How to use redispatch in a sentence? Find typical usage patterns (collocations)/phrases/context for "redispatch" and check conjugation/comparative form for "redispatch". Mastering all the usages of "redispatch" from sentence examples published by news publications.
The latter is referred to as a security constraint. Transmission systems are operated to allow for continuity of supply even if a contingent event, like the loss of a line, were to occur. This is known as a security constrained system. In most systems the algorithm used is a "DC" model rather than an "AC" model, so constraints and redispatch resulting from thermal limits are identified/predicted, but constraints and redispatch resulting from reactive power deficiencies are not.
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Some systems take marginal losses into account. The prices in the real-time market are determined by the LMP algorithm described above, balancing supply from available units. This process is carried out for each 5-minute, half-hour or hour (depending on the market) interval at each node on the transmission grid. The hypothetical redispatch calculation that determines the LMP must respect security constraints and the redispatch calculation must leave sufficient margin to maintain system stability in the event of an unplanned outage anywhere on the system.
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This is called Feed-In Management. But stopping wind turbines when their energy output is at its highest, comes at very high cost: both ecologically and economically: Ecologically, because for every curtailed kWh of wind energy, another power plant must be activated to offset the now missing volumes, since they have already been traded in the market. Because the supplementing power plant must be ramped up rather quickly and precisely, the first and only choice are combined cycle gas turbines (CCGTs). This practice of balancing energy generation by activating certain power plants on the one hand, and shutting down certain generation capacities on the other is called Redispatch.
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