The B30 features integrated protection, control and metering for MV, HV and EHV busbars, providing cost-effective, feature-focused busbar protection. Use the B30 to protect busbars with up to 6 feeders with up to two three-phase differential zones. The B30 is a cost-effective alternative to high-impedance schemes, ideal for breaker-and-half bus schemes, with integrated feeder backup protection and metering.
High speed differential protection algorithm for sub-cycle trip times of 0.75 power cycle
Complete IEC 61850 Process Bus solution providing resource optimization and minimizing total P&C life cycle costs
Superior CT saturation detection with only 2 msec of saturation-free current for enhanced through-fault stability
Ambient temperature monitoring with alarms when temperature exceeds upper thresholds
Cost-effective alternative
Advanced automation capabilities for providing customized protection and control solutions
High-end fault and disturbance recording, including internal relay operating signals, eliminating the need for redundant recording devices
Application flexibility with multiple I/O options and programmable logic (FlexLogic™)
Robust network security enabling Critical Infrastructure Protection through user command logging, and dual permission access control
Simplified system integration supporting serial and Ethernet interfaces and multiple protocols
Embedded IEC 61850 protocol with no external communications hardware required
Supports English, French, Russian, Chinese and Turkish languages on the front panel
Re-configurable simple bus applications, up to 6 feeders and 2 differential zones with breaker failure
Integrated bus protection and metering for HV and EHV substations
Differential protection with restrained and unrestrained functions
Fast and reliable CT saturation detection
Breaker failure protection
External check-zone
CT ratio mismatch compensation
Dynamic bus replica
Backup time and instantaneous overcurrent elements
Undervoltage function for supervision purposes
The B30 bus differential system provides, secure, sub-cycle low-impedance bus protection for a single busbar with up to six feeders. The B30 is ideally suited for applications where high-impedance schemes were typically used. Overall system costs can be reduced with the B30, since there is no need for dedicated, or interposing, CTs. The B30 comes with advanced features, such as breaker failure, CT trouble detection, undervoltage supervision, and dynamic bus replica. With its extreme flexibility, which includes a CT ratio mismatch of up to 32:1 between terminals, the B30 is the ideal solution in a wide variety of bus differential applications.
Part of the Universal Relay family, the B30 comes with a variety of versatile features, truly integrating protection, monitoring, metering, communication and control in one easy-to-use device. The Universal Relay family offers a high degree of modularity in its design and functionality, providing superior performance in protection and control, while meeting the toughest requirements of the marketplace.
Isolator monitoring
CT trouble monitoring, VT supervision
Metering - current, voltage, frequency
Oscillography - 64 samples/cycle, up to 64 records
Event Recorder - 1024 time tagged events, with 0.5 ms scan of digital inputs
The B30 is the single point for protection, control, metering, and monitoring in one integrated device that can easily be connected directly into DCS or SCADA monitoring and control systems like Viewpoint Monitoring.
The B30 incorporates advanced automation features including powerful FlexLogic™ programmable logic, communication, and SCADA capabilities that far surpass what is found in the average bus relay. The B30 integrates seamlessly with other UR relays for complete system protection.
The internal operation of the B30 elements, logic, and outputs can be monitored in real-time to simplify commissioning and troubleshooting procedures
Complete IEC 61850 Process Bus solution providing resource optimization and minimizing total P & C life cycle costs
Three independent 100Mbps Ethernet ports enable purpose specific LAN support that eliminates latency effect of heavy traffic protocols on mission critical communication services
Embedded IEEE 1588 time synch protocol support eliminates dedicated IRIG-B wiring requirements for IEDs
Direct I/O secures high-speed exchange of binary data between URs
Increase network availability by reducing failover time to zero through IEC62439-3 “PRP” support
The B30 provides for secure remote data and engineering access, making it easy and flexible to use and integrate into new and existing infrastructures. Fiber optic Ethernet provides high-bandwidth communications allowing for low-latency controls and high-speed file transfers of relay fault and event record information. The available three independent and redundant Ethernet options provide the means to create fault tolerant communication architectures in an easy, cost-effective manner.
The B30 supports the most popular industry standard protocols enabling easy, direct integration into DCS and SCADA systems.
IEC 61850
DNP 3.0
IEEE 1588, SNTP for time synch
IEC 60870-5-104
Modbus RTU, Modbus TCP/IP
Ethernet Global Data (EGD)
PRP as per IEC 62439-3
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. Learn More
Use the B30 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 B30’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. Learn More
CyberSentry enables UR devices to
deliver full cyber security features that help customers to comply with NERC CIP and NITIR 7628 cyber security requirements through supporting the following core features:
Password Complexity
Supporting up to 20 alpha- numeric or special characters, UR passwords exceed NERC CIP requirements for password complexity. Individual passwords per role are available.
AAA Server Support (Radius)
Enables integration with centrally managed authentication and accounting of all user activities and uses modern industry best practices and standards that meet and exceed NERC CIP requirements for authentication and password management.
Role Based Access Control (RBAC)
Efficiently administrate users and roles within UR devices. The new and advanced access functions allow users to configure up to five roles for up to eight configurable users with independent passwords. The standard “Remote Authentication Dial In User Service” (Radius) is used for authentication.
Event Recorder (Syslog for SEM)
Capture all cyber security related events
within a SOE element (login, logout, invalid
password attempts, remote/local access, user in session, settings change, FW update, etc), and then serve and classify data by security level using standard Syslog data format. This enables UR devices to integrate with established SEM (Security Event Management) systems.
The EnerVista™ suite is an industry-leading set of software programs that simplifies every aspect of using the B30 relay. The EnerVista™ suite provides all the tools to monitor the status of the protected asset, maintain the relay, and integrate information measured by the B30 into DCS or SCADA monitoring systems. Convenient COMTRADE and Sequence of Events viewers are an integral part of the UR setup software included with every UR relay, to carry out postmortem event analysis and ensure proper protection system operation. Learn More
Cyber Security – CyberSentry UR (FW v7.xx)
CyberSentry enables UR devices to
deliver full cyber security features that help
customers to comply with NERC CIP and NITIR 7628 cyber security requirements through supporting the following core features:
- Password Complexity
- AAA Server Support (Radius)
- Role Based Access Control (RBAC)
- Event Recorder (Syslog for SEM)
Fully Compatible with GE's Multlilin HardFiber System
- Provides support for GE's
IEC 61850 HardFiber Process Bus Solution:
- Complete IEC 61850 Process Bus Solution providing resource optimization and minimizing total P&C life cycle costs. Learn More
New and Enhanced Communication Capabilities (FW v7.xx) - Three independent Ethernet ports
- Time synchronization via IEEE 1588 - PRP as per IEC 62439-3 (FW 7.10)
Extended Oscillography Records (FW v7.xx)
- Configurable events allow for records of up to 45s at 64 samples per cycle
New 2nd Differential Zone Gives Additional Protection Flexibility to the B30
The 2nd differential zone is identical to the 1st one and enables the B30 to suit a larger number of bus bar schemes such as separate small bars, split bars or single bus bar with supervision zone (firmware version 5.70)
- New thermal overload element (FW version 5.90)
Protection & Control 
