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Need help on phase angle calculation for voltage-voltage phase angle

Question asked by waja on Dec 17, 2017
Latest reply on Dec 20, 2017 by Gary.Kang.AnalogDevices

Dear Support,

We are using ADE7880, in which I can understand that I can read the below phase angles from ANGLE0, ANGLE1, ANGLE2 registers using below combination of ANGLESEL

 

Using ANGLESEL[1:0] = 00, I can measure below values:

1. R Phase voltage-current phase angle    
2. Y Phase voltage-current phase angle    
3. B Phase voltage-current phase angle    

 

Using ANGLESEL[1:0] = 01, I can measure below values:
4. R-Y Phase voltage-voltage phase angle
5. Y-B Phase voltage-voltage phase angle
6. B-R Phase voltage-voltage phase angle

 

I have a doubt on how to read/derive the phase angles for the below combination:

7. R-B Phase voltage-voltage phase angle
8. Y-R Phase voltage-voltage phase angle
9. B-Y Phase voltage-voltage phase angle

 

Also, please comment if all the above 9 angles can be measured/read via ADE if the connection is 3P,4W and 3P3W.

 

Best Regards,

Wajahath

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