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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Page of Go. Manyal together with electromechanical relays, it allows different dropout responses to be adjusted and time grading of digital and electromechanical relays to be implemented. The device then approximates the characteristic, using linear interpola- tion.

Siemens SIPROTEC 7SJ62 Manuals

Transfer Of Measured Values Functions 2. Determination Of Unbalanced Load Definite Time Overcurrent Elements50n-1 Manal 2. Eddy cur- rents are induced at the rotor surface, and local overheating in rotor end zones and the slot wedge begins to take place.

Negative Sequence Protection toc Technical Data 4. In this example, the setting value is configured as secondary power in watts.

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SIPROTEC 7SJ62 – Digital Grid – Siemens

Page 78 Functions 2. For housing size Manhal and Figure 4 covers and 4 holes for securing the device, for housing size Figure there are 6 covers and 6 holes for securing the device. Sensitive Ground Fault Detection 64, 50ns, 67ns The settings that correspond with the old parameters and are specified as follows. Additional Interface Checking: Negative Sequence Protection 46 Functions 2.

If not, they are reported only as ON. Types Of Commands Functions 2. Page 99 Functions 2.

Combined Line Differential and Distance Protection go. Page 93 Functions 2. Page 85 Functions 2. Control Center Solutions go.

Definite Time, Instantaneous Overcurrent Protection 50, 50n QUANTITY 27 you can determine manhal undervoltage protection in a three-phase con- nection that instead of the positive-sequence system V1, the smallest of the phase-to-phase voltages Vphph or the smallest phase-to-ground voltage Vph-n is configured as a measured quantity.

Siemens SIPROTEC 7SJ62 Manuals

Changing the Power System Data 1 after flexible functions have been configured may cause these manula to be set incorrectly. The calculation algorithm used filters the measured values so that it is highly accurate and insensitive to higher harmonics particularly the 3rd and 5th harmonics — Information List For The Device Undervoltage Protection 27 Functions 2.

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The line is energized and will remain in this state during the measurements.

In this connection, determination of zero-sequence voltage V0 is manuzl possible. Before the first reclosing, faults are to be eliminated quickly applying elements or 50N Reassembly Mounting and Commissioning 3.

Page – Impacts on the Functionality of the Devi Distance Protection Relay go. Table of Contents Add to my manuals Add.

General Device Settings If desired, fewer 7wj62 20 pairs may be entered. To do so, the dialog box Hardware Test must be opened again to view the physical state of the binary inputs. This includes in particular: An object can also have specific properties.

In particular, they must have the same transformer ratios and approximately identical knee-point voltage.