Measurements in three-phase motors in Star (Y-Connected)

Updated Apr 11, 2018

Issue Details

Can I use a C Series Voltage Input Module to measure a three-phase motors in Star (Y-Connected) without the use of a neutral connection?
 

Solution

The C Series Voltage Input Module are ideal for voltage measurement applications such as phasor measurements, power metering, power quality monitoring, industrial machinery, and motor test. You can also perform transient and harmonic analysis with high-speed simultaneous sampling.

However, if the connection is going to be on "Y" mode, it is required the use of a neutral connection. Eliminating this connection implies that the system is perfectly balanced, meaning that if there is any change in the system, it could result difficult to notice it.
 

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