P92x/EN FT/E11
Technical Guide
User Guide
Page 92/110
MiCOM P921-P922-P923
-
Additional alarms for the MiCOM P923 :
Alarm
Significance
df/dt1
1
st
stage of the rate of change of frequency information
df/dt2
2
nd
stage of the rate of change of frequency information
df/dt3
3
rd
stage of the rate of change of frequency information
df/dt4
4
th
stage of the rate of change of frequency information
df/dt5
5
th
stage of the rate of change of frequency information
df/dt6
6
th
stage of the rate of change of frequency information
EQUATION C time delayed result of the "C" logic equation
EQUATION D time delayed result of the "D" logic equation
13.1.2
"Relay" ALARMS
Any software or hardware fault of the MiCOM relay generates an
“hardware/software” alarm.
If an hardware error appears, the following prompt will appear :
HARDWARE ALARMS
If the
1
key is pressed, the significance of the hardware problem is then indicated :
for example,
RAM ERROR
1/1
The “Warning” LED will blink. The reset of these alarms is not possible. Only the
disappear of their cause will lead to their reset.
Summary of Contents for MiCOM P921
Page 1: ...MiCOM P921 P922 P923 Voltage and Frequency Relays Technical guide P92x EN T E11...
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Page 4: ...P92x EN T00 E11 Technical Guide Content Page 2 2 MiCOM P921 P922 P923 BLANK PAGE...
Page 5: ...Technical Guide Px2xx EN SS A11 SAFETY SECTION SAFETY SECTION...
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Page 8: ...Px2xx EN SS A11 Technical Guide SAFETY SECTION Page 2 6 BLANK PAGE...
Page 12: ...Px2xx EN SS A11 Technical Guide SAFETY SECTION Page 6 6 BLANK PAGE...
Page 13: ...Technical Guide P92x EN GS E11 MiCOM P921 P922 P923 aBCD Getting Started...
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Page 16: ...P92x EN GS E11 Technical Guide Getting Started Page 2 18 MiCOM P921 P922 P923 aBCD BLANK PAGE...
Page 33: ...Technical Guide P92x EN CO E11 MiCOM P921 P922 P923 aBCD Connection Diagrams...
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Page 45: ...Technical Guide P92x EN TD E11 MiCOM P921 P922 P923 Technical Data...
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Page 50: ...P92x EN TD E11 Technical Guide Technical Data Page 4 30 MiCOM P921 P922 P923 BLANK PAGE...
Page 76: ...P92x EN TD E11 Technical Guide Technical Data Page 30 30 MiCOM P921 P922 P923 BLANK PAGE...
Page 77: ...Technical Guide P92x EN FT E11 MiCOM P921 P922 P923 User Guide...
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Page 258: ...P92x EN CT E11 Technical Guide Courier Database Page 68 118 MiCOM P921 P922 P923 BLANK PAGE...
Page 296: ...P92x EN CT E11 Technical Guide Courier Database Page 106 118 MiCOM P921 P922 P923 BLANK PAGE...
Page 298: ...P92x EN CT E11 Technical Guide IEC 60870 5 103 Page 108 118 MiCOM P921 P922 P923 BLANK PAGE...
Page 308: ...P92x EN CT E11 Technical Guide IEC 60870 5 103 Page 118 118 MiCOM P921 P922 P923 BLANK PAGE...
Page 309: ...Technical Guide P92x EN IN E11 MiCOM P921 P922 P923 abcd Installation...
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Page 312: ...P92x EN IN E11 Technical Guide Installation Page 2 10 MiCOM P921 P922 P923 abcd BLANK PAGE...
Page 319: ...P92x EN IN E11 Technical Guide Installation Page 10 10 MiCOM P921 P922 P923 abcd BLANK PAGE...
Page 320: ...Technical Guide P92x EN CM E11 MiCOM P921 P922 P923 abcd Commissioning Guide...
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Page 351: ...Technical Guide P92x EN RS E11 MiCOM P921 P922 P923 Test Report...
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Page 354: ...P92x EN RS E11 Technical Guide Test Report Page 2 22 MiCOM P921 P922 P923 BLANK PAGE...
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