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7SJ62 SIEMENS PDF

February 13, 2020

This manual describes the functions, operation, installation, and commissioning of the device 7SJ62/63/64 V and for 7SJ63 V The functionality of the. Function overview. Description. Siemens SIP · 5 OvercurrentProtection/ 7SJ 5. 5/ 5/ Protection functions. • Time-overcurrent. of Siemens AG. Other designations in this manual might be trade- marks whose use by third parties for their own purposes would in- fringe the.

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Temperature Measurement Check: Jumpers X to X must be set to the same position! Page Glossary Protection devices All devices with a protective function and no control display.

The mounting locations are shown in Figures and Page 88 Functions 2. This facility is used in power systems with possible intermittent faults.

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Bit pattern indication Bit pattern indication is a processing function by means of which items of digital process information applying across several inputs can be detected together in parallel and skemens further.

The user is also allowed to generate user-defined messages. The same applies to 79 AR 50N-1 inst. This has to be communicated to the device as digitalized measured value via the interface. Page Page – A. Unbalanced loads create counter-rotating fields in three-phase induction motors, which act on the rotor at double frequency.

7ej62 addition, the measured values are also constantly monitored for plausibility, therefore, the current transformer and voltage transformer circuits are largely integrated into the monitoring.

Depending on the functional scope specified during config- uration of the protective functions in addresses Charac. The commands can, for example, force specific settings for the modem. Gnd Fault it was determined with which parameters the ground fault detection is functioning. Page Glossary Object properties Each object has properties. If the binary input becomes active while no trip command of any function applies, the automatic reclosure system will be blocked dynamically provided it is already running.

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Siemens 7sj62 7sj6225 5eb90-1fe0/ff Fast

If this function is not required, then Disabled is set. Since all feeders from a common bus Figure deliver a capacitive charging current, nearly the total ground fault current of the system is available at the measuring point of the faulty line in the grounded system.

The table indicates region-specific default settings. Glossary Glossary Battery The buffer battery ensures that specified data areas, flags, timers and counters are retained retentively.

Overvoltage Protection 59 Functions 2. Figure Logic Diagram of the fast current sum monitoring AD Transformer Monitoring The digitized sampled values are being monitored in respect of their plausibility. Due to the variety of application options and the available system configurations, it is not possible to make a detailed description of the necessary tests. As this power siemwns appears during ground faults for a short period of time, siemen rated power can be smaller by approx. In this status, a pickup condition will neither initiate fault recording nor start the trip time delay.

The recommendations are given according to the standard IEC Page Appendix A. The same applies to 79AR 51N instantaneous. The combination matrix defines which devices exchange which in- formation. Protection devices, combination devices, bay control- lers. Figure Trip circuit supervision with one binary input During normal operation, the binary input is activated logical condition “H” when the trip contact is open and Ground Fault Check Siemems and Commissioning 3.

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Figure A Voltage connections to two voltage transformers phase-to-phase voltages and open delta VT for V4, appropriate for all networks.

De-energized Switching Functions 2. High Impedance Protection go. Page Glossary Metered value Metered values are a processing function with which the total number 7sm62 discrete similar events counting pulses is determined for a period, usually as an integrated value. Mounting And Skemens Mounting and Commissioning This chapter is intended for experienced commissioning staff. Temperature Stage 2 Pickup Oscillographic Fault Records Functions 2.

Operator Interface Checking: Inadmissable Tightening Torques Non—observance of the following measure can result in minor personal injury or property damage. Preface Typographic and Symbol Conventions The following text formats are used when literal information from the device or to the device appear in the text flow: Page 86 Functions 2.

Page – Impacts on the Functionality of the Devi The negative se- quence system detects voltage unbalance and can be used for the stabilization of the time overcurrent protec- tion.

Siemens SIPROTEC 7SJ62 Manual

Page 84 Functions 2. The loca- tion of the miniature fuse F1 and of the buffer battery G1 are also shown in the following figures.

Transfer Of Measured Values Functions 2. Page Page Page – A. Thus, for example, a rate-of-frequency-change protection or reverse power protection can be implemented.