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ABB 3BHE004573R0041｜Power Interface Board｜
3BHE004573R0041
Function
Trigger pulse amplification and isolation: 6 independent thyristor (SCR) trigger pulses, isolation ≥ 2500V, driving rectifier bridge.
High precision sampling: excitation current/voltage, synchronous voltage, phase sequence detection, sampling accuracy ± 0.1% FS.
Bridge arm and heat dissipation monitoring: thyristor temperature, bridge arm fault, overcurrent/overvoltage protection, fault signal uploaded to the main control board.
High speed communication: Communicate with the UFC762AE101 main control board via fiber optic/high-speed bus for real-time data exchange and diagnosis.
Parameter
Power supply: 24VDC ± 10%
Power consumption: approximately 8-10W
Pulse output: 6 channels, isolated 2500V, driving current ≥ 2A
Sampling range: excitation current 0-5000A, voltage 0-1000V
Working temperature: -20 ° C~+60 ° C
Size/Weight: 330 × 25 × 152mm/approximately 0.3kg
Certification: CE, UL, SIL2/3 compliance for power plants
Application
Thermal power/hydropower/nuclear power: Generator excitation system (UNITOL 5000) core interface board.
Industrial self owned power plants: excitation control for steam turbine generators in metallurgical, petrochemical, and paper mills.
Pairing board: It must be paired with the UFC762AE101 (3BHE006412R0101) main control board for use.
ABB 3BHE004573R0041｜Power Interface Board｜
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