Recently we've been experiencing several voltage transients on our system that have lead to voltage spikes that have reaked havoc on several drives, electronics, etc...
I have set up a power meter to try to catch some of these transients and have seen some of these transients occuring. I'm trying to determine weather or not these disturbances are coming from the utility (cap switching etc..) or from within the facility (vaccum breakers etc..)
Someone once told me that you could look at both the voltage and current waveforms during a transient event and from these waveforms be able to determine what side of the metering device the transient is origonating from therefore determine weather or not its coming from the utility or within the facility.
Does anyone know how to determine what direction the transient is originating from by looking at the current and voltage waveforms during a transient?
I have set up a power meter to try to catch some of these transients and have seen some of these transients occuring. I'm trying to determine weather or not these disturbances are coming from the utility (cap switching etc..) or from within the facility (vaccum breakers etc..)
Someone once told me that you could look at both the voltage and current waveforms during a transient event and from these waveforms be able to determine what side of the metering device the transient is origonating from therefore determine weather or not its coming from the utility or within the facility.
Does anyone know how to determine what direction the transient is originating from by looking at the current and voltage waveforms during a transient?