WO2021138912A1 - Convertisseur courant continu-courant continu - Google Patents

Convertisseur courant continu-courant continu Download PDF

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Publication number
WO2021138912A1
WO2021138912A1 PCT/CN2020/071507 CN2020071507W WO2021138912A1 WO 2021138912 A1 WO2021138912 A1 WO 2021138912A1 CN 2020071507 W CN2020071507 W CN 2020071507W WO 2021138912 A1 WO2021138912 A1 WO 2021138912A1
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fully
power semiconductor
controlled power
drive signal
controlled
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PCT/CN2020/071507
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English (en)
Chinese (zh)
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廖华
巴鲁施卡·伦纳特
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西门子股份公司
西门子（中国）有限公司
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Priority to PCT/CN2020/071507 priority Critical patent/WO2021138912A1/fr
Publication of WO2021138912A1 publication Critical patent/WO2021138912A1/fr

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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
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/483—Converters with outputs that each can have more than two voltages levels

Definitions

  • the present disclosure generally relates to the field of circuit technology, and more specifically, to a DC-DC converter.
  • DC-DC converters are widely used in different fields, such as energy storage, DC electric drive, electric vehicle charging, etc.
  • two-way operation is required.
  • the DC-DC converter needs to store energy in the battery.
  • the battery will discharge and feed energy back to the DC bus.
  • the most widely used topology is a two-level buck/boost cascaded bidirectional converter.
  • Figure 1 is a basic single-phase bidirectional buck/boost converter.
  • the converter can achieve bidirectional energy flow, but the voltage on the left must always be higher than the voltage on the right.
  • Figure 2 shows the cascaded buck/boost topology realized by connecting the low-voltage sides together. If you connect the high-voltage sides together, you can get another topology as shown in Figure 3.
  • the reference signs shown in FIGS. 1 to 3 are commonly used signs in circuit topology diagrams, and similar circuit elements in different drawings have similar numbers, which will not be described in detail here.
  • the power semiconductor switch Due to the limitation of the material withstand voltage, the power semiconductor switch has a limited rated voltage.
  • one method that can be used is to use series-connected power switches, so that multiple power switches share the high voltage together. In this case, it is necessary to adopt dynamic voltage equalization to ensure circuit reliability, which will bring another problem, because it is very difficult to ensure that multiple power switches connected in series are turned on or off at the same time.
  • the present disclosure proposes a hybrid cascaded DC-DC converter with a multi-level flying capacitor half bridge and a two-level half bridge.
  • a DC-DC converter includes: a multi-level flying capacitor half bridge; a two-level half bridge; and an inductor, wherein the inductor is coupled to the Between the midpoint of the capacitive half-bridge and the midpoint of the two-level half-bridge.
  • the multi-level flying capacitor half bridge is a three-level flying capacitor half bridge.
  • the three-level flying capacitor half-bridge includes: a first filter capacitor, a first power switch, a second power switch, a third power switch, and a first power switch.
  • a flying capacitor the first positive DC bus and the negative DC bus.
  • the first power switch includes a first fully-controlled power semiconductor and a first power diode
  • the second power switch includes a second fully-controlled power semiconductor and a second power diode
  • the third power switch includes a The third fully-controlled power semiconductor and a third power diode
  • the fourth power switch includes a fourth fully-controlled power semiconductor and a fourth power diode.
  • the fully-controlled power semiconductor of each power switch is opposite to the corresponding power diode. Connected in parallel, specifically, the drain of each fully-controlled power semiconductor is connected to the cathode of the corresponding power diode, and the source of the fully-controlled power semiconductor is connected to the anode of the corresponding power diode.
  • the first filter capacitor is connected between the first positive DC bus and the negative DC bus
  • the drain of the first fully-controlled power semiconductor is connected to the first positive DC bus
  • the first fully-controlled The source of the second fully controlled power semiconductor is connected to the drain of the second fully controlled power semiconductor
  • the source of the second fully controlled power semiconductor is connected to the drain of the third fully controlled power semiconductor
  • the The source of the third fully-controlled power semiconductor is connected to the drain of the fourth fully-controlled power semiconductor
  • the source of the fourth fully-controlled power semiconductor is connected to a negative DC bus
  • one end of the flying capacitor is connected To the intersection of the source of the first fully-controlled power semiconductor and the drain of the second fully-controlled power semiconductor, the other end of the flying capacitor is connected to the source of the third fully-controlled power semiconductor The intersection of the electrode and the drain of the fourth fully-controlled power semiconductor.
  • the two-level half-bridge includes: a second filter capacitor, a fifth power switch and a sixth power switch, a second positive DC bus and a negative DC bus.
  • the fifth power switch includes a fifth fully-controlled power semiconductor and a fifth power diode
  • the sixth power switch includes a sixth fully-controlled power semiconductor and a sixth power diode.
  • the drains of the controlled power semiconductors are respectively connected with the cathodes of the corresponding power diodes, and the sources of the fully controlled power semiconductors are respectively connected with the anodes of the corresponding power diodes.
  • the second filter capacitor is connected between the second positive DC bus and the negative DC bus
  • the drain of the fifth fully controlled power semiconductor is connected to the second positive DC bus
  • the fifth fully controlled The source of the power semiconductor is connected to the drain of the sixth fully controlled power semiconductor
  • the source of the sixth fully controlled power semiconductor is connected to a negative DC bus.
  • the drive signal of the first fully-controlled power semiconductor is complementary to the drive signal of the fourth fully-controlled power semiconductor
  • the drive signal of the second fully-controlled power semiconductor is complementary to the drive signal of the third fully-controlled power semiconductor.
  • the drive signal of the power semiconductor is complementary
  • the drive signal of the fifth full control power semiconductor is complementary to the drive signal of the sixth full control power semiconductor
  • the drive signal of the first full control power semiconductor is complementary to that of the second full control power semiconductor.
  • the driving signal has a phase shift of 180 degrees.
  • the energy flow is from the three-level flying capacitor half-bridge side to the two-level half-bridge side
  • the three-level flying capacitor half-bridge Used as a step-down converter
  • the two-level half-bridge is used as a step-up converter
  • the input voltage and output voltage of the DC-DC converter have the following relationship:
  • Vout represents the output voltage
  • Vin represents the input voltage
  • M1 represents the duty ratio of the drive signal of the first fully-controlled power semiconductor
  • M6 represents the duty ratio of the drive signal of the sixth fully-controlled power semiconductor.
  • the fifth fully-controlled power semiconductor when the input voltage is greater than the output voltage, the fifth fully-controlled power semiconductor is kept on, and the sixth fully-controlled power semiconductor is kept off, and the The duty ratio of the driving signal of the first fully-controlled power semiconductor is set to have a first preset value as required, and the driving signal of the second fully-controlled power semiconductor is the same as that of the first fully-controlled power semiconductor.
  • the signal has a phase shift of 180 degrees.
  • the drive signal of the third fully-controlled power semiconductor is complementary to the drive signal of the second fully-controlled power semiconductor.
  • the drive signal of the fourth fully-controlled power semiconductor is complementary to the drive signal of the fourth fully-controlled power semiconductor.
  • the drive signal of a fully-controlled power semiconductor is complementary, the duty cycle of the drive signal of the fifth fully-controlled power semiconductor is equal to 1, and the duty cycle of the drive signal of the sixth fully-controlled power semiconductor is equal to 0.
  • the input voltage and the output voltage have the relationship in the following formula:
  • Vout represents the output voltage
  • Vin represents the input voltage
  • M1 represents the duty ratio of the driving signal of the first full-control power semiconductor.
  • the duty cycle of the drive signal of the sixth fully-controlled power semiconductor is set to have a sixth preset value as required, and the duty cycle of the drive signal of the first fully-controlled power semiconductor is equal to 1.
  • the duty cycle of the driving signal of the second fully-controlled power semiconductor is equal to 1
  • the duty cycle of the driving signal of the third fully-controlled power semiconductor is equal to 0
  • the driving of the fourth fully-controlled power semiconductor is equal to 0, and the driving signal of the fifth fully-controlled power semiconductor is complementary to the driving signal of the sixth fully-controlled power semiconductor.
  • the input voltage and the output voltage have the relationship in the following formula:
  • Vout represents the output voltage
  • Vin represents the input voltage
  • M6 represents the duty ratio of the driving signal of the sixth fully-controlled power semiconductor.
  • the two-level half-bridge in a case where the energy flow is from the two-level half-bridge side to the three-level flying capacitor half-bridge side, the two-level half-bridge is used as a drop Voltage converter, the three-level flying capacitor half bridge is used as a boost converter.
  • the fifth fully-controlled power semiconductor when the output voltage is greater than the input voltage, the fifth fully-controlled power semiconductor is kept on, and the sixth fully-controlled power semiconductor is kept off, and the The duty cycle of the driving signal of the third fully-controlled power semiconductor is set to have a third preset value as required, and the driving signal of the fourth fully-controlled power semiconductor is the same as that of the third fully-controlled power semiconductor.
  • the signal has a phase shift of 180 degrees, the driving signal of the first fully-controlled power semiconductor is complementary to the driving signal of the fourth fully-controlled power semiconductor, and the driving signal of the second fully-controlled power semiconductor is complementary to the driving signal of the first fully-controlled power semiconductor.
  • the drive signals of the three fully-controlled power semiconductors are complementary, the duty cycle of the drive signal of the fifth fully-controlled power semiconductor is equal to 1, and the duty cycle of the drive signal of the sixth fully-controlled power semiconductor is equal to 0.
  • the input voltage and the output voltage have the relationship in the following formula:
  • Vout represents the output voltage
  • Vin represents the input voltage
  • M3 represents the duty ratio of the driving signal of the third fully-controlled power semiconductor.
  • the duty cycle of the drive signal of the fifth fully-controlled power semiconductor is set to have a fifth preset value as required, and the duty cycle of the drive signal of the first fully-controlled power semiconductor is equal to 1.
  • the duty cycle of the driving signal of the second fully-controlled power semiconductor is equal to 1
  • the duty cycle of the driving signal of the third fully-controlled power semiconductor is equal to 0
  • the driving of the fourth fully-controlled power semiconductor is equal to 0, and the driving signal of the sixth fully-controlled power semiconductor is complementary to the driving signal of the fifth fully-controlled power semiconductor.
  • the input voltage and the output voltage have the relationship in the following formula:
  • Vout represents the output voltage
  • Vin represents the input voltage
  • M5 represents the duty ratio of the driving signal of the fifth fully-controlled power semiconductor.
  • a multi-level flying capacitor half-bridge and a two-level half-bridge hybrid cascade topology circuit can be used when one side has high operating voltage requirements.
  • each power switch only needs to bear part of the DC bus voltage, so that power switches with low rated voltages can be used for high operating voltage applications.
  • a multi-level half-bridge uses a low-rated voltage power switch, which is compared with a high-rated voltage power switch.
  • the switch has better loss characteristics, making the overall power loss of the circuit lower.
  • Figure 1 is a circuit topology diagram of a basic bidirectional DC-DC converter
  • Figure 2 is another circuit topology diagram of the cascaded bidirectional buck-boost DC-DC converter
  • Figure 3 is another circuit topology diagram of the cascaded bidirectional buck-boost DC-DC converter
  • Fig. 4 is an exemplary circuit topology diagram of a bidirectional buck-boost DC-DC converter according to an embodiment of the present disclosure.
  • Fig. 5 is an exemplary circuit topology diagram of a bidirectional buck-boost DC-DC converter according to another embodiment of the present disclosure.
  • DC-DC converter 402 Three-level flying capacitor half bridge
  • Two-level half bridge 403 First positive DC bus
  • Second positive DC bus 407 Negative DC bus
  • S1 The first fully-controlled power semiconductor
  • S2 The second fully-controlled power semiconductor
  • S3 The third fully controlled power semiconductor
  • S4 The fourth fully controlled power semiconductor
  • D1 The first power diode
  • D2 The second power diode
  • D3 Third power diode
  • D4 Fourth power diode
  • D5 Fifth power diode
  • D6 Sixth power diode
  • the term “including” and its variations mean open terms, meaning “including but not limited to”.
  • the term “based on” means “based at least in part on.”
  • the terms “one embodiment” and “an embodiment” mean “at least one embodiment.”
  • the term “another embodiment” means “at least one other embodiment.”
  • the terms “first”, “second”, etc. may refer to different or the same objects. Other definitions can be included below, whether explicit or implicit. Unless clearly indicated in the context, the definition of a term is consistent throughout the specification.
  • the present disclosure proposes a hybrid cascaded DC-DC converter with a multi-level flying capacitor half bridge and a two-level half bridge.
  • the circuit structure of a hybrid cascaded DC-DC converter with a multi-level flying capacitor half bridge and a two-level half bridge according to an embodiment of the present disclosure will be described below with reference to the accompanying drawings.
  • Fig. 4 is an exemplary topology diagram showing a bidirectional buck-boost DC-DC converter according to an embodiment of the present disclosure.
  • Fig. 4 is an exemplary topology diagram of a DC-DC converter in which a three-level flying capacitor half-bridge and a two-level half-bridge are mixed and cascaded.
  • the DC-DC converter 40 includes a three-level flying capacitor half bridge 402, a two-level half bridge 404, and an inductor L1.
  • the inductor L1 is coupled between the midpoint of the three-level flying capacitor half-bridge 402 and the midpoint of the two-level half-bridge 404.
  • the multi-level flying capacitor half bridge can also be a five-level flying capacitor half bridge, a seven-level flying capacitor half bridge, etc.
  • a three-level flying capacitor half-bridge is used as a specific example for description in this specification.
  • the circuit shown in Figure 4 can be used in applications where only one side has high voltage requirements.
  • the three-level flying capacitor half-bridge side can be connected to the high-voltage DC bus, and the two-level half-bridge side can be connected to the low-voltage battery.
  • each power switch only needs to bear half of the DC bus voltage, so a power switch with a low rated voltage can be used.
  • the three-level flying capacitor half-bridge 402 in FIG. 4 includes: a first filter capacitor C1, a first power switch, a second power switch, a third power switch, a fourth power switch, and a flying capacitor C2, the first positive DC bus 403 and the negative DC bus 407.
  • the first power switch includes a first fully-controlled power semiconductor S1 and a first power diode D1
  • the second power switch includes a second fully-controlled power semiconductor S2 and a second power diode D2.
  • the power switch includes a third fully-controlled power semiconductor S3 and a third power diode D3
  • the fourth power switch includes a fourth fully-controlled power semiconductor S4 and a fourth power diode D4.
  • the drains of the fully-controlled power semiconductors S1, S2, S3, and S4 of each power switch are respectively connected to the cathodes of the corresponding power diodes D1, D2, D3, and D4.
  • the fully-controlled power semiconductors S1, S2, S3, and S4 are connected to the cathodes of the corresponding power diodes D1, D2, D3, and D4.
  • the sources are respectively connected to the anodes of the corresponding power diodes D1, D2, D3, and D4.
  • the first filter capacitor C1 is connected between the first positive DC bus 403 and the negative DC bus 407
  • the drain of the first fully controlled power semiconductor S1 is connected to the first positive DC bus 403
  • the source of the first fully controlled power semiconductor S1 is connected to the drain of the second fully controlled power semiconductor S2
  • the source of the second fully controlled power semiconductor S2 is connected to the third fully controlled power semiconductor S2.
  • the drain of the semiconductor S3 is connected
  • the source of the third fully-controlled power semiconductor S3 is connected to the drain of the fourth fully-controlled power semiconductor S4
  • the source of the fourth fully-controlled power semiconductor S4 is connected to The negative DC bus 407 is connected.
  • One end of the flying capacitor C2 is connected to the intersection of the source of the first fully-controlled power semiconductor S1 and the drain of the second fully-controlled power semiconductor S2.
  • the other end of the capacitor C2 is connected to the intersection of the source of the third fully-controlled power semiconductor S3 and the drain of the fourth fully-controlled power semiconductor S4.
  • the two-level half-bridge 404 in FIG. 4 includes: a second filter capacitor C3, a fifth power switch and a sixth power switch, a second positive DC bus 405 and a negative DC bus 407.
  • the fifth power switch includes a fifth fully-controlled power semiconductor S5 and a fifth power diode D5
  • the sixth power switch includes a sixth fully-controlled power semiconductor S6 and a sixth power diode D6.
  • the drains of the fully-controlled power semiconductors S5 and S6 of each power switch are respectively connected to the cathodes of the corresponding power diodes D5 and D6.
  • the sources of the fully-controlled power semiconductors S5 and S6 are respectively connected to the corresponding power diodes D5 and D6. Anode connection.
  • the second filter capacitor C3 is connected between the second positive DC bus 405 and the negative DC bus 407, the drain of the fifth fully controlled power semiconductor S5 is connected to the second positive DC bus 405, so The source of the fifth fully controlled power semiconductor S5 is connected to the drain of the sixth fully controlled power semiconductor S6, and the source of the sixth fully controlled power semiconductor S6 is connected to the negative DC bus 407.
  • the three-level flying capacitor half-bridge 402 and the two-level half-bridge 404 are cascaded together through the inductor L1 to form the DC-DC converter 40 according to the present disclosure.
  • the gate drive signals of the fully-controlled power semiconductors S1-S6 in the power switch meet the basic requirements shown in Table 1 below.
  • Table 1 the basic requirements shown in Table 1 below.
  • the driving signals of the power semiconductor S6 are complementary, and there is a 180-degree phase shift between the driving signals of the first fully-controlled power semiconductor S1 and the second fully-controlled power semiconductor S2.
  • the drive signal of S1 is complementary to the drive signal of S4 S2, S3
  • the drive signal of S2 is complementary to the drive signal of S3 S5, S6
  • S5 is complementary to the drive signal of S6 S1, S2
  • S1 and the drive signal of S2 have a phase shift of 180 degrees
  • the three-level flying capacitor half-bridge 402 is used as a buck converter, and the two-level half-bridge is used as a boost Converter.
  • the three-level flying capacitor half-bridge 402 is the input side, and the voltage at both ends thereof is the input voltage
  • the two-level half-bridge 404 is the output side, and the voltage at both ends thereof is the output voltage.
  • the duty ratio of the driving signal of the first fully-controlled power semiconductor S1 and the duty ratio of the driving signal of the sixth fully-controlled power semiconductor S6 are M1 and M6, respectively, the input voltage Vin and the output voltage Vout have the formula (1 ) Shows the relationship.
  • control strategy can determine which side of the half-bridge should be modulated according to the relationship between the input and output voltages.
  • the three-level flying capacitor half-bridge is used as a step-down converter, and the two-level half-bridge stops modulation.
  • the sixth fully-controlled power semiconductor S6 is kept off, and the fifth fully-controlled power semiconductor S5 is kept on, thereby reducing power loss. If the duty cycle of the driving signal of the first full-control power semiconductor S1 is set to M1 as required, the input voltage Vin and the output voltage Vout may have the relationship shown in formula (2).
  • the driving signal of S1 has a duty cycle of M1 S2
  • the drive signal of S2 and the drive signal of S1 have a phase shift of 180 degrees S3
  • the drive signal of S3 is complementary to the drive signal of S2 S4
  • the drive signal of S4 is complementary to the drive signal of S1 S5
  • the first fully-controlled power semiconductor S1 and the second fully-controlled power semiconductor S2 are set to maintain conduction
  • the third fully-controlled power semiconductor S3 and the fourth fully-controlled power semiconductor S4 is set to remain off
  • the output voltage Vou can be controlled by selecting the duty ratio M6 of the driving signal of the sixth full-control power semiconductor S6 as required.
  • the input voltage Vin and the output voltage Vout may have the relationship shown in equation (3).
  • the drive signal of S5 is complementary to the drive signal of S6 S6
  • the driving signal of S6 has a duty cycle of M6
  • the two-level half-bridge is used as a buck converter
  • the three-level flying capacitor half-bridge is used as Step-up converter.
  • the two-level half-bridge 404 is the input side, and the voltage across it is the input voltage
  • the three-level flying capacitor half-bridge 402 is the output side, and the voltage across it is the output voltage.
  • the control strategy determines which side of the half-bridge should be modulated according to the input and output voltages.
  • the two-level half-bridge stops modulation, the fifth fully-controlled power semiconductor S5 remains on, and the sixth fully-controlled power semiconductor S6 remains off.
  • the duty cycle M3 can control the output voltage.
  • the input voltage Vin and the output voltage Vout may have the relationship shown in equation (4).
  • the drive signal of S1 is complementary to the drive signal of S4 S2
  • the drive signal of S2 is complementary to the drive signal of S3 S3
  • the driving signal of S3 has a duty cycle of M3 S4
  • the drive signal of S4 and the drive signal of S3 have a phase shift of 180 degrees S5
  • the first fully-controlled power semiconductor S1 and the second fully-controlled power semiconductor S2 remain conductive, so as to keep the three-level flying capacitor half-bridge side as inactive as possible, and reduce Low power loss.
  • the output voltage can be controlled by selecting the duty ratio M5 of the driving signal of the fifth full-control power semiconductor S5 as required.
  • the input voltage Vin and the output voltage Vout may have the relationship shown in equation (5).
  • Vout Vin.M5 (5)
  • the driving signal of S5 has a duty cycle of M5 S6
  • the drive signal of S6 is complementary to the drive signal of S5
  • the hybrid cascade topology circuit of the multi-level flying capacitor half-bridge and the two-level half-bridge according to the present disclosure can be used when one side has a high operating voltage requirement, because in the multi-level flying capacitor half-bridge, each The power switch only needs to bear a part of the DC bus voltage, making it possible to use a power switch with a low voltage rating for high-voltage applications.
  • the multi-level half-bridge uses low-rated voltage power switches with better loss characteristics, compared to the two-level topology circuit of high-rated voltage power switches. Has lower power loss.
  • Fig. 5 is an exemplary topology diagram of a DC-DC converter according to another embodiment of the present disclosure.
  • the DC-DC converter shown in Figure 5 also includes a three-level flying capacitor half-bridge and a two-level half bridge. The difference lies in the high-voltage side of the two-level half bridge and the three-level flying capacitor half-bridge. The high-voltage side is coupled together through a DC link capacitor, and an input inductor and an output inductor are also required.
  • the DC-DC converter shown in Figure 5 can also realize that each power switch on the half-bridge side of the three-level flying capacitor only bears part of the DC bus voltage, so that it can be used for high-voltage applications by using low-rated power switches . Its working principle is similar to that of the DC-DC converter shown in Figure 4, and will not be repeated here.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Abstract

Convertisseur de courant continu-courant continu (40) comprenant un demi-pont (402) de condensateur volant multiniveau, un demi-pont à deux niveaux (404) et un inducteur (L1), l'inducteur (L1) étant couplé entre le point médian du demi-pont (402) de condensateur volant multiniveau et celui du demi-pont à deux niveaux (404).
PCT/CN2020/071507 2020-01-10 2020-01-10 Convertisseur courant continu-courant continu WO2021138912A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023161600A1 (fr) * 2022-02-22 2023-08-31 Cirrus Logic International Semiconductor Limited Convertisseurs de puissance
US20230308014A1 (en) * 2022-03-25 2023-09-28 Cirrus Logic International Semiconductor Ltd. Dc-dc converters

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008178284A (ja) * 2006-12-22 2008-07-31 Tokyo Electric Power Co Inc:The 電力変換器
CN104272576A (zh) * 2012-03-23 2015-01-07 Tq系统有限责任公司 电路和其操作方法
CN204119075U (zh) * 2014-08-22 2015-01-21 特变电工新疆新能源股份有限公司 逆变单元及逆变器
US20150280608A1 (en) * 2014-03-26 2015-10-01 Solaredge Technologies, Ltd Multi-level inverter
CN107231089A (zh) * 2017-05-23 2017-10-03 中国农业大学 一种双向三电平h桥非隔离dc‑dc变换器
CN109194141A (zh) * 2018-10-09 2019-01-11 南京铁道职业技术学院 一种混合式双向直直变换器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008178284A (ja) * 2006-12-22 2008-07-31 Tokyo Electric Power Co Inc:The 電力変換器
CN104272576A (zh) * 2012-03-23 2015-01-07 Tq系统有限责任公司 电路和其操作方法
US20150280608A1 (en) * 2014-03-26 2015-10-01 Solaredge Technologies, Ltd Multi-level inverter
CN204119075U (zh) * 2014-08-22 2015-01-21 特变电工新疆新能源股份有限公司 逆变单元及逆变器
CN107231089A (zh) * 2017-05-23 2017-10-03 中国农业大学 一种双向三电平h桥非隔离dc‑dc变换器
CN109194141A (zh) * 2018-10-09 2019-01-11 南京铁道职业技术学院 一种混合式双向直直变换器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023161600A1 (fr) * 2022-02-22 2023-08-31 Cirrus Logic International Semiconductor Limited Convertisseurs de puissance
US20230308014A1 (en) * 2022-03-25 2023-09-28 Cirrus Logic International Semiconductor Ltd. Dc-dc converters
US12107494B2 (en) * 2022-03-25 2024-10-01 Cirrus Logic Inc. DC-DC converter with reservoir circuitry

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