ABB REF615 F - Section 13 IED physical connections; 13.1 Protective earth connections

Three-Phase Current Protection145

Three-Phase Directional Overcurrent Protection Dphxpdoc182

Three-Phase Directional Overcurrent Protection Dph3Xpdoc206

Three-Phase Thermal Protection for Feeders, Cables and Distribution Transformers T1PTTR231

Three-Phase Thermal Overload Protection for Power Transformers, Two Time Constants T2PTTR238

Identification238

Function Block238

Functionality238

Operation Principle239

Operation Principle247

Operation Principle250

Operation Principle254

Operation Principle270

Neutral Admittance Characteristics330

Operation Principle496

Frequency Protection500

Arc Protection ARCSARC520

Motor Startup Supervision STTPMSU527

Three-Phase Inrush Detector INRPHAR543

Functionality573

Application574

Function Block595

Technical Revision History599

Operation Principle600

Application603

Signals604

Monitored Data605

Function Block606

Application607

Operation Principle614

Technical Revision History629

Technical Revision History642

Monitored Data652

Functionality683

Timer Characteristics749

Measurement Modes845

Calculated Measurements847

ABB REF615 F - Section 13 IED physical connections; 13.1 Protective earth connections

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