In a delta connected device, the relationship between line current and phase current is represented by which value?

In a delta connected device, the relationship between line current and phase current is represented by the value of 1.73, which is the square root of 3. This ratio illustrates the mathematical relationship between these two types of currents in a three-phase delta configuration.

In a delta connection, the line current is greater than the phase current. The formula used to express this relationship is:

[ I_L = \sqrt{3} \times I_P ]

where ( I_L ) is the line current and ( I_P ) is the phase current. As a result, it is understood that the line current will always be approximately 1.73 times greater than the phase current in a balanced system. This concept is crucial for understanding power distribution and relationships in three-phase systems, which are common in electrical engineering.

In contrast, other values presented in the options do not correspond to the relationship between line current and phase current in a delta connection. The use of the square root of 3 (1.73) is fundamental when analyzing systems involving delta or wye configurations, making it essential knowledge for electricians and engineers working with three-phase power systems.