Description
ABB REF615C_D HCFDACADAND2BNN1XD
I. Basic Information
Model：REF615C_D HCFDACADAND2BNN1XD
Brand：ABB (Swiss), Relion® 615 series new-generation intelligent feeder protection and control integrated device, dedicated secondary equipment for power distribution network and factory power systems.
Product Positioning
The REF615C_D is a high-end intelligent integrated feeder protection and control device of ABB Relion® 615 series. Designed for medium and low-voltage distribution systems, industrial factory power and building distribution lines, it integrates relay protection, electrical measurement, switch control, event recording, fault wave recording and communication networking. Adopting high-performance industrial processor and full-digital operation architecture, it adapts to 10kV/35kV radial networks, ring networks and distributed grid conditions. It realizes accurate feeder fault protection, load monitoring and switch local/remote control, serving as the core secondary measurement and control equipment for distribution network automation, factory power safe operation and intelligent substation renovation, meeting the requirements of refined power grid operation, rapid fault location and isolation, and electrical equipment safety protection.
Hardware Architecture
Adopting integrated modular hardware architecture with ABB dedicated power industrial control processor and full-digital sampling operation logic without analog circuit drift error. It integrates high-precision voltage/current sampling circuits, independent binary I/O loops, hardware fault judgment units and large-capacity fault recording storage units. Built-in multi-level EMC protection, surge suppression and isolated filter circuits ensure complete electrical isolation of analog, binary and communication loops to resist strong electromagnetic interference in substations. Equipped with local HMI panel, status indicators and operation keys for on-site parameter viewing, setting modification, fault query and loop verification. It supports multiple industrial communication protocols with standardized board layout and physical separation of strong and weak current. Multi-level self-diagnosis protection logic covers overvoltage, undervoltage, over-temperature, sampling abnormality and loop failure, ensuring stable performance under harsh substation conditions.
Mounting Specification
Adopts standard cabinet embedded panel mounting, compatible with conventional power cabinet opening sizes for standard substation secondary cabinet layout. The compact reinforced industrial structure has passed industrial anti-vibration, anti-shock and temperature aging tests, tolerating long-term substation vibration, temperature fluctuation, slight dust and humidity. Front panel high-protection design with standardized rear wiring zoning supports dense cabinet arrangement. It meets the 7×24-hour uninterrupted continuous operation standard and adapts to long-term stable operation of unattended substations and intelligent distribution rooms.
Compatible Systems
Exclusively compatible with intelligent substation systems, distribution network automation systems, industrial factory power monitoring systems and energy management systems. It seamlessly connects with power SCADA upper monitoring platforms, background comprehensive protection management systems, PLC control systems and scheduling data networks. Supporting IEC61850, IEC60870-5-103, Modbus, DNP3 and other mainstream power protocols, it realizes multi-device network linkage, synchronous data upload, remote setting tuning and remote switch control. Widely applied in complete protection and control schemes for 10kV/35kV feeder circuits, section switches, tie switches, factory power outgoing lines and new energy grid-connected feeders.
Product Characteristics
1. Full-function integration of protection, measurement, control, wave recording, communication and event recording without additional auxiliary equipment;
2. High-precision digital sampling with accurate electrical measurement and phase tracking, meeting power metering-level monitoring standards;
3. Complete feeder-specific protection logic covering overcurrent, grounding, overload, zero sequence and arc faults with accurate fault judgment and fast response;
4. Full hardware electrical isolation and multi-level anti-interference design prevent protection misoperation and refusal under strong substation electromagnetic interference;
5. Multi-protocol compatible communication networking supports local/dual remote operation modes for intelligent power grid remote regulation and maintenance;
6. Large-capacity fault recording and event storage retains long-term fault waveforms, action sequences and alarm records for traceable fault analysis;
7. Industrial wide-temperature stable operation with low power consumption and no heat accumulation, requiring minimal maintenance for long-term power system operation.
II. Technical Specifications
2.1 Electrical Sampling & Protection Parameters
Rated AC input: 100V voltage, 5A/1A current (compatible with conventional power transformer secondary circuits);
Operating frequency: 50Hz/60Hz adaptive for power frequency systems;
Measurement accuracy: Voltage, current, power and energy measurement comply with secondary power metering standards with precise phase sampling;
Protection functions: Directional/non-directional overcurrent protection, zero-sequence overcurrent protection, earth fault protection, thermal overload protection, arc protection, over/undervoltage protection, frequency anomaly protection, breaker failure protection;
Operation performance: Millisecond-level protection response with blind-spot-free fault judgment and flexible tuning of delay, threshold and interlock logic;
Binary input: Multi-channel programmable passive inputs for breaker status, disconnector, energy storage and remote/local signal access;
Binary output: Multi-channel programmable relay outputs for breaker switching, alarm signal and linkage interlock output.
2.2 Power Supply & Power Consumption Parameters
Auxiliary power supply: DC80～250V / AC100～240V wide voltage adaptive power supply;
Power consumption: Low power consumption in normal operation with minimal temperature rise under no-load and full-load conditions;
Power protection: Built-in surge suppression, reverse connection prevention and over/undervoltage self-locking protection to resist instantaneous grid voltage fluctuation and impact.
2.3 Communication Interface Parameters
Communication interfaces: Standard RJ45 Ethernet and RS485 serial ports, optional optical fiber communication interface;
Supported protocols: IEC61850, IEC60870-5-103, Modbus RTU/TCP, DNP3 multi-protocol compatibility;
Networking capability: Supports single-device independent networking and multi-device master-slave synchronous networking with stable low-latency data transmission;
Remote functions: Supports remote setting modification, parameter downloading, telemetry upload, remote switching and remote fault reading.
2.4 Environmental & Protection Parameters
Operating temperature: -25℃～+55℃, stable protection, measurement and communication performance across full temperature range;
Storage & transportation temperature: -40℃～+70℃, no circuit aging or parameter drift during long-term storage;
Operating humidity: 5%～95%RH, non-condensing, suitable for constant-temperature and constant-humidity indoor cabinet conditions;
Protection class: Front panel IP54, top IP40, rear panel IP20, for indoor substation and distribution room enclosed cabinet installation;
EMC level: Complies with IEC61000 series power EMC standards, resisting lightning surge, static electricity, radiation and conduction interference.
2.5 Structural & Physical Parameters
Specification: Standard 4U embedded cabinet structure, dimension 177mm×177mm×155mm;
Weight: Approx. 3.5kg, lightweight reinforced and anti-loosening body;
Mounting method: Standard embedded panel fixing compatible with universal power cabinet openings for easy assembly and disassembly;
Material: Flame-retardant and anti-corrosion industrial shell with insulation and aging resistance for long-term power system operation.
III. Key Features
3.1 Full-Coverage Feeder Protection with Accurate Fault Judgment
Integrates all core feeder protection functions covering phase short circuit, single-phase grounding, overload overheating, voltage/frequency abnormality and arc faults. It supports directional judgment, zero-sequence judgment and graded delay interlock logic to effectively distinguish internal faults and external interference, eliminating protection misoperation and refusal. Millisecond-level tripping response cuts off faulty circuits instantly to protect feeders, transformers, switchgears and terminal electrical equipment, adapting to complex distribution network fault conditions.
3.2 High-Precision Power Measurement for Intelligent Operation & Maintenance
Adopts high-speed digital sampling algorithm to accurately collect full electrical parameters including three-phase voltage, current, active/reactive power, power factor, energy and frequency in real time. It supports load profile recording, energy statistics and trend analysis with measurement accuracy meeting power operation standards. It replaces traditional independent measuring instruments and realizes integrated feeder protection and measurement in one device, simplifying cabinet equipment and reducing maintenance costs.
3.3 Local & Remote Dual Control for Smart Grid Automation
Supports local panel manual operation and background remote telecontrol dual modes for breaker manual/remote switching and real-time switch status monitoring. Equipped with complete remote control interlock, encrypted authority and operation record functions to eliminate misoperation risks. Compatible with mainstream power background systems and scheduling protocols, it seamlessly connects with distribution network automation platforms to realize unattended substation remote monitoring, automatic fault isolation and line self-healing control.
3.4 Complete Fault Recording & Traceability Capability
Built-in large-capacity non-volatile storage retains long-term fault waveform data, protection action events, alarm records, operation logs and equipment status. It accurately records pre-fault and post-fault waveforms, action sequences and fault types, supporting background waveform analysis and fault review. It provides accurate data support for power fault analysis, accident traceability and operation optimization, greatly improving grid fault disposal efficiency.
3.5 High Anti-Interference Stability for Harsh Power Conditions
Full-circuit electrical isolation, multi-level surge suppression and electromagnetic shielding meet high-grade power EMC requirements, resisting strong electromagnetic interference from substation high-voltage equipment, inverters and breaker operations. Adopting fully digital operation architecture without mechanical wearing parts, it operates stably under low temperature, high temperature and humidity conditions without parameter drift or logic disorder, supporting 7×24-hour uninterrupted continuous operation.
3.6 Modular Configurable Design for Multi-Scenario Expansion & Renovation
Adopts modular functional configuration architecture. Protection logic, control logic, I/O configuration and communication parameters can be flexibly tuned via software without hardware modification. It adapts to different working conditions of ordinary feeders, ring network feeders, grid-connected feeders and factory power outgoing lines, compatible with old substation renovation, new intelligent substation construction and industrial distribution automation upgrading with excellent universality and expandability.
IV. Working Principle
The ABB REF615C_D HCFDACADAND2BNN1XD feeder protection and control device realizes feeder protection, measurement, control and networking based on core mechanisms of high-speed digital sampling + multi-logic intelligent judgment + graded protection linkage + real-time data interaction.
After power-on, the device completes self-inspection, sampling calibration, communication initialization and protection logic loading, and enters standby monitoring status after passing self-check. Analog signals from voltage and current transformer secondary circuits are converted into digital data via high-speed AD conversion. The processor calculates and analyzes the amplitude, phase, frequency and load trend of electrical parameters in real time, and synchronously collects binary signals such as breaker position, local/remote status and equipment alarms.
Under normal conditions, the device continuously completes electrical parameter measurement, load recording, data upload and status monitoring, and stably uploads real-time data to the background monitoring system. When faults such as feeder short circuit, grounding, overload or voltage abnormality occur, the device quickly compares real-time data with preset protection fixed values and logic thresholds to accurately judge fault type and area, outputs tripping signals according to tuned delay to drive breaker opening and isolate faults, meanwhile locking fault codes, recording fault waveforms and action sequences, and uploading alarm information.
The device supports local key operation and remote background telecontrol for manual switching, parameter modification and fixed value tuning. Real-time hardware self-inspection is implemented throughout operation; alarms and logic interlock are triggered actively in case of sampling abnormality, communication interruption, power failure or hardware anomaly, ensuring safe, stable and reliable operation of the entire feeder control system.
V. Application Scenarios
1. 10kV/35kV urban distribution network feeder circuits: Protection, measurement, fault isolation and load monitoring for urban overhead and cable lines;
2. Industrial factory power systems: Comprehensive protection and automatic measurement and control for high-voltage outgoing lines, section switches and tie switches;
3. New energy grid-connected systems: Feeder protection, anti-islanding, fault monitoring and grid-connected control for distributed photovoltaic and wind power stations;
4. Intelligent substation secondary systems: Integrated protection and measurement renovation and old comprehensive protection equipment replacement for medium and small substation feeder bays;
5. Large building and park distribution systems: Safety protection, power consumption monitoring and automatic operation management of high-voltage distribution circuits;
6. Rail transit, metallurgical and petrochemical dedicated power distribution: Heavy-load feeder and impact load line protection adapting to complex industrial power consumption conditions.
