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Automation & Protection
Motor Protection

Home > Automation & Protection > Protection & Control > Motor Protection > Multilin Agile Motor (P24N/D)

  
Multilin Agile Motor (P24N/D)
Protection Series

GE Vernova’s Multilin Agile Motor Protection, with its compact footprint and advanced feature set, helps to decrease spending to achieve better outcomes. 

The Multilin Agile platform offers dedicated motor protection relay with basic to advanced features  based on the motor size and application. The relay supports GE Vernova’s proven thermal model for reliable motor protection along with various independent stages of functions to protect against electrical & mechanical faults including Overcurrent /overvoltage/Power & frequency protection.

The relay supports extensive monitoring & recording functions including alarms, events, disturbance records, motor start records etc. along with motor health reports for maintenance team to review, spot trends and take preventive actions.

The relay supports LCD/ large graphical screen option which facilitates effective monitoring & visualization of operational parameters. Advanced cybersecurity option complying to NERC-CIP / IEC62351 standards ensures safety against malicious cyberattacks.

Key Features

  • GE Vernova’s proven Thermal model for reliable motor protection
  • Motor health report with operating and diagnostic information
  • Smaller footprint for easy retrofitting of aging infrastructure
  • Intuitive graphical display for effective monitoring, communications & troubleshooting
  • Easy testing & commissioning with virtual injection & testing feature
  • Draw-out design for simplified testing, commissioning & maintenance
  • Cost savings on engineering time & wiring due to traditional hardwired control scheme replacement
Overview
User Interface

Overview

Multilin Agile Feeder P24DB Functional Block Diagram

Multilin Agile Motor Protection (P24N/D) 

Device Number Function
14 Speed Switch Input
27p Phase Undervoltage
27_1 Positive Sequence Undervoltage
32 Phase directional power
32R Reverse Power protection
37 Undercurrent
46 Current Unbalance
47 Phase reversal
49 Thermal Model
50 Phase Definite Time Overcurrent
51 Phase Inverse Time Overcurrent
50N/G Neutral/Ground Definite Time Overcurrent
Device Number Function
51N/G Neutral/Ground IDMT Overcurrent
SEF Sensitive Earth Fault
50BF CB Failure
48/50LR Mechanical Jam (Start/Stalled Protection)
52 Breaker and Isolator Control
55 Power Factor
59P Phase Overvoltage
59_1 Positive Sequence Overvoltage
59_2 Negative Sequence Overvoltage
59N Neutral Voltage Displacement
Device Number Function
66 Number of starts limitation (start supervision)
67P Directional Phase Overcurrent
67N/G Directional Neutral/Ground Overcurrent
68 Inrush Blocking
81O

Overfrequency

81U Underfrequency
81V Undervoltage Blocking
86 Latching output contacts (Lockout)/Start inhibit
87RGF Restricted ground fault (REF)
ABS Anti-Backspin (Timer based)
Device Number Function
CTS/VTS CT and VT Supervision
THD Harmonic Measurement/Protection
  DC Supply Monitoring
  CB Condition Monitoring
  Overload Alarm
  Emergency Restart
  Reduced Voltage Starting
  Motor Start Records
  Motor Health Report


Advanced Motor Health Report

The Multilin Agile health report provides a quick snapshot of the motor operating and diagnostic information in an easy way to allow users to make decisions about health of the motor. Based on the graphical representation and trend values of the motor historical data gathered by the Multilin Agile, users can quickly identify process issues and maintenance requirements before damage occurs and costly repairs are required.

The motor health report quickly provides a motor operation summary with detailed information in seven categories.

  • Device Overview
  • Status Overview
  • Trip Summary
  • Motor Operating History
  • Motor Starting Learned Data
  • Motor Start Records
  • Motor Stopping/Tripping
P24D Motor Operational Report


Advanced Communications

Three communication ports are standard: a rear serial port providing remote communications, a front USB port and rear Ethernet for device configuration and management.

Two additional Ethernet ports can be ordered to achieve Ethernet communication redundancy.

Supported Communication Protocols Include:

  • Modbus (RS485 serial or Ethernet)
  • IEC 60870-5-103
  • DNP 3.0 (RS485 serial or Ethernet)
  • IEC 61850 Ed. 2 with concurrent serial connection
  • Redundant Ethernet protocols PRP, HSR, and failover also available with dual RJ45 or dual fiber media



Flexible Hardware

  • Space-saving 4U height with 4” (20TE) and 6“ (30TE) case size options
  • Wide choice of opto-isolated binary inputs and output relays
  • Binary inputs ESI 48-4 EB2 compliant – avoids spurious pickup from induction on field wiring
  • High density I/Os in various combinations depending on case size option
  • Ungrouped binary inputs for trip circuit supervision
  • Field upgradeable, avoiding costly hardware change
  • 6” (30TE) models can accommodate:
    • 1 x RS485/IRIG-B interface
    • Up to 3 x RJ45/fiber optic ports for single and redundant Ethernet plus additional engineering access
    • From 11 to 30 binary inputs, and 9 to 25 relay outputs, depending on the order code
  • 4” (20TE) models can accommodate:
    • 1 x RS485/IRIG-B interface
    • 1 x RS485 additional interface
    • Up to 3 x RJ45/fiber optic ports for single and redundant Ethernet plus additional engineering access
    • Up to 11 binary inputs and 11 binary outputs or 14 binary inputs and 9 binary outputs, depending on the order code


Simulation & Testing

To aid commissioning, a simulation feature is provided to test the relay’s functionality and response to programmed conditions, without the need for external AC voltage and current inputs. When placed in simulation mode, the relay suspends reading actual AC inputs, generates samples to represent the programmed phasors, and loads these samples into the memory to be processed by the relay. Normal (pre-fault), fault, and post-fault conditions can be simulated to exercise a variety of relay features. Other test operations - such as an LED lamp test for each color, contact input states, and testing of output relays - are also possible.



Application Model Selection

Model Hardware Base Intended Application Case Size
P24NB P24N Motor Protection (current elements only) 20TE/30TE
P24DB P24D Motor Protection (current voltage & power elements) 20TE/30TE

Intuitive User interface

The front HMI hosts a fully-graphical color screen. The front panel supports start, stop, local/remote, and direct function key access, facilitating the control of connected motor and managing up to six controllable devices. These replace traditional hardwired control scheme switches and annunciation, saving on engineering time and wiring costs.

Sixteen tricolor LED lamps are available, freely configurable, in addition to four fixed-function LEDs that provide a cost-effective solution for annunciation.

Multiple language are supported with easy switching between English and an additional language on the local display without uploading new firmware.

A USB front port allows ready access by field personnel’s laptop computers.

User Interface

Front Panel Interface 30TE (6") - ANSI Version



Intuitive Graphical Display

Intuitive Graphic Display

Intuitive User interface – Compact Version

The front HMI hosts a multi-line text display which allows direct device interaction. Smart dependencies within the menu ensure that settings for unused elements are hidden.

Four tricolor LED lamps are available, freely configurable, in addition to four fixed-function LEDs which provide a cost-effective solution for annunciation.

Multiple language are supported with easy switching between English and an additional language on the local display without uploading new firmware.

A USB front port offers ready access by field personnel’s laptop computers.

User Interface

Front Panel Interface 20TE (4")