Power and heat cooperative scheduling system based on non-uniformity of thermal load of terminal, and method thereof

Abstract

The invention discloses a power and heat cooperative scheduling system based on non-uniformity of thermal load of a terminal, and a method thereof, breaking a thermoelectricity combined rough peak load regulating mode. The power and heat cooperative scheduling system based on non-uniformity of thermal load of a terminal, and the method thereof are characterized in that users use hot water type heating radiators and air-conditioners through electricity consumption for realizing heat supply; the hot water are supplied by a thermoelectricity combined production set and a heat water tank; the electric power is supplied by a thermoelectric unit and a wind turbine generator set; a thermal load uniformity measurement and analysis system is used to collect the main information of the user and establish a thermal load uniformity distribution model; on the premise of considering supply of power and heat of users, interference, thermal load uniformity distribution difference, the hot water outputfrom the source terminal is reduced, and heating through power consumption of the load of part of users can make up the reduction amount, and at the same time, part of hot water tanks stores heat; according to volatility of wind power generation and non-uniformity of the user, the heat and power output are adjusted, and the switch state function of the regulated user is solved so as to realize elaborate control of the user, thus reducing the abandoned wind quantity, reducing user interference and improving control accuracy.

Description

technical field [0001] The invention belongs to the technical field of comprehensive application of clean energy, and relates to an electricity and heat coordinated scheduling system and method based on the non-uniform characteristics of terminal heat load. Background technique [0002] Renewable energy is inexhaustible and green. Taking wind energy as an example, although its utilization has developed rapidly in recent years, problems have also followed. The uncertainty and volatility of wind power will have a greater impact and even danger on the operation of the power grid. In particular, the anti-peaking phenomenon of wind power enlarges the peak-to-valley difference of the system and increases the difficulty of power grid dispatching. We must continue to explore ways to artificially perform peak regulation to reduce the amount of abandoned air on the premise of ensuring the heat supply of urban residents. [0003] Peak shaving includes two aspects: peak shaving depth...

AI Technical Summary

Problems solved by technology

Method ① starts from the source end, uses thermal power to regulate wind power, and improves the peak shaving capability, but does not consider the potential peak shaving capability of the demand-side user end; method ② starts from both the source end and the demand-side user end, on the one hand, the source end regulates thermal power The power output of the unit; on the other hand, according to the time lag of hot water and the instantaneous nature of power, the load at the user end is reasonably arranged to accommodate the peak-shaving of wind power heating, and the peak-shaving capability is further improved, but it is assumed that the uniformity of users is exactly the same regulation under the circumstances

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