ABB 3BHB045647R0003

ABB 3BHB045647R0003 is a high performance excitation SCR module, mainly used to control the SCR rectifier in the excitation system of a generator. The main role of the excitation system is to provide excitation current to the generator, so as to establish and maintain the generator’s magnetic field, control the output voltage and power factor of the generator.

Product parameters and specifications:
Rated voltage: 3300V

Rated current: 45600A
Rated power: 150.96MVA
Switching frequency: 20Hz
Package type: high-power module package
Cooling method: forced air cooling or water cooling
Control mode: gate control
Protection function: over current, over voltage, short circuit protection, etc

Main functions:
Control generator excitation current: By adjusting the frequency and width of the trigger pulse, the generator excitation current is precisely controlled, so as to adjust the output voltage and power factor of the generator.
Improve the generator operating stability: improve the dynamic response of the generator, improve the stability of the system.
Protect the generator: provide over current, over voltage and other protection functions to prevent the generator overload damage.
Improve system efficiency: Reduce system losses and improve energy efficiency.
Application field:
Power system: generator excitation system for power plants and substations.
Industrial drive: High power motor drive system.
Power electronic equipment: static reactive power compensation device, DC transmission system, etc.