Poznámky redaktora
1s 10% The data
± 10% s
UF 0..2.2 Table easurem ents
Type measurement Standard operation range
Range values measured the relay Range Tolerance %
Phase and neutral currents 0,05 .1s The data
± 10% s
RV
(t= k)
H 0. 0,3 1,5
Internal ground fault current
(internal source round return)
0,05 ..01 fn
0..... 0,3 .. 2.01 fn
0..12.05 Un
0.1s t8< step 0. 0,3 .02 Pn
0..99 fn
step 0..1s The data
± 10% s
13. 0,2
Instantaneous active power the
single phase and total system
0,02 .1s data
± 10% s
O V
(t= k)
H 1..5xUn 0. 0,3 2,5
Reactive energy 0,02 .5s t10< step 0.05xUn U9< 1.. 0,3 2,5
Instantaneous reactive power the
single phase and total system
0,02 . 0,3 1,5
Phase-to-phase and phase voltages
(measured the module's input
and thus independent the precision
relating the use any VT)
10 ....9.1xUn U10< 0.01xUn
0. 1,1x690 Vconc conc .... 0,3 1,5
External ground fault current
(external source round return)
0,05 .... 0,3 2,5
Instantaneous apparent power on
the single phase and total system
0,02 ...95xUn
step 0.3xPn< P11<-0.1s t9< step 0.5s The data
± 10% s
(tR
P
)
H 0.9 f12< 0..5s t13< step 0.9.12.1xPn
step 0... 1,1x690 Vconc conc 1
Peak factor 0,1 0,3 1,5
Total power factor 0,1 0,5 2,5
Mains frequency .13. 1,1x690 Vconc conc .01 xUn
0.5s t12< step 0.. 0,3 2,5
Active energy 0,02 ..
50/158
.1s The data
± 10% s
O 1..5s t11< step 0..01fn f13< 1,1fn
step 0. 2,5
Apparent energy 0,02 ... .5
Model L2234 Apparatus Scale
L 2778
Doc-No- 2
Page No. 1,1x690 Vconc conc 1
Residual voltage
(for systems with neutral only)
10 .2.1 Summary the additional protection functions for the PR122/P with the optional PR120/V module
Protection
Disabling
Disabling
ofTRIPonly
Zone
selectivity
Start-upthreshold
or
£
e
E al
£ er
h
1-
Threshold Range Time Range olerance
threshold (2)
Tim e
Tolerance (2)
UV
(t k)
0 0.2xUn
step 0...4xUn
step 0
