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ABB UNS0007A-P.V1 HIEE305098R0001｜Circuit board｜
Core functionality
Accurate control of excitation current: suitable for synchronous generator/large motor excitation winding
Trigger pulse generation: provide trigger signal to thyristor/IGBT rectifier bridge
Multi mode excitation: constant excitation, adaptive excitation, PID regulation
Fault diagnosis+protection: overcurrent/overvoltage/demagnetization/overheating detection, with alarm contacts
Communication: Data exchange with upper level controllers (such as DCS/PLC)
Parameter
Power supply: 24 VDC ± 10%, approximately 1 A
Output: Excitation trigger pulse/current signal
Working temperature: -40 ℃~+70 ℃
Insulation withstand voltage: 2000 VAC (input/output to ground)
Certification: IEC 61508 SIL 3 (Safety Level)
Application
Power plant: excitation system for steam turbine generator/hydro generator
Industry: Large synchronous motors, variable frequency drives, SIS safety instrumented systems
Supporting equipment: ABB UNITOL excitation system, DCS rack, MPSIII power supply framework
Zhangzhou Fengyun’s main products include ABB, GE, Bently Nevada Bentley, ICS TRIPLEX, Honeywell, Schneider, EPRO, yokogawa Yokogawa, Woodward, EMERSON, Emerson, and Invensys TRICONEX, which have abundant inventory, fast delivery, and reliable quality.
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