Method and system for operating reactor core power

By combining the three-dimensional diffusion calculation model and neutron detector readings, the reactor core power distribution is fitted and corrected, which solves the problems of simulation calculation deviation and insufficient local accuracy in the existing technology, and achieves high-precision reactor core power monitoring. .

Active Publication Date: 2016-01-27
STATE POWER INVESTMENT CORPORATION RESEARCH INSTITUTE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, once the simulation calculation has a large deviation, it cannot prove that the monitoring results of this method are credible
In the harmonic expansion method, due to the theoretical completeness of the harmonics, it is suitable for expanding the power distribution of the core, so that the monitoring accuracy can be guaranteed as a whole. However, limited by the limited available information, the expansion order cannot be infinite. Therefore, local monitoring accuracy cannot be guaranteed

Method used

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Embodiment Construction

[0040] Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described here are only for illustration, not for limiting the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one of ordinary skill in the art that these specific details need not be employed to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order to avoid obscuring the present invention.

[0041] Throughout this specification, reference to "one embodiment," "an embodiment," "an example," or "example" means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in the present invention. In at least one embodiment. Thus, appearances of the phr...

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Abstract

The invention discloses a method and a system for operating reactor core power. The method comprises the following steps: receiving a pre-operation instruction inputted by an operator, wherein the pre-operation instruction includes a pre-operation amount aiming at the reactor core; establishing a three-dimensional reactor core diffusion calculation model based on the pre-operation amount, and calculating reactor core power distribution; and indicating the operator to perform an operation instruction corresponding to the pre-operation amount in the case that the calculated reactor core power distribution meets predetermined conditions. The scheme can overall ensure the accuracy of the operation of the reactor power.

Description

[0001] This application is a divisional application of the invention patent application 201310585680.3 entitled "Method and System for Monitoring Reactor Core Power" submitted to the China Intellectual Property Office on November 19, 2013. technical field [0002] The present application relates to the field of reactor monitoring, in particular to a reactor core power monitoring method and system. Background technique [0003] In the 1980s, reactor core power monitoring technology has received international attention. Up to now, major nuclear power developers have developed several sets of online reactor monitoring systems, such as BEACON developed by Westinghouse in the United States and Areva in France. MAGLAN, GARDEL of Studisvik in the United States, POWERPLEX of Siemens, SCORPIPO of Russia, etc. [0004] Most of the currently developed on-line monitoring systems for major reactors use the flux map surveying and mapping methods of various companies. For example, the sur...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): G21C17/108
CPCY02E30/30
OwnerSTATE POWER INVESTMENT CORPORATION RESEARCH INSTITUTE