Method, apparatus, and system for real time reactive power output monitoring and predicting
AssigneeSouthern Company Services, Inc.
InventorsThomas R. Sims, Daniel W. Noles, Daryl K. Hallmark
Life of this patent
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AssigneeSouthern Company Services, Inc.
InventorsThomas R. Sims, Daniel W. Noles, Daryl K. Hallmark
Estimating the term…
An actual real-time reactive power output reserve of a generator is calculated by determining a real-time reactive power output of the generator at present operating conditions, determining a maximum reactive power output of the generator at the present operating conditions based on a maximum volt-ampere output capability of the generator, a real-time transmission voltage level of a transmission system connected to the generator, and a real-time maximum acceptable generator terminal voltage, and subtracting the real-time reactive power output from the maximum reactive power output. A future near-term reactive power output reserve of the generator is calculated by determining an expected maximum reactive power output of the generator at rated operating conditions based on a rated maximum volt-ampere output capability of the generator, a scheduled transmission voltage level of a transmission system connected to the generator, and a maximum acceptable generator terminal voltage, and subtracting the real-time reactive power output from the expected maximum reactive power output.
A method for determining an actual real-time reactive power output reserve of at least one generator, comprising the steps of:
An apparatus for determining an actual real-time reactive power output reserve of at least one generator, comprising:
A system for determining an actual real-time reactive power output reserve;
Dependencies are inferred from the claim text.