Chapter 24

Three-Phase Voltage Generation

Three-Phase Voltage Generation

Four-Wire Systems

Four-Wire Systems

Three-Phase Relationships

Three-Phase Relationships

Three-Phase Relationships

Voltages in a Wye Circuit

Voltages for a Wye Circuit

Voltages for a Wye Circuit

Currents for a Wye Circuit

Currents for a Delta Load

Currents for a Delta Load

Power in a Balanced System

Power in a Balanced System

Active Power to a Balanced Wye Load

Reactive Power to a Balanced Wye Load

Apparent Power to a Balanced Wye Load

Apparent Power to a Balanced Wye Load

Power to a Balanced Delta Load

Power to a Balanced Delta Load

Measuring Power in Three-Phase Circuits

Measuring Power in Three-Phase Circuits

Measuring Power in Three-Phase Circuits

Measuring Power in Three-Phase Circuits

Measuring Power in Three-Phase Circuits

Unbalanced Loads

Unbalanced Loads

Unbalanced Loads

Power System Loads

Power System Loads

Power System Loads