3701/60A | Bently Nevada | Wind Turbine Monitor

Overview

The 3701/60A Wind Turbine Monitor provides continuous protection and condition monitoring for wind turbine generator systems, focusing on high-reliability applications like tower sway, bearings, and gearbox monitoring.

Electrical Specifications

• Input Power: 18 Vdc - 36 Vdc
• Max Current: 1.7 A
• Inrush Current: 2.7 A (less than 5 ms)

Processor Module

• Inputs: 12 dynamic signals, 2 Keyphasor signals
• Dynamic Range: 110 dB
• A/D Conversion: 24-bit Sigma-Delta
• Bandwidth: 0 to 40 kHz
• Outputs: 2 independent Ethernet ports (10/100 BaseT)
• LED Indicators: OK, Bypass, ATTN, Mode, Alarm, Warning, and Keyphasor signals

Accuracy & Monitoring

• Accuracy: ± 0.5% (typical)
• Frequency Monitoring: Rotor, Bearing, and Mesh Frequencies ± 6.7%
• Tower Sway: ± 0.16 m/s² (typical)
• Generator Electrical Noise: ± 1% (50 Hz to 10,000 Hz)

Alarm Modes & Data

• Alarming Modes: 5 modes based on generator power
• Setpoints: Warning and Alarm levels
• Dynamic Data: Asynchronous and Synchronous waveforms
• Data Storage: 2 Weeks (typical)

Keyphasor Signal & Speed Range

• Speed Range: 1 to 120,000 rpm (Limited to 2,000 rpm for wind turbines)
• Supported Transducers: Bently Proximity Probes, TurningPoint TP100 Accelerometer

Environmental Specifications

• Operating Temp: -40°C to +70°C
• Storage Temp: -45°C to +85°C
• Vibration: 5g @ 57-500 Hz
• Shock: 15g, 11ms
• Humidity: 0% to 95% (non-condensing)

Physical Details

• Dimensions: 26.7 x 21.6 x 17.8 cm (10.5 x 8.51 x 7.01 in)
• Weight: 4.3 kg (9.4 lbs)
• Mounting: Bulkhead mounting