State Estimator definition
Examples of State Estimator in a sentence
In calculating Locational Marginal Prices, the Office of the Interconnection shall obtain a complete and consistent description of conditions on the electric network in the PJM Control Area by using the most recent power flow solution produced by the State Estimator, which is also used by the Office of the Interconnection for other functions within power system operations.
The current version of the State Estimator includes over 1600 busses in the PJM Control Area, as well as interface busses with adjacent Control Areas.
The Office of the Interconnection shall obtain a State Estimator solution every five minutes, which shall provide the megawatt output of generators and the loads at busses in the PJM Control Area, transmission line losses, and actual flows or loadings on constrained transmission facilities.
The State Estimator is a standard industry tool that produces a power flow model based on available real-time metering information, information regarding the current status of lines, generators, transformers, and other equipment, bus load distribution factors, and a representation of the electric network, to provide a complete description of system conditions, including conditions at busses for which real-time information is unavailable.
The megawatts of load at each load bus shall be the sum of the megawatts of load for that bus of that Market Buyer as determined by the State Estimator, plus an allocated share of transmission losses, plus any megawatts of that Market Buyer's bilateral sales to purchasers outside the PJM Control Area attributable to that bus.
For combined cycle units, “Cold/Warm/Hot Start-up Time” shall mean the time interval from the beginning of the start sequence to the point after first combustion turbine generator breaker closure in its cold/warm/hot temperature state, which is typically indicated by telemetered or aggregated State Estimator megawatts greater than zero.
For all generating units that are not combined cycle units, “Cold/Warm/Hot Start-up Time” shall mean the time interval, measured in hours, from the beginning of the start sequence to the point after generator breaker closure, which is typically indicated by telemetered or aggregated State Estimator megawatts greater than zero for a generating unit in its cold/warm/hot temperature state.
Auction bids for Fixed Transmission Rights may specify any combination of receipt and delivery buses represented in the State Estimator model for which the Office of the Interconnection calculates and posts Locational Marginal Prices.
The megawatts of generation at each generation bus shall be the sum of the megawatts of generation for that bus of that Generating Market Buyer as determined by the State Estimator, plus any megawatts of bilateral purchases of that Generating Market Buyer from sellers outside the PJM Control Area attributable to that bus.
The Office of the Interconnection will determine the Locational Marginal Prices at the external energy schedule source and sink locations and the resulting Congestion Charge based on the portion of the energy schedule that flows through the PJM Region as reflected by the flow distributions from the PJM State Estimator program.