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ABB REF615E_E (Order No.: HBFHAEAGNCA1BNN1XE) is a digital feeder protection relay, belonging to the core protection devices of the ABB RELION® 615 series.Different from the REG216 digital generator protection system, 216EA61b digital input module, 216AB61 composite I/O module and AC-PIN-51 current measurement board, its core advantage is specialized in comprehensive protection, accurate measurement & control, and intelligent communication for medium and low-voltage distribution network feeders.Integrating advanced protection algorithms and digital technology, it is designed specifically for feeder circuits in substations, industrial distribution stations, commercial complexes and other scenarios.It provides all-round protection against short circuit, overload, earth fault and other faults, as well as the "three remote" functions of telemetering, remote signaling and remote control.It is the key core equipment for building an intelligent distribution network protection system, ensuring the safe, stable and efficient operation of the distribution network.
I. Product Positioning
ABB REF615E_E (Order No.: HBFHAEAGNCA1BNN1XE) is used for the protection, measurement and control of feeders and cable circuits in medium and low-voltage (1 kV to 52 kV) distribution networks.It is widely applied in public substations, industrial enterprise distribution stations, commercial complex distribution rooms and other scenarios.It undertakes the core functions of real-time electrical quantity monitoring, fault identification, rapid protection operation and intelligent management & control for feeder circuits.It can accurately detect various fault types such as short circuit, overload, earth fault, overvoltage and undervoltage.Through fast and reliable tripping or alarm actions, it clears faults and limits fault expansion.Meanwhile, it realizes accurate measurement of electrical parameters, fault data recording and remote monitoring, supporting the lean management of the distribution network.
The device adopts a 32-bit high-performance microprocessor and modular hardware architecture, and is seamlessly compatible with smart substation automation systems (SAS), distribution network automation platforms and various ABB power distribution equipment.Compared with traditional protection relays, it features flexible configuration of protection logic, fast operation speed, high measurement accuracy, strong anti-interference capability and abundant communication interfaces.Different from generator protection systems (such as REG216) and pure I/O or measurement modules, it focuses on dedicated feeder protection and integrates protection, measurement & control and communication in one unit.No additional auxiliary modules are required, which greatly improves the intelligence level and operation & maintenance efficiency of distribution network protection.It adapts to various distribution network topologies such as radial, loop and mesh networks, and also meets the grid-connection protection requirements of distributed generation.
II. Technical Parameters
| Item | Specification |
|---|---|
| Type | REF615E_E |
| Order No. / Material Code | HBFHAEAGNCA1BNN1XE |
| Equipment Type | Industrial-grade digital feeder protection relay, ABB RELION® 615 series, Intelligent Electronic Device (IED) |
| Applicable Voltage Level | 1 kV to 52 kV (medium and low-voltage distribution network, depending on specific application) |
| Rated Current | 600 A to 6300 A; CT secondary rated current: 1 A or 5 A; measuring range: 0.1In~20In |
| Rated Voltage | 420 V to 690 V; PT secondary rated voltage: 100 V (line voltage) / 57.7 V (phase voltage); measuring range: 0.1Un~1.2Un |
| Measurement Accuracy | Class 0.2 for current, voltage and energy measurement, meeting high-precision measurement & control requirements |
| Protection Operating Time | Instantaneous overcurrent protection ≤ 20 ms; earth fault protection ≤ 30 ms; time-delay overcurrent protection adjustable (100 ms~10 s), fast fault response |
| Electrical Isolation | Full galvanic isolation between input, output and communication circuits, effectively blocking electromagnetic interference and ensuring stable operation |
| Power Supply | Wide-range AC/DC power supply: 24 V DC / 48 V DC / 110 V DC / 220 V DC ±20%; 110 V AC / 220 V AC ±20%; power consumption ≤ 15 W |
| Operating Temperature | -40℃ ～ +70℃, suitable for various harsh indoor and outdoor environments, strong environmental adaptability |
| Storage Temperature | -40℃ ～ +85℃ |
| Protection Class | IP40 (basic protection), IP54 optional, dustproof and splash-proof, suitable for installation in switchgears and outdoor terminal boxes |
| Dimensions (approx.) | Approx. 360 mm × 250 mm × 180 mm, compact design, supports 35 mm standard DIN rail mounting or panel flush mounting |
| Weight (approx.) | Approx. 10 kg, modular structure for easy installation and maintenance |
| Terminal Type | Industrial-grade screw terminals, suitable for power cables and control signal wires, reliable contact, anti-loosening and convenient wiring |
| Communication Interface | 2 × Gigabit Ethernet ports (supports IEC 61850-9-2, GOOSE, MMS); 1 × RS485 port (supports Modbus RTU), Profibus DP optional, supports remote monitoring and setting adjustment |
| Fault Recording | Sampling rate 1 kHz; recording duration: 200 ms before fault + 800 ms after fault; storage capacity ≥ 100 records; COMTRADE format for convenient fault analysis |
| Key Features | Multi-type fault protection, high-precision measurement & control, flexible communication, programmable logic, fault recording, remote management & control, high anti-interference, modular configuration, RoHS compliant |
III. Core Functions
1. All-round Feeder Fault Protection
Integrates a complete set of protection functions, including three-stage overcurrent protection (instantaneous, time-delayed instantaneous, time-delay) and inverse-time overcurrent protection.Protection settings can be flexibly configured according to feeder load characteristics.Instantaneous overcurrent protection operates within ≤ 20 ms to quickly clear severe short-circuit faults.It supports two earth fault detection modes: residual current protection and zero-sequence current protection, with operation sensitivity ≤ 30 mA, accurately identifying single-phase earth faults and solving the problem of earth fault location in distribution networks.It also integrates voltage-based protections such as overvoltage, undervoltage, voltage unbalance, overfrequency and underfrequency, as well as auxiliary protections including negative-sequence overcurrent, thermal overload and CT broken-wire detection.Interlock control with circuit breakers and disconnectors can be realized through logic programming, preventing all kinds of fault risks in an all-round way.
2. High-precision Measurement & Control and Data Recording
Features Class 0.2 high-precision electrical energy measurement, capable of real-time acquisition and calculation of electrical parameters of feeders such as three-phase current, voltage, active power, reactive power, power factor, frequency, forward/reverse energy.Data are updated in real time and can be displayed locally or uploaded remotely.Built-in fault recording function can record electrical quantity waveforms before and after faults, providing accurate data support for fault analysis and troubleshooting.Supports storage of multiple setting groups (up to 8 groups), which can be quickly switched via communication or local operation to adapt to protection requirements of different feeder operation modes (maintenance, normal power supply).
3. Intelligent Communication and Remote Management & Control
Natively supports mainstream power communication protocols such as IEC 61850 (including GOOSE, MMS), Modbus RTU and DNP3.0.Equipped with dual communication interfaces of Ethernet and RS485, it can be seamlessly connected to smart substation automation systems or distribution network automation platforms.It realizes remote upload of protection information and measurement data, as well as remote setting adjustment.Supports high-speed transmission of GOOSE messages, realizing millisecond-level interaction of key signals such as tripping and interlocking between IEDs.It replaces traditional hard wiring, simplifies engineering design and cabling, and improves system flexibility and scalability.Supports remote access and local control, and can display customized system layout diagrams, facilitating operation & maintenance personnel to remotely monitor equipment status and troubleshoot faults.
4. Flexible Configuration and Logic Programming
Adopts modular hardware and software design.The 20-digit order code can accurately define configurations such as protection function combination, I/O specifications, communication interface type and power supply type.Users can select functions in a "menu-style" manner according to project requirements to achieve customized solutions and avoid function redundancy.Provides graphical logic programming tools, allowing users to customize protection logic and interlock conditions according to actual needs, adapting to personalized requirements of different distribution network topologies and operation scenarios.Equipped with reclosing function (single-side power supply / double-side power supply optional), supporting pre-acceleration and post-acceleration logic for reclosing to improve the power supply reliability of the distribution network.
5. High Reliability and Environmental Adaptability
Adopts industrial-grade high-stability components and passes IEC 61000 series EMC tests.It can effectively resist surges, electromagnetic radiation and high-frequency interference in the distribution network, ensuring long-term stable operation in strong interference environments.Wide operating temperature range (-40℃ ～ +70℃) and protection class up to IP54 enable it to adapt to various installation environments such as outdoor terminal boxes and indoor control cabinets.Built-in self-test circuit can monitor the working status of the device in real time.Normal/alarm/fault status is indicated by onboard LED indicators or LCD screen, facilitating quick fault location and reducing operation & maintenance costs.Supports redundant configuration to further improve system reliability and avoid protection interruption caused by single equipment failure.
6. Convenient Operation and Maintenance
Equipped with a large-size graphical LCD display, supporting multi-language menus with a simple and intuitive user interface.Setting adjustment, parameter configuration, fault query and other operations can be completed via local keys.Supports ABB PCM600 or special commissioning software, allowing engineers to easily perform parameter setting, logic programming, simulation testing and online monitoring, significantly improving commissioning efficiency.Modular structure with pluggable units facilitates quick installation, testing and replacement, greatly shortening downtime for maintenance.The shell is made of aluminum alloy with excellent protection performance, adapting to the harsh environment of industrial sites.
IV. Applications
1. Public Power Industry
Feeder protection for outgoing lines of 10 kV/35 kV public substations.As the main protection equipment for feeders, it quickly clears short circuit, overload and earth fault faults.Combined with the reclosing function, it improves the power supply reliability of the distribution network and reduces power outage time for users.It is also used for auxiliary feeder protection of infrastructure such as power plants, transmission lines and substations, ensuring the stable operation of the power system.
2. Industrial Enterprise Distribution Network
Self-provided distribution stations of large industrial enterprises such as iron and steel, chemical, cement, mining and machinery manufacturing.Used for protection, measurement and control of workshop power feeders and motor feeders.In view of the high impact of industrial loads, protection settings are flexibly configured to ensure the safety of production equipment and continuity of power supply.Adapts to the harsh operating environment in industrial fields such as converter steelmaking, mining and cement manufacturing, resisting strong electromagnetic interference and temperature fluctuations.
3. Commercial and Civil Distribution Network
Feeder protection for 10 kV incoming lines and 0.4 kV outgoing lines of commercial complexes, residential quarters and data centers.Overvoltage and undervoltage protection prevent abnormal voltage from damaging sensitive electrical equipment such as air conditioners and servers, ensuring the safety of commercial operations and residential power consumption.Adapts to compact switchgear installation, saving cabinet space and improving the intelligence level of the power distribution system.
4. New Energy and Transportation Fields
Grid-connection cable protection for distributed photovoltaic and wind power projects.Equipped with auxiliary anti-islanding detection function to ensure the safe grid-connection of new energy power generation systems and reliable disconnection from the grid in case of faults.Used for auxiliary feeder protection of distribution stations and rail transit traction substations in railway and transportation fields.Adapts to the harsh electromagnetic environment and wide operating temperature requirements of railway systems, ensuring stable power supply for key loads such as signal systems and lighting systems.
V. Product Advantages
Dedicated for feeders, comprehensive protection: Designed specifically for medium and low-voltage feeder circuits, integrating all types of protection functions such as short circuit, overload and earth fault. Fast operation speed and high sensitivity can quickly clear faults and limit fault expansion, ensuring the safe operation of the distribution network. Different from generator protection systems and pure I/O or measurement modules, it focuses on the core needs of feeder protection.
High-precision measurement & control, reliable data: Class 0.2 measurement accuracy can accurately collect various electrical parameters. Built-in fault recording function provides complete data support for fault analysis. Multiple setting groups are stored to adapt to different operation scenarios and meet the lean management requirements of the distribution network.
Intelligent communication, interconnection & interoperability: Natively supports mainstream protocols such as IEC 61850 and GOOSE, realizing millisecond-level signal interaction and remote management & control. Seamlessly connects to intelligent distribution network automation platforms, simplifies cabling and engineering design, and improves the intelligence level and operation & maintenance efficiency of the system.
Flexible configuration, strong customization: Modular hardware and software design. The order code can accurately configure functions, interfaces, power supply and other parameters. Supports custom logic programming, adapting to different distribution network topologies and personalized needs to achieve optimal cost-effectiveness.
High reliability, strong environmental adaptability: Industrial-grade components, strong anti-interference design, wide operating temperature range and high protection class. Adapts to various harsh indoor and outdoor environments, long MTBF, reduces unplanned downtime and lowers operation & maintenance costs.
Convenient operation, efficient maintenance: Graphical LCD screen and user-friendly interface support local and remote commissioning and maintenance. Modular pluggable design facilitates quick installation and replacement, greatly shortening downtime for maintenance and improving operation & maintenance efficiency.
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