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Sahithyan's S1 -- Electrical Fundamentals

Common Terms

Branch

A branch represents a single element, such as a resistor or a battery.

Node

A node is the point connecting more than 1 branches. Denoted by a dot.

Two terminal element

An element connected to two nodes. Branches are two terminal elements.

Loop

A loop is a closed path through a circuit in which no node is encountered more than once except the start/finish node.

Mesh

A mesh is a loop without having other loops inside it. Subset of loops.

Common Terms Explanation

Connection types

Delta connection

Delta connection

  • Doesn’t have a neutral wire. Neutral point is imaginary.
  • Delivers more power

Star connection

Star connection

Delta-Star conversion

Delta-Star conversion

Delta to Star

can be found similarily.

Star to Delta

can be found similarily.