ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE module
Brand ABB Color Standard Application Industrial height 124mm rated current 360mA
Protection Level IP45 Suitable for motor power 266KW Applicable Site Power Industry Material Code GJR2391500R1220 Power industry HIEE401782R0001 Part No. 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101
Applicable pipe 2 Whether imported is weighing 2.88 kg can be sold nationwide
ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE module
The ABB excitation system consists of eight screens: an AVR control cabinet, a fire magnetic switch cabinet, and five SCR rectifier cabinets. The main components of an excitation transformer cabinet control system are :CIN SCR interface board, COB main control board, FIO Express |/O interface board, GDI gate drive interface board, LCP local control board, MUB measurement and control unit board, PSI power signal interface board, SPA local manual operator, CDP SCR status display. EGC Backup Manual Control Panel
ABB excitation system principle
1. System Overview
The static excitation system controls the excitation current through the thyristor rectifier bridge to adjust the synchronous generator
End voltage and reactive power for purpose.
The whole system can be divided into four main parts: excitation transformer, two sets of independent excitation modulation
Jointer, thyristor rectifier unit, excitation unit and magnetic disconnection unit.
In static excitation systems (often called self-shunt excitation or machine-side excitation), the excitation power is taken from the generator
Computer end. The field current of the synchronous generator passes through the excitation transformer, field breaker and thyristor
Rectifier bridge supply.
The excitation transformer reduces the generator terminal voltage to the input voltage required by the thyristor rectifier bridge, is
The generator end voltage and field windings provide electrical isolation and tuning for the SCR rectifier
Flow impedance. Thyristor bridge converts alternating current into controlled direct current.
At the beginning of excitation, the excitation energy of the engine comes from the residual voltage of the generator. When the thyristor rectifier
When the input voltage rises to 10V~20V, the thyristor rectifier bridge and the excitation regulator are put into normal operation
The soft excitation process is controlled by AVR.
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