Start-Up Control Device and Start-Up Control Method for Power Plant

摘要

To provide a start-up control device and a start-up control method for a power plant capable of changing the start-up completion estimated time to a desired time simply and safely while starting the power plant. The start-up control device includes an equipment state quantity acquisition unit acquiring an equipment state quantity of the power plant, a start-up schedule calculation unit calculating a current start-up schedule based on the equipment state quantity and a first thermal stress limiting value and calculating a start-up schedule changing plan based on the equipment state quantity and a second thermal stress limiting value, an equipment operation amount calculation unit calculating an equipment operation amount of the power plant based on the current start-up schedule, a screen display unit displaying respective start-up completion estimated times of the current start-up schedule and the start-up schedule changing plan, and an instruction input unit instructing the start-up schedule calculation unit to perform switching from the current start-up schedule to the start-up schedule changing plan.

主权项

1. A start-up control device for a power plant including a steam turbine, comprising:
an equipment state quantity acquisition unit acquiring an equipment state quantity of the power plant; a start-up schedule calculation unit calculating a current start-up schedule based on the equipment state quantity and a predetermined first constraint condition and calculating a start-up schedule changing plan based on the equipment state quantity and a predetermined second constraint condition; an equipment operation amount calculation unit calculating an equipment operation amount of the power plant based on the current start-up schedule; a screen display unit displaying start-up completion estimated times with respect to the current start-up schedule and the start-up schedule changing plan respectively; and an instruction input unit outputting an instruction for switching from the current start-up schedule to the start-up schedule changing plan to the start-up schedule calculation unit in accordance with an input operation by an operator.