JP7510951B2 - 能動的切替式バスコンデンサ - Google Patents
能動的切替式バスコンデンサ Download PDFInfo
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- JP7510951B2 JP7510951B2 JP2021559037A JP2021559037A JP7510951B2 JP 7510951 B2 JP7510951 B2 JP 7510951B2 JP 2021559037 A JP2021559037 A JP 2021559037A JP 2021559037 A JP2021559037 A JP 2021559037A JP 7510951 B2 JP7510951 B2 JP 7510951B2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/12—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/12—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/145—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/155—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M7/1555—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with control circuit
- H02M7/1557—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with control circuit with automatic control of the output voltage or current
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is DC
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0012—Control circuits using digital or numerical techniques
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0096—Means for increasing hold-up time, i.e. the duration of time that a converter's output will remain within regulated limits following a loss of input power
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from AC or DC
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from DC input or output
- H02M1/143—Arrangements for reducing ripples from DC input or output using compensating arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/327—Means for protecting converters other than automatic disconnection against abnormal temperatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/05—Capacitor coupled rectifiers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/06—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/12—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/2176—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only comprising a passive stage to generate a rectified sinusoidal voltage and a controlled switching element in series between such stage and the output
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0016—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters
- H02M1/0022—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters the disturbance parameters being input voltage fluctuations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/322—Means for rapidly discharging a capacitor of the converter for protecting electrical components or for preventing electrical shock
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4283—Arrangements for improving power factor of AC input by adding a controlled rectifier in parallel to a first rectifier feeding a smoothing capacitor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Rectifiers (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Description
本発明は、例えば、以下を提供する。
(項目1)
電力供給システムであって、
AC電圧を整流し、バス電圧をDCバス上に生成するように構成される一次整流器と、
前記AC電圧を監視するように構成される電圧モニタと、
スイッチを介して前記DCバスに切替可能に結合されるコンデンサであって、前記スイッチとコンデンサの直列組み合わせは、前記一次整流器の出力を横断して結合される、コンデンサと、
前記DCバスからの電力で前記コンデンサを充電するように構成される充電器と、
前記電圧モニタが前記AC電圧の少なくとも1つの位相において降下を示すことに応答して、前記スイッチを閉鎖し、前記コンデンサが前記DCバスに放電することを可能にするように構成されるスイッチコントローラと
を備える、電力供給システム。
(項目2)
前記電圧モニタは、補助整流器を含み、前記電圧モニタは、前記補助整流器から出力される整流された電圧を監視することによって、前記AC電圧を監視するように構成される、項目1に記載の電力供給システム。
(項目3)
前記電圧モニタは、
前記補助整流器の整流された電圧を示す出力を提供するための差動増幅器と、
前記差動増幅器の前記出力と基準電圧を比較するための比較器であって、前記比較器は、切替制御信号を前記スイッチコントローラに提供し、前記降下に応答して前記スイッチを閉鎖するように前記スイッチコントローラをトリガするように構成される、比較器と
を含む、項目2に記載の電力供給システム。
(項目4)
前記充電器は、前記DCバスの支脈と前記コンデンサとの間に配列されるダイオードを含み、前記ダイオードは、前記スイッチと平行に配列される、項目1に記載の電力供給システム。
(項目5)
前記スイッチは、絶縁ゲートバイポーラトランジスタであり、前記ダイオードは、前記絶縁ゲートバイポーラトランジスタ内に統合される、項目4に記載の電力供給システム。
(項目6)
前記ダイオードは、前記スイッチと別個の構成要素である、項目4に記載の電力供給システム。
(項目7)
電力供給システム内で電力を提供するための方法であって、前記方法は、
整流器を用いてAC電圧を整流することによって、前記整流器の出力を横断してバス電圧をDCバスに印加することと、
前記AC電圧を監視することと、
前記整流器の出力を横断してコンデンサおよびスイッチの直列組み合わせを結合することと、
前記スイッチが開放されている間、前記コンデンサを前記バス電圧で充電することと、
前記監視されるAC電圧が、降下が生じたことを示すと、前記スイッチを閉鎖し、前記コンデンサを前記DCバスに放電させることと
を含む、方法。
(項目8)
前記監視することは、
補助整流器を用いて前記AC電圧を整流し、整流された電圧を生成することと、
前記整流された電圧を監視し、前記AC電圧が閾値を下回って降下するかどうかを判定することと
を含む、項目7に記載の方法。
(項目9)
前記監視することは、
前記補助整流器の前記整流された電圧を示す低電圧信号を生成することと、
前記低電圧信号と基準電圧を比較し、前記低電圧信号と前記基準電圧との間の差異が、AC電圧が降下したことを示すとき、切替制御信号を提供し、前記スイッチを閉鎖するようにトリガすることと
を含む、項目8に記載の方法。
(項目10)
前記コンデンサと平行に配列されるダイオードを用いて前記コンデンサを充電することを含む、項目7に記載の方法。
最初に、図1を参照すると、示されるものは、例示的実施形態による電力供給システムである。図1のシステムでは、AC電圧は、AC電圧を発生器104によって使用される整流された電圧に変換する一次整流器102によって受け取られる。AC電圧は、典型的には、例えば、280ボルトまたは480ボルトであり得る3相電圧であるが、別の数の位相および他の電圧が、利用されてもよい。当業者が理解するように、一次整流器102は、ACメインのAC電圧をDC電圧に整流するように機能する種々の異なるタイプの整流器によって実装されてもよい。発生器104は、概して、DC電圧を、別のDC電圧、パルス状DC電圧、または数ヘルツ~100MHz超で変動し得る周波数における種々の異なる波形のいずれかのうちの1つ以上のものに変換する種々の発生器のいずれかを描写する。多くの用途を有する共通周波数は、例えば、400kHz~100MHz超の周波数であるが、発生器104の周波数は、任意の有用な周波数であってもよい。
Claims (10)
- 電力供給システムであって、
AC電圧を整流することにより、バス電圧をDCバス上に生成するように構成されている一次整流器と、
前記AC電圧を監視するように構成されている電圧モニタと、
スイッチを介して前記DCバスに切り替え可能に結合されているコンデンサであって、前記スイッチおよび前記コンデンサの直列の組み合わせは、前記一次整流器の出力を横断して結合されている、コンデンサと、
前記DCバスからの電力で前記コンデンサを充電するように構成されている充電器と、
前記電圧モニタが前記AC電圧の少なくとも1つの位相において降下を示すことに応答して、前記スイッチを閉鎖することにより、前記コンデンサが前記DCバスに放電することを可能にするように構成されているスイッチコントローラと
を備える、電力供給システム。 - 前記電圧モニタは、補助整流器を含み、前記電圧モニタは、前記補助整流器から出力される整流された電圧を監視することによって、前記AC電圧を監視するように構成されている、請求項1に記載の電力供給システム。
- 前記電圧モニタは、
前記補助整流器の前記整流された電圧を示す出力を提供するための差動増幅器と、
前記差動増幅器の前記出力と基準電圧とを比較するための比較器であって、前記比較器は、切り替え制御信号を前記スイッチコントローラに提供することにより、前記降下に応答して前記スイッチを閉鎖するように前記スイッチコントローラをトリガするように構成されている、比較器と
を含む、請求項2に記載の電力供給システム。 - 前記充電器は、前記DCバスの支脈と前記コンデンサとの間に配列されているダイオードを含み、前記ダイオードは、前記スイッチと並行に配列されている、請求項1に記載の電力供給システム。
- 前記スイッチは、絶縁ゲートバイポーラトランジスタであり、前記ダイオードは、前記絶縁ゲートバイポーラトランジスタ内に統合されている、請求項4に記載の電力供給システム。
- 前記ダイオードは、前記スイッチとは別個の構成要素である、請求項4に記載の電力供給システム。
- 電力供給システム内で電力を提供するための方法であって、前記方法は、
整流器を用いてAC電圧を整流することによって、前記整流器の出力を横断してバス電圧をDCバスに印加することと、
前記AC電圧を監視することと、
前記整流器の出力を横断してコンデンサおよびスイッチの直列の組み合わせを結合することと、
前記スイッチが開放されている間、前記コンデンサを前記バス電圧で充電することと、
前記監視されるAC電圧が降下が生じたことを示すと、前記スイッチを閉鎖することにより、前記コンデンサを前記DCバスに放電させることと
を含む、方法。 - 前記監視することは、
補助整流器を用いて前記AC電圧を整流することにより、整流された電圧を生成することと、
前記整流された電圧を監視することにより、前記AC電圧が閾値を下回って降下するかどうかを判定することと
を含む、請求項7に記載の方法。 - 前記監視することは、
前記補助整流器の前記整流された電圧を示す低電圧信号を生成することと、
前記低電圧信号と基準電圧とを比較し、前記低電圧信号と前記基準電圧との間の差異がAC電圧が降下したことを示すとき、切り替え制御信号を提供することにより、前記スイッチを閉鎖するようにトリガすることと
を含む、請求項8に記載の方法。 - 前記方法は、前記スイッチと並列に配列されているダイオードを用いて前記コンデンサを充電することを含む、請求項7に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/376,405 US10797613B1 (en) | 2019-04-05 | 2019-04-05 | Power supply system with actively switched bus capacitor |
| US16/376,405 | 2019-04-05 | ||
| PCT/US2020/022858 WO2020205211A1 (en) | 2019-04-05 | 2020-03-14 | Actively switched bus capacitor |
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| CN113661642A (zh) | 2021-11-16 |
| KR20210141553A (ko) | 2021-11-23 |
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