Development and Implementation of Monitoring for the Reactor Core of Unit No. 5 of the Novovoronezh Nuclear Plant by Local Parameters

A. N. Prytkov; A. B. Tereshchenko; Yu. N. Kravchenko; N. V. Boldyrev; I. V. Pozychaniuk; D. I. Lisitsyn; E. I. Golubev

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Development and Implementation of Monitoring for the Reactor Core of Unit No. 5 of the Novovoronezh Nuclear Plant by Local Parameters

机译：通过局部参数监测新沃罗涅日核电站5号机组反应堆堆芯的开发和实施

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In the course of upgrading the unit no. 5 reactor core of the Novovoronezh nuclear power plant, operational limits by local parameters, which limit the admissible linear power density and the relative power of fuel elements, were established. Due to applying modern computer technologies in systems of the in-core monitoring, the calculation of power density for all fuel elements in the real-time mode is implemented. To monitor the power density of fuel elements, the algorithm for determining the limiting linear power density is developed depending on the reactor core height and on the average nuclear fuel burnup. The admissible relative power of fuel elements is determined. In the course of the performed work, the excessive conservative limitations on nonuniformity of the reactor power density are excluded. The monitoring of power density by local parameters instead of indirect K_q (fuel-assembly relative power) and K_v (relative power of the fuel assembly section) made it possible to increase the fuel efficiency and to improve the economic parameters of fuel cycles of the unit no. 5 reactor core of the Novovoronezh nuclear power plant.

机译：在升级单元号过程中。建立了新沃罗涅日核电站的5个反应堆堆芯，通过局部参数限制了运行极限，该局部极限限制了容许的线性功率密度和燃料元件的相对功率。由于在核内监控系统中应用了现代计算机技术，因此实现了实时模式下所有燃料元件的功率密度计算。为了监测燃料元件的功率密度，根据反应堆堆芯高度和平均核燃料燃耗，开发了确定极限线性功率密度的算法。确定燃料元件的容许相对功率。在进行的工作过程中，排除了对反应堆功率密度不均匀性的过度保守限制。通过局部参数而不是间接的K_q（燃料组件相对功率）和K_v（燃料组件部分的相对功率）来监视功率密度，从而可以提高燃料效率并改善机组燃料循环的经济参数。没有。 5 Novovoronezh核电站的反应堆核心。

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来源
《Thermal engineering》 |2014年第4期|291-294|共4页
作者
A. N. Prytkov; A. B. Tereshchenko; Yu. N. Kravchenko; N. V. Boldyrev; I. V. Pozychaniuk; D. I. Lisitsyn; E. I. Golubev;
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作者单位

Novovoronezh Nuclear Power Plant, Branch of OAO Rosenergoatom Concern, Industrial'naya zona Yuzhnaya 1, Novovoronezh, Voronezh oblast, 396072 Russia;

Novovoronezh Nuclear Power Plant, Branch of OAO Rosenergoatom Concern, Industrial'naya zona Yuzhnaya 1, Novovoronezh, Voronezh oblast, 396072 Russia;

Novovoronezh Nuclear Power Plant, Branch of OAO Rosenergoatom Concern, Industrial'naya zona Yuzhnaya 1, Novovoronezh, Voronezh oblast, 396072 Russia;

Novovoronezh Nuclear Power Plant, Branch of OAO Rosenergoatom Concern, Industrial'naya zona Yuzhnaya 1, Novovoronezh, Voronezh oblast, 396072 Russia;

Novovoronezh Nuclear Power Plant, Branch of OAO Rosenergoatom Concern, Industrial'naya zona Yuzhnaya 1, Novovoronezh, Voronezh oblast, 396072 Russia;

Novovoronezh Nuclear Power Plant, Branch of OAO Rosenergoatom Concern, Industrial'naya zona Yuzhnaya 1, Novovoronezh, Voronezh oblast, 396072 Russia;

Novovoronezh Nuclear Power Plant, Branch of OAO Rosenergoatom Concern, Industrial'naya zona Yuzhnaya 1, Novovoronezh, Voronezh oblast, 396072 Russia;

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正文语种 eng
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关键词
monitoring by local parameters; fuel-element linear power density; fuel-element relative power;

机译：通过本地参数监控;燃料元素线性功率密度;燃料元素相对功率;

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Development and Implementation of Monitoring for the Reactor Core of Unit No. 5 of the Novovoronezh Nuclear Plant by Local Parameters

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