- 192 -
Use of Application Diagrams With Respect to Functions
Note 1: If a diagram number is shown in brackets, it means that the related function can be triggered externally
by the triggering method shown on the diagram or internally by using relay menus.
Note 2: The table is valid after Fundamental Cabling Diagram is applied.
Symbol
Description
Application
Diagram No.
I>
Phase Overcurrent 1st Threshold Protection
-
I>>
Phase Overcurrent 2nd Threshold Protection
-
I>>>
Phase Overcurrent 3rd Threshold Protection
-
I
e
>
Earth Overcurrent 1st Threshold Protection
-
I
e
>>
Earth Overcurrent 2nd Threshold Protection
-
I
e
>>>
Earth Overcurrent 3rd Threshold Protection
-
%(I
2
/I
1
)>
Broken Conductor Protection
-
I
2
>
Negative Sequence Overcurrent 1st Threshold Protection
-
I
2
>>
Negative Sequence Overcurrent 2nd Threshold Protection
-
I<
Phase Undercurrent Protection
-
I
Θ
>
Thermal Overcurrent Protection
-
-
Frequency Measurement
-
-
RMS Current Measurement
-
-
Fundamental Component Measurement
-
-
Positive & Negative Sequence Measurement
-
-
Thermal Θ Measurement
-
-
Inputs & Outputs Measurement
-
-
Circuit Breaker Measurements - Trip Time
3
-
Circuit Breaker Measurements - Close Time
3
-
Circuit Breaker Measurements - Trip Numerator
-
-
Circuit Breaker Measurements - ∑A
-
-
Circuit Breaker Measurements - ∑A²
-
-
Auto-recloser Measurements
3
-
Cold Load Pickup
1
-
Blocking Logic Selectivity
8
-
Circuit Breaker Pole Failure Supervision
-
tAux
Auxiliary Timer
4
-
Delaying Logic Selectivity
8
ARCL
Auto-recloser
3
-
Auto-recloser blockage - Manual
4
-
Reset R1 - R6
4
-
Circuit Breaker Supervision - Trip Time
3
-
Circuit Breaker Supervision - Close Time
3
-
Circuit Breaker Supervision - Charging Spring Failure
6
-
Circuit Breaker Supervision - Trip Numerator
-
-
Circuit Breaker Supervision - ∑A
-
-
Circuit Breaker Supervision - ∑A²
-
-
Circuit Breaker Supervision - Trip Circuit Supervision
9
-
Circuit Breaker Position Indication and Control
1
-
Settings Group Selection
(4)
Watchdog
Inner Circuit Error / Auxiliary Supply Failure Supervision
2
-
Manual Latch Reset for Trip and Programmable Output Relays
(4)
Reset LED
Manual Reset for Alarms and LEDs
(4)
-
Buchholz Alarm for Power Transformer Protection
5
-
Buchholz Trip for Power Transformer Protection
5
-
Thermometer Trip for Power Transformer Protection
5
-
Thermometer Alarm for Power Transformer Protection
5
-
Pressure Trip for Power Transformer Protection
5
-
Alarming over Output Relays
7
-
Manual Starting of Waveform Recording
4
-
RS485 Cabling
10
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Summary of Contents for CPM 310 G
Page 1: ...CPM 310 G Digital Overcurrent Protection Relay User Application Manual vEN 2016 03...
Page 2: ...2...
Page 6: ...6 ABOUT DEMA...
Page 11: ...11 INTRODUCTION...
Page 32: ...32 PACKING LABELING INFORMATION...
Page 34: ...34 OPERATING MANUAL...
Page 53: ...53 RELAY MENUS MANUAL...
Page 55: ...55 The Menu Tree...
Page 56: ...56...
Page 57: ...57...
Page 58: ...58...
Page 59: ...59...
Page 60: ...60...
Page 61: ...61...
Page 128: ...128 DIGICONNECT PC PROGRAM MANUAL...
Page 189: ...189 APPLICATION DIAGRAMS...
Page 191: ...191 Sample Power Transformer Protection Application Diagram...
Page 193: ...193 FUNDAMENTAL CABLING DIAGRAM...
Page 203: ...203 APPLICATION DIAGRAM NO 10 RS485 Cabling...
Page 204: ...204 TECHNICAL DATA...
Page 220: ...220 GLOSSARY...