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Symmetra PX1-PX2; How to interpret the loading displayed in Symmetra PX

FA157308

16/05/2014


 
 
Issue:
How to interpret the loading displayed in Symmetra PX 
 
Product line:
Symmetra PX1-PX2
 
Environment:
All models, all serial numbers
 
Cause:
 The opening screen of Powerview shows loading of the heavily loaded phase in Symmetra PX.
 


Resolution:
Typical loading data from Symmetra PX unit is give below as an example

When Powerview opening screen showed “loading 24%”, the actual loading on each of the phases recorded in powerview is as below
 
Phase
Loading in KVA
Current in Amps
% loading per phase
L1
0.93
3A
13%
L2
1.66
6A
24%
L3
0.67
2A
10%
 
As seen from the above example the front screen shows the highest loaded phase and not average as commonly interpreted by many customers