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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Siemens SIPROTEC 7SJ62 Manuals

If T-reset expires and no new ground fault is recorded during that time, all memories are reset and the protection resumes normal position. The protection function represents a thermal replica of the equipment to be protected overload protec- tion with memory capability. Page 56 Functions 2. Overvoltage Protection 59 Ground Fault Check Mounting and Commissioning 3. Both op- erational states are unfavorable as overvoltage may cause for example insulation problems or undervoltage may cause stability problems.

Siemens SIPROTEC 7SJ62 Manual

Figure shows an example of a timing diagram for a successful second reclosure. Page 4 Additional Support Should further information on the System SIPROTEC 4 be desired or should particular problems arise which are not covered sufficiently for the purchaser’s purpose, the matter should be referred to the local Siemens rep- resentative. manyal

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Control commands can originate from four command sources: Load Jam Protection Technical Data 4. Table shows the assignment of the evaluated loops to the possible pickup scenarios of the protection el- ements. The reactance setting enables the protective relay to indicate the fault location in terms of distance.

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The location and ratings of the miniature fuse F1 and of the buffer battery G1 are shown in the following figure. This standard permits uniform com- munication of the devices without gateways and protocol converters.

The position of the connections can be seen in the following figure.

Ground Fault Location Temperature Stage 1 Pickup The same applies to AR 50N-2 inst. Time Synchronization Interface Additional Functions Technical Data 4. Temperature Measurement Check: The devices can be used for line protection 7sj26 networks that are grounded, low-resistance grounded, ungrounded, or of a compensated neutral point structure.

Date And Time Stamping Retrieval Of Information Note When function settings of the motor restart inhibit are changed, the thermal replica of this function is manuak. Direction Check With Load Current Load Jam Protection Voltage and Frequency Protection go. This diagram allows the number of yet possible trips to be determined for tripping with equal tripping current.

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Description Of Phase Rotation Failure of the measuring voltage in one or two poles can be detected, and the directional time overcurrent elements Dir Phase and Dir Ground can be blocked see logic diagrams. Figure Message logic for trip circuit supervision 2.

SIEMENS SIPROTEC 7SJ62 MANUAL Pdf Download.

The feedback information of the circuit breaker position injected via binary inputs is read out at the device and compared mabual the actual breaker position. Connection diagrams indicating the terminal connections of the models of this device are included.

Got it, continue to print. Close request to Control 79M Auto Recl. The same applies to function groups 2 to 4. Therefore, tripping can be time-graded depending on how severe voltage collapses are.