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Method for checking short-term trade plan safety

A security check and transaction technology, applied in sales/lease transactions, calculations, instruments, etc., can solve problems such as unbalanced distribution of energy and loads, increased control complexity, increased pressure on power grid operation, etc., to achieve easy implementation and calculation The speed is increased to meet the effect of energy saving and environmental protection

Active Publication Date: 2013-04-03
CHINA ELECTRIC POWER RES INST +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The demand for electricity continues to grow rapidly, the distribution of energy and load is uneven, and the scale of power transactions across regions and provinces is increasing; the application of new power generation and transmission technologies and control technologies has increased the complexity of the power grid; The promotion of power generation dispatching and the access of large-scale intermittent renewable energy make the operation of the power system more uncertain, and the operating pressure of the power grid increases and the control complexity increases.

Method used

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  • Method for checking short-term trade plan safety

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Embodiment Construction

[0036] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0037] The professional data and abbreviations involved in the present invention are as follows:

[0038] Short-term trading plan: Short-term trading plan is a kind of power trading plan, which generally refers to the electricity volume transactions between regions and provinces (autonomous regions, municipalities) for multiple days within a month and multiple periods within a day.

[0039] Security check: Security check provides technical support for short-term trading plans, and uses various security and stability analysis methods such as static security and transient stability to conduct flexible and comprehensive security checks on short-term trading plans.

[0040] Ground state power flow analysis: analyze and calculate the ground state power flow, and judge the equipment over-limit situation under the ground state ...

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Abstract

The invention relates to a method of the field of electrical power system planning and computational analyzing, and in particular relates to a method for checking short-term trade plan safety. The method comprises the following steps of: 1, short-term trade plan load flow calculation; 2, short-term trade ground state load flow analysis; 3, short-term trade plan static state load flow analysis; 4, short-term trade plan impact assessment; and 5, short-term trade parallel check. The method for checking the short-term trade plan safety provided in the invention is easy to realize, and moreover, power grid load flow which reflects the execution condition of short-term trade can be obtained; and the requirements from aspects of energy conservation, environmental friendliness and safe, stable and economic operation of a conventional power grid on technological innovation are satisfied.

Description

technical field [0001] The invention relates to a method in the field of power system plan preparation and calculation analysis, in particular to a method for security check of short-term transaction plan. Background technique [0002] With the rapid development of large-scale interconnection of the power grid, the power grid will form a "three vertical and three horizontal" UHV power grid as the backbone grid structure, an AC / DC system with the highest voltage level, the largest transmission capacity, the most advanced technology, and the most complex operating characteristics in the world. Hybrid grid. With the advancement of UHV power grid construction, and the increasing operating pressure brought about by the application of a large number of power electronic components such as DC transmission and FACTS, and the large-scale access of wind power and photovoltaic new energy sources, the electrical connection of the entire network is becoming increasingly close, and the cou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q30/06G06Q50/06
CPCY04S50/10
Inventor 吕颖鲁广明丁佳丁平
Owner CHINA ELECTRIC POWER RES INST
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