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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Comments to this Manuals Your Name. Tank Leakage Protection Retrieval Of Information Overvoltage Protection 59 In the following, the same line as 7s6j2 in the example for ground impedance ratios above and additional data on the voltage transformers will be used: Motor Restart Inhibit 66 Bay controllers Bay controllers are devices with control and monitoring functions without protective functions. Configuration Of Functions If the function is not required Disabled is set.

SIPROTEC 7SJ62 – Digital Grid – Siemens

Single-phase Overcurrent Protection Functions 2. Distance protection relay for all voltage levels pages. Table of Contents Add to my manuals Add.

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Besides, there is a minimum requirement based on experi- ence. If not, it can be derived from a DC measurement on the secondary winding.

Measured And Metered Values Multi-functional protective relay with local control pages. Default values which are sufficient in most cases are preset. This diagram allows the number of yet possible trips to be determined for tripping with equal tripping current.

Page 82 Functions 2. Description Of Automatic Reclosing System The sub- sequent figures 7sh62 housing sizes Figure Front view with housing size after removal of the front cover simplified and scaled down Figure Front view of the 7SJ64 with housing size The electrical and functional data for the maximum functional scope are followed by the mechanical specifications with dimensioned drawings.

Point P1 is determined by the number of permitted make-break operations parameter OP. Sync Function Groups Functions 2.

Siemens SIPROTEC 7SJ62 Manuals

This is why such faults are not detected at all or not selectively by the ordinary time overcurrent protection. A list with the desired infor- mation appears see Figure Saving Of Waveform Capture Definite-time Overcurrent Protection 50 n Technical Data 4. Overcurrent Protection 50, 51, 50n, 51n For generators, motors and shunt reactors high-impedance protection can be used analogously.

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Binary Inputs And Outputs In order that the minimum voltage for controlling the binary input is ensured, R is derived as: System Interface Test: Page 85 Functions 2.

Directional Time Overcurrent Protection 67, 67n It is derived from the number of cold and warm n motor startups.

Page 71 Functions 2. Figure shows the printed circuit board C—CPU and the interface modules.

Power System Data 1 Functions 2. Page 58 Functions 2. The settings should be checked again, if they were changed during the tests.

SIPROTEC 7SJ62

Open the circuit breaker again. Sensitive Ground Fault Detection 64, 50ns, 67ns Phase Rotation Functions 2. Other internal commands such as manual entry or abort are not checked, i.

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