TWM384460U - Electrical power conversion device with a power factor correction feature - Google Patents

Electrical power conversion device with a power factor correction feature Download PDF

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Publication number
TWM384460U
TWM384460U TW99203641U TW99203641U TWM384460U TW M384460 U TWM384460 U TW M384460U TW 99203641 U TW99203641 U TW 99203641U TW 99203641 U TW99203641 U TW 99203641U TW M384460 U TWM384460 U TW M384460U
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circuit
power
voltage
switch
component
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TW99203641U
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Chinese (zh)
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kun-nan Cai
Fu-Tian Li
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Welland Ind Co Ltd
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Description

M384460 五、新型說明: 【新型所屬之技術領域】 一種具功因修正的電源轉換裝置,尤指一種高功率因 數的電源轉換裝置。 【先前技術】 功因修正(Power Factor Correction ; PFC )其主要作用 是讓電器產品的輸入電壓與輸入電流的相位達到相同,且 使電器產品的負載近似於電阻性負載,以達到供電的高功 率因數。 ° 參考第一圖,第一圖為傳統具有功因修正器的直流電 源供應盗架構示意圖。如第一圖所示,直流電源供應哭1 包含有一 EMI濾波電路11、一整流電路13、一功因修正器 ίο及一電壓轉換器12。整流電路13經由EMI濾波電路^ 接收一輸入市電AC,以及將輸入市電AC轉換成一直流電 壓DC,並且將直流電壓DC送至功因修正器1〇。 功因修正器1〇包括一功率級1〇1與一控制級1〇2,在 功率級101部分,目前有以下幾種常見的拓樸結構:昇壓 型、降屋型與返馳式架構等。在這幾種架構中,由於昇麼 型可以用單級電路達成高功因與較低諧波的效果,因此最 常被應用於功因修正器1()中。在控制級逝部分,則多半 利用-PFC控制器1020取得功率極1〇1的輸出電壓、輸入 電流、輸人電壓等訊號來決定驅動—功率開關Q3。藉由高 頻切換功率開關Q3來強迫輸入電流的相位追隨輸入市電 AC,而達成高功率因數的目的。 另外電壓轉換器I2也包括了一功率級⑵與一控制 .、及m在功率級⑵部分有以下常見的結構:昇歷型、降 4/16 壓型與返驰式架構等。在控制級122部分,則多半利用一 PWM控制器1220透過一回授電路1222取得功率級121的 輪出電壓Vo與輸出電流1〇等訊號來決定驅動一功率開關 Q1。藉由高頻切換功率開關Q1來達到穩定輪出電塵v〇與 輸出電流1〇的目的》 直流電源供應器1使用兩級方式轉換,以求得高功率 因,以及穩定的輸出電壓與電流。然而,此種直流電源供M384460 V. New description: [New technical field] A power conversion device with power correction, especially a power conversion device with high power factor. [Prior Art] The main function of Power Factor Correction (PFC) is to make the input voltage of the electrical product and the input current reach the same phase, and the load of the electrical product is similar to the resistive load to achieve the high power of the power supply. Factor. ° Refer to the first figure. The first figure is a schematic diagram of a traditional DC power supply pirate architecture with a power factor corrector. As shown in the first figure, the DC power supply crying 1 includes an EMI filter circuit 11, a rectifier circuit 13, a power factor corrector ίο, and a voltage converter 12. The rectifier circuit 13 receives an input mains AC via the EMI filter circuit, converts the input mains AC to a DC voltage DC, and supplies the DC voltage DC to the power factor corrector 1A. The power factor corrector 1 includes a power stage 1〇1 and a control stage 1〇2. In the power stage 101 part, there are currently several common topologies: boost type, down mode and flyback architecture. Wait. In these architectures, the booster type can be used in the power factor corrector 1() because it can achieve high power factor and lower harmonics with a single-stage circuit. In the control phase lapse portion, the -PFC controller 1020 is used to obtain the output voltage, the input current, the input voltage, and the like of the power pole 1 〇 1 to determine the drive-power switch Q3. By switching the power switch Q3 at high frequency to force the phase of the input current to follow the input mains AC, a high power factor is achieved. In addition, the voltage converter I2 also includes a power stage (2) and a control ., and m has the following common structures in the power stage (2): the ascending type, the down 4/16 type and the flyback architecture. In the control stage 122, a PWM controller 1220 is used to obtain a signal of the output voltage of the power stage 121 and the output current of 1 透过 through a feedback circuit 1222 to drive a power switch Q1. The high-frequency switching power switch Q1 achieves the purpose of stabilizing the electric dust and the output current 1〇. The DC power supply 1 uses a two-stage mode conversion to obtain high power factor and stable output voltage and current. . However, this DC power supply is available.

,器1需要兩組的控制級與兩組功率級,其電路结構相當 複雜’相對成本也較高。 【新型内容】 本,作的實施例提供—種具功因修正的電源轉換裝 &本實施例的f源轉換裝置藉由電路結構上的改良與單 級控制=式,達成高功率因數與穩定輸出的特點。 π链tϋ之具功11修正的電源轉換裝置係、將一輸入電 一輸出電壓’該轉換襄置包括:-電感性元件、The device 1 requires two sets of control stages and two sets of power levels, and its circuit structure is quite complicated 'the relative cost is also high. [New Content] The embodiment of the present invention provides a power conversion device with a power factor correction. The f source conversion device of the present embodiment achieves a high power factor by improving the circuit structure and the single-stage control= The characteristics of stable output. The power conversion device of the π chain tϋ has a power correction device that converts an input power to an output voltage. The conversion device includes: - an inductive component,

一以 一開關、一儲能元件、-電容性元件及 耳==路^感性元件接收輸人電壓。單向導通元件串 ===1°儲能元件串聯該開關與電容性元 件,辅權。輪出電蝴妾於儲能元 對電残性丄牛壓。其中,導通的開關令輸入電壓 止的開關令電感性元件與儲 令該電祕元件_電_元做電_職電以及 源供===:正置簡化了傳統電 供高達。.一上的功率因數值且與:= 5/16 M384460 施例之具功因修正的電源轉換裝置使用單一電感性元件 以降低電狀電針擾(_),同時,也克服了傳統電源供 應器在功因修正(PFC)、電磁干擾(EMI)與輸出穩定性益法 兼顧的問題。 . 【實施方式】 本創作提供一種具功因修正的電源轉換裝置,該穿置 利用單級控制方式進行電壓轉換與供電,並且在供°電過程 中,同時兼顧功因修正(PFC)與穩定輸出的特點。 王 參考第二圖’第三®為本創作第—實施例之具功因修 正的電源轉換裝置。如第二圖所示,具功因修正的電源^ 換裝置2包括有一電感性元件Lp、一單向導通元件Di、一 開關Q1、一儲能元件20、一電容性元件C1及一輸出電路 22。其中,電感性元,件Lp接收一輸入電壓Vr。單向導通元 件D1串聯電感性元件Lp與開關φ。儲能元件2〇串聯於 開關Q1與電容性元件C1,其中,電容性元件C1具有一輔 助電壓Vb。輸出電路22耦接於儲能元件20,用以輸出一 輸出電壓Vo。 配合第三A圖’復參考第二圖。於時間t0_ti時,開關 Q1受到控制而導通。此時,輸入電壓Vr經由導通的開關 Q1與單向導通元件01對電感性元件Lp充電,並儲存—第 一電流ILp於電感性元件Lp。同時,電容性元件C1上的 輔助電壓Vb經由導通的開關Q1對儲能元件20充電,並 儲存一第二電流ILf於儲能元件20。前述中,儲能元件20 可以是一變壓器T1。並且, 復參考第二圖。於時間tl-t2時,開關Q1受到控制而 截止。此時,第一電流ILp與第二電流ILf將會反應到儲能 6/16 兀件20的二次側電感Ls,並從二次側電感Ls產生一輸出 止日/ 1〇以對輪出電路22放電。第一電流江口在開關qi截 時’不僅經由儲能元件20對輸出電路22放電,同時, 也會經由儲能元件20的一次侧電感Lf對電容性元件C1放 =,由於第—電流ILp會隨輸入電壓Vr的電壓而增減,當 。二電流ILP小於第二電流ILf時,輔助電壓Vb的電壓由 ,谷性元件C1的容量維持並對一次側電感Lf放電,當第 r電oil ILp大於第二電流iLf時,電容性元件ci開始充電, =新建立輔助電壓^於電容性元件C1 ± (配合第三β 團至第三F圖)。 ,參考第二圖。在本第一實施例中,單向導通元件^^ 、疋極體(Di〇d)或開關晶體(m〇s)等元件。同時,電咸 =元:LP可以是電感器㈤⑽纖)或變壓器(Transf贿 電α可以是電容器(Capacitance)。輸出 截=t;二極體D2連接一輸出電容C2。在開_ 輸,流1〇、經由二極體D2對輸出電容c2充電, W⑥出電容C2上建立該輸出電壓v〇。 勹紅復Γί第—圖。具功因修正的電源轉換裝置2更可以 於„ /' 口杈電路24。其中,控制器23連接 :幵Q ,八係依據一操作頻率對門關D1、隹4· 制。同時,對開關Q1進仃切換的控 ^ 路24輕接於輸出電路22與控哭 回授電路24從輸出電路2 ^ °。, 參考。如此,控制器23胳π、, 4 ’、控制森23 1〇的信號與操作頻率加以二二據輪出電壓ν〇、輪出電流 ,ΙΑΑΘ負旱加以控制開關Q1的切換動作,讓太镇 ,例的具功因修正的電源轉換裂置2在供二t 7/16 。’點。 ϊϋ可以包括一 EMI渡波電路26力:修ΐ::源轉摘 ,電路27_ΕΜΙ遽波電路::整流電路27, 整流電路27從腿遽波電路%接電^元件¥其中, 及將交流電壓AC整流,以送 父流電壓AC,以 件¥如第—輸人電至電感性元 電壓析的―半週期間内,控制器23 r机電廢,在輸入 控制開_高頻切換,以讓第1 =用Μ頻率的方式 t _跟隨輸人Μ 相位,二 ^ 2 23與整流電踗27 敕 一整^路25耦接控制 ”埜机電路27,凋整電路25從整 輸入電麗%,並且,根據輸入電麗二路=出取 23的操作頻率f如第 ’、凋查控制 加允/第所不’在輸人賴%的-半 ==;ΓΛ路25會跟隨著的大小而撕 =i=T。,其中,輪入_vr變大,剧 條,減的,輸增冰,操娜 =此’控制器23採用頻率調變的方式控制開關φ高 入^厂:以讓第一電流ILP的平均值IaV的相位能夠跟隨輸 ^制Vr _位’進而達成功轉正之目^在本實施例 中’知作頻率fo的範圍是5〇版至⑽版,然而此範 圍並非為本創作之唯一限制。 配合第二圖,參考第六圖。第六圖為本第—實施例的 8/16 M384460 第一應用電路示意圖。如第六圖所示,具功因修正的電源 轉換裝置2中的控制器23可以是一 PWM控制器,例如型 號UC3842/3844的控制器《同時,調整電路25由電阻器 Rfl、Rf2、Rf3、R38、二極體D19及電容器C5組成。The input voltage is received by a switch, an energy storage component, a capacitive component, and an ear==channel^inductive component. Single-conductor component string ===1° The energy storage component is connected in series with the capacitive component and the auxiliary component. The wheel is powered by the energy storage element. Among them, the switch that turns on the input voltage causes the inductive component to store the inductive component and the memory component. The electric_source and the source supply ===: the positive position simplifies the conventional power supply. The power factor value on one and with: = 5/16 M384460 The power conversion device with the modified power factor uses a single inductive component to reduce the electrical electrical interference (_), and also overcomes the traditional power supply. The problem of both power factor correction (PFC), electromagnetic interference (EMI) and output stability benefits. [Embodiment] The present invention provides a power conversion device with a power factor correction, which uses a single-stage control method for voltage conversion and power supply, and in the process of supplying electricity, both power factor correction (PFC) and stability are simultaneously considered. The characteristics of the output. Wang Refer to the second diagram 'Third® is the power conversion device with the power factor correction for the creation of the first embodiment. As shown in the second figure, the power conversion device 2 with power correction includes an inductive component Lp, a single-conducting component Di, a switch Q1, an energy storage component 20, a capacitive component C1, and an output circuit. twenty two. Wherein, the inductive element, the piece Lp receives an input voltage Vr. The one-way conduction element D1 is connected in series with the inductive element Lp and the switch φ. The energy storage element 2 is connected in series to the switch Q1 and the capacitive element C1, wherein the capacitive element C1 has an auxiliary voltage Vb. The output circuit 22 is coupled to the energy storage component 20 for outputting an output voltage Vo. With reference to the third A map, refer to the second figure. At time t0_ti, switch Q1 is controlled to conduct. At this time, the input voltage Vr charges the inductive element Lp via the turned-on switch Q1 and the one-way conduction element 01, and stores the first current ILp in the inductive element Lp. At the same time, the auxiliary voltage Vb on the capacitive element C1 charges the energy storage element 20 via the turned-on switch Q1 and stores a second current ILf in the energy storage element 20. In the foregoing, the energy storage component 20 may be a transformer T1. And, refer to the second figure. At time t1 - t2, switch Q1 is controlled to be turned off. At this time, the first current ILp and the second current ILf will react to the secondary side inductance Ls of the energy storage 6/16 element 20, and generate an output stop/1 从 from the secondary side inductance Ls to turn out Circuit 22 is discharged. When the switch qi is cut, the first current estuary not only discharges the output circuit 22 via the energy storage element 20, but also discharges the capacitive element C1 via the primary side inductance Lf of the energy storage element 20, since the first current ILp will Increase or decrease with the voltage of the input voltage Vr, when. When the two current ILP is smaller than the second current ILf, the voltage of the auxiliary voltage Vb is maintained by the capacity of the gluteal element C1 and discharged to the primary side inductance Lf. When the rth electric oil ILp is greater than the second current iLf, the capacitive element ci starts. Charging, = newly established auxiliary voltage ^ for capacitive element C1 ± (with the third β group to the third F picture). , refer to the second picture. In the first embodiment, an element such as a single-conducting element, a diode (Di〇d) or a switching crystal (m〇s) is used. At the same time, electric salt = yuan: LP can be inductor (5) (10) fiber) or transformer (Transf bribes can be capacitors (Capacitance). Output truncation = t; diode D2 is connected to an output capacitor C2. In open_transmission, flow 1〇, the output capacitor c2 is charged via the diode D2, and the output voltage v〇 is established on the output capacitor C2 of the W6. 勹红复Γί第图. The power conversion device 2 with the modified power can be further „ /'杈 circuit 24. Among them, the controller 23 is connected: 幵Q, and the eight systems are connected to the gates D1 and 隹4 according to an operating frequency. Meanwhile, the control circuit 24 for switching the switch Q1 is lightly connected to the output circuit 22 and controlled. Cry feedback circuit 24 from the output circuit 2 ^ °, reference. Thus, the controller 23 π,, 4 ', control the 23 1 〇 signal and the operating frequency to the second and second rounds of the voltage ν 〇, the current ΙΑΑΘ 旱 加以 加以 加以 加以 控制 控制 控制 控制 控制 控制 控制 控制 控制 控制 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太 太ΐ:: source transfer, circuit 27_chopper circuit:: rectifier circuit 27, rectifier circuit 27 from the leg chopping The road is connected to the power component, and the AC voltage is rectified to send the parent current voltage AC, such as the first half of the period from the first to the input power to the inductive element voltage, the controller 23 r Electric waste, in the input control open _ high frequency switching, so that the first = use Μ frequency mode t _ follow the input Μ phase, two ^ 2 23 and rectification 踗 27 敕 a whole ^ 25 coupling control "wild The circuit 27, the mashing circuit 25 from the whole input electric %, and, according to the input electric enthalpy = the operating frequency f of the outgoing 23 as the 'th, the control of the control is allowed / the second is not in the loser% - half ==; the road 25 will follow the size of the tear = i = T., where the turn _vr becomes larger, the drama, the reduction, the increase of ice, the train = this 'controller 23 adopted In the frequency modulation mode, the control switch φ is high in the factory: so that the phase of the average value IaV of the first current ILP can follow the Vr _ bit of the input voltage, and then the target of successful conversion is obtained. The range of fo is from 5〇 to (10), however this range is not the only limitation of this creation. With the second picture, refer to the sixth picture. The sixth picture is the first implementation The first application circuit diagram of 8/16 M384460. As shown in the sixth figure, the controller 23 in the power conversion device 2 with the power factor correction can be a PWM controller, for example, the controller of the model UC3842/3844. The adjustment circuit 25 is composed of resistors Rfl, Rf2, Rf3, R38, a diode D19, and a capacitor C5.

配合第二圖,參考第七圖。第七圖為本第一實施例的 第一應用電路示意圖。如第七圖所示,具功因修正的電源 轉換裝置2中的控制器23可以是一具準諧振模式(QRM〇de) 的PWM控制器,例如型號〇B22〇2的控制器。同時,調整 電路25由電阻器R9、R1〇及電容器C8組成。控制器23 操作在準譜振模式(QRM〇de)時,第一電流叫會保持在非 連續與連續的臨界點上(即τ=τ〇η+τ〇均。 令可弟八圖 第三應用電路示意圖。如第八圖所示,具功因修正的電获 f奐裝置2中’控繼23、調整電路25及開關Q1組成_With reference to the second figure, refer to the seventh figure. The seventh figure is a schematic diagram of the first application circuit of the first embodiment. As shown in the seventh diagram, the controller 23 in the power conversion device 2 having the power factor correction may be a PWM controller of a quasi-resonant mode (QRM〇de), such as a controller of the model 〇B22〇2. At the same time, the adjustment circuit 25 is composed of resistors R9, R1 and capacitor C8. When the controller 23 operates in the quasi-spectral mode (QRM〇de), the first current is held at the discontinuous and continuous critical point (ie, τ=τ〇η+τ〇 is the same. Application circuit diagram. As shown in the eighth figure, the power-corrected power is obtained from the device 2, the control circuit 23, the adjustment circuit 25 and the switch Q1.

Ringing Choke Converter ; RCC).Ringing Choke Converter ; RCC).

〇、Λ’Λ制器23由電阻器R2、R7-R8、電容器C9及開關 Q3所組成,調整電路25由雷 C8、二極體D1G侧及關Q4 / 、R9_R1G、電容器 例之參考第九圖。第九圖為本創作第二實施 Ju力α修正的電源轉換裝置。在本創作第 的兀件與第一實施例相同者, _ 施例與第-實施_電路動作々=號標*。第二實 過比較下’其主要的差異處在於:第 型的電源轉換裝置,而第二實 貫施例為-種ι彖 轉換裝置。其中,第二實施例的種非絕緣型的電源 配合第十圖,復來考第九件20,是一電感器L。 >亏弟九圖。於時間to-tl時,開關Q1 9/16 M384460 受到控制而導t。此峙’輸入電壓Vr經由導通的開關Q1 與單向導^件Dlf^齡餅Lp充電,⑽存一第一 電流1LP於電感性元件Lp。同日夺,電容性元件C1上的輔 助電壓vb經由導通的開關Q1對儲能元件2 存一第二電訊於•元件2〇,。 電補 於時間U42時,開關φ受到控制而戴止。此 -電流ILp與第-電;^ IL結合成輸出電流Iq以對輸出 22,放電。第一電流ILp在開關Q1截止時,不僅經由 元件20,對輸出魏22,放電,同時,也會經由儲能元件2〇, 對電容性το件C1放電’由於第一電流叫會隨輪入電壓 Vr的電壓而增減,當第一電流ILp小於第二電流仏時,輔 助電壓Vb的電壓由電容性元件C1的容量維持並對儲能元 件20’放電,當第一電流ILp大於第二電流扎時,電容性 元件ci開始充電,以重新建立辅助電壓¥1)於電容性元 C1上。 配合第九圖,參考第十一圖。第十一圖為本第二實施 例的應用電路示意圖。如第十-圖所示,具功因修正的^ 源轉換裝置2’中的控制器23可以是一 pwM控制器,例如 型號UC3842/3844的控制器。同時,調整電路25由電阻器 RH、Rf2、Rf3、R38、二極體D19及電容器C5所組成崙 另外,本第二實施例之具功因修正的電源轉換裝置之, 的其他應^用中,控制器23同樣可以如第-實施例所^,是 -具準譜振模式(QR M()de)的PWM控制器 = OB2202的控制器,同時,調整電路25由電阻器r = 及電容HC8組成(如第七圖所示)。·亦或,控制器力 整電路25及開關Q1組成—蕩線圈變換器控制電= 10/16 JO84460 (Ringing Choke Converter ; RCC),其中,控制器 23 由 阻R2 R7-R8、電谷器C9及開關Q3所組成,調整 25由電阻器R6、R9_R10、電容器C8、二極體di〇 d 開關Q4 (如第八圖所示)。 、综上所述,本創作之具功因修正的電源轉換裝置具有 以下優點: -單-簡控㈣及開關日日日體,線路基本結構 簡早’成本低’功率因數高。 二、 反馳式電源轉換線路_,因其頻率固定 與輸入電流與輸入電壓會產生一定的相位差數 值㈣仍,持於0.90以上,對某些功率因數值㈣ 咼的應用是很好的解決方式。 三、 對開_頻率作調變,_ 各種PWM線路易於達成,使 有 數要求,功率因數值㈣可以達至,^98易^達成對南功率因 四、 直流輸出穩定佳,對低頻 調節度好,無需使用超大容量輸出雷〜、me哪㈣) 節省空間,節省成本。 粉出電谷’調節低頻線頻率, 五、 PFC電感峰值電流低, 容易。 _電磁干擾(EMI)防治上相對 惟,以上所述,僅為本創 詳細說明與圖式,任何熟悉 土之一的具體實施例之 内,可輕易思及之變化或修^^技藝者在本創作之領域 範圍。 &可/函蓋在以下本案之專利 【圖式簡單說明】 第一圖為傳統具有功因佟 〆盗的直流電源供應器架構 11/16 M384460 不意圖, 第二圖為本創作第一實施例之具功因修正的電源轉換 裝置; 第三A圖至三F圖為本創作第一實施例之操作波形示 意圖, 第四圖為本創作第一實施例之定頻式功因校正波形示 意圖; 第五圖為本創作第一實施例之變頻式功因校正波形示 意圖, 第六圖為本第一實施例的第一應用電路示意圖; 第七圖為本第一實施例的第二應用電路示意圖; 第八圖為本第一實施例的第三應用電路示意圖; 第九圖為本創作第二實施例之具功因修正的電源轉換 裝置; 第十圖為本創作第二實施例之操作波形示意圖;及 第十一圖為本第二實施例的應用電路示意圖。 【主要元件符號說明】 習知: 直流電源供應器1 功因修正器10 EMI濾波電路11 電壓轉換器12 整流電路13 輸入市電AC 直流電壓DC 功率級101、121 12/16 M384460 控制級102、122 PFC控制器1020 功率開關Q1、Q3 PWM控制器1220 回授電路1222 本創作: 具功因修正的電源轉換裝置2、2’ 儲能元件20、20’ 輸出電路22、22’ 控制器23 回授電路24 調整電路25 EMI濾波電路26 整流電路27 電感性元件Lp 單向導通元件D1 開關Q1 電容性元件C1 輸入電壓Vr 辅助電壓Vb 輸出電壓Vo 第一電流ILp 第二電流ILf、IL 輸出電流Ιο 二極體D2 輸出電容C2 13/16 M384460 交流電壓AC 一次側電感Lf 二次側電感Ls 電感器L 變壓器T1 14/16The 〇, Λ' controller 23 is composed of resistors R2, R7-R8, capacitor C9 and switch Q3, and the adjustment circuit 25 is composed of a lightning C8, a diode D1G side, and a Q4 / , R9_R1G, and a capacitor example reference ninth. Figure. The ninth figure is the power conversion device of the second implementation of the Ju force α correction. In the first part of the present creation, the same as the first embodiment, the _thuse and the first-implementation_circuit action 々=number mark*. The second major difference is that the main difference is: the first type of power conversion device, and the second practical embodiment is the type of ι彖 conversion device. Wherein, the non-insulated power supply of the second embodiment cooperates with the tenth figure, and the ninth part 20 of the second test is an inductor L. > Loss nine map. At time to-tl, switch Q1 9/16 M384460 is controlled to conduct t. The input voltage Vr is charged to the single-lead Dlf-age cake Lp via the turned-on switch Q1, and (10) a first current 1LP is stored in the inductive element Lp. On the same day, the auxiliary voltage vb on the capacitive element C1 stores a second signal to the element 2 via the turned-on switch Q1. When the electric compensation is at time U42, the switch φ is controlled to be worn. This - current ILp is combined with the first - electric; ^ IL to form an output current Iq to discharge to the output 22. When the switch Q1 is turned off, the first current IL1 not only discharges the output Wei 22 via the element 20, but also discharges the capacitive τ ο C1 via the energy storage element 2 ' 'Because the first current is called with the wheel The voltage of the voltage Vr is increased or decreased. When the first current ILp is smaller than the second current 仏, the voltage of the auxiliary voltage Vb is maintained by the capacity of the capacitive element C1 and discharged to the energy storage element 20', when the first current ILp is greater than the second When the current is tied, the capacitive element ci starts to charge to re-establish the auxiliary voltage ¥1) on the capacitive element C1. With reference to the ninth figure, refer to the eleventh figure. Figure 11 is a schematic diagram of an application circuit of the second embodiment. As shown in the tenth-figure, the controller 23 in the power conversion device 2' of the power factor correction may be a pwM controller such as a controller of the model UC3842/3844. At the same time, the adjusting circuit 25 is composed of the resistors RH, Rf2, Rf3, R38, the diode D19 and the capacitor C5. In addition, in the second embodiment, the power conversion device with the power factor correction is used. The controller 23 can also be a controller of the PWM controller = OB2202 with a quasi-spectral mode (QR M()de), and the adjustment circuit 25 is composed of a resistor r = and a capacitor as in the first embodiment. HC8 composition (as shown in the seventh figure). Or, the controller winding circuit 25 and the switch Q1 are composed of - the coil converter control electric = 10/16 JO84460 (Ringing Choke Converter; RCC), wherein the controller 23 is blocked by R2 R7-R8, electric grid C9 And switch Q3 is composed, the adjustment 25 is made up of resistor R6, R9_R10, capacitor C8, diode di〇d switch Q4 (as shown in the eighth figure). In summary, the power conversion device with the power factor correction of the present invention has the following advantages: - single-simple control (4) and switching day and day, the basic structure of the line is early and low, and the power factor is high. Second, the reverse power supply conversion line _, because of its fixed frequency and input current and input voltage will produce a certain phase difference value (four) still, held above 0.90, for some power factor value (four) 咼 application is a good solution the way. Third, the frequency _ frequency modulation, _ various PWM lines are easy to achieve, so that there are a number of requirements, the power factor value (four) can be reached, ^98 easy ^ to reach the south power due to four, DC output is stable, good for low frequency adjustment, No need to use ultra-large capacity output mine ~, me (four)) Save space and save costs. The powder output valley adjusts the low frequency line frequency. 5. The peak current of the PFC inductor is low and easy. _Electromagnetic interference (EMI) prevention and control is relatively unique. The above description is only for the detailed description and drawings of the present invention. In any specific embodiment of any familiar soil, it can be easily thought of changes or repairs. The scope of this creation. & can / cover the following patents in this case [simple description of the map] The first picture shows the traditional DC power supply architecture with power factor bandits 11/16 M384460 not intended, the second picture is the first implementation of the creation For example, the power conversion device with the power factor correction; the third A to the third F are schematic diagrams of the operation waveform of the first embodiment of the creation, and the fourth diagram is the schematic diagram of the fixed frequency power factor correction waveform of the first embodiment of the creation The fifth figure is a schematic diagram of the frequency conversion type power factor correction waveform of the first embodiment of the present invention, the sixth figure is a schematic diagram of the first application circuit of the first embodiment; and the seventh figure is the second application circuit of the first embodiment. FIG. 8 is a schematic diagram of a third application circuit of the first embodiment; FIG. 9 is a power conversion device with a power factor correction according to the second embodiment of the present invention; A schematic diagram of a waveform; and an eleventh diagram is a schematic diagram of an application circuit of the second embodiment. [Main component symbol description] Convention: DC power supply 1 power factor corrector 10 EMI filter circuit 11 voltage converter 12 rectifier circuit 13 input mains AC DC voltage DC power stage 101, 121 12/16 M384460 control stage 102, 122 PFC controller 1020 power switch Q1, Q3 PWM controller 1220 feedback circuit 1222 This creation: power conversion device 2, 2' energy storage device 20, 20' output circuit 22, 22' controller 23 feedback Circuit 24 Adjustment Circuit 25 EMI Filter Circuit 26 Rectifier Circuit 27 Inductive Element Lp Single Conduction Element D1 Switch Q1 Capacitive Element C1 Input Voltage Vr Auxiliary Voltage Vb Output Voltage Vo First Current ILp Second Current ILf, IL Output Current Ιο II Pole body D2 output capacitor C2 13/16 M384460 AC voltage AC primary side inductance Lf secondary side inductance Ls inductor L transformer T1 14/16

Claims (1)

六、申請專利範圍: I—種具功因修正的電源 換成-輸出電壓,該裝置=:’係將-輸入電壓轉 -電感性元件,接收該輪入電壓. 二單向導通元件,串聯該電感性元件; 開關,串聯該電感性元件與該 -儲能元件,串聯該開關;、° 牛’ 一==_峨元件,該電 谷f生7C件具有一輔助電壓;及 1出電路,接於該儲能元件,輸出該輸出電 杜古:令該輸入電壓對該電感性元 件充電與該輔助電壓對該儲能元件充電,並 ^ ’截止的關g令該電感性元件與該儲能元 件對該輪出放電,以及令該電感性元件對 該電容性元件放電。 2.如申請專利範圍第i項所述之具功因修正的電 換裝置i更包括-控制器’該控制器減該開關, 5亥控制器依據一操作頻率控制該開關的切換。 3·如申請專·圍第2項所述之具功_正的電源轉 換裝置,更包括一回授電路,該回授電路耦接於該 輪出電路與該控制器。 、'^ 4.如申凊專利範圍第3項所述之具功因修正的電源轉 換裝置,更包括一整流電路與一 EMI滤波電路,今 整流電路耦接該EMI濾波電路與該電感性元件,= 整流電路從該EMI濾波電路接收一交流電壓,以及 15/16 M384460 輪出該輸入電壓。 5.如:請專利範圍第4項職之具功因修正的電源轉 換裝置,更包括m路,該調整電路㈣該^ 制器’該調整電路根據該輸人電壓的大小 ^ 作頻率。 。^保 ν·:5ζΠ τ Μ寻刊乾圍第1項所述之具功因修正的 換裝置,其中該單向導通元件為一二極體。 換vm::項所述之具功因修正的電源轉 、、置八中忒電感性元件為一電感器。 ==圍第,述之具功因修正的電源轉 ' /、中°亥電各性元件為一電容5|。 ==圍第1項所述之具功因修正的電源轉 ⑴^ ”中5亥儲能凡件為—電感器或-變盤器。 換1專圍第1項所述之具功因修正的電源轉 換A置’其中該輪出電路包括一 連接-輸出電容。 不體。玄—極體 Π.如申請專利範圍第2 換襞置,其中該控制 12.如申請專利範圍第2 換裝置,其中該控制 的PWM控制器。 項所述之具功因修正的電源轉 态為一 PWM控制器。 項所述之具功因修正的電源轉 為為一具準諧振模式(QR Mode) 13.如申請專利範圍第$ 換裝置,1中兮 、斤以之八功因修正的電源與 Λ固制器、該調整電路及該開關垣^ 一蕩線圈變換器控制]關、,且成 Converter ;RCC),制電路(心哗叫 Ch〇ke 16/16Sixth, the scope of application for patents: I - the power supply with the correction of the power factor is replaced by the output voltage, the device =: 'system will - input voltage to - inductive component, receive the wheel voltage. Two single conduction components, series The inductive component; a switch, the inductive component and the energy storage component are connected in series, the switch;; a cow 'n==_峨 component, the electric cell 7C has an auxiliary voltage; and a circuit And outputting the output power to the energy storage component, causing the input voltage to charge the inductive component and charging the energy storage component with the auxiliary voltage, and closing the inductive component and the The energy storage element discharges the wheel and causes the inductive element to discharge the capacitive element. 2. The electric switching device i with the power factor correction as described in claim i of the patent scope further includes a controller that reduces the switch, and the controller controls the switching of the switch according to an operating frequency. 3. The power conversion device as claimed in claim 2, further comprising a feedback circuit coupled to the wheel circuit and the controller. The power conversion device with the power factor correction described in claim 3, further comprising a rectifier circuit and an EMI filter circuit, wherein the rectifier circuit is coupled to the EMI filter circuit and the inductive component , = The rectifier circuit receives an AC voltage from the EMI filter circuit, and the 15/16 M384460 wheel outputs the input voltage. 5. For example, please refer to the power conversion device with the power factor correction in the fourth item of the patent scope, and further include the m path, and the adjustment circuit (4) the adjustment circuit is based on the magnitude of the input voltage. . ^保 ν·:5ζΠ τ Μ Μ 干 干 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第 第For the power supply that is modified by the vm:: item, the inductive component of the eight-in-one is an inductor. == 围,, the power conversion due to the correction of the power supply ' /, the medium temperature component is a capacitor 5 |. == The power supply (1)^ in the power factor correction mentioned in the first item is the 5th energy storage device - the inductor or the -changer. The power conversion A is set to 'the circuit of the turn-out includes a connection-output capacitor. The body is the same as the second embodiment of the patent application. , wherein the controlled PWM controller has a power conversion state as a PWM controller. The power supply according to the item is converted into a quasi-resonant mode (QR Mode). If the patent application scope is changed to the device, the power supply and the tamping device, the adjustment circuit, and the switch 控制^ a coil converter control are turned off, and the converter is turned into a converter. ;RCC), system circuit (heart 哗 〇 Ch〇ke 16/16
TW99203641U 2010-03-01 2010-03-01 Electrical power conversion device with a power factor correction feature TWM384460U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103516220A (en) * 2012-06-27 2014-01-15 聚积科技股份有限公司 Common-core power factor correction resonant converter
TWI424664B (en) * 2011-08-24 2014-01-21 Richtek Technology Corp Power supply, controller thereof and control method thereof
TWI482414B (en) * 2012-08-23 2015-04-21 Silergy Corp High efficiency bias voltage generation circuit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI424664B (en) * 2011-08-24 2014-01-21 Richtek Technology Corp Power supply, controller thereof and control method thereof
CN103516220A (en) * 2012-06-27 2014-01-15 聚积科技股份有限公司 Common-core power factor correction resonant converter
TWI485961B (en) * 2012-06-27 2015-05-21 Macroblock Inc A common-core pfc resonant converter
CN103516220B (en) * 2012-06-27 2015-08-19 聚积科技股份有限公司 Common-core power factor correction resonant converter
TWI482414B (en) * 2012-08-23 2015-04-21 Silergy Corp High efficiency bias voltage generation circuit

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