Basic requirements
The System consists of power supply and distribution system, test power supply system,control system, measuring system, test platform, etc.
The test system adopts advanced Digital four quadrant inverter power supply, constitute the driving system of speed closed loop control speed,Intelligent load box system, measuring system,It is mainly used for complete meet the requirements of all kinds of power frequency electrical performance test of the single three-phase synchronous generator.
The main test function should be included: No-load test, Short circuit test, Transient short-circuit test, Voltage adjustment range test, Shaft voltage measurement, Overspeed ultra-high voltage test, Load characteristics, temperature rise test, efficiency characteristic, vibration test, noise test. steady-state three-phase voltage, current, active power, reactive power, apparent power, power factor, frequency,running time, and the other basic function, phase / line voltage sine wave spectrum analysis of basic function curve and related harmonic analysis curve, etc .
The main technical indexes of the system
1. Rated voltage: 690V, rated current: 0-5000A,
2. active power: 4000KW, rated frequency: 10Hz-65Hz,
3. Power factor: cos φ>0.81, Efficiency: >0.96
4. Speed range: 5rpm-25rpm, Rated torque: 2248kNm
5. Generator type: Permanent magnet synchronous generator with inner rotor |