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Adjusting unit, loop of solar field, solar field, and use of solar field

A technology for adjusting the unit, solar energy, applied in the field of solar field, which can solve the problems of inaccuracy and slow control possibility

Inactive Publication Date: 2014-04-09
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This control is likely to be slow and inaccurate

Method used

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  • Adjusting unit, loop of solar field, solar field, and use of solar field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] The subject of the example is an adjustment unit 13 of at least one loop 10 of a solar field 1 for adjusting at least one operating condition of the loop.

[0028] The loop comprises a heat receiving tube 14 through which a heat transfer fluid can be piped. The heat transfer fluid is thermal oil. Alternatively, the heat transfer fluid is a salt mixture.

[0029] The adjustment unit comprises at least one sensor 11 . The sensor is connected to the loop such that the loop condition of the loop can be detected. In this example, the loop condition is the temperature of the heat transfer fluid.

[0030] The defocusing element 16 is part of the adjustment unit. The defocusing element comprises in particular a parabolic mirror for focusing the solar radiation. By moving this mirror, defocusing can be performed.

[0031] The safety valve is another component of the adjustment unit. In order to have the possibility to adjust the mass flow rate of the heat transfer fluid p...

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PUM

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Abstract

The invention relates to an djusting unit, a loop of a solar field, a solar field, and use of the solar field. An adjusting unit of at least one loop of a solar field for adjusting at least one working condition of the loop is provided. The adjusting unit comprises: at least one sensor for measuring the loop condition of the loop; at least one control valve for adjusting a mass flow of heat transfer fluid through a heat receiver tube of the loop; and at least one defocusing element for defocusing a solar radiation collector assembly of the loop; wherein the adjusting unit is adapted such that the adjusting of the mass flow through the heat receiver tube by the control valve and / or the defocusing the solar radiation assembly is dependent of the working condition of the loop. The solar field is used for converting solar radiation into electricity via a power block.

Description

technical field [0001] The invention relates to a regulating unit of a loop of a solar field, a loop of a solar field having the regulating element and a solar field having the loop. Background technique [0002] A stable outlet temperature from the solar field is currently not achieved due to the poor performance of the current control structures from the solar field. This has the effect of reducing the overall performance of the solar power plant. [0003] The current practice for control within a solar field is to adjust mechanical throttle control valves by hand to counteract the pressure drop and calculate the required HTF (Heat Transfer Fluid) flow per loop based on the available DNI. Temperature control is achieved by means of simple step-by-step defocusing of the solar collector assembly (SCA). [0004] This control possibility is slow and inaccurate. Contents of the invention [0005] The object of the present invention is to provide an automatic adjustment uni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/46F24J2/40
CPCF24J2/40F24J2/4623Y02E10/40F24S50/00F24S40/52
Inventor A.德拉姆B.里格尔J.沃伊施廷克
Owner SIEMENS AG
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