ABB TVOC-2-240 Arc Guard System Arc Monitor

Description

Technical Specifications

Functional Features

1. Ultra-Fast Arc Fault Detection

• High-Sensitivity Optical Sensing: Detects the characteristic intense light radiation from arc flashes across a wide spectrum, ensuring early and reliable fault recognition.
• Millisecond-Level Reaction: Transmits a trip signal via high-speed IGBT outputs in less than 1 millisecond, enabling breakers to clear the fault before catastrophic energy release.
• Pre-Calibrated Sensors: Utilizes factory-precalibrated optical detectors for consistent performance, eliminating field calibration requirementsABB Group.
• Nuisance Tripping Prevention: Advanced algorithms distinguish between genuine arc faults and normal light sources, ensuring operation only when necessary.

2. Advanced System Integration & Flexibility

• Integrated HMI Panel: Features a built-in LCD display with pushbuttons for local status monitoring, parameter configuration, and event logging.
• Door-Mountable HMI: The HMI unit can be remotely mounted on the switchgear door for easy access without opening the panel.
• Extensible Architecture: Supports connection of up to 2 extension units, increasing optical input capacity from 10 to 30 channels for full switchgear coverage.
• Zone Selective Protection: Capable of tripping up to 3 separate breakers with zone selectivity, minimizing the impact on the broader electrical network.
• Communication Capability: Compatible with COM modules for Modbus RTU communication, enabling remote monitoring and integration with SCADA systemsABB Group.

3. Functional Safety & Reliability

• SIL 2 Certified: Complies with strict international functional safety standards (IEC 61508, IEC 62061) for safety-related applicationseeroABB Group.
• Performance Level d: Meets EN ISO 13849-1 standards, confirming its suitability for high-demand industrial safety functionseero.
• Industrial-Grade Durability: Operates reliably in extreme temperatures (-25 °C to +55 °C) and harsh industrial environmentseero.
• High Isolation & EMC Performance: Features reinforced insulation and superior electromagnetic compatibility, ensuring stable operation in electrically noisy substationsABB Group.

4. Simplified Installation & Operation

• User-Friendly Interface: Intuitive start-up menu and configuration wizard reduce commissioning time and complexityABB Group.
• Versatile Mounting: Supports both standard DIN-rail mounting and direct panel mounting for flexible installationABB Group.
• Comprehensive Diagnostics: Provides continuous self-monitoring and real-time status indication for all inputs, outputs, and system components.
• Event Logging: Records arc events, fault data, and operational history for post-incident analysis and system optimization.

5. Broad Compatibility

• Universal Breaker Interface: Compatible with all modern circuit breakers equipped with fast-acting trip coils.
• Wide Voltage Range: Universal 100–240 V AC/DC power input for global application without modification.
• Standardized Accessories: Works with a full range of ABB optical detectors, fiber-optic cables, and extension units for customized installations.

Application Scenarios

1. Electrical Switchgear & Distribution

• Low-Voltage Switchgear: Primary protection for main distribution boards, motor control centers (MCCs), and capacitor banks.
• Medium-Voltage Switchgear: Arc flash protection in panel boards, feeder bays, and transformer connections in industrial and utility substations.
• Arc-Resistant Switchgear: Integrated component in arc-resistant switchgear designs to enhance safety compliance.

2. Power Generation Facilities

• Thermal Power Plants: Protects generator step-up transformers, auxiliary power systems, and high-voltage distribution networks.
• Hydroelectric & Wind Farms: Safeguards power converters, collector systems, and grid interconnection equipment.
• Combined Heat & Power (CHP) Plants: Ensures safety in on-site power generation and distribution systems.

3. Oil & Gas Industry

• Offshore Platforms: Critical protection for electrical equipment in hazardous and classified areas.
• Refineries & Petrochemical Plants: Safeguards power distribution in processes involving flammable materials.
• LNG Facilities: Arc protection for cryogenic processing and high-value electrical infrastructure.

4. Heavy Manufacturing & Industrial

• Metals & Mining: Protects high-power drives, smelting operations, and material handling systems.
• Chemical & Pharmaceutical: Ensures safety in production facilities with complex electrical distribution.
• Automotive Manufacturing: Safeguards body shops, paint shops, and assembly line power centers.

5. Data Centers & Critical Infrastructure

• Uninterruptible Power Supply (UPS) Systems: Protects critical power paths and battery backup systems.
• Server Rooms & Data Halls: Minimizes fire risk and downtime in mission-critical IT infrastructure.
• Hospitals & Healthcare Facilities: Ensures continuous power for life support systems and critical care areas.

6. Marine & Offshore Applications

• Commercial Vessels: Protects main and auxiliary electrical distribution on cargo ships and tankers.
• Naval Ships: Shock-resistant arc protection for military vessel power systems.
• Offshore Rigs: Safeguards drilling equipment and dynamic positioning systems.

7. Water & Wastewater Treatment

• Pump Stations: Protects variable frequency drives and high-power pump motors.
• Treatment Plants: Arc monitoring for control panels and power distribution in corrosive environments.
• Desalination Plants: Ensures safety for high-energy reverse osmosis systems.