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公开(公告)号：KR1020120070180A
公开(公告)日：2012-06-29
申请号：KR1020100131617
申请日：2010-12-21
Applicant: 삼성전기주식회사 , 성균관대학교산학협력단
IPC: G05F1/67 , H02J7/35 , H01L31/042
Abstract: PURPOSE: A current command value generation method for estimating a maximum power point of a solar energy generation system and an apparatus using the same are provided to calculate output voltage only using a voltage detector, thereby generating a current command value. CONSTITUTION: A voltage detector detects input voltage of a fly-back power conversion part. A first operation unit computes output power from the detected input voltage. A second operation unit computes a power change amount based on the computed output power. The second operation unit computes a voltage change amount of the input voltage. A current command value generating unit(360) creates a current command value. The current command value estimates a maximum power point of a solar cell module.
Abstract translation: 目的：提供用于估计太阳能发电系统的最大功率点的电流指令值生成方法及使用其的装置，以仅使用电压检测器来计算输出电压，从而生成电流指令值。 构成：电压检测器检测回扫功率转换部件的输入电压。 第一操作单元根据检测到的输入电压来计算输出功率。 第二操作单元基于所计算的输出功率来计算功率变化量。 第二操作单元计算输入电压的电压变化量。 电流指令值生成部（360）生成电流指令值。 电流指令值估计太阳能电池模块的最大功率点。
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公开(公告)号：KR1020140040985A
公开(公告)日：2014-04-04
申请号：KR1020120107731
申请日：2012-09-27
Applicant: 삼성전기주식회사 , 성균관대학교산학협력단
CPC classification number: H02M7/537 , H02J3/383 , H02J7/345 , H02M3/33576 , H02M7/4807 , Y02B40/90 , Y02E10/563
Abstract: The present invention relates to a DC-AC power conversion device and a photovoltaic power supply device having the same. The DC-AC power conversion device is capable of charging or supplementing power according to a difference between an output power and a system instantaneous power for a solar cell so that a capacitor for removing a ripple is not to be adopted in an input end or that a capacitor for a small capacity is adopted. The DC-AC power conversion device comprises: a DC-AC power conversion unit to switch AC power to be converted to DC power; and a charging/discharging unit to charge the induced residual power if a power level of the DC power is greater than a power level of the AC power and to discharge the charged power if the power level of the DC power is smaller than the power level of the AC power. [Reference numerals] (230) Control unit; (AA) Snubber circuit
Abstract translation: 本发明涉及一种DC-AC电力转换装置及具备该DC-AC电力转换装置的光伏电力装置。 DC-AC电力转换装置能够根据输出功率与太阳能电池的系统瞬时功率之间的差异对电力进行充电或补充，从而在输入端不采用去除纹波的电容器， 采用小容量的电容器。 DC-AC电力转换装置包括：DC-AC电力转换单元，用于切换要转换为DC电力的AC电力; 以及充电/放电单元，用于对直流电力的功率电平大于交流电力的功率电平进行充电，并且如果直流电力的功率水平小于功率电平，则对充电电力进行放电 的交流电源。 （附图标记）（230）控制单元; （AA）缓冲电路
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公开(公告)号：KR1020140025692A
公开(公告)日：2014-03-05
申请号：KR1020120091666
申请日：2012-08-22
Applicant: 삼성전기주식회사 , 성균관대학교산학협력단
CPC classification number: Y02E60/60
Abstract: The present invention relates to a solar power supplying apparatus and a power supply controlling method thereof, capable of increasing power conversion efficiency by differently setting a switching frequency according to a normal state and a transient state. Disclosed are the solar power supplying apparatus and the power supply controlling method thereof. The solar power supplying apparatus includes: a direct current-direct current (DC-DC) power converting unit which converts a first DC power source into a second DC power source with a preset voltage level by switching the first DC power source from a solar cell; and a control unit which compares the power level of the first DC power source with the power level of the second DC power source, and changes switching frequency according to the comparison result. [Reference numerals] (221) Comparison unit; (222) Selection unit; (223) Signal generation unit
Abstract translation: 太阳能供电装置及其电源控制方法技术领域本发明涉及一种太阳能供电装置及其电源控制方法，其能够通过根据正常状态和过渡状态不同地设定开关频率来提高电力转换效率。 公开了太阳能供电装置及其电源控制方法。 太阳能供电装置包括：直流 - 直流（DC-DC）电力转换单元，其通过从太阳能电池切换第一直流电源将第一直流电源转换成具有预设电压电平的第二直流电源 ; 以及控制单元，其将第一DC电源的功率电平与第二DC电源的功率电平进行比较，并且根据比较结果改变开关频率。 （221）比较单元; （222）选择单位; （223）信号发生单元
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公开(公告)号：KR101310572B1
公开(公告)日：2013-09-23
申请号：KR1020110032781
申请日：2011-04-08
Applicant: 삼성전기주식회사 , 성균관대학교산학협력단
CPC classification number: H02M3/33523 , H02J3/383 , H02M2001/007 , H02M2001/342 , Y02B70/1491 , Y02E10/563
Abstract: 본 발명은 태양전지에서 생성된 출력 전압을 직류 전압으로 변환하며, 컨버터 스위칭 소자를 갖는 DC/DC 변환 장치, 컨버터 스위칭 소자에 걸리는 전압을 클램프시키는 스너버 스위치를 갖는 스너버 장치 및 컨버터 스위칭 소자에 걸리는 전압을 검출하고, 검출된 컨버터 스위칭 소자에 걸리는 전압의 레벨에 따라 스너버 스위치의 동작을 제어하는 제어 장치를 포함하는 태양전지 발전 시스템으로 스위칭 손실 및 전도 손실을 줄이고 태양전지 발전 시스템의 효율을 증가시킬 수 있다.
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公开(公告)号：KR101224741B1
公开(公告)日：2013-01-21
申请号：KR1020110062939
申请日：2011-06-28
Applicant: 삼성전기주식회사 , 성균관대학교산학협력단
IPC: H02S40/30
CPC classification number: H02M7/4807 , H02J3/383 , Y02E10/563 , Y02E10/58
Abstract: 본 발명은 태양전지에서 생성된 전압을 교류 전압으로 변환하여 전력 계통에 인가하는 태양전지 발전 시스템에 있어서, 태양전지에서 생성된 전압을 직류 전압으로 변환하며, 동기 스위치로 구성된 동기 정류기를 갖는 DC/DC 변환 장치 및 전력 계통의 위상 및 전압 중 어느 하나를 검출하고, 전력 계통의 위상 및 전압 중 어느 하나에 따라 동기 정류기의 동기 스위치를 선택적으로 연결시키는 제어 장치를 포함하는 태양전지 발전 시스템으로 전도 손실을 줄이고, 태양전지 발전 시스템의 전체 효율을 증가시킬 수 있다.
Abstract translation: 本发明具有在对由太阳能电池产生的成AC电压被施加到所述电力系统的太阳能电池电力系统的电压，转换由所述太阳能电池产生成直流电压的电压转换，和同步整流器被配置为同步开关DC / DC变换器和控制装置，该控制装置检测电力系统的相位或电压，并根据电力系统的相位或电压选择性地连接同步整流器的同步开关。 并提高太阳能电池发电系统的整体效率。
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Patent Agency Ranking
公开(公告)号：KR1020130007020A
公开(公告)日：2013-01-18
申请号：KR1020110062939
申请日：2011-06-28
Applicant: 삼성전기주식회사 , 성균관대학교산학협력단
IPC: H02S40/30
CPC classification number: H02M7/4807 , H02J3/383 , Y02E10/563 , Y02E10/58
Abstract: PURPOSE: A DC/DC conversion device and a solar battery generation system including the same are provided to reduce loss of conduction by controlling selective operation of a synchronization diode or a synchronization switch. CONSTITUTION: A control device includes a converter control unit(260a) which outputs a converter control signal to a converter in order to change an output voltage. The control device includes an inverter control unit(260b) which outputs an inverter control signal. The control device generates a synchronization rectifier control signal in order to selectively operate a synchronization switch of a synchronization rectifier. The converter control unit includes an MPPT control unit, a current control unit, a phase detection unit, a sine value output unit, an operation unit, and a converter signal generation unit.
Abstract translation: 目的：提供DC / DC转换装置和包括该DC / DC转换装置的太阳能电池发电系统，以通过控制同步二极管或同步开关的选择性操作来减少导通损失。 构成：控制装置包括转换器控制单元（260a），其向转换器输出转换器控制信号以改变输出电压。 控制装置包括输出逆变器控制信号的逆变器控制部（260b）。 控制装置产生同步整流器控制信号，以选择性地操作同步整流器的同步开关。 转换器控制单元包括MPPT控制单元，电流控制单元，相位检测单元，正弦值输出单元，操作单元和转换器信号生成单元。
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公开(公告)号：KR1020130002299A
公开(公告)日：2013-01-07
申请号：KR1020120104059
申请日：2012-09-19
Applicant: 삼성전기주식회사 , 성균관대학교산학협력단
CPC classification number: Y02E60/60
Abstract: PURPOSE: A solar battery generating system is provided to reduce conduction loss by selectively operating a synchronous switch or a synchronous diode. CONSTITUTION: A DC/DC converter converts the voltage generated from a solar cell into DC voltage. The DC/DC converter has a synchronous switch, a synchronous rectifier, and an output capacitor. The synchronous rectifier comprises a synchronous diode connected to the synchronous switch in parallel. The output capacitor is serially connected to the synchronous rectifier. A control device selectively connects the synchronous switch of the synchronous rectifier and comprises a converter control part(260a), an inverter control part(260b), and a synchronous rectifier control part(260c). A converter control part outputs a converter control signal to a converter. The inverter control portion outputs an inverter control signal to the inverter. The synchronous rectifier control unit outputs a synchronous rectifier control signal to the synchronous switch.
Abstract translation: 目的：提供一种太阳能电池发电系统，通过选择性地操作同步开关或同步二极管来降低导通损耗。 构成：DC / DC转换器将从太阳能电池产生的电压转换为直流电压。 DC / DC转换器具有同步开关，同步整流器和输出电容器。 同步整流器包括并联连接到同步开关的同步二极管。 输出电容串联连接到同步整流器。 控制装置选择性地连接同步整流器的同步开关，包括转换器控制部分（260a），逆变器控制部分（260b）和同步整流器控制部分（260c）。 A转换器控制部分向转换器输出转换器控制信号。 逆变器控制部向逆变器输出逆变器控制信号。 同步整流器控制单元向同步开关输出同步整流器控制信号。
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公开(公告)号：KR101208252B1
公开(公告)日：2012-12-04
申请号：KR1020100131617
申请日：2010-12-21
Applicant: 삼성전기주식회사 , 성균관대학교산학협력단
IPC: G05F1/67 , H02J7/35 , H01L31/042
Abstract: 태양에너지발전시스템의최대전력점추종을위한전류지령치생성방법및 장치가개시된다. 전류지령치생성장치는태양전지모듈과태양전지모듈로부터전압을입력받아계통전압으로출력하는플라이백전력변환부를포함하는태양에너지발전시스템의최대전력점추종을위한전류지령치생성장치에있어서, 플라이백전력변환부의입력전압을검출하는전압검출부와, 검출된입력전압으로부터출력전력을연산하는제1 연산부와, 연산된출력전력에기초한전력변동분및 입력전압의전압변동분을연산하는제2 연산부와, 연산된전압변동분및 연산된전력변동분으로부터태양전지모듈의최대전력점을추종하기위한전류지령치를생성하는전류지령치생성부를포함하는것을특징으로한다. 이를통해, 전류검출부없이전압검출부만으로출력전력을연산한후 전류지령치를생성할수 있으며, 고가의전류검출부에드는비용을줄일수 있어태양에너지발전시스템의비용을절감할수 있는한편, 회로를단순화할수 있는효과가있다.
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公开(公告)号：KR101434098B1
公开(公告)日：2014-08-25
申请号：KR1020130038318
申请日：2013-04-08
Applicant: 삼성전기주식회사 , 성균관대학교산학협력단
Abstract: The present invention relates to a solar power supplying apparatus capable of increasing power conversion efficiency. Suggested is the solar power supplying apparatus which includes: a power supply unit which converts power by switching input power from a solar cell and supplies the power which is synchronously rectified by synchronously rectifying the power converted according to the power conversion switching; and a control unit which controls the synchronous rectification operation with a zero voltage according to the power conversion switching.
Abstract translation: 本发明涉及能够提高电力转换效率的太阳能供电装置。 建议的太阳能供电装置包括：电源单元，其通过切换来自太阳能电池的输入电力来转换功率，并通过同步整流根据功率转换切换转换的功率来同步整流的电力; 以及控制单元，其根据功率转换切换控制具有零电压的同步整流操作。
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公开(公告)号：KR1020140028606A
公开(公告)日：2014-03-10
申请号：KR1020120095193
申请日：2012-08-29
Applicant: 삼성전기주식회사 , 성균관대학교산학협력단
CPC classification number: Y02E60/60
Abstract: The present invention relates to a DC-AC power converting device and a device for supplying solar power thereof capable of not applying a capacitor for ripple removal in an input end or applying a capacitor having a small capacity by charging power according to the difference between the output power and system inspection power of a solar battery. Provided is the DC-AC power converting device which comprises a DC-AC power converting unit and a charging and discharging unit. The DC-AC power converting unit switches DC power and converts the same into AC power. The charging and discharging unit charges surplus power generated by performing a switching operation when the power level of the DC power is larger than the power level of the AC power and discharges the power charged by performing the switching operation when the power level of the DC power is smaller than the power level of the AC power. [Reference numerals] (230) Control unit
Abstract translation: 本发明涉及一种直流 - 交流电力转换装置及其太阳能发电装置，其能够在输入端不施加纹波去除的电容器，或者通过充电电力来施加具有小容量的电容器 太阳能电池的输出功率和系统检查功率。 提供了包括DC-AC电力转换单元和充电和放电单元的DC-AC电力转换装置。 直流 - 交流电源转换单元切换直流电源并将其转换为交流电源。 当直流电源的功率电平大于交流电源的功率电平时，充放电单元通过进行开关动作产生的剩余电力，并且当直流电力的功率电平时，通过执行开关操作来放电所充电的电力 小于交流电源的功率电平。 （附图标记）（230）控制单元
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