SE Digest 178

Sepam™ Characteristics

Sepam™ Protection Relays

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Sepam™ 20/40/80 Characteristics

Table 5.3: Protection Configurations Characteristics

Series20

Series40

Series80

Logic inputs Logic outputs

0-10

0-10

0-42 5-23 0-16

4-8 0-8

4-8

Temperature sensors

0-16

Current 3I + I0 Voltage 3V + V0

Current 3I + I0 Voltage 3V + V0

Current 2 x 3I + 2 x I0 Voltage 2 x 3V + V0

Channels

LPCT [1]

LPCT [1]

LPCT [1]

1-2

1-2

2-4

ModBus, IEC 103, DNP3, IEC 61850

ModBus, IEC 103, DNP3, IEC 61850

ModBus, IEC 103, DNP3, IEC 61850

Communication Ports

Redundancy

Redundancy

— —

Goose Messaging

—

Matrix [2]

Matrix [2]

Matrix [2]

Logic equation editor

Logic equation editor

Control

Logipam [3]

— — —

— —

Front memory cartridge with settings

Other

Backup 48 hours (capacitor)

Backup lithium battery [4]

Table 5.4: Metering Measurements (Basic — Sepam Series 20) Metering

Measurement Range

Accuracy

Phase Current / Residual Current (Calculated)

0.1 to40 In 0.1 to 20 In0 0.1 to40 In 0.05 to 1.2 Vnp 0.015 to 3 Vnp 0.05 to 1.2 Vnp

±1% ±1% ±1% ±1% ±1% ±5%

Residual Current (Measured)

Demand Current / Peak Demand Current Phase-to-Phase Voltage / Phase-to-Neutral Voltage

Residual Voltage

Positive Sequence Voltage

Frequency Temperature

50±5Hzor60±5Hz

±0.05Hz

-22 to +392 °F (-30 to +200 °C)

±1 °C from -20 to +140 °C

Table 5.5: Metering Measurements (Standard — Sepam Series 40) Metering

Measurement Range

Accuracy

Phase Current / Residual Current (Calculated)

0.1 to40 In 0.1 to 20 In0 0.1 to40 In 0.06 to 1.2 Vnp 0.04 to 3 Vnp 0.05 to 1.2 Vnp

±0.5%

Residual Current (Measured)

±1%

Demand Current / Peak Demand Current Phase-to-Phase Voltage / Phase-to-Neutral Voltage

±0.5% ±0.5%

Residual Voltage

±1% ±2% ±1% ±1% ±1% ±1% ±1% ±1%

Positive Sequence Voltage / Negative Sequence Voltage

Frequency

25 to65Hz

±0.02Hz

Active Power Reactive Power Apparent Power

0.015 Sn to 999 MW 0.015 Sn to 999 MVar 0.015 Sn to 999 MVA 0.015 Sn to 999 MW 0.015 Sn to 999 MVar -1 to +1 (CAP/IND) 0 to 2.1x108 MWH 0 to 2.1x108 MVARH

Peak Demand Active Power Peak Demand Reactive Power

Power Factor

Calculated Active Energy Calculated Reactive Energy

±1% ±1 digit ±1% ±1 digit

Temperature

-22 to +392 °F (-30 to +200 °C

±1 °C from -20 to +140 °C

Table 5.6: Metering Measurements (Advanced — Sepam Series 80) Metering

Measurement Range

Accuracy

Phase Current

0.02 to 40 In 0.005 to 40 In 0.005 to 20 In0 0.02 to 40 In 0.05 to 1.2 Vnp 0.015 to 3 Vnp 0.05 to 1.2 Vnp

±0.5%

Residual Current (Calculated) Residual Current (Measured)

±1% ±1%

5 PROTECTION, CONTROL, AND ENERGYAUTOMATION

Demand Current / Peak Demand Current Phase-to-Phase Voltage / Phase-to-Neutral Voltage

±0.5% ±0.5%

Residual Voltage / Neutral Point Voltage

±1% ±2% ±1% ±1% ±1% ±1% ±1% ±1%

Positive Sequence Voltage / Negative Sequence Voltage

Frequency

50±5Hzor60±5Hz 0.008 Sn to 999 MW 0.008 Sn to 999 MVar 0.008 Sn to 999 MVA 0.008 Sn to 999 MW 0.008 Sn to 999 MVar -1 to +1 (CAP/IND) 0 to 2.1x108 MWH 0 to 2.1x108 MVARH

±0.01Hz

Active Power Reactive Power Apparent Power

Peak Demand Active Power Peak Demand Reactive Power

Power Factor

Calculated Active Energy Calculated Reactive Energy

±1% ±1 digit ±1% ±1 digit

Temperature

-22 to +392 °F (-30 to +200 °C)

±1 °C from -20 to +140 °C

Rotation Speed

0 to 7200 RPM

±1RPM

[1] LPCT: low-power current transducer complying with standard IEC 60044-8. [2] Control matrix for simple assignment of information from the protection, control and monitoring functions. [3] Logipam ladder language (PC programming environment) to make full use of Sepam series 80 functions. [4] Standard lithium battery 1/2 AA format 3.6 V front face exchangeable.

5-7

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11/20/2019