Square D Digest 179

PowerLogic ™ P Series Protection Relays

PowerLogic P3 Applications

www.se.com/us

Table 5.9: Measurement Measurement

Standard (P3U)

Advanced (P3x)

P3U20

P3U30

P3F30

P3L30

P3M30

P3M32 ● [15]

P3G30

P3G32 ● [15]

P3T32 ● [15]

RMS current values RMS voltage values

● ●

● ● ● ● ●

● ● ● ● ●

● ● ● ● ●

● ● ● ● ●

● ● ● ● ●

● ●

● ●

● ●

RMS active, reactive and apparent power

—

Frequency

● ●

●

●

●

Fundamental frequency current values Fundamental frequency voltage values Fundamental frequency active, reactive and apparent power values 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 andTHD Harmonic values of voltage and THD Power factor

● [15]

● [15]

● [15]

—

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●

●

●

●

●

●

●

—

●

●

●

●

●

●

●

●

— — —

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● ● ● ● ●

● ● ● ● ●

● ● ● ● ●

● ● ● ● ●

● ● ● ● ●

● ● ● ● ●

● ● ● ● ●

●

—

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●

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●

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●

●

—

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—

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—

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—

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●

●

●

●

●

●

●

●

●

●

●

● [15]

●

● [15]

● [15]

—

●

●

●

●

●

●

●

●

Voltage sags and swells

—

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●

●

●

●

●

●

●

Table 5.10: Logs and Records Logs and Records 5 PROTECTION, CONTROL, AND ENERGYAUTOMATION Sequence of event record Disturbance record Tripping context record

Standard (P3U)

Advanced (P3x)

P3U20

P3U30

P3F30

P3L30

P3M30

P3M32

P3G30

P3G32

P3T32

● ● ●

● ● ●

● ● ●

● ● ●

● ● ●

● ● ●

● ● ●

● ● ●

● ● ●

Table 5.11: Monitoring Functions Monitoring functions

Standard (P3U)

Advanced (P3x)

P3U20

P3U30

P3F30

P3L30

P3M30

P3M32

P3G30

P3G32

P3T32

Trip circuit supervision (ANSI 74)

1 1 ●

1 1 ●

1 1 ●

1 1 ●

1 1 ●

1 1 ●

1 1 ●

1 1 ●

1 1 ●

Circuit breaker monitoring

Relay monitoring

[15] Function available on both sets of CT inputs

5-8

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