PowerLogic P5 Applications
PowerLogic P5 Applications
Protection Functions
Protection Functions | ANSI code | P5F30 | P5L30 | P5M30 | P5T30 |
---|---|---|---|---|---|
Current protection |
|||||
Phase overcurrent |
50/51 |
6 |
6 |
6 |
6 |
Earth/ground fault overcurrent[1] |
50N/51N |
6 |
6 |
6 |
6 |
Directional phase overcurrent |
67 |
6 |
6 |
4 |
6 |
Directional earth/ground fault overcurrent |
67N |
6 |
6 |
6 |
6 |
Transient intermittent/ground fault |
67NI |
1 |
1 |
— |
— |
Neutral admittance |
21YN |
2 |
2 |
2 |
— |
Negative sequence overcurrent |
46 (I2/I1) |
2 |
2 |
2 |
2 |
Current unbalance, Broken conductor |
46BC (I2) |
2 |
2 |
— |
2 |
Breaker failure |
50BF |
1 |
1 |
1 |
2 |
Phase undercurrent |
37 |
1 |
1 |
1 |
— |
Switch on to fault (SOTF) |
50HS |
1 |
1 |
1 |
— |
Cold load pickup (CLP or CLPU) |
— |
1 |
1 |
1 |
— |
Voltage protection |
|||||
Undervoltage |
27 |
3 |
3 |
3 |
— |
Overvoltage |
59 |
3 |
3 |
3 |
— |
Earth/ground fault overvoltage |
59N |
3 |
3 |
3 |
3 |
Negative sequence overvoltage |
47 |
2 |
2 |
2 |
— |
Frequency protection |
|||||
Over and/or underfrequency |
81 |
2 |
2 |
2 |
— |
Underfrequency |
81U |
8 |
8 |
2 |
— |
Rate of change of frequency |
81R |
9 |
9 |
8 |
— |
Thermal protection |
|||||
Thermal overload |
49 |
1 |
1 |
1 |
1 |
Temperature monitoring |
38 |
16 |
16 |
16 |
16 |
Power protection |
|||||
Wattmetric earth/ground fault |
32N |
2 |
2 |
2 |
— |
Directional active underpower |
32/37N |
2 |
2 |
2 |
— |
Rotating machine protection |
|||||
Frequent start inhibition |
66 |
— |
— |
1 |
— |
Motor start-up supervision, locked rotor |
48/51LR |
— |
— |
1 |
— |
Positive sequence undervoltage |
27P |
— |
— |
2 |
— |
Underspeed[2] |
14 |
— |
— |
2 |
— |
Overspeed[2] |
12 |
— |
— |
2 |
— |
Anti-backspin[2] |
ABS |
— |
— |
1 |
— |
Line protection |
|||||
Fault locator |
21FL |
1 |
1 |
— |
— |
Auto-Recloser |
79 |
1 |
1 |
— |
— |
Transformer protection |
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Magnetizing inrush detection |
68H2 |
1 |
— |
1 |
2 |
Fifth harmonic detection |
68H5 |
1 |
1 |
1 |
— |
2-winding transformer differential |
87T | — | — | — | 1 |
Thermostat / Buchholz |
26–63 | — | — | — | 2 |
Capacitor protection |
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Capacitor bank unbalance |
51C |
2 |
— |
— |
— |
Capacitor overvoltage |
59C |
1 |
1 |
— |
— |
Other protection |
|||||
Arc-flash detection |
50ARC |
8 |
8 |
8 |
8 |
Programmable stages |
99 |
8 |
8 |
8 |
8 |
Programmable curves |
— |
3 |
3 |
3 |
3 |
Control, monitoring, supervision |
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Synchronization check |
25 |
1 |
1 |
— |
— |
Lockout relay |
86 |
1 |
1 |
1 |
1 |
CT supervision |
60 |
1 |
1 |
1 |
2 |
VT supervision |
60 |
1 |
1 |
1 |
— |
Setting groups |
— |
4 |
4 |
4 |
4 |
Control Functions
Control Functions | P5F30 | P5L30 | P5M30 | P5T30 |
---|---|---|---|---|
Control with Mobile application |
● |
● |
● |
● |
Switchgear control and monitoring |
6 |
6 |
6 |
6 |
Switchgear monitoring only |
2 |
2 |
2 |
2 |
Programmable switchgear interlocking |
● |
● |
● |
● |
Local control on single-line diagram |
● |
● |
● |
● |
Local switchgear control with OPEN/CLOSE keys |
● |
● |
● |
● |
Local/remote function |
● |
● |
● |
● |
Function keys |
7 |
7 |
7 |
7 |
Custom logic (equations) |
● |
● |
● |
● |
Measurement Functions
Measurement functions | P5F30 | P5L30 | P5M30 | P5T30 |
---|---|---|---|---|
RMS current values |
● |
● |
● |
● |
RMS voltage values[3] |
● |
● |
● |
● |
RMS active, reactive and apparent power |
● |
● |
● |
|
Frequency |
● |
● |
● |
● |
Fundamental frequency current values |
● |
● |
● |
● |
Fundamental frequency voltage values[3] |
● |
● |
● |
● |
Fundamental frequency active, reactive and apparent power values |
● |
● |
● |
|
Power factor |
● |
● |
● |
|
Motor speed detection[2] |
● |
● |
||
Energy values: active and reactive |
● |
● |
● |
|
Demand values: phase currents |
● |
● |
● |
● |
Demand values: active, reactive, apparent power and power factor |
● |
● |
● |
|
Maximum demand values: phase currents |
● |
● |
● |
● |
Minimum and maximum demand values: RMS phase currents |
● |
● |
● |
● |
Minimum and maximum demand values: active, reactive, apparent power and power factor |
● |
● |
● |
|
Maximum demand values over the last 31 days and 12 months: active, reactive, apparent power |
● |
● |
● |
|
Minimum demand values over the last 31 days and 12 months: active, reactive power |
● |
● |
● |
|
Maximum and minimum values: currents |
● |
● |
● |
● |
Maximum and minimum values: voltages[3] |
● |
● |
● |
● |
Maximum and minimum: frequency |
● |
● |
● |
Logs and Records
Logs and records | P5F30 | P5L30 | P5M30 | P5T30 |
---|---|---|---|---|
Sequence of event record |
● |
● |
● |
● |
Disturbance record |
● |
● |
● |
● |
Tripping context record |
● |
● |
● |
● |
Relay maintenance data log |
● |
● |
● |
● |
Security data log |
● |
● |
● |
● |
Monitoring Functions
Monitoring functions | ANSI code | P5F30 | P5L30 | P5M30 | P5T30 |
---|---|---|---|---|---|
Trip circuit supervision |
74 |
1 |
1 |
1 |
2 |
Circuit breaker monitoring |
— |
1 |
1 |
1 |
1 |
Relay monitoring |
— |
● |
● |
● |
● |