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BE1 Numerical Protection Systems
 

BE1-GPS100 |

  BE1-1051 BESTNET - Easy Ethernet |

   BE1-951    | 

 BE1-851 |      BE1-851E

BE1-CDS240 |

  BE1-CDS220      |

   BE1-IPS100 |

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BE1 Numerical Protection Systems are available in rack mount or retrofit friendly packages for any application. Their BESTlogic programmable logic provides the user with flexibility, while common protocols aid integration. Click here to see communications capabilities for the entire line.

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BE1-1051 Overcurrent Protection System
 

Product Bulletin

Instruction Manual

Protocol Manuals

Product Software

Application Guides

Guideform Specifications

Bulletin UHS (includes stylechart)

BE1-1051 Manual

DNP3 manual

BESTCOMS

Generator Protection

BE1-1051 Specs in Word

 

BE1-1051
Manual by sections

Modbus Manual

BESTwave

Transformer Protection

BE1-1051 Specs in PDF

 

 

 

BESTprint

 

 

Click here for Application Notes and Technical Papers and other Resources

The BE1-1051 is a multifunction, numerical relay that provides three phase, ground and negative sequence and directional or non-directional overcurrent protection with permissive pilot logic.

It also provides directional power, four shot recloser, breaker failure, over/ underfrequency, over/undervoltage, sync check, breaker monitoring, control, and metering functions in an integrated system.

BE1-1051 Family

Available in horizontal and vertical configurations.

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Device Functions

24

25
Option

27

50

60

BF

32

51

62

79

47

59

67

81

DNP
Option

Modbus
RTU
Option

BESTnet+
Ethernet Option

Standard features include:

  • Each overcurrent element can be individually set for directional or non-directional control for maximum flexibility in any application
  • BESTlogic provides the user with complete flexibility in configuring a protection and control system. User programmable variable and switch names make these relays completely self-documenting.
  • Programmable LCD display allows the relay to replace local indication and control functions, such as panel metering, alarm annunciation, and control switches.
  • Three independent communication ports with protocol support allow integration with distributed control systems.
  • Includes frequency tracking and voltage restrained overcurrent for generator backup and cogeneration applications.
  • Includes Real Time Clock with 8 hour capacitor ride through, and optional battery backup
  • BESTCOMS GUI software available to aid in setup.

Optional Features

  • Optional Direct Access Virtual Control panel can eliminate panel switches by allowing access to virtual control switch functions at the push of a button.
  • Optional Pushbutton with cover may be installed to allow for direct tripping of the circuit breaker.
  • Optional Ethernet port allows high performance, peer-to-peer communications for the next generation of integration systems.
  • Provides optional separate ground current input for those applications where this is required. Optionally, this input may be for Sensitive Earth Fault.

All configurations are fully drawout and fit cutout, drilling, and behind panel projection dimensions for Basler, GE M1/M2 and Westinghouse FT32 cases.
 

Application Notes and Technical Papers and other Resources

Application Notes
- Application Note PC-COM01- Basic instructions for setting up HyperTerminal and Terminal
- Application Note PC-59N01 - A discussion of two methods to determine the zero sequence component of the line voltage and tripping with the 59N function
- Mathcad file for PC-59N01
- Application Note PC_RTF Compare - Instructions for an easy way to quickly and accurately compare two numeric relay settings files using BESTCOMS and Microsoft® Word.
- Application Note PC-2502 - Understanding and applying the sync check (25) phase angle compensation in Basler numeric relays.
- Application Note PC-ArcFlash - Arc Flash Hazard Mitigation Through Relaying

Technical Papers
- Protective Relaying with DG
- Intertie Requirements for DG

Other Resources
- BNS Time Current Characteristic Spreadsheet

ISO Certificate Link


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