MiCOM Distance Applications

21/21N

Distance

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25

Check synchronising

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32

Directional power

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32V

Voltage controlled directional reactive power

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46

Negative sequence overcurrent

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46/67

Directional negative sequence

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46BC

Broken conductor

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49

Thermal overload

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50/27

Switch on-to fault

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50/51N

Ground fault

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50/51P

Phase overcurrent

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50ST

Stub bus protection

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59/27

Over / under voltage

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59N

Residual over voltage

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62/50BF

Circuit breaker failure

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67N

Ground fault directional

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67N

Transient ground fault detection

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67P

Phase directional

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67W

Wattmetric ground fault

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68

Out of step tripping

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78

Power swing blocking

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79

Auto-reclose

3 pole

1/3 p

1/3 p

3 pole

3 pole

1/3 p

1/3 p

1/3 p

3 pole

1/3 p

81

Over / under frequency

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81R

Rate of change of frequency

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81P

Under-frequency load shedding

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85

Channel aided scheme logic

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CVTS

Capacitive voltage transformer supervision

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TCS

Trip circuit supervision

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VTS/CTS

Voltage / current transformer supervision

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∆I/∆V

Delta directional comparison

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YN

Neutral admittance

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Process Bus interface for SV

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Mutual compensation

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Standard Version

P44321RMBM0H98M

Series 40 - Distance Protection, P443 (48-110Vdc), 1/5A CT inputs, 16In/24Out (user configurable voltage thresholds), 1300nm single-mode dual channel, 3xRJ-45, IEC61850, DNP3

Advanced Version

P44521ROBM0J98L

Series 40 - Distance Protection, P445 (48-110Vdc), 1/5A CT inputs, 16In/16Out (user configurable voltage thresholds), 1300nm single-mode dual channel, 3xRJ-45, IEC61850, DNP3