Poznámky redaktora
.01fn f13< 1,1fn
step 0.. 0,3 2,5
Instantaneous apparent power on
the single phase and total system
0,02 .1s The data
± 10% s
O 1..1s The data
± 10% s
13. 0,2
Instantaneous active power the
single phase and total system
0,02 . 2...13.
50/158
. 1,1x690 Vconc conc ...... 2,5
Apparent energy 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 . 0,3 1,5
External ground fault current
(external source round return)
0,05 . 0,3 1,5
Internal ground fault current
(internal source round return)
0,05 ..1s t9< step 0.12. ..9.9 f12< 0.2 Table easurem ents
Type measurement Standard operation range
Range values measured the relay Range Tolerance %
Phase and neutral currents 0,05 .4xUn
step 0.5s The data
± 10% s
(tR
P
)
H 0.. 1,1x690 Vconc conc 1
Residual voltage
(for systems with neutral only)
10 .. 0,3 . 0,3 2,5
Reactive energy 0,02 ..5s t12< step 0..5s t10< step 0.. 0,3 2,5
Instantaneous reactive power the
single phase and total system
0,02 ..3xPn< P11<-0.2...1s data
± 10% s
O V
(t= k)
H 1..5
Model L2234 Apparatus Scale
L 2778
Doc-No- 2
Page No.95xUn
step 0.1s The data
± 10% s
RV
(t= k)
H 0.2..01 fn
0....1xUn U10< 0.02 Pn
0..1s t8< step 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 .12....1xPn
step 0. 1,1x690 Vconc conc .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 0.01xUn
0.2xUn
step 0..01 fn
0.5xUn 0.5s t11< step 0.. 0,3 2,5
Active energy 0,02 . 0,3 .01 xUn
0.99 fn
step 0.05xUn U9< 1..1s 10% The data
± 10% s
UF 0.05 Un
0.5s t13< step 0.9.
