Poznámky redaktora
12...05 Un
0. 1,1x690 Vconc conc .1s data
± 10% s
O V
(t= k)
H 1..5s t13< step 0.99 fn
step 0.9 f12< 0. 0,3 2,5
Instantaneous reactive power the
single phase and total system
0,02 .5s The data
± 10% s
(tR
P
)
H 0.1s The data
± 10% s
13... 0,3 ..95xUn
step 0....01fn f13< 1,1fn
step 0. ..01 fn
0.5xUn 0.1s The data
± 10% s
O 1.9. 1,1x690 Vconc conc 1
Residual voltage
(for systems with neutral only)
10 ..1s t9< step 0. 0,3 1,5
Internal ground fault current
(internal source round return)
0,05 .01 fn
0..13.... 2. 2,5
Apparent energy 0,02 .2 Table easurem ents
Type measurement Standard operation range
Range values measured the relay Range Tolerance %
Phase and neutral currents 0,05 .5
Model L2234 Apparatus Scale
L 2778
Doc-No- 2
Page No.12....3xPn< P11<-0...9. 0,3 1,5
External ground fault current
(external source round return)
0,05 .4xUn
step 0..02 Pn
0. 0,3 .2. 0,3 2,5
Reactive energy 0,02 .01xUn
0. 0,3 2,5
Active 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 .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...1s 10% The data
± 10% s
UF 0.01 xUn
0. 0,3 2,5
Instantaneous apparent power on
the single phase and total system
0,02 .1xPn
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 .05xUn U9< 1.5s t12< step 0.2xUn
step 0.1s The data
± 10% s
RV
(t= k)
H 0. 0,2
Instantaneous active power the
single phase and total system
0,02 . 1,1x690 Vconc conc .1xUn U10< 0..5s t10< step 0.1s t8< step 0....5s t11< step 0..2.
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