GE Multilin N60 Network Stability and Synchrophasor Measurement System

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The N60 network stability and synchrophasor measurement system is a flexible device intended for the development of load shedding, remedial action, special protection schemes and wide area monitoring and control.

Key Features:

  • Scalable synchrophasor measurements with up to 6 PMUs per IED reducing synchrophasor cost by up to 80%
  • Advanced IEC 61850 Ed. 1 and Ed. 2 certified implementation, complete settings via SCL files and flexible process bus support (IEC 61850-9-2LE or IEC 61850-9-2 Hardfiber) ensures interoperability, device managing optimization and reduced cost of ownership
  • Routable GOOSE (R-GOOSE) enables GOOSE messages going beyond the substation, which enables wide area protection and control applications
  • Exceeds the latest IEEE C37.118 standard for PMU measurement devices with a TVE of less than 1%, Protection and Metering class synchrophasors and multi-cast IEC 61850-90-5 support
  • Uninterrupted synchrophasor measurements during fault and disturbances providing highly reliable capture of data for critical control functions and postmortem analysis
  • Three independent fiber or copper Ethernet ports for simultaneous/dedicated network connections with advanced 1 microsecond time synchronization via LAN with IEEE 1588 support
  • Simplified system integration with direct connection to JungleMUX SONET, TN1U SDH and TN1Ue SDH networks
  • CyberSentry™ provides high-end cyber security aligned to industry standards and services (NERC CIP, AAA, Radius, RBAC, Syslog)
  • Supports latest edition of waveform capture (COMTRADE 2013) simplifying fault records management
  • Application flexibility with multiple I/O options including high density I/O, programmable logic, modularity, and specific customization
  • An integrated large, full color display, provides real-time visualization and control of the protected bay, via a bay mimic as well as annunciator functionality and graphical visualization of phasors
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Description


Like no one device before, the N60 shares real-time operational data to remote N60s so the system can generate intelligent decisions to maintain power system operation.

 

Applications:

  • Decrease blackouts by identifying network instabilities and taking fast preventative action
  • Increase utilization of existing investments by identifying power transfer capability on existing lines
  • Compliments existing protection and control by sharing power and utilization information with existing systems to enhance system security
  • Facilitate contingency planning through continuous synchrophasor data collection and postmortem analysis
  • Provides enhanced state estimation for SCADA to optimize system wide load shedding and remedial action schemes
  • Mitigate system critical conditions such as power system dampening and loss of synchronism through the use of enhanced automated control to reduce outages

New & Enhanced Communications:

  • New UR process bus modules supporting IEC61850-9-2LE Merging Units and IEC61850-9-2 Hardfiber
  • Support switchable IEC 61850 Ed. 1 and Ed. 2 and redundant SNTP
  • New UR front panel with integrated 7” color, graphical display – providing operators with enhanced situational awareness
  • High density I/O module supporting up to 120 inputs or up to 72 contact outputs – eliminating the need for additional discrete devices
  • Increases GOOSE message reception up to 64 remote devices
  • R-GOOSE enables GOOSE messages going beyond the substation, which enables wide area protection and control applications
  • IEC 61850 in line with Edition 2, IEC 61850 SCL file for all relay’s setting
  • IRC module that combines C37.92 multimode and direct connection singlemode
  • Three independent Ethernet ports
  • Time synchronization via IEEE 1588
  • PRP as per IEC 62439-3 (FW 7.10)
  • IEC 60870-5-103 (FW v7.20)

Market Leading Phasor Measurement Capabilities – UR Enhanced PMU:

Reduce infrastructure costs and improve decision making through a single device that provides accurate, segmented data to protection & monitoring applications by using UR PMU devices.

Enhanced PMU functionality refers to the high-end PMU features that started with UR Firmware version 6.00. These features are aligned to the latest version of the IEEE C37.118 standard (2011).

Key released features are:

  • Support latest Protection (P Class) and Metering (M class) synchrophasors
  • Configurable PMU reporting rate up to 120fps
  • Dual reporting and aggregation capabilities
  • Calibrate on magnitude and angle
  • New M-class synchrophasor
  • IEC 61850-90-5 for multicasting PMU data
  • Up to 6 independent PMU elements

UR Switch Mode

In addition to providing high-speed connectivity directly to your Universal Relay, the UR Switch Module provides an additional 4 fiber Ethernet ports, for connection to other relays in the system as well as upstream connectivity. It also provides 2 RJ45 copper Ethernet ports which can be used to connect local devices such as PCs, meters, or virtually anything else in the system.

The UR Switch Module provides a simple way to add fully-managed Ethernet networking to your relays and devices without the need for additional hardware or a dedicated communications cabinet.

The UR Switch Module includes all of the management and features that come with all MultiLink managed switches, and can be easily integrated into a network that has other Ethernet switches.

When used in a ring topology with other UR Switch Modules or MultiLink Switches, the UR Switch Module can be configured to use MultiLink’s Smart RSTP feature to provide industry-leading network recovery for ring topologies, at a speed of less than 5ms per switch.  Use the N60 with integrated IEC 61850 to lower costs associated with generator protection, control and automation. GE’s leadership in IEC 61850 comes from thousands of installed devices and follows on years of development experience with UCA 2.0.

The N60’s IEC 61850 Process Bus module is designed to interface with the Multilin HardFiber System, allowing bi-directional IEC 61850 fiber optic communications. The HardFiber System is designed to integrate seamlessly with existing Universal Relay applications, including protection functions, FlexLogic, metering and communications.

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