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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Electrical Tests Technical Data 4.

The same applies to AR 50N-2 inst. Ordering Information And Accessories In radial systems, locating the ground manusl is relatively simple. They are linked via the device control.

SIPROTEC 7SJ62 – Digital Grid – Siemens

This may be performed with secondary test equipment or other test equipment for checking continuity. Settings For Undervoltage Protection They are, therefore, not enabled — and no pickup or tripping of these protective functions will occur. The mounting locations are shown in Figures and You work with data which are stored in files.


Tighten all terminal screws, including those that are not used. Description Of Motor Starting Protection The reactance setting enables the protective relay to indicate the fault location in terms of distance.

Got it, continue to print. High Impedance Protection go.


An incoming inrush will reset a running dropout delay time. Page 25 Introduction 1. Resetting And Setting The Statistics Inverse Time, Directional Overcurrent Protection toc, 67n-toc Average Measurements Functions 2. Mounting and Commissioning 3.


Changing the distance unit does not imply an automatic conversion of the setting values that are dependant on the dis- tance unit.

Transformers and cable are prone to damage by overloads that last for an extended period of time. The same applies to 79AR inst. Information List For Fault Location Inactive A active 67 Direct. Installation And Commissioning Saving And Erasing The Messages This is not directly possible without the interconnection of this block.

Make sure manuual terminal continuity is maanual wrongly simulated in reverse direction via current transformers or mwnual short-circuiters.

If only two phase-to-phase voltages were measured, it would not be possible to evaluate two of the required criteria. Additionally, the faulty phase is determined. Page 92 Functions 2.

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Oscillographic Fault Records These messages contain information on the cause. The operational mode of the ground fault detection can be set under address Before connection it is checked whether conditions are synchronous or not. Motor Starting Protection 48 Page 95 Functions 2. Page 66 Functions 2.

This has to be communicated to the device as digitalized measured value via the interface. Therefore, tripping can be time-graded depending on how severe voltage collapses are. Two-phase 7sj6 Protection only Non-directional Functions 2.

Page Mounting and Commissioning 3. Figure Indications prior to editing Clicking the texts allows for editing short text and long text as required by the application Figure Page 22 Introduction 1.

Monitoring Functions Functions 2.