摘要:
A device includes a controller that receives current values generated by at least four parallel load commutated inverters (LCIs) 12. The controller includes a source firing generator 60 that generates independent source firing commands for each of the at least four parallel LCIs 12 based on the received current values and transmits each of the independent source firing commands to a respective one of the at least four parallel LCIs, wherein the source firing commands are configured to set input phase angle values of the four parallel LCIs 12.
摘要:
An exemplary embodiment includes a method for balancing thyristor bridge circuits (101), the method comprising, determining currents of thyristors (11,21,31) in a first leg of thyristors of a thyristor bridge circuit, determining a first set of gate firing times for the thyristors in the first leg of thyristors responsive to determining the current of the thyristors in the first gate of thyristors, wherein the first set of gate firing times are operative to balance a current load between the thyristors in the first leg of thyristors, and gating the thyristors in the first leg of thyristors according to the first set of gate firing times (525).
摘要:
A method for modeling an excitation system (10) for a synchronous electrical power generator (14) comprising: selecting (40) a standard exciter model (26) from a plurality of standard excitation system models stored electronically; wherein the selected standard model is selected based on a similarity to the excitation system; collecting (44) data from the excitation system; determining (46) parameter settings for the selected standard model using the collected data; verifying (48) the selected standard model with the parameter settings by comparing an output of the model to a corresponding output of the excitation system; storing (50) electronically the verified selected standard model with the parameter settings, and generating a report (52) of the verified selected standard model with the parameter settings.