11
Fig 3. Meter connection diagrams in a:
a) single-phase network, b) 3-phase - 3 wire network,
c) 3-phase - 4-wire network
Semi-indirect measurement
in a 4-wire network.
Indirect measurement with
the use of 3 current trans-
formers and 2 or 3 voltage
transformers in a
4-wire network.
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