Siemens SICAM P 7KG7750 - Connection; Transformer; Current Transformer

4
4.4 Basic Settings
61Power Meter SICAM P 7KG7750/55, Manual
E50417-B1076-C340-A6, Edition 09.2013
4.4.2 Connection / Transformer
Input connection
As shown in chapter 1.6.4, the connection mode can be selected here.
• Single-phase AC
• Three-phase, four-wire, balanced
• Three-phase, four-wire, unbalanced
• Three-phase, three-wire, balanced
• Three-phase, three-wire, unbalanced ( 2 x I )
• Three-phase, three-wire, unbalanced ( 3 x I )
Three-wire, unbalanced can be selected either with the connection of two current transformers
(standard / Aron measuring circuit) or three current transformers.
4.4.2.1 Current Transformer
• Yes: Current transformers utilized (max. primary: AC 999999 A, secondary: AC 6 A)
• No: Current transformers not utilized
Measuring range
The secondary input current measuring range is selected for the SICAM P as follows:
• 1.2 A: nominal input AC 1 A
• 6 A: nominal input AC 5 A
input connection
*three-wire
unbalanced (3*I)
>current transformer
>voltage transformer
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*current transf.: No
A/ A
*measuring range 1.2A
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