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Despite continuous scientific and research work on new power systems for motor vehicles, machines
and various devices, the combustion engine is still the dominant power supply system for this type of technical
objects. The operation of a compression-ignition piston engine is initiated during the starting process and uses
various starting devices and systems for this purpose. Currently, the most popular starting system for a piston
combustion engine is the use of a system based on an electric starter. In general, the starting process of a
compression-ignition piston engine depends on the following factors: technical condition of the starting system,
technical condition of the engine, battery charge level, lubricating properties, engine standstill time, engine and
ambient temperature, type of fuel, etc. The article presents research on the electrical parameters of the start-up
process of a single-cylinder compression-ignition engine with variable fuel injection parameters and ambient
temperature conditions. The increased fuel dose had a positive effect on engine starting and reduced load on the
starting system. Knowledge of the values of the electrical parameters of the starting process is important not only
for the user (vehicle driver, agricultural machine operator, etc.), but primarily for designers of modern starting
systems for combustion engines and service personnel. The obtained results of testing the electrical parameters of
an internal combustion engine during start-up may be helpful in designing new drive systems supported by a
compression-ignition internal combustion engine.
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