7SJ62 MANUAL PDF

7SJ62 MANUAL PDF

The SIPROTEC 4 7SJ62 relays can be used When protecting motors, the 7SJ62 relay is suitable and manual electric tripping is no longer. Applicability of this Manual. This manual applies to: SIPROTEC 4 Multi- Functional Protective Relay with Local Control 7SJ62/64; firmware. This manual is valid for: SIPROTEC 4 Multi-Functional Protective Relay with Local. Control 7SJ62/63/64; firmware version V Indication of.

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Table of contents Cgc Table Of Contents Device, General Settings Power System Data 1 Oscillographic Fault Records Overcurrent Protection 50, 51, 50n, 51n Definite Time, High-set Elements, 50n-3, 50n-2 Definite Time Overcurrent Elements50n-1 Inverse Time Overcurrent Elements 51, 51n Dynamic Cold Load Pickup Function Pickup Logic And Tripping Logic Two-phase Overcurrent Protection only Non-directional Directional Overcurrent Protection 67, 67n Definite Time, Directional High-set Elements67n-2 Definite Time, Directional Overcurrent Elements67n-1 Inverse Time, Directional Overcurrent Elements toc, 67n-toc Interaction With Fuse Failure Monitor ffm Dynamic Cold Load Pickup Single-phase Overcurrent Protection High-impedance Ground Fault Unit Protection Tank Leakage Protection Voltage Protection 27, 59 Overvoltage Protection 59 Undervoltage Protection 27 Negative Sequence Protection 46 Inverse Time Characteristic toc Motor Restart Inhibit 66 Load Jam Protection 51m Thermal Overload Protection 49 Monitoring Of The Hardware Modules Monitoring Of The Transformer Circuits Measurement Voltage Failure Detection Trip Circuit Supervision 74tc Ground Fault Protection 64, 67n s50n s51n s Ground Fault Location Intermittent Ground Fault Protection Automatic Reclosing System 79 Controlling Protection Elements Breaker Failure Protection 50bf Flexible Protection Functions Sync Function Groups Temperature Detection Via Rtd Boxes Circuit Breaker Maintenance Transfer Of Measured Values Set Points For Measured Values Set Points For Statistic Types Of Commands Mounting And Commissioning Mounting And Connections Rack Mounting And Cubicle Mounting Panel Flush Mounting Mounting With Detached Operator Panel Checking System Connections Test Mode And Transmission Block Testing User-defined Functions Test For High Impedance Protection Direction Check With Load Current Ground Fault Check Creating Oscillographic Recordings For Tests Final Preparation Of The Device General Device Data Binary Inputs And Outputs Mechanical Stress Tests Climatic Stress Tests Definite-time Overcurrent Protection 50 n Inverse-time Overcurrent Protection 51 n Directional Time Overcurrent Protection 67, 67n Negative Sequence Protection Negative Sequence Protection toc Motor Starting Protection 48 Load Jam Protection User-defined Functions cfc Scope Of Functions Hardware And Connections Connections To Threaded Terminals Connections To Plug-in Terminals Connections To Optical Communication Interfaces Connections To Electrical Communication Interfaces Version Of 7sj62 For Panel Surface-mounting Unpacking And Packing Inspections Upon Receipt Inspection Of Features And Ratings Siprotec 4 Devices Protection And Control Operator Control Facilities Operating Panel On Device General Setting Procedure Programmable Logic Cfc Power System Data General Device Settings Configuration Of Functions Establishing Information Properties Transferring Metering Values Setting Of Contact Chatter Blocking Establishing A Default Display Date And Time Stamping Power System Data 2 Overcurrent Protection 50, 50n, 51, 51n Description Of Instantaneous Overcurrent Protection