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81901 “MSW_GPC-40/600A”_03-2021_ENG_page 22
Three-phase load
Single-phase load
Ammeter
input
CT
phase 1
(L1)
RMS current
Ld.A_1
Scale limits *
L.tA_1, H.tA_1
Offset
o.tA_1
Filtered input
I.on_1
SCR ON
Low-pass filter
Ft.tA_1
Control output
Ou.P_1
Ammeter
input
CT
RMS current
Ld.A
Scale limits *
L.tA, H.tA
Offset
o.tA
Filtered input
I.on
SCR ON
Low-pass filter
Ft.tA
Control output
Ou.P
Ammeter
input
TA
phase 2
(L2)
RMS current
Ld.A_2
Scale limits *
L.tA_2, H.tA_2
Offset
o.tA_2
Filtered input
I.on_2
SCR ON
Low-pass filter
Ft.tA_2
Control output
Ou.P_2
Ammeter
input
TA
phase 3
(L3)
RMS current
Ld.A_3
Current averages **
Ld.A.t
Scale limits *
L.tA_3
H.tA_3
Offset
o.tA_3
Filtered input
I.on_3
SCR ON
Low-pass filter
Ft.tA_3
Control output
Ou.P_3
GPC-M
GPC-E1
GPC-E2
*) limits depend on the current rating of the device
*) limits depend on the current rating of the device
**) with BIPHASE command the value
Ld.A_3
is calculated as the average of the values
Ld.A_1
and
Ld.A_2
Содержание GPC
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