Single pumping heat supply unit heat and power load allocation method based on characteristic coefficients

A characteristic coefficient, heating unit technology, applied in special data processing applications, data processing applications, electrical digital data processing and other directions, can solve problems such as field application difficulties

Active Publication Date: 2015-08-26
SOUTHEAST UNIV
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Problems solved by technology

The traditional allocation method is based on complex optimization algorithms such as linear programming and genetic algorithm, and

Method used

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  • Single pumping heat supply unit heat and power load allocation method based on characteristic coefficients
  • Single pumping heat supply unit heat and power load allocation method based on characteristic coefficients
  • Single pumping heat supply unit heat and power load allocation method based on characteristic coefficients

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example

[0206] Take a power plant composed of three single-pump reheat units as an example, the unit models are C350-16.7 / 537 / 537, C330-16.7 / 537 / 537, C300-16.7 / 538 / 538, and their numbers are #1 unit, # 2 unit, #3 unit. The characteristic coefficients and constraints of the dynamic characteristic equation are shown in Table 3 and Table 4.

[0207] Table 3 The characteristic coefficient values ​​of the dynamic characteristic equations of each unit

[0208]

[0209] Table 4 unit load and flow constraints

[0210]

[0211] Calculation example: load distribution is now carried out for a total heat load of 350t / h and a total electric load of 810MW

[0212] The calculation steps are as follows:

[0213] Step 1: Determine the initial thermoelectric load

[0214] 1.1 Calculate the electrical load P corresponding to the minimum condensate amount con_i_min

[0215] P con_1_min =129.43MW,P con_2_min =119.81MW, P con_3_min =110.42MW

[0216] 1.2 Check the minimum electrical load P ...

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Abstract

The invention discloses a based single pumping heat supply unit heat and power load allocation method based on characteristic coefficients. The lowest heat load and the lowest power load of each unit are taken and used, and the initial heat load and the initial power load of each unit are calculated. The total heat load and total power load are taken and used; the highest heat load, the highest power load and the characteristic coefficients are taken and used; the allocation results of the heat load and the power load of each unit are calculated; then whether the allocation results of the units meet constraint conditions one by one is judged; if each unit meets the allocation result, the allocation result is the finnal result. If one unit does not meet the constraint condition, circulation adjustment is performed till the allocation condition of each unit meets the constraint condition. The method can obtain heat supply unit heat and power load optimization allocation coincident with the traditional linear layout, and the method is simple and convenient for field application.

Description

technical field [0001] The invention relates to a method for determining the optimal thermoelectric load of a single-pump heating unit based on the characteristic coefficient of the dynamic characteristic equation of the single-pump heating unit, which can be used for the distribution of thermoelectric loads of the single-pump heating unit and belongs to the technical field of optimal operation of power equipment. Background technique [0002] Reasonable thermal and electrical load distribution of heating units can reduce energy consumption, which is an effective way to achieve energy saving and consumption reduction. Traditional allocation methods are based on complex optimization algorithms such as linear programming and genetic algorithms, and special optimization software is required to obtain optimization results, which makes field applications difficult. Contents of the invention [0003] Purpose of the invention: In order to overcome the deficiencies in the prior ar...

Claims

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Application Information

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IPC IPC(8): G06F17/50G06Q50/06
Inventor 王培红张骞郝勇生苏志刚赵刚
Owner SOUTHEAST UNIV
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