Poznámky redaktora
05 Un
0.9.1 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 2,5
Instantaneous reactive power the
single phase and total system
0,02 .1xUn U10< 0.1s t9< step 0..01 fn
0.2 Table easurem ents
Type measurement Standard operation range
Range values measured the relay Range Tolerance %
Phase and neutral currents 0,05 ...9...2.99 fn
step 0. 0,3 .1xPn
step 0. 0,2
Instantaneous active power the
single phase and total system
0,02 .01 fn
0.4xUn
step 0. 2..5s t12< step 0.01 xUn
0...1s t8< step 0.5s t13< step 0. 0,3 1,5
External ground fault current
(external source round return)
0,05 . 2,5
Apparent energy 0,02 ...1s The data
± 10% s
RV
(t= k)
H 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 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 The data
± 10% s
13. 1,1x690 Vconc conc .05xUn U9< 1..3xPn< P11<-0. 0,3 2,5
Reactive energy 0,02 ...2xUn
step 0.01fn f13< 1,1fn
step 0.5xUn 0... 0,3 2,5
Instantaneous apparent power on
the single phase and total system
0,02 .13...5
Model L2234 Apparatus Scale
L 2778
Doc-No- 2
Page No. 0,3 2,5
Active energy 0,02 .01xUn
0. 1,1x690 Vconc conc ... ..95xUn
step 0. 1,1x690 Vconc conc 1
Residual voltage
(for systems with neutral only)
10 ... 0,3 .5s The data
± 10% s
(tR
P
)
H 0.1s data
± 10% s
O V
(t= k)
H 1.5s t11< step 0.5s t10< step 0..1s 10% The data
± 10% s
UF 0..1s The data
± 10% s
O 1..02 Pn
0...9 f12< 0...12.... 0,3 1,5
Internal ground fault current
(internal source round return)
0,05 .2.12.
50/158
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