PowerLogic P3 Applications

PowerLogic P3 Applications

Protection Functions

Protection functions ANSI code Standard (P3U) Advanced (P3x)
P3U30 P3F30 P3M30 P3M32 P3G30 P3G32 P3T32

Distance

21

—

—

—

—

—

—

—

Under-impedance

21G

—

—

—

—

2

2

—

Fault locator

21FL

1

1

—

—

—

—

—

Overfluxing

24

—

—

—

—

1

1

1

Synchro-check

25

2

2

2

2

2

2

2

Undervoltage

27

3

3

3

3

3

3

3

Positive sequence undervoltage

27P

—

—

—

—

2

2

—

Stator ground-fault detection

27TN/64G

—

—

—

—

1

1

—

Directional active underpower

32

2

2

2

2

2

2

2

Phase undercurrent

37

1

—

1

1

—

—

—

Temperature monitoring

38/49T

12 [1]

12 [1]

12 [1]

12 [1]

12 [1]

12 [1]

12 [1]

Loss of field

40

—

—

—

—

1

1

—

Under-reactance

21/40

—

—

—

—

2

2

—

Negative sequence overcurrent (motor, generator)

46

2

—

2

2

2

2

2

Current unbalance, broken conductor

46BC

—

1

—

—

—

—

—

Incorrect phase sequence

47

1

—

1

1

—

—

—

Excessive start time, locked rotor

48/51LR

1

—

1

1

—

—

—

Thermal overload

49

1

1

1

1

1

1

1

Phase overcurrent

50/51

3

3

3

3

3

3

3

Ground fault overcurrent

50N/51N

5

5

5

5

5

5

5

Breaker failure

50BF

1

1

1

1

1

1

1

Switch On To Fault (SOTF)

50HS

1

1

1

1

1

1

1

Capacitor bank unbalance

51C

2

2

2

2

2

2

2

Voltage dependant overcurrent

51V

1

1

—

—

1

1

—

Overvoltage

59

3

3

3

3

3

3

3

Capacitor overvoltage

59C

—

1

—

—

—

—

—

Neutral voltage displacement

59N

3

2

2

2

2

2

2

CT supervision

60

1

1

1

1

1

2

2

VT supervision

60FL

1

1

1

1

1

1

1

Stator ground fault

64S

—

—

—

—

1

1

—

Frequent start inhibition

66

1

—

1

1

—

—

—

Directional phase overcurrent

67

4

4

4

4

4

4

4

Directional ground-fault o/c

67N

3

3

3

3

3

3

3

Transient intermittent

67NI

—

1

—

—

—

—

—

Magnetizing inrush detection

68F2

1

1

1

1

1

1

1

Fifth harmonic detection

68H5

1

1

1

1

1

1

1

Pole slip

78PS

—

—

—

—

1

1

—

Auto-recloser

79

—

5

—

—

—

—

—

Over or under frequency

81

2/2

2/2

2/2

2/2

2/2

2/2

2/2

Rate of change of frequency

81R

1

1

1

1

1

1

1

Under frequency

81U

2

2

2

2

2

2

2

Lockout

86

1

1

1

1

1

1

1

Line differential

87L

—

—

—

—

—

—

—

Machine differential

87M

—

—

—

2

—

2

—

Transformer differential

87T

—

—

—

—

—

—

2

Programmable stages

99

8

8

8

8

8

8

8

Arc-flash detection stages

—

—

8

8

8

8

8

8

Cold load pick-up

—

1

1

1

1

1

1

1

Programmable curves

—

3

3

3

3

3

3

3

Setting groups[2]

—

4

4

4

4

4

4

4

Control Functions

Control functions Standard (P3U) Advanced (P3x)
P3U30 P3F30 P3M30 P3M32 P3G30 P3G32 P3T32

Switchgear control and monitoring

6

6

6

6

6

6

6

Switchgear monitoring only

2

2

2

2

2

2

2

Programmable switchgear interlocking

●

●

●

●

●

●

●

Local control on single-line diagram

●

●

●

●

●

●

●

Local control with O/I keys

●

●

●

●

●

●

●

Local/remote function

●

●

●

●

●

●

●

Function keys

2

2

2

2

2

2

2

Custom logic (logic equations)

●

●

●

●

●

●

●

Control with Smart application

●

●

●

●

●

●

●






Measurement

Measurement Standard (P3U) Advanced (P3x)
P3U30 P3F30 P3M30 P3M32 P3G30 P3G32 P3T32

RMS current values

●

●

●

●[3]

●

●[3]

●[3]

RMS voltage values

●

●

●

●

●

●

●

RMS active, reactive and apparent power

●

●

●

●

●

●

●

Frequency

●

●

●

●

●

●

●

Fundamental frequency current values

●

●

●

●[3]

●

●[3]

●[3]

Fundamental frequency voltage values

●

●

●

●

●

●

●

Fundamental frequency active, reactive and apparent power values

●

●

●

●

●

●

●

Power factor

●

●

●

●

●

●

●

Energy values active and reactive

●

●

●

●

●

●

●

Energy transmitted with pulse outputs

●

●

●

●

●

●

●

Demand values: phase currents

●

●

●

●

●

●

●

Demand values: active, reactive, apparent power and power factor

●

●

●

●

●

●

●

Minimum and 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

●

●

●

●

●

●

●

Maximum and minimum values: frequency

●

●

●

●

●

●

●

Maximum and minimum values: active, reactive, apparent power and power factor

●

●

●

●

●

●

●

Harmonic values of phase current and THD

●

●

●

●[3]

●

●[3]

●[3]

Harmonic values of voltage and THD

●

●

●

●

●

●

●

Voltage sags and swells

●

●

●

●

●

●

●

Logs and Records

Logs and Records Standard (P3U) Advanced (P3x)
P3U30 P3F30 P3M30 P3M32 P3G30 P3G32 P3T32

Sequence of event record

●

●

●

●

●

●

●

Disturbance record

●

●

●

●

●

●

●

Tripping context record

●

●

●

●

●

●

●

Monitoring Functions

Monitoring functions Standard (P3U) Advanced (P3x)
P3U30 P3F30 P3M30 P3M32 P3G30 P3G32 P3T32

Trip circuit supervision (ANSI 74)

1

1

1

1

1

1

1

Circuit breaker monitoring

1

1

1

1

1

1

1

Relay monitoring

●

●

●

●

●

●

●

Footnotes

  1. Using external RTD module
  2. Not all protection functions have 4 setting groups. See details in the manual.
  3. Function available on both sets of CT inputs
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