ABB 3BHE021889R0101｜ADCVI Board｜
UFC721BE101 3BHE021889R0101
Function
High precision synchronous voltage acquisition: generator terminal PT/grid synchronous voltage, 0-1200V AC, isolation ≥ 3000V, accuracy ± 0.05%, used for synchronization, grid connection, and demagnetization protection.
Excitation current/voltage sampling: Excitation circuit CT/VT signal, 0-8000A, 0-1200V DC, dual redundant, seamless fault switching.
High speed AD/DA conversion: 16 bit ADC, sampling rate of 100kHz, real-time data sent to the main control board for AVR/PSS adjustment.
High voltage isolation and lightning protection: strong and weak electrical isolation, surge suppression, lightning protection, suitable for harsh electromagnetic environments in power stations.
Fiber optic communication: Interconnected with UFC762AE101 fiber optic cable (multimode), with a speed of 100Mbps and strong anti-interference capability.
Parameter
Power supply: 24VDC ± 10%, 1.5A
Processor: ARM Cortex-A8 @ 600MHz
Memory: 256MB RAM/512MB Flash
Analog input: 8 channels (PT/CT, excitation I/V)
Synchronous voltage: 0-1200V AC, 3000V isolated
Working temperature: -25 ° C~+70 ° C
Size/Weight: Standard 3U/Approximately 1.0kg
ABB 3BHE021889R0101｜ADCVI Board｜
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