GE 369-HI-R-0-0-0-0-E power system monitoring combined

The ‌GE Multilin 369-HI-R-0-0-0-0-E stands as a pinnacle of motor protection technology, combining advanced diagnostic capabilities with robust power system monitoring. As part of GE’s renowned Multilin 469 series, this ‌369-HI-R-0-0-0-0-E‌ model delivers comprehensive protection for medium-voltage motors up to 15kV, featuring 32-bit DSP processing for real-time thermal modeling. The device integrates motor start supervision, vibration monitoring, and energy metering into a single unit, reducing panel space requirements by 40% compared to conventional solutions. With dual Ethernet ports supporting IEC 61850 Ed.2 and Modbus TCP protocols, the ‌GE 369-HI-R-0-0-0-0-E‌ enables seamless integration with modern DCS and SCADA systems while maintaining legacy compatibility through RS485 interfaces.

Technical Specifications

Product Model | ‌369-HI-R-0-0-0-0-E‌
Manufacturer | GE Grid Solutions
Product Type | Motor Protection Relay
Voltage Rating | 5kV to 15kV (phase-to-phase)
Current Input | 5A/1A CT secondary (configurable)
Protection Functions | 27+ elements including thermal overload, stall, unbalance
Communication Protocols | IEC 61850, Modbus TCP, DNP3.0, PROFIBUS DP
Operating Temperature | -40°C to +70°C
Display | 5.7″ color LCD with capacitive touch
Relay Outputs | 8 programmable Form-C contacts
Mechanical Life | 100,000 operations
Enclosure Rating | IP52 (front panel), IP20 (rear)
Certifications | UL 508, IEC 60255, IEEE C37.90

Key Features and Advantages:

The ‌GE Multilin 369-HI-R-0-0-0-0-E‌ introduces adaptive thermal protection using real-time rotor and stator temperature modeling, increasing motor lifespan by 30%. Its patented “Waveform Capture” technology records 128 cycles of pre-fault data at 4kHz sampling rate, enabling precise root cause analysis. The relay’s dual-redundant power supplies (85-265V AC/DC) ensure continuous operation during voltage dips, while the built-in EN50155 compliance makes it suitable for railway traction applications.

Advanced cybersecurity features include role-based access control with 256-bit encryption and signed firmware updates, meeting NERC CIP and IEC 62351 standards. The ‌369-HI-R-0-0-0-0-E also provides predictive maintenance alerts through continuous bearing vibration analysis (0-5kHz spectrum), reducing unplanned downtime by up to 45% in industrial applications.

Application Fields:

In petrochemical plants, the ‌369-HI-R-0-0-0-0-E monitors critical centrifugal compressors with <8ms fault clearance time, while its SIL2-certified protection logic ensures compliance with safety instrumented systems. Mining operations benefit from its IP52-rated enclosure resisting dust ingress in conveyor drive applications. The relay’s harmonic analysis capability (up to 31st order) makes it indispensable for VFD-fed motors in water treatment facilities.

Power generation applications leverage its motor start sequencing logic for boiler feed pumps, while the integrated energy metering (0.2s class accuracy) helps optimize plant efficiency. The ‌GE Multilin 369-HI-R-0-0-0-0-E‌ particularly excels in offshore platforms where its corrosion-resistant coating withstands salt spray exposure per ISO 9227 standards.

Installation and Maintenance:

Installation preparation: The ‌369-HI-R-0-0-0-0-E‌ requires 50mm clearance on sides for heat dissipation. Use shielded twisted-pair cables for CT connections, with shield grounded at single point only.

Maintenance recommendations: Perform annual contact resistance measurement on output relays using GE’s TEST-469 kit. Verify thermal model calibration every 24 months by injecting 90% of motor FLA. For ‌369-HI-R-0-0-0-0-E‌ units in dusty environments, clean air vents quarterly using low-pressure nitrogen.