Description

The ABB PP845 is a state-of-the-art feeder protection relay engineered for medium-voltage power distribution networks, forming a critical component of ABB’s Relion® 650 series. Designed to safeguard electrical systems against faults, the ABB PP845 integrates advanced protection, control, and monitoring functionalities. It supports comprehensive overcurrent, earth-fault, and directional protection schemes, ensuring rapid fault detection and isolation to minimize downtime. As part of ABB’s digital substation ecosystem, the ABB PP845 leverages IEC 61850 communication protocols for seamless integration with SCADA and industrial automation systems, providing real-time diagnostics and event logging. Its modular architecture allows flexible customization for diverse grid configurations, making it ideal for utilities, industrial plants, and renewable energy applications. The ABB PP845 enhances grid resilience by combining cybersecurity features with user-friendly local interfaces, solidifying ABB’s leadership in intelligent power management solutions.

ABB PP845

Technical Specifications

Main Features and Advantages

The ABB PP845 delivers unmatched reliability through its adaptive protection algorithms, which dynamically adjust to grid conditions to prevent false tripping. Cybersecurity is prioritized with embedded encryption and role-based access control, aligning with IEC 62443 standards. Its user-centric design includes a high-resolution LCD for local diagnostics and a web-based interface for remote configuration via PCM600 software. The relay’s arc-flash detection capability reduces equipment damage risks, while built-in disturbance recording captures 128 fault events for root-cause analysis.
Efficiency is enhanced through seamless integration with ABB’s System 800xA DCS, enabling centralized asset management. The ABB PP845 also supports auto-reclosing functions to restore power within milliseconds after transient faults. With a 20-year lifecycle and hot-swappable modules, it minimizes maintenance costs. These features collectively ensure the ABB PP845 optimizes grid stability while future-proofing infrastructure investments.

Application Field

The ABB PP845 excels in critical power distribution environments. In utility substations, it protects feeders and transformers from overloads and short circuits, ensuring grid reliability during peak demand. Industrial facilities deploy the ABB PP845 to safeguard manufacturing lines, data centers, and mining operations, where uninterrupted power is essential for process continuity. Renewable energy applications leverage its directional protection for solar/wind farm collector systems, isolating faults without cascading outages.
Transportation networks, including railways and airports, rely on the ABB PP845 for traction power supply security. It also mitigates arc-flash hazards in oil and gas switchgear, enhancing personnel safety. The relay’s compliance with global standards makes it adaptable for smart grid modernization projects, cementing the ABB PP845 as a versatile solution for evolving energy infrastructures.

Related Products

ABB REF615: Line differential protection relay for higher-voltage tiers.

ABB REM615: Motor protection relay with thermal modeling.

ABB RET615: Transformer protection unit with harmonic restraint.

ABB REC615: Bay controller for substation automation.

ABB PCM600: Configuration software for Relion® series.

ABB SPAJ 110 C: Backup protection for cost-sensitive applications.

ABB COM600: Communication gateway for protocol conversion.

ABB PP845

Installation and Maintenance

Pre-installation preparation: Verify voltage compatibility and environmental conditions (humidity <95>ABB PP845 vertically on DIN rails, ensuring 50mm clearance for ventilation. Connect CT/PT wiring via screw terminals, adhering to IEC 60255 for grounding.
Maintenance recommendations: Perform annual functional tests using ABB’s Test Universe software. Monitor relay self-diagnostics via LED indicators; replace backup batteries every 5 years. Clean vents with compressed air quarterly to prevent dust accumulation. For firmware updates, download certified packages from ABB’s support portal to maintain the ABB PP845’s cybersecurity compliance.