Device auto Theme battery device Assignment Issue 24 

The auto unit.
Topic: Purpose of the battery device.
24 series
Battery - designed to supply consumers with electric current when the engine is not running, as well as when working, when the power of all included consumers exceeds the power generated by the generator.
The main purpose of the battery is to power the starter when starting the engine.
There are two types of battery: alkaline and lead - acid.
Lead-acid batteries are called starter batteries because they operate almost in short-circuit mode during the engine start-up, giving a large current (600 - 800 amperes) with a slight drop in internal voltage.
The battery consists of the following elements: a housing, one or more covers, blocks of positive and negative plates, separators, safety guards, and an electrolyte.
The battery case can be made of ebonite, thermoplastics or other types of plastics.
Plates are made, in the form of a grid of lead (92-94% lead; 6-8% arsenic; 0.1% antimony), negative plates in each Bank are one more than positive.
Separators-designed to prevent short circuits between plates. Can be made of miplast, fiberglass, and ...
Blocks of plates-are connected to each other by lead jumpers, and the two extreme ones are output through the cover and denoted by the + and-sign.
Each jar is filled with an electrolyte that is prepared from sulfuric acid and ten-liter water (1,4 -1,27 g / cm^3).
Battery marking
6ST - 65EM, where the number 6 is the number of cans
the letters of ST - starter
65 - battery capacity in ampere hours for a 20-hour cycle
EM-separator material
J = 0.1 s-value of the charger
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