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Date Code 20170814
Instruction Manual
SEL-700G Relay
List of Figures
Example Turbine Operating Limitations During Abnormal Frequency .............................. 4.75
SEL-700G0, SEL-700G1, SEL-700GT+ Instantaneous Overcurrent Element Logic
SEL-700GT Instantaneous Overcurrent Element Logic (Intertie Protection)...................... 4.90
Instantaneous Overcurrent Element Logic (Feeder Protection, SEL-700GW).................... 4.91
SEL-700G0, SEL-700G1, SEL-700GGT Instantaneous Neutral-Ground Overcurrent
General Logic Flow of Directional Control for Residual Ground Overcurrent
General Logic Flow of Directional Control for Neutral-Ground Overcurrent
Internal Enables (DIRQE and DIRQGE) Logic for Negative-Sequence
Internal Enables (DIRVE and DIRIE) Logic for Zero-Sequence Voltage-Polarized
Internal Enables (DIRNE) Logic for Zero-Sequence Voltage-Polarized
Negative-Sequence Voltage-Polarized Directional Element for Residual-
Zero-Sequence Voltage-Polarized Directional Element for Residual-Ground
Zero-Sequence Voltage-Polarized Directional Element for Neutral-Ground
Routing of Directional Elements to Residual-Ground Overcurrent Elements ................... 4.114
Routing of Neutral Directional Element to Neutral-Ground Overcurrent Elements.......... 4.114
Direction Forward/Reverse Logic for Residual-Ground Overcurrent Elements................ 4.115
Direction Forward/Reverse Logic for Neutral-Ground Overcurrent Elements.................. 4.115
General Logic Flow of Directional Control for Negative-Sequence and
Negative-Sequence Voltage-Polarized Directional Element for Negative-Sequence
Содержание SEL-700G Series
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