural and artificial causes of the change in the object area were examined by comparing the satellite data analysis results with meteorological data and auxiliary sources.
In the most studied cases, one or multiple auxiliary sources of energy were used in order to increase the performances of the dryer or to decrease drying time.
