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AFQm
Instruction Manual
7.9.- TRANSFORMER CONFIGURATION
Note: This screen is not visible on the “slave” devices.
The transformers that will be installed with the device are configured in this screen, Figure 78:
Figure 78: Configuration screen: Transformer configuration.
● Num transformers
The number of transformers that will be installed is configured with this parameter, the options are:
2. This option can only be used on the 3-wire model, AFQm-3WF-xxxx
3.
With the option of 2 transformers, you should install a transformer measuring the L1
phase and another measuring the L2 phase. The L3 phase is left without a measuring
transformer.
In three-phase mains with neutral, 3 transformers are needed to ensure the correct
operation of the device.
● Position
The location of the transformers is configured with this parameter, the options are:
LOAD: If the transformers are installed in the load area, downstream from the AFQm.
MAINS: If the transformers are installed in the mains area, upstream from the AFQm.
● Ratio
The transformer ratio is configured with this parameter, i.e., the ratio between the transformer primary
and secondary.
Range of values:
Minimum value: 5 A
Maximum value: 5000 A
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