GE SR750 PDF

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Oscillography A block of configurable volatile memory can be used for recording samples of the AC input voltages and current, and the status of logic inputs and output relays.

GE Multilin 750 Feeder Management Relay Sr750

A block of configurable volatile memory can be used for recording samples of the AC input voltages and current, and the status of logic inputs and output relays. The relay captures and stores the last events, recording the time, date, cause, and system parameters. About Grid Solutions GE’s Grid Solutions business serves customers globally with over 17, employees in approximately 80 countries.

This memory can be configured between the ranges of two to 16 blocks with 16 to power frequency cycles of data respectively. Trip Counter The number of breaker trip operations is recorded, and can be displayed for statistical purposes useful for units without operation counters.

The front panel port allows easy local computer access. Simply remove the terminal blocks and then remove the SR chassis from the panel. Orders may be placed until 31st Decemberand will be fulfilled based upon availability.

A rear Ethernet port is also available as an optional feature. The VT failure feature monitors each phase of input voltage, generating an alarm and sending the programmed output signals when a failure is detected. Insert the new 8 Series Retrofit chassis into the switchgear and simply plug-in the old terminal blocks – there is no need to make any cut-out modifications or push and pull cables.

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A 40 character display allows access to setpoints, actual values, and diagnostic messages generated by a trip or alarm condition.

A failure to respond to an open or close signal in a programmed time can be used to generate an alarm. Grid Solutions helps enable utilities and industry to effectively manage electricity from the point of generation to the point of consumption, helping to maximize the reliability, efficiency and resiliency of the grid.

The relay calculates the per-phase wear on the breaker contacts to establish a threshold. The amount of pre-event data recorded is set by the user.

Two analog input level monitoring elements and two rate-of-change elements are available. Display A er750 character display allows access to setpoints, actual values, and diagnostic messages generated by a trip or alarm condition. Convenient COMTRADE and Sequence of Events viewers are an integral part of the Setup software included with every relay, to carry out postmortem event analysis to ensure proper protection system operation.

This product is under last-time buy. Load shedding schemes based on voltage and frequency elements Back-up protection for transmission lines, xr750 and transformers Distributed Generation DG interconnect protection.

When the measured quantity exceeds the pickup level, the relay can trigger an alarm or signal an output. Once completed, a graphical report is provided to verify and call out any specific settings that may need attention. With the new 8 Series Retrofit Kit users are able to install the Feeder Management System without modifying existing cutouts and wiring, and without any drawing changes or re-engineering time. Trace memory recording can be triggered by operation of selected features or logic inputs.

Indicators Twenty LEDs indicate relay status, system status, and trip and alarm conditions. Ve need to disconnect any of the field wiring. As an alternative, please refer to the relay. The relay uses captured data to calculate the type, distance to and the impedance of the fault. User Interface Various user interfaces facilitate operation of the The can display 30 user-selected messages during keypad inactivity.

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Events may be recorded selectively by category, so that only events of interest are recorded. VT Failure S750 VT failure feature monitors each phase of input voltage, generating an alarm and sending the programmed output signals when a failure is detected.

GE SR750 Multilin Power Management Reconditioned

Breaker Conditions The relay calculates the per-phase wear on the breaker contacts to establish a threshold. The number of breaker trip operations is recorded, and can be displayed for statistical purposes useful for units without operation counters. Traditionally, retrofitting an existing relay has been a challenging, time consuming task often requiring re-engineering, new drawings, panel modifications, re-wiring and re-testing.

An alarm is also generated if the relay detects that the supervisory trickle current is not present.

GE Multilin Feeder Management Relay Sr | eBay

Any external quantity may be monitored via an auxiliary current input. This easy eg use relay provides comprehensive protection functions for feeders and back up protection for bus, transformers and transmission lines at a reduced sr7550 life cycle cost.

Analog Inputs Any external quantity may be monitored via an auxiliary current input. EnerVista 8 Series Setup Software provides automated setting file conversion. Event Recording The relay captures and stores the last events, recording the time, date, cause, and system parameters.

When the breaker maintenance threshold is exceeded the relay can trigger an alarm. Records of the last 10 faults are stored. Fault Locator The relay uses captured data to calculate the type, distance to and the impedance of the fault.

The baud rate of all the serial ports is variable from to 19, bps.