Benefits

* Optional

• Entering protection settings with confidence is easy with BESTCOMSPlus® software that provides intuitive settings with graphs, built-in error checking, and summary screens.
• Complex protection is easy to configure and understand with preprogrammed schemes, drag-and-drop logic, user labels, and notes provided by BESTlogic™Plus.
• The Offline Simulator in BESTlogic™Plus helps identify and troubleshoot the logic without the expensive need for physical hardware.
• Adaptable coordination for difficult applications is made possible by 24 industry-standard timing curves and five user-defined curves.
• Meet your modern communications needs with 10/100Mbit copper or 100Mbit fiber-optic Ethernet with IEC 61850, DNP, or Modbus®.
• Connection is easy, even when using multiple large wires, with large screw terminals for all terminations.
• Get the information you need for system analysis with distance-to-fault, oscillography, demand metering, power quality, breaker monitoring, and other data provided by the BE1-11.
• Easily navigate settings and metering with the intuitive Human Machine Interface (HMI) menu and large LCD display.
• Customize displayed information to meet different application needs with user-definable indicators and labels.
• Direct control of internal logic using Select-and-Operate buttons available on the front panel.
• Fully configurable analog outputs can be used to drive analog meters. Easily assigned trip points can be scaled by the user to reflect measured parameters.
• Up to 14 combined alarm and trip temperature monitoring points are possible using an optional RTD module.
• Reduce installation costs and improve reliability by mounting an optional RTD module near the point of measurement to minimize cable lengths.

Manuals

Bulletins

• Product Bulletin

  • BE1-11f Bulletin, Rev 26, English (792.7KB)
    Feeder Protection System
  • Standards, Dimensions and Accessories, Rev 23, English (1.4MB)
    BE1 Protection Systems and Relays
  • BE1-11f Bulletin, Rev 26, Chinese (1.2MB)
    Feeder Protection System

• Brochure

  • Brochure: Power Systems Solutions - Proven Worldwide, English (5.9MB)
    Solutions for Excitation Systems, Protection Systems/Relays, Voltage Regulators, and Genset/Engine Controllers.
  • Brochure: Power Systems Solutions - Proven Worldwide, Japanese (6.4MB)
    Solutions for Excitation Systems, Protection Systems/Relays, Voltage Regulators, and Genset/Engine Controllers.

• Flyer

  • BE1-11 Digital Protection System: One Powerful and Intuitive Product for Many Applications (1.2MB)
    The BE1-11 digital protection system is designed with many features to addresses reliability issues that can arise from programming complexity.

Technical Resources

• Agency Certification

  • Agency Certification: UL Certificate of Compliance, BE1-11 (196.1KB)

• ANSI Device Reference Sheet

  • Common IEEE Device Numbers, English (133.9KB)
  • Common IEEE Device Numbers, Chinese (191.5KB)
  • Common IEEE Device Numbers, French (133.9KB)
  • Common IEEE Device Numbers, German (140KB)
  • Common IEEE Device Numbers, Spanish (132.5KB)

• Conversion Chart

  • Easy Conversion Chart: BE1-46N to BE1-11f (PDF) (583.2KB)
    Style conversion chart makes it easy to determine the style you need.
  • Easy Conversion Chart: BE1-46N to BE1-11f (XLSX) (1.1MB)
    Style conversion chart makes it easy to determine the style you need.
  • Easy Conversion Chart: BE1-50BF to BE1-11f (PDF) (668.5KB)
    Style conversion chart makes it easy to determine the style you need.
  • Easy Conversion Chart: BE1-50BF to BE1-11f (XLSX) (1.2MB)
    Style conversion chart makes it easy to determine the style you need.
  • Easy Conversion Chart: BE1-67 to BE1-11f (PDF) (584.6KB)
    Style conversion chart makes it easy to determine the style you need.
  • Easy Conversion Chart: BE1-67 to BE1-11f (XLSX) (1.1MB)
    Style conversion chart makes it easy to determine the style you need.
  • Easy Conversion Chart: BE1-951 to BE1-11f (PDF) (845.2KB)
    Style conversion chart makes it easy to determine the style you need.
  • Easy Conversion Chart: BE1-951 to BE1-11f (XLSX) (1.3MB)
    Style conversion chart makes it easy to determine the style you need.

• Guideform Specification

  • Guideform Specification: BE1-11f (DOC) (43.3KB)
  • Guideform Specification: BE1-11f (PDF) (136.7KB)

• Logic Scheme

  • Logic Scheme: Backup Bus Overcurrent Logic (1.3MB)
    Compressed file includes Application Note, BESTspace™ file, printable screenshots, and logic file.
  • Logic Scheme: Basic Overcurrent Logic (1.3MB)
    Compressed file includes Application Note, BESTspace™ file, printable screenshots, and logic file.
  • Logic Scheme: BE1-11f Conversion from BE1-46N (2.2MB)
    Compressed file includes Application Note, BESTspace™ file, and printable screenshots.
  • Logic Scheme: Feeder with Interlock Logic (1.3MB)
    Compressed file includes Application Note, BESTspace™ file, printable screenshots, and logic file.
  • Logic Scheme: Over Excitation with Reverse Power Permissive (750.6KB)
    Compressed file includes Application Note, BESTspace™ file, and logic file.
  • Logic Scheme: Overcurrent with Control Logic (1.3MB)
    Compressed file includes Application Note, BESTspace™ file, printable screenshots, and logic file.
  • Logic Scheme: Overcurrent with Reclosing Logic (1.3MB)
    Compressed file includes Application Note, BESTspace™ file, printable screenshots, and logic file.
  • Logic Scheme: Primary Bus Overcurrent Logic (1.3MB)
    Compressed file includes Application Note, BESTspace™ file, printable screenshots, and logic file.

• Mounting Accessory Drawing

  • BE1-11, Drawing, 9108551021, J Case (DWG) (85.7KB)
    Adapter plate for GE S2 or ABB FT-21 cutout.
  • BE1-11, Drawing, 9108551021, J Case (PDF) (145.5KB)
    Adapter plate for GE S2 or ABB FT-21 cutout.
  • BE1-11, Drawing, 9108551022, J Case (DWG) (70.7KB)
    Adapter plate for ABB FT-31/FT-32 cutout.
  • BE1-11, Drawing, 9108551022, J Case (PDF) (73.3KB)
    Adapter plate for ABB FT-31/FT-32 cutout.
  • BE1-11, Drawing, 9108551029, J Case (DWG) (100.6KB)
    Adapter plate for GE M1/M2 or Basler M1 cutout.
  • BE1-11, Drawing, 9108551029, J Case (PDF) (66.4KB)
    Adapter plate for GE M1/M2 or Basler M1 cutout.
  • BE1-11, Drawing, 9424226101, J Case (DWG) (177.4KB)
    Pivoting projection-mounting kit.
  • BE1-11, Drawing, 9424226101, J Case (PDF) (106.7KB)
    Pivoting projection-mounting kit.
  • BE1-11f, Drawing, 9424200073, J Case (DWG) (171.2KB)
    Retrofit mounting plate for Multilin 735/737 and 750/760.
  • BE1-11f, Drawing, 9424200073, J Case (PDF) (164.9KB)
    Retrofit mounting plate for Multilin 735/737 and 750/760.

• Product Drawing

  • BE1-11 (f,g,i,m,t), Drawing: Rear, Fiber Optic Ethernet, J Case, 10 Inputs 5 Outputs (DWG) (223.6KB)
  • BE1-11 (f,g,i,m,t), Drawing: Rear, Fiber Optic Ethernet, J Case, 10 Inputs 5 Outputs (PDF) (131.7KB)
  • BE1-11 (f,g,i,m,t), Drawing: Rear, Fiber Optic Ethernet, J Case, 7 Inputs 8 Outputs (DWG) (201.2KB)
  • BE1-11 (f,g,i,m,t), Drawing: Rear, Fiber Optic Ethernet, J Case, 7 Inputs 8 Outputs (PDF) (67.5KB)
  • BE1-11 (f,g,i,m,t), Drawing: Rear, RJ-45 Ethernet, J Case, 10 Inputs 5 Outputs (DWG) (231.6KB)
  • BE1-11 (f,g,i,m,t), Drawing: Rear, RJ-45 Ethernet, J Case, 10 Inputs 5 Outputs (PDF) (131.8KB)
  • BE1-11 (f,g,i,m,t), Drawing: Rear, RJ-45 Ethernet, J Case, 7 Inputs 8 Outputs (DWG) (206.3KB)
  • BE1-11 (f,g,i,m,t), Drawing: Rear, RJ-45 Ethernet, J Case, 7 Inputs 8 Outputs (PDF) (68.1KB)
  • BE1-11 RTD, Drawing: Outline (DWG) (550.2KB)
  • BE1-11 RTD, Drawing: Outline (PDF) (56.7KB)
  • BE1-11, Drawing: Cutout, J Case (DWG) (65.3KB)
  • BE1-11, Drawing: Cutout, J Case (PDF) (51.1KB)
  • BE1-11, Drawing: Front, J Case (DWG) (144.7KB)
  • BE1-11, Drawing: Front, J Case (PDF) (80.4KB)
  • BE1-11, Drawing: Outline, H1 Panel-Mount Case (DWG) (554KB)
  • BE1-11, Drawing: Outline, H1 Panel-Mount Case (PDF) (73.9KB)
  • BE1-11, Drawing: Outline, H1 Rack-Mount Case (DWG) (1.2MB)
  • BE1-11, Drawing: Outline, H1 Rack-Mount Case (PDF) (174.2KB)
  • BE1-11, Drawing: Top and Side, J Case (DWG) (521.2KB)
  • BE1-11, Drawing: Top and Side, J Case (PDF) (35.6KB)

• Retrofit Chart

  • The Upgrade Experts — Plug-and-Play and Retrofit Relays (169KB)

• Software Tool (spreadsheet)

  • Spreadsheet: "P" Curve Coefficients for Coordination with Cooper Reclosers (589KB)
    This workbook is intended for use with the Basler Application Note PC-RECLOSER "Basler Numeric Relays Offer Better Coordination for Recloser".
  • Spreadsheet: Harmonic Content Analysis Tool (6.9MB)
    This spreadsheet performs the following: a) Convert a harmonic series to the summation waveform (Inverse Fourier Transform), and b) Calculate the harmonic content of the users sample data waveform (Fourier Transform). This spreadsheet provides tutorial information on how Fourier analysis calculations are handled.
  • Spreadsheet: Perform Basic Complex Number Calculations, Sequence Component Conversions, and other Basic Calculations Associated with Electric Power Systems (685KB)
  • Spreadsheet: Time Current Characteristic Curve Calculator (187.5KB)
    Time current characteristic-curve calculator spreadsheet.

• Technical Paper

  • Technical Paper: A Derivation of Symmetrical Component Theory and Symmetrical Component Networks (1MB)
    Review symmetrical component analysis.
  • Technical Paper: A Practical Guide for Detecting Single-Phasing on a Three-Phase Power System (1.2MB)
    Reference for the loss of one or two phases of a radial three-phase system and includes suggested detection and protection methods.
  • Technical Paper: A Review of System-Grounding Methods and Zero-Sequence Current Sources (1.1MB)
    Grounding methods, sources of ground current, ground-current flow in the power system, and how each impacts protective relaying.
  • Technical Paper: A Survey of Cold Load Pickup Practices (1MB)
    Cold load pickup, the causes and effects.
  • Technical Paper: Arc Flash Mitigation Through Use of Voltage Controlled/Voltage Restrained Overcurrent Elements (244.2KB)
    The use of voltage controlled/voltage restrained overcurrent elements as an arc flash mitigation technique.
  • Technical Paper: Automatic Reclosing - Transmission Line Applications and Consideration (1.2MB)
    Applying autoreclosing to transmission circuits.
  • Technical Paper: Breaker Monitoring with Numerical Relays (789.7KB)
    Breaker duty/contact wear monitoring.
  • Technical Paper: Bus-Protective Relaying, Methods and Application (1.9MB)
    Application of bus-protective relaying, describing and comparing differences.
  • Technical Paper: Choosing the Correct Transfer Switch (569.1KB)
    For effective ground-fault protection, transfer switch must be chosen at project beginning.
  • Technical Paper: Commissioning Numerical Relays (1.1MB)
    Experienced-based changes to commissioning tests and revised documentation of settings as a method for commissioning.
  • Technical Paper: Considerations for Effective RS-485 Network Design (385.1KB)
    Considerations for effective RS-485 network design.
  • Technical Paper: Current Transformer Errors and Transformer Inrush as Measured by Magnetic, Optical and other Unconventional CTs (1.4MB)
    Errors in secondary current for these primary current conditions determine when CTs are at risk, and show, using numerical analysis, the output of a saturated CT.
  • Technical Paper: Directional Overcurrent Relaying in the Distributed Generation Environment (1.4MB)
    Basics of directional overcurrent relaying as applied in modern numeric relays.
  • Technical Paper: Effect of Transformer Connection and Construction on Single-Phasing Detection / Single-Generator Stator Protection (1.3MB)
    Event, failure analysis, transformer theory, and relay solutions from loss-of-phase event at generating station.
  • Technical Paper: Fundamentals and Advances in Breaker-Failure Protection (1.1MB)
    Deciding whether to apply dedicated breaker failure protection.
  • Technical Paper: Ground Differential Protection: Revisited (662.5KB)
    Principles of ground differential protection within industrial power systems.
  • Technical Paper: Life Lessons from the Power System (1.1MB)
    Explores the basic principles of relay protection design and relay protection commissioning, while reflecting upon lessons learned.
  • Technical Paper: Load Shedding for Utility and Industrial Power System Reliability (972.9KB)
    Analysis of the conditions in which load shedding may be needed and review of load shed implementation strategies.
  • Technical Paper: Negative-Sequence Relaying Applications in Ungrounded and High-Impedance Grounded Industrial Systems (988.5KB)
    Negative-sequence overcurrent sensing to detect faults.
  • Technical Paper: Power Quality: Measurement of Sags and Interruptions (760.7KB)
    Measurement of power quality use of meters for residential and small commercial customers as a tool to track outage issues.
  • Technical Paper: Protective Relaying Issues in Low-Voltage Systems as Addressed in the National Electric Code (1.6MB)
    Low Voltage (LV) design practices, as mentioned in the National Electric Code (NEC).
  • Technical Paper: Protective Relaying Methods for Reducing Arc-Flash Energy (1MB)
    Arc flash standards/requirements and high-speed detection and operation techniques used to reduce arc-flash energy via protective relays.
  • Technical Paper: Protective Relaying When Distributed Generation is Added to Your Circuit (874.4KB)
    Advantages of having numeric multifunction protection in place when distributed generation is added to a radial-distribution circuit.
  • Technical Paper: Reliability Considerations of Multifunction Protection (731.9KB)
    Reliability of numerical multifunction protection systems against predecessor technologies.
  • Technical Paper: Upgrading Relay Protection? - Be Prepared. (732.6KB)
    Guidance for your next replacement or upgrade project.
  • Technical Paper: Using GOOSE Messages in a Main-Tie-Main Scheme (894.9KB)
    Main-tie-main circuit breaker bus switching scheme performed using IEC 61850 GOOSE messaging.
  • Technical Paper: Voltage Restrained Time Overcurrent Relay Principles, Coordination, and Dynamic Testing Considerations (729.1KB)
    Dynamic response of 51/27R relays in which the overcurrent element conforms to the dynamic characteristic defined in ANSI C37.112.
  • Technical Paper: Who has the 32? (2.8MB)
    Understanding Directional Power (ANSI device number 32) protection.
  • Technical Paper: Zero-Sequence Impedance of Overhead Transmission Lines (1.1MB)
    Transmission-line impedances, centering on zero-sequence impedances.

Applications

• Application Note

  • Application Note: PC-11F (662.2KB)
    Easy conversion from BE1-46N to BE1-11f
  • Application Note: PC-11F02 (590.4KB)
    How to protect distribution system transformers against overexcitation caused by the addition of DER.
  • Application Note: PC-51Q01 (526.8KB)
    Applying negative-sequence overcurrent elements (BE1-FLEX).
  • Application Note: PC-59N01 (913.7KB)
    A discussion of how system neutral voltages shift during ground faults on high-impedance grounded systems.
  • Application Note: PC-95101 (428.2KB)
    Ideas to implement intertripping with directional overcurrent protection schemes and specifically with the BESTlogic™ in the BE1-951.
  • Application Note: PC-ARCFLASH (996.4KB)
    Several opportunities are available to use relays for the mitigation of arc-flash hazards.
  • Application Note: PC-ARCFLASH2 (804.7KB)
    Helping electric utilities manage NESC 410.A.3 "Flame Retardant Clothing Requirement".
  • Application Note: PC-AURORA (1.4MB)
    Mitigating AURORA vulnerability with BE1-25 and BE1-FLEX.
  • Application Note: PC-BACKUPBUS (1.1MB)
    Preprogrammed Logic: Backup Bus Overcurrent Protection.
  • Application Note: PC-BASICLOGIC (1.1MB)
    Preprogrammed Logic: Basic Overcurrent Protection.
  • Application Note: PC-BESTspace™ (1.3MB)
    Use the BESTCOMSPlus® BESTspace™ feature to easily set your relay.
  • Application Note: PC-CASES (1.1MB)
    Basler Electric cases and dimensions vs. older electromechanical relays.
  • Application Note: PC-CONTROL (1.1MB)
    Preprogrammed Logic: Overcurrent Protection with Control.
  • Application Note: PC-FEEDER (1.1MB)
    Preprogrammed Logic: Feeder Protection with Interlock.
  • Application Note: PC-FLEX-25 (765.4KB)
    Understanding and applying the sync check (25) phase angle compensation in Basler Electric digital relays.
  • Application Note: PC-HIGHSIDEFUSE (467.7KB)
    An example of how to detect high side fuse operations on a delta-wye transformer with a multifunction digital relay.
  • Application Note: PC-OLS (529.8KB)
    Implement Any Logic Scheme Confidently with our Offline Logic Simulator.
  • Application Note: PC-PRIMARYBUS (1.1MB)
    Preprogrammed Logic: Primary Bus Overcurrent Protection.
  • Application Note: PC-RECLOSER (727.8KB)
    Basler digital relays offer better coordination for recloser.
  • Application Note: PC-RECLOSING (1.1MB)
    Preprogrammed Logic: Overcurrent Protection with Reclosing.

Case Studies

• Case Study

  • One Good DECS Deserves Another (616.8KB)
    Throughout Taiwan’s history, many government-owned power plants were built to supply power for the main island of Taiwan and its outlying islands. Basler excitation systems and protective relays are widely used in these plants.