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Solar simulator

A solar simulator and solar cell technology, applied in the field of solar simulators, can solve problems such as power consumption and achieve the effect of reducing deterioration

Inactive Publication Date: 2010-06-09
NPC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in this method, in principle, the controlled impedance acts as a load and has the characteristic of consuming power
Therefore, electrical control beyond the allowable power consumption of the control element constituting the controlled impedance cannot be performed.

Method used

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Experimental program
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no. 1 approach

[0032] Such as figure 2 As shown, this embodiment is composed of a power supply 11 , a flash lamp 12 , a power absorbing block 103 , and an electroluminescent continuous control block 104 . The power source 11 and the flash 12 are the same as the capacitor type flash used in the prior art. The power absorbing block 103 has: a power absorbing element 131 composed of three elements (R1, R2, R3); a power absorbing element changeover switch 132 composed of two switches (SW1, SW2); a switch drive circuit 133; and a switching judgment circuit 134. The power sink block 103 monitors the voltage V R The operation of the power absorbing element 131 (R1, R2, R3) is selected by this voltage, thereby, the voltage V CE Supply a voltage within the allowable range.

[0033] The electroluminescent continuous control block 104 has: a high-power element 141 composed of 4 elements (IGBT1, IGBT2, IGBT3, IGBT4); ) consisting of a current sharing resistor 142; a high-power element drive circui...

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Abstract

There are included an electric light emission continuous control unit and a power absorbing unit, and the electric light emission continuous control unit is provided with one or a plurality of large power elements to be used as a control impedance, and the large power element is continuously controlled to light a flash lamp to a determined light emission quantity. The power absorbing unit is provided with one or a plurality of power absorbing elements, and an operation of the power absorbing element is selected in a switching unit, and thereby power consumption of the large power element is controlled within a determined range.

Description

technical field [0001] The present invention relates to a solar simulator used for simulating sunlight when evaluating the performance of a solar cell, and more specifically, to a solar simulator provided with a strobe lamp irradiance control unit. Background technique [0002] Conventionally, as a solar simulator for performance evaluation of a solar cell module, a long-arc xenon flash lamp of a simple accumulator (hereinafter referred to as a capacitor) system has been put into practical use. [0003] The working principle of the capacitor-type flash lamp is to connect the stored capacitor to the low-voltage long-arc xenon lamp, apply a high voltage to the outside of the long-arc xenon lamp, and emit electrons through the electric field from the internal cold cathode electrode to generate discharge plasma. The body discharges the charge of the capacitor to emit light. [0004] Since this method can easily control the total light emission amount with only the energy of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/26F21S10/06F21V23/00H05B41/30
CPCG01R31/2605H05B41/325G01R31/405F21S8/006H02S50/10Y02E10/50
Inventor 吉野征治中西裕治桥本彻大木隆渡边优伊藤智章十川佳正
Owner NPC CO LTD