VOLTAGE CONTROL METHOD AND APPARATUS OF CENTRAL BUS IN POWER SYSTEM

摘要

A voltage control method and apparatus of a central bus in a power system are provided. The method comprises: S1: obtaining a predetermined voltage and a current voltage; S2: obtaining a first voltage adjustment of the generator and a second voltage adjustment of the dynamic reactive power compensation device; S3: sending the first voltage adjustment and the second voltage adjustment; S4: judging whether a current reactive power of the dynamic reactive power compensation device is between a first predetermined reactive power and a second predetermined reactive power; S5: if yes, obtaining a third voltage adjustment of the generator and a fourth voltage adjustment of the dynamic reactive power compensation device; S6: sending the third voltage adjustment and the fourth voltage adjustment; repeating steps S1-S7 after a predetermined period of time; S7: if no, repeating steps S1-S7 after the predetermined period of time.

主权项

1. A voltage control method of a central bus in a power system, comprising:
S1: obtaining a predetermined voltage and a current voltage of the central bus; S2: obtaining a first voltage adjustment of a generator participating in a voltage control and a second voltage adjustment of a dynamic reactive power compensation device participating in the voltage control according to the predetermined voltage and the current voltage; S3: sending the first voltage adjustment to the generator participating in the voltage control and the second voltage adjustment to the dynamic reactive power compensation device participating in the voltage control to perform a voltage control; S4: judging whether a current reactive power of the dynamic reactive power compensation device is between a first predetermined reactive power and a second predetermined reactive power; S5: if the current reactive power of the dynamic reactive power compensation device is between the first predetermined reactive power and the second predetermined reactive power, obtaining a third voltage adjustment of a generator participating in an optimization control and a fourth voltage adjustment of a dynamic reactive power compensation device participating in the optimization control; S6: sending the third voltage adjustment to the generator participating in the optimization control and the fourth voltage adjustment to the dynamic reactive power compensation device participating in the optimization control to perform a dynamic reactive power optimization, and repeating steps S1-S7 after a predetermined period of time; S7: if the current reactive power of the dynamic reactive power compensation device is not between the first predetermined reactive power and the second predetermined reactive power, repeating steps S1-S7 after the predetermined period of time.