Poznámky redaktora
12.5s The data
± 10% s
(tR
P
)
H 0.1s The data
± 10% s
O 1.5s t12< step 0.01 fn
0..1xUn U10< 0.2 Table easurem ents
Type measurement Standard operation range
Range values measured the relay Range Tolerance %
Phase and neutral currents 0,05 ..99 fn
step 0...95xUn
step 0. 0,3 1,5
Internal ground fault current
(internal source round return)
0,05 ... 1,1x690 Vconc conc ..01xUn
0. 0,3 2,5
Active energy 0,02 .3xPn< P11<-0.01 fn
0.5
Model L2234 Apparatus Scale
L 2778
Doc-No- 2
Page No.5s t13< step 0.9 f12< 0.1s t9< step 0.......5s t11< step 0. 0,3 1,5
External ground fault current
(external source round return)
0,05 ...5s t10< step 0.2. 0,3 .. 2.2xUn
step 0.1 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..12. 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 ..1s t8< step 0. 0,2
Instantaneous active power the
single phase and total system
0,02 .5xUn 0..01fn f13< 1,1fn
step 0.. 0,3 2,5
Instantaneous apparent power on
the single phase and total system
0,02 ..
50/158
..2.13...01 xUn
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 . 0,3 2,5
Instantaneous reactive power the
single phase and total system
0,02 .. 0,3 .1s The data
± 10% s
RV
(t= k)
H 0.02 Pn
0.05xUn U9< 1..1s data
± 10% s
O V
(t= k)
H 1. 0,3 2,5
Reactive energy 0,02 . . 2,5
Apparent energy 0,02 .9.9.4xUn
step 0. 1,1x690 Vconc conc ....1xPn
step 0..1s The data
± 10% s
13...1s 10% The data
± 10% s
UF 0. 1,1x690 Vconc conc 1
Residual voltage
(for systems with neutral only)
10 ...05 Un
0
