Schweitzer Engineering Laboratories SEL-701 - List of Figures

Date Code 20010719 701 Motor Protection Relay
List of Figures
Section 1: Introduction & Specifications
Figure 1.1 SEL-701 Relay Functional Description.......................................1.4
Figure 1.2 SEL-701 Relay Applications.......................................................1.5
Figure 1.3 SEL-701 Relay Serial Number Label........................................1.10
Section 2: Installation
Figure 2.1 SEL-701 Relay
Mechanical Dimensions (Front and Top Views).2.2
Figure 2.2 SEL-701 Relay Cut and Drill Dimensions. .................................2.3
Figure 2.3 SEL-701 Relay Panel Mounting Detail.......................................2.4
Figure 2.4 SEL-701 Relay Rear Panel..........................................................2.5
Figure 2.5 SEL-701 Relay Left- and Right-Side Panel Drawings................2.6
Figure 2.6 Example AC Wiring Diagram,
Four-Wire Wye Voltages and Ground CT. .............................2.7
Figure 2.7 Example AC Wiring Diagram,
Open-Delta Voltages and Residual IN Connection................2.8
Figure 2.8 Example AC Voltage Wiring
Diagram, Single Phase-to-Phase Voltage...............................2.9
Figure 2.9 Example AC Voltage Wiring
Diagram, Single Phase-to-Neutral Voltage. ...........................2.9
Figure 2.10 Ground CT Placement. ..............................................................2.12
Figure 2.11 Contact Output Factory Default Wiring Diagram. ....................2.14
Figure 2.12 Trip Contact Fail-Safe, NonFail-Safe Wiring Options..............2.15
Figure 2.13 Optional Motor Start Wiring Using
Factory Default Settings for Output Contact OUT3. ...........2.16
Figure 2.14 Contact Input Factory Default Wiring Diagram........................2.17
Figure 2.15 Analog Output Wiring...............................................................2.18
Figure 2.16 RTD Input Wiring......................................................................2.20
Figure 2.17 Rear-Panel EIA-485 Serial Port Connections. ..........................2.23
Section 3: SEL-701PC Software
Section 4: Settings Calculation
Figure 4.1 Phase Rotation Settings. ..............................................................4.5
Figure 4.2 Generic Thermal Limit Curves, Cold Motor. ............................4.13
Figure 4.3 3000 HP Example Motor Cold Thermal Limit Curve. .............4.19
Figure 4.4 Ground Fault Currents Using a Window CT. ............................4.24
Figure 4.5 Factory Tripping Logic..............................................................4.47
Figure 4.6 Factory Contact Output Logic. ..................................................4.48
Figure 4.7 Factory Contact Input Logic......................................................4.48
Figure 4.8 Factory Event Triggering Logic. ...............................................4.49
Section 5: Front-Panel Operation