Distribution network planning scheme evaluation data processing system

A technology for data processing systems and distribution network planning, which is applied in data processing applications, instruments, predictions, etc., and can solve problems such as few research results and unification

Inactive Publication Date: 2015-06-17
STATE GRID CORP OF CHINA +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the research results of sustainability evaluation indicators are relatively few and not uni

Method used

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  • Distribution network planning scheme evaluation data processing system
  • Distribution network planning scheme evaluation data processing system
  • Distribution network planning scheme evaluation data processing system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] like figure 1 As shown, a data processing system based on an economical, reliable and flexible distribution network planning evaluation index system includes an economic index processing module 1 based on the life cycle cost, a reliability index processing module 2 based on the minimum path method, The flexibility index processing module 3 based on the maximum power supply capacity, and the fuzzy mathematics comprehensive evaluation processing module 4.

[0044] The economic index processing module based on the whole life cycle cost takes the investment cost, operation and maintenance cost, and life cycle of the distribution network planning scheme as input data, and after calculation and processing, it outputs the data of the full life cycle cost and the data based on the full life cycle cost. Economic indicators; the economic indicators based on the life cycle cost include four three-level index data of the life cycle cost, net present value, internal rate of return, ...

Embodiment 2

[0086] refer to figure 1 As shown, this embodiment is the distribution network planning scheme for the 2015 cultural tourism city project in an actual area of ​​China. According to the predicted load forecasting situation of the medium scheme 119.8MVA, there are the following two power supply schemes:

[0087] Power supply scheme one:

[0088] Adopt 220 / 35 / 0.4 kV power supply mode, high-voltage distribution network adopts 220 kV voltage, medium-voltage distribution network cancels 10 kV voltage level, and adopts 35 kV direct drop 0.4 kV distribution network power supply mode.

[0089] Substation A is set up in the high-voltage distribution network. Considering that substation A is a user-specific substation and has declared a substation land area (4.3 mu), it adopts a terminal 220 kV indoor substation type construction, and is equipped with two 150 MVA main transformers. One-time construction; 2 circuits of 220 kV incoming lines, connected to 220 kV upper-level substation; 1...

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Abstract

The invention discloses a distribution network planning scheme evaluation data processing system which comprises an economic index processing module based on whole life cycle cost, a reliability index processing module based on a minimal path method, and a flexibility index processing module based on maximum power supply capability. The economic index processing module based on the whole life cycle cost is used for taking the investment cost, operation and maintenance cost, life period and the like as input data, calculating and processing the data and outputting the whole life cycle cost and traditional financial evaluation indexes; the reliability index processing module is used for taking the planning scheme structure, equipment parameters and the like as input data, outputting the system average interruption frequency and other indexes of load nodes and the equivalent mean interruption duration on the system side and the other indexes; and the flexibility index processing module based on the maximum power supply capability is used for outputting the maximum power supply capability, the network transfer capability and the other indexes. Finally, comprehensive evaluation of multiple indexes is realized by adopting a fuzzy mathematics comprehensive evaluation module. Compared with the prior art, the distribution network planning scheme evaluation data processing system disclosed by the invention has the advantages of comprehensiveness and practicality.

Description

technical field [0001] The invention relates to an evaluation data processing system for a distribution network planning scheme, in particular to an economical, reliable and flexible distribution network planning scheme evaluation data processing system. Background technique [0002] The current power grid planning already has a relatively complete evaluation index system, which can evaluate the effect of power grid planning from multiple dimensions and levels, covering the needs of economy, reliability, quality, and flexibility. However, for the power grid planning scheme, because the scheme has not been implemented, some evaluation indicators are actually difficult to obtain, such as power quality indicators, capacity-to-load ratio, line loss rate, etc. In addition, the evaluation of power grid planning schemes is often only evaluated on certain types of indicators, such as reliability or economy, etc., and the rationality of a power grid planning scheme is judged based on...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06
Inventor 熊宁舒娇王伟柳璐程浩忠雷珽袁加妍时珊珊刘舒
Owner STATE GRID CORP OF CHINA
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