Advertisement
GEH-764A8
Polyphase Switchboard WaHhour Meters
�---,
I
I
I r;; � �
I
J
.
_j
_____
(a)
Types DS-19 and DS-34,
3-wire, 2- and 3 -phase,
and 4-wire, 2-phase
Fig. 13.
Internal connections (front views)
Sour-c:c
load
With Current Transformers
NOTE:
Connections for Types DS-19 and DS-34, 3-wire, single-,
Fig. 15.
12
. � .S F
SCHEMATIC CONNECTION DIAGRAMS
I
! :
.
I
.
I
.
I
.
I
I
I
I
I
I
I
!
I
.
� � .
i L:::¥
I
:
I
I
:x . 0=1:\
I
I
�-- '� �
.
I
�
_j
I
.
'--- -!: --
__
(b)
Types DS-20 and DS-35,
4-wire, 3-phase
For 3-wire, 2-phase circuits, wire
For 3-wire single-phase circuits, wire
Pot&ntial
"-'"'--''-=.Tj
indiutinq
� ,
tamp$
.
. .
L
_J
___
r-·�
i
I
Auxiliary
windinq
(a)
T ypes D S - 1 9 , D S-34,
DS-38, and DS-40
Fig. 14. Showing connections of.open potential
circuit indicating lamps to auxiliary potential
windings (front views)
Source
.,..
Fuscu
Potcnt•el
Transformer-
••
Currcr'lt
Tran!>formcr
load
With Current and Potential Transformers
"A"
should be the common return.
"A"
should be the neutral.
2-,
or 3-phase (back views)
(b)
Types D S - 2 0, DS-35,
DS-39, and DS-41
r·-o-1
.
I
I .
L.__s;_J
Advertisement
