TWM304064U - Parallel bridgeless single-stage power factor correction circuit - Google Patents

Parallel bridgeless single-stage power factor correction circuit Download PDF

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Publication number
TWM304064U
TWM304064U TW95211969U TW95211969U TWM304064U TW M304064 U TWM304064 U TW M304064U TW 95211969 U TW95211969 U TW 95211969U TW 95211969 U TW95211969 U TW 95211969U TW M304064 U TWM304064 U TW M304064U
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Taiwan
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rectifier
coupled
power factor
factor correction
inductor
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TW95211969U
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Chinese (zh)
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Ming-He Huang
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Hipro Electronics Taiwan Co Lt
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Priority to TW95211969U priority Critical patent/TWM304064U/en
Publication of TWM304064U publication Critical patent/TWM304064U/en

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M304064 » I 八、新型說明: 【新型所屬之技術領域】 本創作係錢於-種無橋並聯之單級功轴 種於火線輸入端及中性輸入端分別” 曰 半週分別提供其導通路徑,使電更於正半週及負 哭,蕤人、/史電L刀別/爪經一個電感器及兩個整流 波橋式整流器,以降低成本之^_^^ 【先前技術】 $因素校正電路通常用於高效率電源供應器中以改善功率因 =所:=圖1 ’鱗示傳統的功率因素校正電路之方塊示意圖;如 t 力率因素校正電路中,其輸人端通常需要串接-全波 橋式正“ 2GG,以對輸人之交流電源執行全波整流。 個之缺,:不論於正半週或負半週,電流皆需流經三 如此將導致較高的傳導損失,進而會提升電 慰、^之溫度;此外,制全波橋式整棘 改善本創倾r種無橋並聯之單級轉因素校=路以 【新型内容】 盆於之:目Ϊ係提供一種無橋並聯之單級功率因素校正電路’ 及中性輸人端分別串接—電感器,以便於 i週導通路徑,使電流分職經—個肢兩個整流、 為,猎以節省一全波橋式整流器。 故,ίϋ作之另一目的係提供一種無橋並聯之單級功率因素校正電 敕、、:::;正半週及負半週分別提供其導通_,使電流只需流經兩個 正机為,可降低傳導損失,進而降低電源供應器溫度。 為達上述之目的’本創作之無橋並聯之單級功率 其包括:-第-電感器,其-端祕至—火線輸人端;—第1電=, 5 M304064 感器;-第二整流哭^極整流器,其正_接至該第一電 其正_接至該第::整㈣=二電感11 ;—第三整流器, f ?:;;;;;; 5 流器之*極,另—翩縣· —ς至如—整流ϋ及第二整 故'土哭Ά鱼^ώ ,第五^流器,其正極端轉接至該第一 Γ 2 器之負極及該電容器之-端;-變壓器ii二 弟-初級線圈、一第二初級線圈及 具有 之一端雛至該第五整流器之負極,—初級線圈 f 、、才另鳊則耦接至该弟三整流器及 f四之負極及料二碗線圈之—端; 件,其第-_接至該第二初級線圈 ^二知兀 一第1;:=垃Γ接受該控制訊馳 Λ接地’貞_雛火線輸人端;以及-第 ’其正極接地,負極_接至該中性輸人端;俾輸入 电源可於全波整流_合至鄕—次級線圈後輸ώ。 " _ if作之”無橋並聯之單級功率因素校正電路,,、特徵及目的以附 圖及貫例詳細說明如后。 w 【實施方式】 >晴參照圖2,麟示本案—較佳實施例之無橋並聯之單級功 ❿素权正電路之方塊不意圖。如圖所*,本創作之無橋並聯之單級功 因素校正^€路,包括:-第-電感器1〇 ; 一第二電感器2〇,· 一 整流器30 ; -第二整流器40 ; -第三整流器、5〇 ; 一第四整流器6〇,· 電谷裔70,一第五整流器80 ; —變壓器9〇 ; 一開關彻,·一第丄 整流器110 ;以及一第七整流器12〇所組合而成。 '、 其中,该第一電感态10,其一端耦接至一火線(une,L)輸入端。 该第一電感态20,其一端|馬接至一中性(Neutra|,n )輸入端,且 該第二電感器20與該第一電感器1〇具有相同之電感量。 該第一整流器30,例如但不限於為一整流二極體,其正極耦接至 该第-電感1G ’其亦可提供半波整流之功效,惟此係、—般電源供應 6 M3 04064 * τ 器所習知者,故在此不擬贅述。 哼第1=0器:〇 ’例如但不限於為-整流二極體’其正極耦接至 器⑨:在::半波整流之功效,惟此係-般電源供應 30^ 源供應器所習知者,故在此不擬=、+波玉抓之纽准此係一般電 該第不限於為—整流二極體,其正_接至 源供應,料者之正^:^擬可^半波賊之姐,惟此係-般電 該,容器70之-端輕接至該第 〇及第 地’其可供儲存能量及釋放能量。 至驾’ ίί::80,例如但不限於為-整流二極體,其正極端耦接 及第二整流器40之負極及該電容器7〇之-端 i不擬贅述。波整叙姐,惟此係_般電賴應騎習知者,故在 圈91該=器90=°但不限於為一返驰變壓器,其具有一第一初級線 1 91 93 ? 三整流器50及第四^哭;^8*〇之負才^端’另一端貝_至該第 丨“k — 60之負極及該第二初級線圈92之一端。 T2圈數具有T1圈數,該第二初級線圈92則具有 ^ /、、、、良圈比N-T1/T2可依整體效率而調整。 限於巧為一三端元件’其可為任何電力開關’例如但不 金氧it乳半場效電晶體、n通道接面場效電晶體、P通道 盆第-p通道接面場效電晶體,以下稱m〇s開關1〇0, 訊ί,=接,該第二初級線圈92之另一端,第二端則_至-控制 中^其可接受該控制訊號之控制而開啟或關閉。i 以弟-端係該金氧半場效電晶體·之汲極(Drajn);該第二端係 7 M304064 该金氧半場效電晶體100之閘極(Gate);該第三端係該金氧半場效電 晶體100之源極(Source )。其中,該控制訊號係由一外接之脈寬調變 控制電路160(請參照圖3)所輸出。 該第六整流器110,例如但不限於為一整流二極體,其正極接地, 負極則耦接至該火線輸入端,其亦可提供半波整流之功效,惟此係一 般電源供應器所習知者,故在此不擬贅述。 ” 該第七整流器120,例如但不限於為一整流二極體,其正極接地, 負極則耦接至該火線輸入端,其亦可提供半波整流之功效,惟此係一 般電源供應器所習知者,故在此不擬贅述。 此外,本創作之無橋並聯之單級功率因素校正電路進一步具有一 第一黾谷态130及一弟二電谷态140,其中該第二電容器13〇並接於 該第六整流器110之正極及負極兩端,該第三電容器14〇則並接於該 第七整流器120之正極及負極兩端,可避免逆向電壓破壞該第六整流 器110或第七整流器120。 呆作時,當輸入交流電壓於正半週且該M〇s開關1〇〇處於關 閉^時,電流會流經該第-電感器、1〇、第一整流器2〇、電容器7〇 及第七整流器120而形成一迴路並對該電容器7〇充電;當輸入交流 電壓於負半週且該M0S開關100處於關閉狀態時,電流會流經該第 Φ -電感器、2〇、第三整流器、4〇、電容器7〇及第六整流器11〇而形成一 迴路並對该電容器70充電;當輸入交流電壓於正半週且該M〇s開關 1〇〇處於導通狀態時,電流會流經該第一電感器1〇、第三整流哭5〇、 第二初級線圈92、M0S開關100及第七整流器12〇而形成一迴路, 。玄包谷為70上之電能將被|禺合至該第一次級線圈後輸出;當輸入 交,壓於負半週且該M0S開關勘處於導通狀態時,電流會流經 邊,一電感裔2。、第四整流器6。、第二初級線圈%、M0S開關100 及第六整流器110而形成一迴路,該電容器7〇上之電被麵人 該第一次級線圈93後輸出。由上述可知,無論於正半週或負半週;本 創作之電路可分別提供其導通職,使電流分職經—個電感器及兩 8 M3 04064 1 » =整流器’除可節省-錢橋式整流器外,亦可降低 電路確較習知功率因素校正電it橋並聯之早級功率因素紅 ® 3 ’其_本_之無橋並聯之單級 回授控制電路及一脈寬調變控制電路之示意圖。如= =,本創作之無橋並聯之單級解因素校正電路進—步包括 = 制電路150及一脈寬調變控制電路16〇。 杈才工 圖夫其授控制電路150之一輸入端搞接至一參考電壓(v价M304064 » I VIII. New description: [New technical field] This creation is a kind of single-stage power shaft with no bridge and parallel connection. It is planted at the input of the live line and the neutral input respectively. , so that the electricity is more than half a week and crying, 蕤人, / Shi electric L knife / claw through an inductor and two rectifier bridge rectifier to reduce the cost of ^ _ ^ ^ [previous technology] $ factor The correction circuit is usually used in a high-efficiency power supply to improve the power factor == Figure 1 'Figure shows the block diagram of the conventional power factor correction circuit; in the t-force factor correction circuit, the input terminal usually needs a string Connected-full-wave bridge type "2GG, to perform full-wave rectification on the input AC power. The lack of: in either the positive half cycle or the negative half cycle, the current needs to flow through three, which will lead to higher conduction loss, which will increase the temperature of the comfort and the temperature; in addition, the full wave bridge type improves the whole spine. This is a single-stage conversion factor-free circuit with no bridges and parallels. [New content] Basin: The single-stage power factor correction circuit with no bridge and parallel connection is provided, and the neutral input terminals are connected in series. - Inductor to facilitate the conduction path of the i-week, so that the current is divided into two, the two limbs are rectified, and the hunting is to save a full-wave bridge rectifier. Therefore, another purpose of the ϋ ϋ 提供 提供 提供 提供 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一The machine reduces the conduction loss and thus the power supply temperature. For the above purposes, the single-stage power of the bridgeless parallel connection of the present invention includes: - the first inductor, the end-to-end to the live line input; the first electric =, 5 M304064 sensor; - the second a rectified crying rectifier, which is connected to the first electric current and is connected to the first:: (4) = two inductances 11; - third rectifier, f ?:;;;;;; Extremely, another—翩县·—ς至如—rectifier and the second whole 'soil squid ^ώ, the fifth current device, the positive end of which is switched to the negative pole of the first 及 2 and the capacitor The second end of the transformer ii, the primary coil, the second primary coil, and the negative pole of the fifth rectifier, the primary coil f, and the other is coupled to the third rectifier and the f The fourth anode and the second bowl of the coil are the end; the first-to-the second primary coil is connected to the second primary coil, and the first one is connected to the second primary coil. The human terminal; and - the 'the positive pole is grounded, the negative pole _ is connected to the neutral input terminal; the 俾 input power source can be converted after full-wave rectification_to the 鄕-secondary coil. " _ if" "bridge-free parallel single-stage power factor correction circuit,, features and purposes are detailed in the drawings and examples. w [Implementation] > Qing with reference to Figure 2, Lin shows the case - The block of the single-stage power-quantity positive circuit of the bridgeless parallel connection of the preferred embodiment is not intended. As shown in the figure, the single-stage power factor correction of the bridgeless parallel connection of the present invention includes: - the first inductor 1〇; a second inductor 2〇, a rectifier 30; a second rectifier 40; a third rectifier, 5〇; a fourth rectifier 6〇, an electric valley 70, a fifth rectifier 80; a transformer 9〇; a switch, a first rectifier 110; and a seventh rectifier 12〇 are combined. ', wherein the first inductive state 10, one end of which is coupled to a fire line (une, L) The first inductive state 20, one end of which is connected to a neutral (Neutra|, n) input terminal, and the second inductor 20 has the same inductance as the first inductor 1〇. The first rectifier 30 is, for example but not limited to, a rectifying diode, and the anode thereof is coupled to the first inductor 1G ′, which can also provide a half wave. The effect of rectification, but this system, the general power supply 6 M3 04064 * τ device known, so I will not repeat here. 哼 1 = 0 device: 〇 'for example but not limited to - rectifier diode ' The positive pole is coupled to the device 9: at:: half-wave rectification effect, but this is the general power supply 30^ source supplier is known, so it is not intended to be =, + wave jade grasp this line Generally, the electricity is not limited to being a rectifier diode, which is connected to the source supply. The positive one of the material is ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Lightly connected to the third and third places to store energy and release energy. To drive ' ίί:: 80, such as but not limited to a rectifying diode, the positive terminal is coupled to the negative of the second rectifier 40 And the capacitor 7〇-end i is not to be described. The wave is neat, but this is the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ It has a first primary line 1 91 93 ? a three rectifier 50 and a fourth ^ cry; ^ 8 * 〇 the negative end ^ end 'the other end shell _ to the second k "k - 60 of the negative pole and the second primary coil One end of 92. The number of T2 turns has a number of turns of T1, and the second primary coil 92 has a ^ /, , , and good turn ratio N-T1/T2 which can be adjusted according to the overall efficiency. Limited to a three-terminal component 'which can be any power switch' such as but not a gold-oxygen emulsion half-field effect transistor, an n-channel junction field effect transistor, a P-channel basin-p-channel junction field effect transistor, Hereinafter, the m〇s switch 1〇0, ίί,=, the other end of the second primary coil 92, and the second end _to-control can be turned on or off by the control of the control signal. i is the gate of the gold-oxygen half-field effect transistor (Drajn); the second end is 7 M304064, the gate of the gold-oxygen half-effect transistor 100; the third end is the gold The source of the oxygen half field effect transistor 100 (Source). The control signal is output by an external pulse width modulation control circuit 160 (refer to FIG. 3). The sixth rectifier 110 is, for example but not limited to, a rectifying diode, the anode of which is grounded, and the cathode is coupled to the input of the live line, which can also provide the function of half-wave rectification, which is a common power supply device. Know the person, so I will not go into details here. The seventh rectifier 120 is, for example but not limited to, a rectifying diode, the positive pole is grounded, and the negative pole is coupled to the live input terminal, which can also provide half-wave rectification effect, but the general power supply device The conventional single-stage power factor correction circuit of the present invention has a first valley state 130 and a second grid state 140, wherein the second capacitor 13 is further described herein. 〇 is connected to the positive and negative ends of the sixth rectifier 110, and the third capacitor 14 is connected to the positive and negative ends of the seventh rectifier 120 to prevent the reverse voltage from damaging the sixth rectifier 110 or the first Seven rectifiers 120. When inactive, when the input AC voltage is in the positive half cycle and the M〇s switch 1〇〇 is turned off, current flows through the first inductor, the first inductor, the first rectifier 2〇, and the capacitor. 7〇 and the seventh rectifier 120 form a loop and charge the capacitor 7〇; when the input AC voltage is in the negative half cycle and the MOS switch 100 is in the off state, the current flows through the Φ-inductor, 2〇 , third rectifier, 4 〇, electricity And a sixth rectifier 11〇 forming a loop and charging the capacitor 70; when the input AC voltage is in the positive half cycle and the M〇s switch 1〇〇 is in an on state, a current flows through the first inductor The device 1〇, the third rectification cry 5〇, the second primary coil 92, the MOS switch 100 and the seventh rectifier 12〇 form a loop, and the electric energy on the 70 is converted to the first secondary After the coil is output; when the input is crossed, pressed in the negative half cycle and the MOS switch is in the on state, the current will flow through the side, an inductor 2, the fourth rectifier 6. The second primary coil %, the MOS switch 100 And the sixth rectifier 110 forms a loop, and the electric power of the capacitor 7 is outputted by the first secondary coil 93. It can be seen from the above that whether in the positive half cycle or the negative half cycle; the circuit of the present invention can be separately Provide its turn-on function, so that the current is divided into two inductors and two 8 M3 04064 1 » = rectifier 'in addition to save - money bridge rectifier, can also reduce the circuit is better than the conventional power factor correction electric it bridge parallel Early power factor red® 3 'its _ this _ of the single stage without bridge parallel A schematic diagram of a feedback control circuit and a pulse width modulation control circuit. For example, ==, the single-stage solution correction circuit of the bridgeless parallel circuit of the present invention includes a circuit 150 and a pulse width modulation control circuit. The input of one of the control circuits 150 is connected to a reference voltage (v price)

人端則祕至該第—次級線圈93之輸出㈣,可根 ,出糕與該參考輕之比較值而輸出—回授控制訊號。^根 控制電路150例如但不限於為—運算放Α||(〇ρ A _出電壓與該參考電壓㈤進行比較 ^制卢 至該脈寬調變控制電路160。 别^口W工制减 撼^脈ίΓ變控魏路16G,其減至該回授控制電路伽,可根 號而輸出該控制訊號以控制該M〇s開關100之導通 ,關閉’使細-次級顧93之輸出賴能維持於The human terminal is secreted to the output of the first-secondary coil 93 (4), and can be outputted by the comparison value of the cake and the reference light-receiving control signal. The root control circuit 150 is, for example, but not limited to, an operation Α||(〇ρ A _ output voltage is compared with the reference voltage (f) to the pulse width modulation control circuit 160.撼^脉ίΓ variable control Weilu 16G, which is reduced to the feedback control circuit gamma, can output the control signal to control the conduction of the M〇s switch 100, and close the output of the fine-sub-gu 93 Lai can maintain

如但不限於為±5%。 、又礼固T 1夕J =論於正辆或貞顿_,本_之無橋姻之單級功 > =^正電路皆只需流經—電感器及兩個整流器 式,亦具有較低的傳導損失,進而可降低電源=器 irtit創作之無橋並聯之單級功率因素校正電路較習知技 術之早、、及功率因素校正電路確具進步性。 一垂本創作之無橋並聯之單級功率因素校正電路亦進-步具有 80,其係串接於該火線輸入端(L)及該第一整流器10之間, =儲存電能且可與該電容器40同時供電,以使輸入電流之變化較為 姑本=揭示者’乃較佳實_,軌局部之變更祕_源於本案之 仏―而為扣綱技藝之人所易於推知者,倶不脫本案之專^權 9 M3 04064 範疇 立♦陳,本案無論就目的、手段與功效,在在顯示其迥異於習 銀& 1金徵’且其首先創作合於實用,亦在在符合創作之專利要件, 芘示Γ ’並析早日賜予專利,俾嘉惠社會,實感德便。 圖1為一示意圖’其繪示傳統的功率因素校正電路之方塊示意圖。 率因電:::塊ίίί本案一較佳貫施例之無橋並聯之單級功For example, but not limited to, ± 5%. And the ceremony solid T 1 eve J = on the Zheng or the 贞 _, this _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The lower conduction loss, which in turn reduces the single-stage power factor correction circuit of the bridgeless parallel created by the power supply irtit, is better than the prior art, and the power factor correction circuit is progressive. The single-stage power factor correction circuit of the bridgeless parallel circuit of the present invention also has a step 80, which is connected in series between the live input terminal (L) and the first rectifier 10, and stores electrical energy and can Capacitor 40 is powered at the same time, so that the change of the input current is more accurate than the revealer's is better, the part of the track is changed from the 本 本 而 仏 仏 仏 仏 仏 仏 仏 仏 仏 仏 仏 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而 而The exclusive right of the case 9 M3 04064 Category ♦ Chen, this case, regardless of the purpose, means and efficacy, is showing that it is different from the Xiyin & 1 Jin Zheng' and its first creation is practical, but also in the creation The patent requirements, 芘 Γ 'and analysis of the early grant of patents, 俾 惠 社会 社会 社会 , , , , , , , , , , , , , , , , , , , , , , 1 is a schematic diagram showing a conventional power factor correction circuit. Rate due to electricity::: block ίίί This is a preferred embodiment of the single-stage work without bridge parallel

^圖3為一示意圖,其繪示本創作之無橋並聯之單級功率因素校正 電路進一步包括一回授控制電路及一脈寬調變控闰又 【圖式元件標號說明】 RL。FIG. 3 is a schematic diagram showing the single-stage power factor correction circuit of the bridgeless parallel circuit of the present invention further including a feedback control circuit and a pulse width modulation control and a description of the component number label RL.

第一電感器10 第一整流器30 第三整流器50 電容器70 變壓器90 第二初級線圈92 開關100 第七整流器120 第三電容器140 脈寬調變控制電路160 第二電感器20 第二整流器40 第四整流器60 第五整流器80 第一初級線圈91 第一次級線圈93 第六整流器110 第二電容器130 回授控制電路150 全波橋式整流器200First inductor 10 first rectifier 30 third rectifier 50 capacitor 70 transformer 90 second primary coil 92 switch 100 seventh rectifier 120 third capacitor 140 pulse width modulation control circuit 160 second inductor 20 second rectifier 40 fourth Rectifier 60 Fifth rectifier 80 First primary coil 91 First secondary coil 93 Sixth rectifier 110 Second capacitor 130 Feedback control circuit 150 Full wave bridge rectifier 200

Claims (1)

M304064 九、申請專利範圍: 1_一種無橋並聯之單級功率因素校正電路,其具有: 一第一電感器,其一端耦接至一火線輸入端; 一第二電感器,其一端耦接至一中性輸入端; 一^一整流器,其正極耦接至該第一電感器; 一第二整流器,其正極耦接至該第二電感器; 一,三整流器,其正極耦接至該第一整流器之正極; 一第四整流器,其正極耦接至該第二整流器之正極; 一電容器,其一端耦接至該第一整流器及第二整流器 一端則接地; _ 一第五整流器,其正極端耦接至該第一整流器及第二整流哭之負 極及該電容器之一端; 、 :雙壓态,其具有一第一初級線圈、一第二初級線圈及一第一次 級線圈,该第一初級線圈之一端耦接至該第五整流器之負極,另一端 則麵接至該第三整流器及第四整流器之負極及該第二初級線圈之一 端; 一,關,係為一三端元件,其第一端耦接至該第二初級線圈之另 %,第一^則搞接至一控制訊號,第三端則接地,其可接受該控制 •訊號之控制而開啟或關閉; 一第六整流器,其正極接地,負極則耦接至該火線輸入端;以及 一第七整流器,其正極接地,負極則耦接至該中性輸入端; 俾輸入之交流電源可於全波整流後耦合至該第一次級線圈後輸 出。 2·如申明專利範圍弟彳項所述之無橋並聯之單級功率因素校正電 路,其中該第一電感器及該第二電感器具有相同之電感量。 3·如申睛專利範圍第1項所述之無橋並聯之單級功率因素校正電 路,其中該第一整流器、第二整流器、第三整流器、第四整流器、第 五整流器、第六整流器及第七整流器皆為一整流二極體。 M3 04064 4.如申明專她目第彳撕狀無橋 路,其中該第-初級線圈具有T1線圈,該第===奴正電 其線圈比N=T1/T2可依整體效率而調整。、' 為1有丁2線圈, 路,圍Ϊ1項所述之無橋並聯之單級功率因素校正電 效電 接面場效電晶體者。 千❸文包曰曰體或P通道 6·如申請專機圍第5項所述之無橋並聯之單級 ^其中該第-端係該金氧半場效電晶體 係=電 円,端係該顺 路,其進-i具有乾弟1項所述之無橋並聯之單級功率因素校正電 圈參考電壓’另-輪入端則 之比較值而輸出-根據該輸出電壓與該參考電壓 -脈見調變控㈣路,其雛 控制該•二; 路,=====㈣細素校正電 路,第2所述之無橋並聯之單級功率因素校正電 並接於該第六第三電容器’其中該第二電容器 七整流器之正搞:L 負兩端,該第三電容器則並接於該第 第七整i器/、亟兩端’可避免逆向賴破壞該該第六整流器或 12M304064 IX. Patent application scope: 1_ A single-stage power factor correction circuit without bridge parallel, which has: a first inductor having one end coupled to a live input; and a second inductor coupled at one end a positive input terminal; a positive rectifier coupled to the first inductor; a second rectifier having a positive pole coupled to the second inductor; and a third rectifier having an anode coupled thereto a positive pole of the first rectifier; a fourth rectifier having an anode coupled to the anode of the second rectifier; a capacitor having one end coupled to the first rectifier and the second rectifier at one end to be grounded; _ a fifth rectifier Positively coupled to the first rectifier and the second rectifying crying anode and one end of the capacitor; a dual-pressure state having a first primary coil, a second primary coil, and a first secondary coil, One end of the first primary coil is coupled to the negative pole of the fifth rectifier, and the other end is connected to the negative pole of the third rectifier and the fourth rectifier and one end of the second primary coil; The third end component has a first end coupled to the other second of the second primary coil, the first end is connected to a control signal, and the third end is grounded, and the control and signal control can be turned on or off. a sixth rectifier having a positive pole grounded, a negative pole coupled to the live input; and a seventh rectifier having a positive pole grounded and a negative pole coupled to the neutral input; the 俾 input AC power source is at full wave After rectification, it is coupled to the first secondary coil and output. 2. A single-stage power factor correction circuit without bridges in parallel as claimed in the patent specification, wherein the first inductor and the second inductor have the same inductance. 3. The single-stage power factor correction circuit without bridges in parallel according to claim 1, wherein the first rectifier, the second rectifier, the third rectifier, the fourth rectifier, the fifth rectifier, and the sixth rectifier The seventh rectifier is a rectifying diode. M3 04064 4. As stated in the specification, the first-to-primary coil has a T1 coil, and the first === slave positive power. The coil ratio N=T1/T2 can be adjusted according to the overall efficiency. , 'There are 1 single-stage power factor correction electric-effect surface field-effect transistor with no bridge and parallel connection as described in 1 item. ❸ ❸ ❸ 或 或 或 或 或 · · · · · · · · · · · 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如 如By way of way, the input-i has a single-stage power factor correction coil reference voltage of the bridgeless parallel term described in the first item, and the output value of the other-wheel-in terminal is output-according to the output voltage and the reference voltage-pulse See the modulation and control (four) road, the young control of the two; road, ===== (four) fineness correction circuit, the second-stage power factor correction of the bridgeless parallel connection described in the second is connected to the sixth and third Capacitor 'where the second capacitor and the seventh rectifier are engaged: L is negative at both ends, and the third capacitor is connected to the seventh and second ends of the 整 亟, 可 可 可 可 可 可 可 可 可 可 可 可12
TW95211969U 2006-07-07 2006-07-07 Parallel bridgeless single-stage power factor correction circuit TWM304064U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8213190B2 (en) 2008-12-31 2012-07-03 Macroblock, Inc. Single-stage isolated high power factor AC/DC converter with leakage inductor energy recovery function
TWI387187B (en) * 2009-12-03 2013-02-21 Logah Technology Corp Interleaved no - bridge power factor modifier and its control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8213190B2 (en) 2008-12-31 2012-07-03 Macroblock, Inc. Single-stage isolated high power factor AC/DC converter with leakage inductor energy recovery function
TWI387187B (en) * 2009-12-03 2013-02-21 Logah Technology Corp Interleaved no - bridge power factor modifier and its control method

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