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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SIPROTEC 7SJ62 – Digital Grid – Siemens
Mounting And Commissioning Automatic Reclosing System 79 Functions 2. Page 95 Functions 2. Commands that are initiated internally command processing in the CFC are not subject to switching authority and are therefore always “allowed”.
Settings indicated above are to be used prevaling 3 cold and 2 warm startup attempts have resulted in the restart limit reaching Page 83 Functions 2. Settings For Inrush Restraint stabilization manal Products for Power Quality and Measurement go.
Siemens SIPROTEC 7SJ62 Manuals
The grounding conditions in the rest of the network determine how strong a zero sequence current from the system is. Additional Functions Technical Data 4. Figure Example for the generation of a manual close signal using the internal control function Note For an interaction between the automatic reclosing function 79 AR and the control function, an extended CFC logic is necessary.
Figure shows the printed circuit board C—CPU and the interface modules. Dynamic Cold Load Pickup Functions 2. Mounting With Detached Operator Panel Motor and current transformer with the following data: Intermittent Ground Fault Protection Figure Logic Diagram of the fast current sum monitoring AD Transformer Monitoring The digitized sampled values are being monitored in respect of their plausibility. Manual Close Mode instant. Event Log operating Messages The jumpers X60 to X63 must all be set to the same rated current, i.
Set Points For Measured Values Settings For Auxiliary Functions With RS and fiber optic interfaces, each connection is dedicated to one transmission direction. Page 79 Functions 2. Inverse Time Overcurrent Elements 51, 51n Up to four input currents are measured by the device. Page 50 Functions 2.
SIEMENS SIPROTEC 7SJ62 MANUAL Pdf Download.
This is not directly possible without the interconnection of this block. Description Of Voltage Protection Overcurrent Protection 7sjj62, 51, 50n, 51n Functions 2.
Inverse Time Element toc This measurement method processes the sampled 7wj62 of the current and filters in numerical order the fundamental harmonic so that the higher harmonics or transient peak currents remain largely unconsidered.
The position of the connections can be seen in the following figure. Page 27 Introduction 1.
Other internal commands such as manual entry or abort are not checked, i. Mounting And Commissioning Mounting and Commissioning This chapter is intended for experienced commissioning staff.
Siemens SIPROTEC 7SJ62 Manual
General Device Data Technical Data 4. The location and ratings of the miniature fuse F1 and of the buffer battery G1 are shown in the following figure. The devices can be used for line protection in networks that are grounded, low-resistance grounded, ungrounded, or of a compensated neutral point structure.