TWI466403B - Solar energy conversion apparatus - Google Patents
Solar energy conversion apparatus Download PDFInfo
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- TWI466403B TWI466403B TW102103532A TW102103532A TWI466403B TW I466403 B TWI466403 B TW I466403B TW 102103532 A TW102103532 A TW 102103532A TW 102103532 A TW102103532 A TW 102103532A TW I466403 B TWI466403 B TW I466403B
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Description
本發明係有關於一種太陽能轉換裝置，特別是一種改良型太陽能轉換裝置。 The present invention relates to a solar energy conversion device, and more particularly to an improved solar energy conversion device.
太陽能是免費而且每天都可獲取的；它是一種乾淨且無污染的能源。此外，太陽提供了大量的太陽能到地球的表面，太陽能可獲取而不會造成環境的影響。照射在地球表面一個小時的太陽能相當於人類一年的能源消耗，且太陽能照射的任何特定地區將可影響其大氣條件及氣候的改變。 Solar energy is free and available every day; it is a clean and pollution-free energy source. In addition, the sun provides a large amount of solar energy to the surface of the earth, and solar energy is available without causing environmental impact. One hour of solar energy illuminating the surface of the Earth is equivalent to one year of human energy consumption, and any particular area of solar radiation will affect its atmospheric conditions and climate change.
太陽能係藉由一太陽能轉換裝置轉換成電能，所以太陽能轉換裝置很重要。然而，相關技術的太陽能轉換裝置的接地故障偵測與中斷電路卻不能夠快速地偵測並切斷漏電流。 Solar energy is converted into electrical energy by a solar energy conversion device, so the solar energy conversion device is very important. However, the ground fault detection and interruption circuit of the related art solar energy conversion device cannot quickly detect and cut off the leakage current.
為改善上述習知技術之缺點，本發明之目的在於提供一種改良型太陽能轉換裝置；該改良型太陽能轉換裝置能夠快速地偵測並切斷漏電流。 In order to improve the above disadvantages of the prior art, it is an object of the present invention to provide an improved solar energy conversion device capable of quickly detecting and cutting off leakage current.
為達成本發明之上述目的，本發明之改良型太陽能轉換裝置係應用於一太陽能面板，該太陽能面板電性連接至該改良型太陽能轉換裝置，該改良型太陽能轉換裝置包含：一太陽能轉換單元，該 太陽能轉換單元電性連接至該太陽能面板；及一接地故障偵測與中斷單元，該接地故障偵測與中斷單元電性連接至該太陽能轉換單元。其中該接地故障偵測與中斷單元包含：一開關子單元，該開關子單元電性連接至該太陽能轉換單元；一控制子單元，該控制子單元電性連接至該開關子單元；及一漏電流感測子單元，該漏電流感測子單元電性連接至該開關子單元及該控制子單元。其中當該漏電流感測子單元感測到通過該漏電流感測子單元之一漏電流大於一預設漏電流時，該控制子單元控制該開關子單元不導通。 In order to achieve the above object of the present invention, the improved solar energy conversion device of the present invention is applied to a solar panel electrically connected to the improved solar energy conversion device, the improved solar energy conversion device comprising: a solar energy conversion unit, The The solar energy conversion unit is electrically connected to the solar panel; and a ground fault detection and interruption unit electrically connected to the solar energy conversion unit. The ground fault detection and interruption unit includes: a switch subunit electrically connected to the solar energy conversion unit; a control subunit, the control subunit is electrically connected to the switch subunit; and a leakage current The flu detector unit is electrically connected to the switch subunit and the control subunit. When the leakage current sensing subunit senses that the leakage current through one of the leakage current sensing subunits is greater than a predetermined leakage current, the control subunit controls the switching subunit to be non-conductive.
再者，該接地故障偵測與中斷單元更包含：一保險絲，該保險絲電性連接至該漏電流感測子單元及該控制子單元；及一警示子單元，該警示子單元電性連接至該控制子單元。其中該太陽能轉換單元係為一太陽能轉換電路；該控制子單元係為一微控制器；該漏電流感測子單元係為一電感；該警示子單元係為一發光二極體；該開關子單元係為一金屬氧化半導體場效電晶體(metal oxide semiconductor field effect transistor，通常簡稱為MOSFET)、一絕緣閘極雙極性電晶體(insulation gate bipolar transistor，通常簡稱為IGBT)、一矽控整流器(silicon controlled rectifier，通常簡稱為SCR)或一雙極性接面電晶體(bipolar junction transistor，通常簡稱為BJT)。 Furthermore, the ground fault detection and interruption unit further includes: a fuse electrically connected to the leakage current sensing subunit and the control subunit; and a warning subunit, the warning subunit is electrically connected to the Control subunit. The solar energy conversion unit is a solar energy conversion circuit; the control subunit is a microcontroller; the leakage current sensing subunit is an inductor; the warning subunit is a light emitting diode; the switch subunit It is a metal oxide semiconductor field effect transistor (hereinafter abbreviated as MOSFET), an insulation gate bipolar transistor (hereinafter referred to as IGBT), and a controlled rectifier (silicon). Controlled rectifier, often referred to simply as SCR) or a bipolar junction transistor (BJT).
10‧‧‧改良型太陽能轉換裝置 10‧‧‧Modified solar energy conversion device
20‧‧‧太陽能面板 20‧‧‧ solar panels
22‧‧‧光伏特陣列輸出正端 22‧‧‧Photovoltaic array output positive end
24‧‧‧光伏特陣列輸出負端 24‧‧‧Photovoltaic array output negative
102‧‧‧太陽能轉換單元 102‧‧‧Solar conversion unit
104‧‧‧接地故障偵測與中斷單元 104‧‧‧Ground fault detection and interruption unit
106‧‧‧開關子單元 106‧‧‧Switch subunit
108‧‧‧控制子單元 108‧‧‧Control subunit
110‧‧‧漏電流感測子單元 110‧‧‧Leakage current sensing subunit
112‧‧‧保險絲 112‧‧‧Fuse
114‧‧‧警示子單元 114‧‧‧Warning subunit
116‧‧‧短路 116‧‧‧ Short circuit
第一圖為本發明之改良型太陽能轉換裝置方塊圖。 The first figure is a block diagram of an improved solar energy conversion device of the present invention.
第二圖為漏電流如何產生與本發明如何偵測及切斷漏電流示意圖 。 The second figure shows how the leakage current is generated and how the present invention detects and cuts the leakage current. .
請參考第一圖，其係為本發明之改良型太陽能轉換裝置方塊圖。一改良型太陽能轉換裝置10係應用於一太陽能面板20，該太陽能面板20電性連接至該改良型太陽能轉換裝置10。 Please refer to the first figure, which is a block diagram of the improved solar energy conversion device of the present invention. A modified solar energy conversion device 10 is applied to a solar panel 20 that is electrically connected to the improved solar energy conversion device 10.
該改良型太陽能轉換裝置10包含一太陽能轉換單元102及一接地故障偵測與中斷單元104；該太陽能轉換單元102電性連接至該太陽能面板20，該接地故障偵測與中斷單元104電性連接至該太陽能轉換單元102。 The improved solar energy conversion device 10 includes a solar energy conversion unit 102 and a ground fault detection and interruption unit 104. The solar energy conversion unit 102 is electrically connected to the solar panel 20, and the ground fault detection and interruption unit 104 is electrically connected. To the solar energy conversion unit 102.
該接地故障偵測與中斷單元104包含一開關子單元106、一控制子單元108、一漏電流感測子單元110、一保險絲112及一警示子單元114。 The ground fault detection and interruption unit 104 includes a switch subunit 106, a control subunit 108, a leakage current sensing subunit 110, a fuse 112, and a warning subunit 114.
該開關子單元106電性連接至該太陽能轉換單元102；該控制子單元108電性連接至該開關子單元106；該漏電流感測子單元110電性連接至該開關子單元106及該控制子單元108；該保險絲112電性連接至該漏電流感測子單元110及該控制子單元108；該警示子單元114電性連接至該控制子單元108。 The switch subunit 106 is electrically connected to the solar energy conversion unit 102; the control subunit 108 is electrically connected to the switch subunit 106; the leakage current sensing subunit 110 is electrically connected to the switch subunit 106 and the controller The unit 112 is electrically connected to the leakage current sensing subunit 110 and the control subunit 108; the warning subunit 114 is electrically connected to the control subunit 108.
其中該太陽能轉換單元102可為例如但不限定為一太陽能轉換電路；該控制子單元108可為例如但不限定為一微控制器；該漏電流感測子單元110可為例如但不限定為一電感；該警示子單元114可為例如但不限定為一發光二極體。 The solar energy conversion unit 102 can be, for example but not limited to, a solar energy conversion circuit; the control sub-unit 108 can be, for example but not limited to, a microcontroller; the leakage current sensing sub-unit 110 can be, for example but not limited to, a The inductive subunit 114 can be, for example but not limited to, a light emitting diode.
該開關子單元106可為例如但不限定為一金屬氧化半導體場效電晶體(metal oxide semiconductor field effect transistor ，通常簡稱為MOSFET)、一絕緣閘極雙極性電晶體(insulation gate bipolar transistor，通常簡稱為IGBT)、一矽控整流器(silicon controlled rectifier，通常簡稱為SCR)或一雙極性接面電晶體(bipolar junction transistor，通常簡稱為BJT)。 The switch subunit 106 can be, for example but not limited to, a metal oxide semiconductor field effect transistor , commonly referred to as MOSFET), an insulated gate bipolar transistor (hereinafter abbreviated as IGBT), a silicon controlled rectifier (CCR) or a bipolar junction transistor ( Bipolar junction transistor, often referred to as BJT).
請參考第二圖，其係為漏電流如何產生與本發明如何偵測及切斷漏電流示意圖。當一光伏特陣列輸出負端24對大地的絕緣沒有被破壞時，一短路116將不會存在；但是當該光伏特陣列輸出負端24對大地的絕緣被破壞時，將產生該短路116及一漏電流。 Please refer to the second figure, which is a schematic diagram of how leakage current is generated and how the present invention detects and cuts off leakage current. When a photovoltaic array output negative terminal 24 is not damaged by the ground insulation, a short circuit 116 will not exist; but when the photovoltaic array output negative terminal 24 is damaged by the ground insulation, the short circuit 116 will be generated and A leakage current.
該漏電流的路徑為從一光伏特陣列輸出正端22到該光伏特陣列輸出負端24，經過該開關子單元106、該漏電流感測子單元110、該保險絲112及該短路116。 The leakage current path is from a photovoltaic array output positive terminal 22 to the photovoltaic array output negative terminal 24, through the switch subunit 106, the leakage current sensing subunit 110, the fuse 112, and the short circuit 116.
當該漏電流感測子單元110感測到通過該漏電流感測子單元110之該漏電流大於一預設漏電流時，該控制子單元108控制該開關子單元106不導通。藉此，該太陽能轉換單元102停止工作(不將太陽能轉換為電能)。該改良型太陽能轉換裝置10能夠快速地偵測並切斷漏電流。 When the leakage current sensing sub-unit 110 senses that the leakage current through the leakage current sensing sub-unit 110 is greater than a predetermined leakage current, the control sub-unit 108 controls the switching sub-unit 106 to be non-conducting. Thereby, the solar energy conversion unit 102 stops working (not converting solar energy into electrical energy). The improved solar energy conversion device 10 is capable of quickly detecting and cutting off leakage current.
然以上所述者，僅為本發明之較佳實施例，當不能限定本發明實施之範圍，即凡依本發明申請專利範圍所作之均等變化與修飾等，皆應仍屬本發明之專利涵蓋範圍意圖保護之範疇。綜上所述，當知本發明已具有產業利用性、新穎性與進步性，又本發明之構造亦未曾見於同類產品及公開使用，完全符合發明專利申請要件，爰依專利法提出申請。 However, the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the equivalent changes and modifications made by the scope of the present invention should still be covered by the patent of the present invention. The scope of the scope is intended to protect. In summary, it is known that the present invention has industrial applicability, novelty and advancement, and the structure of the present invention has not been seen in similar products and public use, and fully complies with the requirements of the invention patent application, and is filed according to the patent law.
10‧‧‧改良型太陽能轉換裝置 10‧‧‧Modified solar energy conversion device
20‧‧‧太陽能面板 20‧‧‧ solar panels
102‧‧‧太陽能轉換單元 102‧‧‧Solar conversion unit
104‧‧‧接地故障偵測與中斷單元 104‧‧‧Ground fault detection and interruption unit
106‧‧‧開關子單元 106‧‧‧Switch subunit
108‧‧‧控制子單元 108‧‧‧Control subunit
110‧‧‧漏電流感測子單元 110‧‧‧Leakage current sensing subunit
112‧‧‧保險絲 112‧‧‧Fuse
114‧‧‧警示子單元 114‧‧‧Warning subunit
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102103532A TWI466403B (en) | 2013-01-30 | 2013-01-30 | Solar energy conversion apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102103532A TWI466403B (en) | 2013-01-30 | 2013-01-30 | Solar energy conversion apparatus |
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| Publication Number | Publication Date |
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| TW201431232A TW201431232A (en) | 2014-08-01 |
| TWI466403B true TWI466403B (en) | 2014-12-21 |
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|---|---|---|---|
| TW102103532A TWI466403B (en) | 2013-01-30 | 2013-01-30 | Solar energy conversion apparatus |
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| CN104868764B (en) * | 2014-02-26 | 2017-08-04 | 全汉企业股份有限公司 | Inverter and its power conversion method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080123226A1 (en) * | 2006-11-24 | 2008-05-29 | Mcginn Patrick | Ground Fault Detector Interrupter |
| TW200933171A (en) * | 2008-01-29 | 2009-08-01 | Advanced Energy Ind Inc | System and method for ground fault detection and interruption |
| TW201121193A (en) * | 2009-08-20 | 2011-06-16 | First Solar Inc | Adaptive photovoltaic inverter |
| CN202218006U (en) * | 2011-05-24 | 2012-05-09 | 上海正泰电源系统有限公司 | Grounding fault detecting and protecting device of solar photovoltaic inverter |
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- 2013-01-30 TW TW102103532A patent/TWI466403B/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080123226A1 (en) * | 2006-11-24 | 2008-05-29 | Mcginn Patrick | Ground Fault Detector Interrupter |
| TW200933171A (en) * | 2008-01-29 | 2009-08-01 | Advanced Energy Ind Inc | System and method for ground fault detection and interruption |
| TW201121193A (en) * | 2009-08-20 | 2011-06-16 | First Solar Inc | Adaptive photovoltaic inverter |
| CN202218006U (en) * | 2011-05-24 | 2012-05-09 | 上海正泰电源系统有限公司 | Grounding fault detecting and protecting device of solar photovoltaic inverter |
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| TW201431232A (en) | 2014-08-01 |
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