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Shaft Generator Project of Ministry of Communications Third Production Company

 

Main Technical Indicators of Variable Speed Constant Frequency Constant Voltage Axle Generator Driven by Speed Increasing Gear Box at Free End of Main Engine  

◆ Connection mode between main engine and generator:the tail-shaft gearbox of main engine increases the speed-increasing output shaft to drive the generator, and the speed-increasing ratio is 1:2.833.

◆ Main engine speed range:350-600R/min

◆ Generator operating speed range:850-1700R/min

◆ Generator Protection Level:IP23

◆ Generator rated power:250KW

◆ Generator rated frequency:50HZ

◆ Generator rated output voltage:420V

◆ Generator wiring form:Y-type three-phase three-wire system

◆ Generator Insulation Class:H

◆ Generator Working Mode:Continuous

◆ Generator excitation mode:brushless synchronization

◆ Generator cooling mode: air cooling

◆ Generator pole logarithm:P=2

◆ Rated Output Power of Control Cabinet:250KW

◆ Rated Output Frequency of Control Cabinet:50HZ

◆ Rated Output Voltage of Control Cabinet:420V

 

Project Name: Shaft Generator Project of Ministry of Communications Third Production Company

 

Equipment load: 250KW

 

Installation equipment: The axle-belt engine installed in this project is to increase the speed-increasing gear box to drive the variable speed constant frequency constant voltage axle-belt generator at the free end of the main engine. The generator of this project is an electrically excited six-pole generator. The main engine generates electricity in the range of 350-550 rpm/sub-range. The project reporting period is 10 months. Extend the maintenance cycle by 1.8 times.

Shaft Generator Project of Ministry of Communications Third Production Company

 
 

Output Voltage Curve of Shaft Generator System (Generator+Control Cabinet)

  Schematic Diagram of Speed-Voltage Curve and Speed-Power Curve of Axle Generator   

 

  Schematic diagram of axle drive   

 
 

Output Power Curve of Shaft Generator System (Generator+Control Cabinet)