Ideal three-phase line voltage measurement
Simscape / Electrical / Sensors & Transducers
The Line Voltage Sensor (Three-Phase) block represents an ideal three-phase line voltage sensor. The block measures the line-line voltages of a three-phase system and outputs a three-element physical signal vector. Each element of the physical signal output vector is proportional to the voltage between the phases as follows:
Element 1: Vab = Va - Vb
Element 2: Vbc = Vb - Vc
Element 3: Vca = Vc - Va
where Va, Vb, and Vc are the absolute a-, b-, and c-phase voltages.
You must connect the Line Voltage Sensor (Three-Phase) block in shunt with the three-phase element. For more information on how to use this block, see Build and Simulate Composite and Expanded Three-Phase Models.
V— Three-elements vector
Three-element physical signal vector output port associated with the voltages between the phases