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Automation & Control
Controllers

Home > Grid Automation > Automation & Control > Controllers > R650

  
Multilin R650
Advanced recloser controller for distribution networks

Manufacturing for R650 has been discontinued. As an alternative, please refer to 850 or Multilin Agile P14D-E.

The Multilin™ R650 recloser controller delivers critical protection, monitoring and control for distribution automation applications. The Multilin R650 provides automatic network configuration enabling operators to reduce outage duration and recover sections of a medium voltage (MV) network for increased reliability in secondary distribution systems.

With a focus on connectivity and security, the R650 supports the latest in communications technologies and protocols, and provides standard security tools to help ensure that device integration into new or existing SCADA, OMS or DMS is as simple and secure as possible. As a member of GE’s Multilin 650 family of field proven protection and control devices, the R650 Provides simplified management as operators can use the same platform both inside and outside the substation.

Overview
Protection & Control
Automation
Software
R650 Benefits

Recloser Overview

The role of a recloser in a distribution network has developed in line with the increasing need for operators to minimize outage duration and the numbers of customers affected by faults, which in turn helps maximize performance according to reliability indices like CAIDI/SAIDI. As a result, it has two main functions. Its primary function is to clear the fault when it occurs as quickly as possible. Secondly, if the fault is permanent, the recloser takes on a sectionalising role driven by logic or commands. These control systems are dependent on the data delivered by the recloser on three levels: general monitoring from a historic perspective, fault data at the time of fault and pre/post fault data.

R650 Primary Function

The recloser must have an accurate and efficient tripping mechanism to clear as many faults as possible and fulfill its primary function. The R650 contains a unique driving electronics module that has been specifically matched to the G&W Viper-ST recloser device. This design provides reliable 4 shot auto reclosing. Supported modes of operation include:

  • 3 phase trip, three phase lockout
  • 1 phase trip, three phase lockout
  • 1 phase trip, 1 phase lockout

R650 Secondary Function

When lockout occurs the recloser becomes a pivotal fault make and fault break switch. The optimization of the network is now in the hands of the operator, either manually or automatically through automation and/or FDIR/ FLISR schemes. Whichever scheme is employed, reliable communications and rapid response is required.

The R650 supports redundant Ethernet and fiber port physical interface options and a wide range of industry standard protocols for communication, namely Modbus TCP/IP, DNP 3.0, IEC 60870-5-101, IEC 60870-5-103, IEC 60870-5-104, IEC 61850 ED2, IEC 62439 / PRP/HSR.

Advanced Protection and Control

The Multilin R650 offers a complete range of standard and advanced protection elements with multiple stages and wide setting ranges. The recloser controller provides comprehensive directional and non-directional overcurrent protection, along with optional single phase tripping and reclosing to limit system impact and improve reliability. A synchronism check function ensures that the voltages are within safe limits before allowing manual closing and auto reclose operations. Additionally, voltage and frequency protection elements may be used to disconnect generation connected to the feeder. The R650 includes six voltage inputs to monitor voltages on both sides of the recloser thereby delivering a safer level of performance.

Driving Electronics Module

At the heart of the R650 design is the driving electronics module that accurately matches the requirements of the recloser device with the controller outputs. This module ensures minimum delay between the R650 output signals and the breaker operation. Through intelligent design, this reliable performance is achieved utilizing minimal power, providing operators with true multiple shot capability.

The driving electronics module design has been extensively tested and validated to ensure optimum performance and facilitate high-speed, multi-shot capability. Test results indicate that the module enables the trip capacitors to maintain sufficient charge voltage to perform 4 cycles of close and trip fast.

Functional Block Diagram

R650 Block Diagram

ANSI Device Numbers and Functions

Device Number Function
25 Synchronism Check
27 Source/Load Undervoltage
32 Sensitive Directional Power
32FP Forward Power
32N Wattmetric Zero-Sequence Directional
46 Negative Sequence Time Overcurrent
47 Negative Sequence Voltage
49P Thermal Model
50BF Breaker Failure
50PH/PL Phase Instantaneous Overcurrent (High/Low)
50N Neutral Instantaneous Overcurrent
Device Number Function
50G Ground Instantaneous Overcurrent
50SG Ground Instantaneous Overcurrent for sensitive ground systems (measured from 5th current transformer input)
50IG Isolated Ground Instantaneous Overcurrent (measured from 5th current transformer input)
51N Neutral Time Overcurrent
51G Ground Time Overcurrent
51SG Sensitive Ground Time Overcurrent
51PH/V Voltage Restraint Phase Time Overcurrent (high)
51PL/V Voltage Restraint Phase Time Overcurrent (low)
59 Source/Load Overvoltage
Device Number Function
59N Source/Load Neutral Overvoltage
67P Phase Directional Overcurrent
67N Neutral Directional Overcurrent
67SG Sensitive Ground Directional Overcurrent
79 Autoreclose (Four shot recloser)
81 U/O Under/Over Frequency
- Broken Conductor
VTFF VT Fuse Failure Detection
60CTS Failure Current Transformer Failure
2nd Harmonic Inhibit Second Harmonic Inhibit

Automation

From simple automation to advanced analytics, the R650 provides the flexibility and scalability required to meet unique application requirements.

Simple loop recloser automation schemes

This is a logic-based automation scheme for self-healing networks. This type of scheme is generally used for providing faster fault isolation and restoration.

Individual recloser controllers make decisions for restoration based on the restoration logic that is programmed into the controllers. This results in quick isolation of the faulty section and automatic restoration thereby minimizing impact on other neighboring customers.

Basic Loop Automation

Simple Loop Automation

Advanced loop recloser automation schemes

The recloser controllers can provide data to remote SCADA, Outage Management Systems (OMS) and Distribution Management Systems (DMS). These systems manage the network automation process by utilizing the recloser controller data for running FDIR/FLISR and taking restoration decisions dynamically.

Advanced Loop Automation

Advanced Loop Automation

EnerVista Software

The EnerVista™ Suite is an industry-leading set of software programs that simplifies every aspect of using the R650. The EnerVista suite provides all the tools to monitor the status of the recloser, maintain the controller, and integrate information measured by the R650 into DCS or SCADA monitoring systems.

Enervista 650 Setup
Logic diagram
Asset monitoring dashboard

Examples of Graphical Logic Capability and Asset Monitoring Dashboard

Learn more about EnerVista Software