Project - Analysis of a practical automotive wiring circuit
1.Major elements in the above diagram
Generator,Battery,Starter,Ammeter,Break,Foot Selector Switch,Fuse,
Current & voltage regulator,ignition coil.
2.purpose and working,
FUSE - It is a safety device. the fuse breaks the circuit if a fault in an appliance causes too much current to flow,this protects the wiring and the appliance if something goes wrong.it contains a piece of wire that mealt easily.
AMMETER - it is a instrument for measuring either direct or alternative electric current,in amperes.an ammeter can measure a wide range of current values because at high values only a small portion of the current is directed through the metermechanism,a shunt in parallel with the meter carries the major portion.
IGNITION COIL - It acts like a transformer.by means of two coils, one inside the other, the ignition coil transforms the electrical energy from the battery into high voltage,save it briefly and then emits it as a high voltage current pulse to the spark plug.
3. if the total load is 10A from battery,find fuse rate,
total load,I=10
voltage,V=50(Assume 50V)
P=V*I
P=50*10
P=500KW
Fuse rate,=(P*1.5)/V
=(500*1.5)/50
I=15A
If the fuse rate is more the max load,because it avoid the short circuit,so we maintain some extra fuse rate compare than load.
5.parellel connection,
HORN - it should be connected parellely,it varing some different sound horn and low horn at the sound frequency so it connect parellely.
JUNCTION BOX - the circuit grt wired in parellel,such as receptacles.switches are wired in sreies to interrupt the current floe to light fixture and equipement.if multiple light fixture get connected to the same switch,they get linked in parellel after switch.
6.series connection,
Battery - it connects series,it stores chemical energy and converts in to electrical energy.its directly connected into the other elements to working.
Startor - it connects series because it used to start and stop the motor to which it is combined.these are specially produced electromechanical switches the same as the relay.