Model: BF-51 main functions and features 1. access speed signal, the stator voltage, real-time monitoring of generator power angle 2. Access system voltage, real-time system power angle 3. Compatible 1: 1,1: 60 two kinds of speed signal 4. generator power angle transmitter output (4-20mA); generator power angle over limit alarm output 5. The system power angle transmitter output (4-20mA); system power angle over limit alarm output 6. Monitoring stator voltage, stator current, active power, reactive power generator run time parameters 7. RS485 (MODBUS) 8. Communication can not access the site speed signal, to enable the calculation of power angle measurement parameters and notation BF-51 dG dimensionless parameter generator power angle ° dS system power angle ° US system voltage KV (V) n speed rpm UAB stator voltage KV (V) UBC stator voltage kV (V) UCA stator voltage kV (V) IA stator current KA (A) IB stator current kA (A) IC stator current kA (A) F generator frequency Hz P active MW (kW) Q reactive power Mvar (kVar) cosφ power factor Technical parameters 1. Accuracy parameter display unit Accuracy (FSR) of the stator voltage kV / V 0.2% of the stator current kA / A 0.2% active MW / kW 0.5% Reactive power MVar / kVar 0.5% power factor of 0.5% Frequency Hz ± 0.01Hz power angle ° ± 0.1 ° 2. stator voltage channel input speed signal path stator current channel input impedance> 50kΩ> 50kΩ <0.05Ω range AC150V 0 ~ 150V AC10A isolation voltage (input / output) 3000VDC 3. transmitter output power range of the load capacity of the corresponding value of the angle 4-20mA 500Ω 0 ° 90 ° 4mA 20mA 4 Alarm node 12A, 125VAC; 7A, 250VAC or 28VDC 5. Serial communication port: RS-485, MODBUS protocol standard references 6. dielectric strength (between input / chassis / power): IEC688-1992 test methods: AC2kV 1 minute leakage current 2mA 7. Stability Temperature Range: -10 ~ 50 ℃ temperature: 100ppm / ℃ long-term stability: <0.2% / year 8. Operating Conditions Temperature: -10 ~ 50 ℃ Humidity: 20% to 95% without 9. Storage conditions condensation temperature: -25 ~ 75 ℃ Humidity: 20 - 95% non-condensing 10. Power supply Power supply voltage: AC 198 ~ 242V 40 ~ 70Hz; DC110-220V machine power: <5W 11. Weight NW: 3.5kG 12. Dimensions (mm) Dimensions: 160 (L) × 84 (width) × 32 (D) installation hole size: 150 × 75 Harbin Branch Road Equipment Co., Ltd. Tel: 13359989093; 18845158050 Website: WWW.MTTM.CN QQ: 14112580 Address: Room 335, Harbin No. 135 Songshan