Eaton Power Xpert PXR 10, Руководство пользователя

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3 Protection and measurement functions
3.1 Trip unit functions
PXR Electronic trip unit 01/21 MN012005EN www.eaton.com
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3 Protection and measurement functions
3.1 Trip unit functions
The following table lists the available functions for the various PXR trip unit
types.
Table 9: Overview of the available functions
3.2 Protection functions
Table 10: Protection functions
PXR
version Release
O
ver
load
pr
ote
c
tion
Shor
t-time delay
ed s
hort-
cir
cuit
pr
otection
Ins
tantaneous shor
t-
cir
c
ui
t pr
ote
c
tion
Gr
ou
nd
-f
au
lt p
ro
te
cti
on
A
R
MS mainte
na
nce
mod
e
ZSI
z
o
ne
-se
le
ctiv
e
in
ter
loc
k
ing
Cu
rr
ent measu
re
m
en
t
D
a
ta
co
llectio
n in
cl.
Class 1 e
ner
gy
me
ter
ing
USB
interface
Co
mmun
icatio
ns e
nab
led
Status LED O
ver
load
LED
/
indic
a
tor
Tr
ip
-r
ea
so
n in
dic
a
tor
Inter
face module
Rel
ay module
(optional)
PXR10 -AX ✓ – ✓ – – – ✓ – ✓ – ✓ ✓ – – –
PXR20 -MX ✓ – ✓ – – – ✓ – ✓ ✓ ✓ ✓ ✓ opti
onal ✓
-VX ✓ ✓ ✓ – – – ✓ – ✓ ✓ ✓ ✓ ✓ opti
onal ✓
-VX…-T ✓ ✓ ✓ ✓ – – ✓ – ✓ ✓ ✓ ✓ ✓ opti
onal ✓
PXR25 -PX ✓ ✓ ✓ – – – ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
-PX…-TZ(TAZ) ✓ ✓ ✓ ✓ ✓
1)
✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
-PMX ✓ – ✓ – – – ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
1) NZM3 and NZM4 only
Trip unit Release I
r
t
r
I
sd
t
sd
I
i
I
g
t
g
PXR10 -AX(-NA) ✓ – – – ✓ – –
PXR20 -MX(-NA) ✓ ✓ – – ✓ – –
-VX(-NA) ✓ ✓ ✓ ✓ ✓ – –
-VX…-T(-NA) ✓ ✓ ✓ ✓ ✓ ✓ ✓
PXR25 -PX(-NA) ✓ ✓ ✓ ✓ ✓ – –
-PXM(-NA) ✓ ✓ – – ✓ – –
-PX...-TZ(TAZ)(-NA) ✓ ✓ ✓ ✓ ✓ ✓ ✓