Surface-mounting
4 Press the “down” key for x Now the “up” and “down” keys for
8.1 Measured Values
04 40 OMEAS: Frequency f Fig. 73
Display of system frequency.
04 41 OMEAS: Volt. VN-G prim. Fig. 73
04 42 OMEAS: Volt. VN-G p.u. Fig. 73
Display of the updated value for the neutral- point displacement voltage as a primary quantity or referred to Vnom.
04 43 OMEAS: Current IN prim. Fig. 73
04 44 OMEAS: Current IN p.u. Fig. 73
Display of the updated ground current value as a primary quantity or referred to Inom. Either the current calculated by the PD 521 or - if ground-fault direction determination using steady-state values is ready – the measured current is displayed.
04 45 OMEAS: Curr. IN,act p.u. Fig. 59
Display of the updated value of the active ground current component referred to Inom.
04 46 OMEAS: Curr. IN,reac p.u. Fig. 59
Display of the updated value of the reactive ground current component referred to Inom.
04 47 OMEAS: Current IN filt. p.u. Fig. 73
Display of the updated value for the harmonic content of the ground current, referred to Inom. This is only displayed if steady-state current evaluation is enabled.
04 50 OMEAS: Act. power P prim. Fig. 74
04 51 OMEAS: Act. power P p.u. Fig. 74
Display of the updated value of active power as a primary quantity or referred to S .
04 55 OMEAS: Load angle phi A Fig. 74
04 56 OMEAS: Load angle phi B Fig. 74
04 57 OMEAS: Load angle phi C Fig. 74
Display of the updated load angle value in phases A, B and C.
05 40 OMEAS: Current A prim. Fig. 73
05 41 OMEAS: Current A p.u. Fig. 73
Display of the updated phase current value in A as a primary quantity or referred to Inom.
05 42 OMEAS: Voltage A-G prim. Fig. 73
05 43 OMEAS: Voltage A-G p.u. Fig. 73
Display of the updated value for the phase- to-ground voltage A-G as a primary value or referred to Vnom.
05 44 OMEAS: Voltage A-B prim. Fig. 73
05 45 OMEAS: Voltage A-B p.u. Fig. 73
Display of the updated value for the phase- to-phase voltage A-B as a primary value or referred to Vnom.
06 40 OMEAS: Current B prim. Fig. 73
06 41 OMEAS: Current B p.u. Fig. 73
Display of the updated value for the phase current in B as a primary quantity or referred to Inom.
06 42 OMEAS: Voltage B-G prim. Fig. 73
06 43 OMEAS: Voltage B-G p.u. Fig. 73
Display of the updated value for the phase- to-ground voltage B-G as a primary quantity or referred to Vnom.
06 44 OMEAS: Voltage B-C prim. Fig. 73
06 45 OMEAS: Voltage B-C p.u. Fig. 73
Display of the updated value for the phase- to-phase voltage B-C as a primary quantity or referred to Vnom.
07 40 OMEAS: Current C prim. Fig. 73
07 41 OMEAS: Current C p.u. Fig. 73
Display of the updated phase current value in C as a primary quantity or referred to Inom.
04 21 FMEAS: Operating time Fig. 78
Display of the operating time of the last fault. The operating time is defined as the time between starting and ending of PD 521 general starting.
04 22 FLOC: Fault location Fig. 79
The fault location of the last fault is displayed in km.
This value is only displayed if the fault has been detected by the PD 521’s distance protection function.
04 23 FMEAS: Fault impedance Fig. 79
The fault impedance of the last fault is displayed in 9.
This value is only displayed if the fault has been detected by the PD 521’s distance protection function.
04 24 FMEAS: Fault loop angle Fig. 79
The fault angle of the last fault is displayed in degrees.
This value is only displayed if the fault has been detected by the PD 521’s distance protection function. If fault voltages are lower than 2 V, the set angle = is displayed.
04 25 FMEAS: Fault current p.u. Fig. 79
The fault current of the last fault is displayed referred to Inom.. If the fault was detected by the PD 521’s distance protection function, a phase current is displayed depending on the measuring loop selected. If the fault was detected by the backup overcurrent-time protection function, then the maximum phase current is displayed.
04 26 FMEAS: Fault voltage p.u. Fig. 79
The fault voltage of the last fault is displayed referred to Vnom.
This value is only displayed if the fault has been detected by the PD 521’s distance protection function.
04 27 FLOC: Fault location % Fig. 79
The fault location of the last fault is displayed referred to the “F L O C : L i n e r e a c t a n c e ” setting.
This value is only displayed if the fault has
04 28 FMEAS: Fault reactance Fig. 79
Display of the fault reactance of the last fault in 9 as secondary quantity.
This value is only displayed if the fault has been detected by the PD 521’s distance protection function.
04 29 FMEAS: Fault react. prim. Fig. 79
Display of the fault reactance of the last fault in 9 as primary quantity.
This value is only displayed if the fault has been detected by the PD 521‘s distance protection function.
04 37 FMEAS: Load impedance Fig. 80
Display of load impedance in 9 when distance protection starting ends.
This value is only displayed if the fault has been detected by the PD 521’s distance protection function.
04 38 FMEAS: Load angle Fig. 80
Display of the load angle in degrees when distance protection starting ends.
This value is only displayed if the fault has been detected by the PD 521‘s distance protection function.
04 39 FMEAS: Residual current Fig. 80
Display of the ground current of the last fault referred to Inom.
This value is only displayed if the fault has been detected by the PD 521‘s distance protection function.
04 48 FMEAS: GF angle Fig. 79
Display of the ground fault angle of the last fault in degrees.
This value is only displayed if the PD 521’s distance protection function selects a phase- to-ground loop for measurement.
04 49 FMEAS: Fault IN p.u. Fig. 79
Display of the ground fault current of the last fault referred to Inom.
This value is only displayed if the PD 521’s distance protection function selects a phase- to-ground loop for measurement.
09 20 GFDSS: Voltage VN-G p.u. Fig. 66
09 21 GMEAS: Current IN p.u. Fig. 66
Display of the ground current of the last ground fault referred to Inom.
This value is only displayed if the steady-state power evaluation function of ground fault direction determination is activated.
09 22 GMEAS: Curr. IN,act p.u. Fig. 66
Display of the active component of the ground current of the last ground fault referred to Inom.
This value is only displayed if the steady-state power evaluation function of ground fault direction determination is activated.
09 23 GMEAS: Curr. IN,reac p.u. Fig. 66
Display of the reactive component of the ground current of the last ground fault referred to Inom.
This value is only displayed if the steady-state power evaluation function of ground-fault direction determination is activated.
09 24 GMEAS: GF durat.steady-st Fig. 64
Display of the ground fault duration of the last ground fault when steady-state power
evaluation is being carried out by the ground fault direction determination function.
09 25 GMEAS: IN filtered p.u. Fig. 66
Display of the ground current component of the last ground fault with the set filter frequency, referred to Inom.
09 26 GMEAS: GF durat. curr.meas Fig. 65
Display of the ground fault duration of the last ground fault when steady-state current evaluation is being carried out.