Design Optimisation Study of TSI and ETS Systems for 600MW Units
In order to solve the problem of tripping and shutting down of the unit caused by protection mis-activation,the technical measures to improve the function of the system are proposed from the modification of the single-point protection scheme,optimization of the TSI cabinet,optimization of the action logic of the ETS,and optimization of the power supply circuit of the ETS by locating the faults and analysing the causes of faults that have been exposed in the overhauling process of a 600 MW unit of a thermal power plant,and ultimately eliminating hidden faults effectively and maintaining the safe and reliable operation of the turbine unit.safe and reliable operation of the turbine unit.
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