A method for alleviating climbing pressure of thermal power units under high-proportion photovoltaic grid connection
A technology with a high proportion of thermal power units, applied in the direction of photovoltaic power generation, AC network load balancing, single-network parallel feeding arrangement, etc., can solve the problem of insufficient conversion efficiency of photovoltaic power generation, improve photovoltaic consumption capacity, reduce creep The effect of reducing slope pressure and relieving peak pressure
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[0106] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0107] The invention introduces an energy storage power station into a high-ratio photovoltaic grid-connected system, constructs a photovoltaic storage system, and constructs a mathematical model to alleviate the climbing pressure of thermal power units. The mathematical model takes the minimum comprehensive cost as the objective function, including the operating cost of thermal power units, loss of load penalty cost, solar abandonment cost, and energy storage operating cost, considering active power balance constraints, photovoltaic power generation constraints, energy storage constraints, thermal power unit constraints, and line Constraint conditions, etc., construct a mathematical model to alleviate the climbing pressure of thermal power units, ...
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