Product Short Description
Product Introduction:
The HYDRAN M2-X-O1 S1A2 B2 C0 D0 P1 is a next-generation, permanently installed on-line DGA and moisture monitor optimized for transformer condition monitoring. It integrates advanced fuel cell gas sensing and moisture measurement to continuously track dissolved fault gases and oil moisture, detecting incipient failures (overheating, arcing, partial discharge, insulation degradation) early and reducing unplanned outages. The model code denotes specific configurations: “O1” for oil sampling interface, “S1A2” for Composite Gas Sensor (H₂, CO, C₂H₂, C₂H₄) + H₂-only backup, “B2” for communication modules, “C0/D0” for no additional I/O modules, and “P1” for standard power supply. It is designed for mineral and ester-based insulating oils, with a gas-permeable membrane sampling system and no moving parts, ensuring long-term reliability.
Description
- Technical Specifications:
- Measured Parameters: Hydrogen (H₂, primary), Composite Gas (CO, C₂H₂, C₂H₄), Oil Moisture (%RH/ppm)
- Measurement Ranges: H₂ 0–10,000 ppm; CO/C₂H₂/C₂H₄ 0–10,000 ppm; Moisture 0–100 ppm (0–100% RH)
- Accuracy: H₂ ±2 ppm; Composite gases ±10% of reading ±25 ppm; Moisture ±5% RH
- Response Time: 10 minutes (90% of step change) for gases; 15 minutes for moisture
- Sampling Method: Dynamic flooded-port sampling (1 in NPT male); no pump required
- Medium Compatibility: Mineral oil, natural/synthetic ester oils
- Enclosure: NEMA 4X (IP66), weatherproof, 254×210×229 mm dimensions
- Communication: Isolated RS-485 (Modbus RTU), USB Type B; optional Ethernet (B2 code)
- Outputs: 4–20 mA analog (2 channels), 5 C-type alarm relays (gas high/high-high, moisture high/high-high, system fault); 125 VA/250 VAC, 60 W/220 VDC contact rating
- Power: 24 VDC (18–32 VDC); 110/220 VAC optional (P1 code)
- Environmental Ratings: Operating temperature -30°C to +65°C; IP66 protection
- Function Features:
- Continuous Multi-Parameter Monitoring: Tracks H₂, CO, C₂H₂, C₂H₄, and moisture to identify diverse fault types (partial discharge, arcing, thermal degradation)
- Dual-Sensor Redundancy: S1A2 configuration provides Composite Gas Sensor with H₂-only backup for fail-safe operation
- IEEE Model Integration: Calculates winding hot-spot temperature and insulation life using IEEE C57.104 models for predictive diagnostics
- Configurable Alarms: Local LCD (8-key keypad) and remote alerts via Modbus; user-set thresholds for gas levels/rates and moisture values
- Data Logging: Stores 1 year of hourly gas/moisture data and event logs for trend analysis and root-cause investigation
- Plug-and-Play Installation: Mounts on standard transformer valve; no external pumps/piping needed
- APM Software Compatibility: Integrates with GE Perception™ for centralized fleet monitoring and reporting
- Low Maintenance: No consumables or carrier gases; auto-calibration at startup; 5-year sensor lifespan
- Application Scenarios:
- Power Utilities: Distribution/transmission transformers, grid substations, and fleet asset management to prioritize maintenance
- Industrial Plants: Refineries, chemical facilities, and manufacturing plants to avoid production downtime from transformer failures
- Renewable Energy: Wind farms, solar parks, and energy storage systems ensuring grid integration reliability
- Critical Infrastructure: Hospitals, data centers, and transit substations where transformer reliability prevents service disruptions
- Heavy Industry: Mining, marine, and railway applications with harsh operating environments
- Installation & Maintenance:
- Mounting: Direct installation on transformer oil drain/sampling valve (1 in NPT); no modifications required
- Setup: Guided via LCD keypad or Hydran Host software; auto-detection of sensors and communication modules
- Maintenance: Annual verification of sensor accuracy; no scheduled replacement of consumables; field-upgradable firmware
- Remote Access: Modbus/USB/Ethernet (B2 code) for remote configuration, data retrieval, and troubleshooting
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