A balanced three-phase circuit is an electrical system where three phases have the same current and voltage, and the phase angles differ by 120 degrees. Here are some characteristics of a balanced three-phase circuit: Equal currents: Each phase draws the same current. Zero neutral current and power: The neutral current and power are zero. Identical impedances: The impedances in the three phases are the same. Smooth power delivery: The balanced nature of the circuit results in smoother power delivery. Efficient use of equipment: The balanced nature of the circuit results in efficient use of equipment.