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General| Brand | GE |
|---|---|
| Model | Multilin 850 |
| Category | Protection Device |
| Language | English |
General overview of the 850 Feeder Protection System's functions and capabilities.
Detailed description of the 850 Feeder Protection System's architecture, CPU, and signal processing.
Explanation of the security features including Basic Security and CyberSentry.
Information on how to specify an 850 relay based on order codes and available configurations.
Details on physical installation, dimensions, mounting, and module withdrawal/insertion.
Instructions for wiring, terminal identification, and electrical connections.
Explanation of terminal strip labeling for identifying module slot position and terminals.
Information on dedicated ground inputs and possible connection methods for ground fault detection.
Details on AC voltage input channels and VT connection options.
Explanation of the relay's front panel interface, including display, pushbuttons, and LEDs.
Overview of the EnerVista 8 Series Setup software for configuration and management.
Methods for establishing communication between the software and the relay.
How to manage relay settings and save them to files.
Overview of programmable setpoints grouped into menus for configuring the relay.
General description of common setpoint types like FUNCTION, PICKUP, and DELAY.
Explanation of security features, roles, password complexity, and authentication methods.
Details on communication protocols and settings like RS485, WiFi, Ethernet, Modbus, DNP, IEC, and IEC 61850.
Comprehensive section detailing various protection elements like Overcurrent, Undervoltage, Overvoltage, etc.
Configuration of control functions including setpoint groups, local control, breaker/switch control, and autoreclose.
Tools and concepts for creating customized logic using operands, operators, and equations.
Procedures for simulating inputs, testing LEDs, contact inputs, and output relays.
Display of main status information for system components.
Monitoring breaker health and operation parameters.
Displaying the status of each switch.
Storing and displaying information about the last trip event.
Displaying the status of contact inputs.
Programming virtual inputs to respond to keypad or communications signals.
Showing the state of virtual outputs.
Monitoring communication status for enabled interfaces.
Display of fixed device information, categorized by CPU and hardware versions.
Information related to environmental data measurements.
General status of system components.
Display of Autoreclose scheme status, including shot number and remaining shots.
Measurement of RMS currents, voltages, frequency, and power quantities.
Measured currents for each phase and ground.
Measurement of phase, phase-to-phase, neutral, and auxiliary voltages.
Measurement of frequency from current, phase voltage, and auxiliary voltage inputs.
Monitoring selected harmonics or THD in phase currents.
Monitoring harmonic ratios and THD in phase currents.
Function for supervising the paralleling of two system parts.
Measuring power and energy, including conventions for watts and VARs.
Recording and displaying energy consumption data.
Calculating and monitoring current demand for each phase.
Monitoring power demand for real, reactive, and apparent power.
Displaying thermal capacity values in percentage format.
Functionality and settings for directional power applications.
Functionality and settings for Wattmetric Zero-sequence Directional element.
Detecting problems with current transformers.
Monitoring Arc Flash protection status.
Monitoring temperature using Resistance Temperature Detectors (RTDs).
Receiving signals from external transducers.
Universal comparator for monitoring analog values.
Continuous recording and storage of event data.
Capturing and viewing waveforms at the instance of trigger events.
Displaying latest fault reports and associated fault locator information.
Recording and retrieving analog parameter data.
Monitoring breaker health and operation parameters.
Description of devices within the same network and polling mode.
Command to clear records from the front panel or EnerVista software.
Recording and retrieving environmental data over the product's life.
Minimal maintenance requirements and recommendations for scheduled maintenance.
Warranty information for GE manufactured products.
History of manual revisions and major updates.
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