OM 2012
L’
.
1
21
3.
4.
5.
6. -
7.
8.
9.
Overload resistor (16.6 ohm, 25 watt)
Terminal board
Over load current transformer
Ammeter current transformer
Rectifier
I*
Load contactor
Overt oad module
Line drop resistor (50 ohm, 25 watt)
Line drop current transformer
Power Module Pane I Assembly
Figure 13
(c) Over load current transformers
Three overload current tramforrnzrs (3), in coniunction with burden te-
sistcxs (I), monitcr the output load current in each of the three output
phases, and supply a reduced value current signal to the overload
module (7).
l-1
Avg 25 ‘85
Page 31
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