Product Short Description
Product Introduction:
The Hydran 201Ti is a compact, permanently installed on-line DGA monitor designed for continuous monitoring of dissolved fault gases in transformer oil, leveraging fuel cell technology to detect incipient faults early and minimize unplanned outages, compliant with IEEE Standard C57.104. It consists of a sensor unit and electronic modules housed in a cylindrical enclosure, offering two sensor options: the “Hydran Composite Gas” sensor (100% responsive to Hydrogen, plus sensitivity to CO, Acetylene, Ethylene) and the “Hydrogen Only” sensor, both using a gas-permeable membrane and combustible gas detection principle.
The Hydran 201Ti is a compact, permanently installed on-line DGA monitor designed for continuous monitoring of dissolved fault gases in transformer oil, leveraging fuel cell technology to detect incipient faults early and minimize unplanned outages, compliant with IEEE Standard C57.104. It consists of a sensor unit and electronic modules housed in a cylindrical enclosure, offering two sensor options: the “Hydran Composite Gas” sensor (100% responsive to Hydrogen, plus sensitivity to CO, Acetylene, Ethylene) and the “Hydrogen Only” sensor, both using a gas-permeable membrane and combustible gas detection principle.
Description
- Technical Specifications:
- Measured Gases: Hydrogen (H₂) as primary, with composite sensor also responding to CO, C₂H₂, C₂H₄
- Measurement Range: 0–2,000 ppm (H₂ equivalent); other ranges available
- Accuracy: ±10% of reading ±25 ppm for 0–2,000 ppm range (H₂ equivalent)
- Response Time: 10 minutes (90% of step change)
- Sampling Method: Dynamic Oil Sampling via flooded port with 1 in NPT male threads; no pump or extra piping needed
- Medium Compatibility: Mineral insulating oil for transformers
- Enclosure: Cylindrical, weatherproof design
- Communication Interfaces: Isolated RS-485 (Modbus protocol), isolated USB Type B; optional Ci-1 or Ci-C controllers for extended I/O and multi-unit daisy-chaining (up to 32 devices, max chain distance 1200m)
- Outputs: Isolated 4–20 mA analog output; alarm relay contacts (gas high, gas high-high, system fault)
- Power Requirements: 24 VDC (18–32 VDC); 110/220 VAC optional with adapter
- Environmental Ratings: Operating temperature -30°C to +65°C; IP65 protection (sensor enclosure)
- Function Features:
- Continuous Fault Detection: Provides real-time monitoring of key fault gases to identify overheating, arcing, or partial discharge early
- Local & Remote Alerts: User-configurable alarms (predefined levels/rates of change) with local LCD indication and remote notifications via RS-485/USB
- Data Logging: Stores 1 year of hourly gas data and critical event logs for trend analysis and troubleshooting
- Plug-and-Play Installation: Mounts on a single transformer valve; no external sampling pumps or complex piping required
- User-Friendly Interface: Backlit alphanumeric LCD with 6-key keypad for on-site configuration, gas level viewing, and trend checking
- Compatibility with Perception™ Software: Seamlessly integrates with GE’s Perception™ software for centralized data management, trending, and reporting
- Scalable Networking: Daisy-chain up to 32 units/controllers for fleet-wide monitoring with a single communication point
- Application Scenarios:
- Power Utilities: Ideal for distribution transformers, less-critical transmission transformers, and fleet-wide asset health management to prioritize maintenance and replacement strategies
- Industrial Plants: Protects transformers in manufacturing facilities, refineries, and chemical plants to avoid costly production downtime from unplanned outages
- Renewable Energy Infrastructure: Monitors transformers in wind farms, solar parks, and energy storage systems to ensure reliable grid integration
- Transit & Heavy Industry: Used in railway substations, mining operations, and marine vessels where transformer reliability is critical for operational continuity
- Backup Power Systems: Safeguards transformers in hospitals, data centers, and critical infrastructure to prevent service disruptions
- Installation & Maintenance:
- Mounting: Single-valve installation on standard transformer oil drain/ sampling valve; no modifications needed
- Setup: Guided via LCD keypad or Hydran Host software; auto-calibration at startup with minimal user input
- Maintenance: No consumables or carrier gases required; annual verification recommended to ensure sensor accuracy
- Accessibility: Optional Ci-1 display repeater for high-mounted units; Ci-C controller for multi-unit consolidation
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