ASY‑206‑077
19
8.Simulationtest
Qualityofthisdeviceisfullyconfirmed,however,simulatingtestcanbecarriedoutunderthefollowing
guidanceinordertoavoidtroubleinadvance.
1)Simulationtest
Aftergivingvoltagebetweenbusinput(betweenterminal1‑2)andgeneratorinput(betweenterminal3‑4)and
whenvoltagedifferenceandfrequencydifferencearewithinthesettingvalue(LEDΔFis“ON”andLEDΔV
is“ON”)andthepulsedifferencebetweenthembecomessmaller,signal(±15°)turns“ON”firstandthencommon
signal(25)turnson.
VoltagedifferenceV
G
≧V
B
+settingvalue:Voltagedecreasesignal(60L)turnson.
VoltagedifferenceV
G
≦V
B
‑settingvalue:Voltageincreasesignal(60R)turnson.
FrequencydifferenceF
G
≧F
B
+settingvalue:Governordecreasesignal(15L)turnson.
FrequencydifferenceF
G
≦F
B
‑settingvalue:Governorincreasesignal(15R)turnson.
Controlwillstopundertherangeoutof90V≦V
B
≦125V,80V≦V
G
IncaseofΔF=0〜±0.05Hz,15R(15Lincaseof“SLOW”sideclosingdesignation)isoutputatintervalsof
3second.
Underabovesimulatingtest,closingcommandsignal(25)isoutput3timescontinuouslyeveryphaseat
synchronizingpoint,becausebusvoltageandgeneratorvoltagedonotsynchronize,itbecomessynchronizing
failure(ALARM)andthecontrolwillstop.