What is the Circle Diagram of Induction Motor ?Circle Diagram DefinitionA circle diagram is a graphical tool used to represent the performance of electrical machines like induction motors.Importance of Circle DiagramIt provides a comprehensive view of various performance parameters, unlike a phasor diagram which only shows current and voltage for a single condition.Tests for Data CollectionThe no-load and blocked rotor tests are essential for gathering data to draw the circle diagram of an induc