Poznámky redaktora
02 Pn
0.12...2.01fn f13< 1,1fn
step 0.9 f12< 0. 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 .2 Table easurem ents
Type measurement Standard operation range
Range values measured the relay Range Tolerance %
Phase and neutral currents 0,05 .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. 0,3 .. 1,1x690 Vconc conc 1
Residual voltage
(for systems with neutral only)
10 ..12...99 fn
step 0..5
Model L2234 Apparatus Scale
L 2778
Doc-No- 2
Page No.05xUn U9< 1.
50/158
. 0,3 2,5
Reactive energy 0,02 . 1,1x690 Vconc conc .01xUn
0.01 fn
0..1xPn
step 0.1s 10% The data
± 10% s
UF 0. .05 Un
0.1s The data
± 10% s
O 1. 0,3 1,5
Internal ground fault current
(internal source round return)
0,05 ... 2...01 xUn
0. 0,3 2,5
Instantaneous reactive power the
single phase and total system
0,02 ...5xUn 0...1s The data
± 10% s
RV
(t= k)
H 0.1s t8< step 0.5s t11< step 0..1s t9< step 0. 0,3 2,5
Active energy 0,02 ..1s The data
± 10% s
13.9.5s t10< step 0..5s t12< step 0. 0,3 1,5
External ground fault current
(external source round return)
0,05 .1s data
± 10% s
O V
(t= k)
H 1.9. 0,3 .3xPn< P11<-0.13.... 1,1x690 Vconc conc ... 0,2
Instantaneous active power the
single phase and total system
0,02 .. 1,1x690 Vconc conc 1
Peak factor 0,1 0,3 1,5
Total power factor 0,1 0,5 2,5
Mains frequency ..4xUn
step 0.1xUn U10< 0.2xUn
step 0.5s t13< step 0. 2,5
Apparent energy 0,02 . 0,3 2,5
Instantaneous apparent power on
the single phase and total system
0,02 .5s The data
± 10% s
(tR
P
)
H 0.95xUn
step 0.2....01 fn
0.....
