CN109617406A - A kind of coupling multiphase DC-DC converter - Google Patents
A kind of coupling multiphase DC-DC converter Download PDFInfo
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- CN109617406A CN109617406A CN201811558468.7A CN201811558468A CN109617406A CN 109617406 A CN109617406 A CN 109617406A CN 201811558468 A CN201811558468 A CN 201811558468A CN 109617406 A CN109617406 A CN 109617406A
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Classifications
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
Abstract
The invention discloses a kind of coupling multiphase DC-DC converters, including input pre-charge resistance R1, main switch S1, low-pressure side first capacitor C1, Multiple coil coupling inductance L, multiphase semiconductor bridge arm T11/T12~Tn1/Tn2, high-pressure side the second capacitor C2, current sensor A1~AnAnd low-pressure side first voltage sensor V1With high-pressure side second voltage sensor V2；The Multiple coil coupling inductance L is integrated on same magnetic material by n coupling inductance winding (n >=3) and is made, and quantity is equal to each other with multiphase semiconductor copped wave module bridge arm quantity, and the inductor winding that is often coupled seals in current sensor A respectively1~An, for feeding back every phase current magnitude to controller；The present invention solves the problems, such as that lower, iron core coupled structure complexity of each phase inductance parameter symmetry present in the coupling inductance of more numbers of phases etc. is obvious.
Description
Technical field
The invention belongs to DC converter technical field more particularly to a kind of coupling multiphase DC-DC converters.
Background technique
It is now widely used for electric car, alternating current-direct current micro-capacitance sensor, fuel cell, renewable energy power generation and superconducting energy storage
The DC-DC conversion module in equal fields generallys use the topological structure of non-isolation type multiphase interleaving to meet the dynamic of system and ring
It answers, the particular/special requirements such as high power density, high efficiency, high current and output ripple and low.Especially in fuel cell new energy vapour
Vehicle application, fuel cell side voltage is low, current amplitude is big, voltage change range is wide and converter boost is relatively high, to filter
The design of the critical components such as wave inductance is even more to propose more problem, is difficult to further decrease magnetic material weight and size, mention
The efficiency and dynamic responding speed of high DC/DC conversion module.
Using crisscross parallel+separate inductor topological structure, since filter inductance is passed through, DC current amplitude is larger to be caused
Magnetic material direct current flux is larger and magnetic material utilization rate is not high, to meet the requirement of ripple current index and reducing semiconductor
Devices switch loss filter inductance value often also selects larger, therefore is difficult to further decrease magnetic material weight and size, mention
The efficiency and dynamic responding speed of high DCDC conversion module.
Core dimensions weight can be reduced with the direct current flux offset in magnetic material by using coupling inductance mode, but at present more
More research is to concentrate on 2 to be coupled this direction of inductance, since ripple current frequencies raising is not obvious and the design of leakage field
More difficult, then there is the symmetries of each phase inductance parameter that lower, iron core coupled structure is multiple for the coupling inductance of more numbers of phases
The obvious technical deficiency such as miscellaneous.
Summary of the invention
It is wider in view of the type DC/DC converter market application range, and the function of existing low-voltage, high-current DC/DC converter
Rate density is in urgent need to be improved, and to improve plant capacity density and reducing equipment size, the invention proposes a kind of coupling multi-phase DC-DCs
Converter, to solve the problems, such as that low-voltage, high-current DC-DC converter power density and efficiency etc. are too low.
The technical solution adopted by the present invention to solve the technical problems is: a kind of coupling multiphase DC-DC converter, including more
Winding coupled inductance L, pre-charge resistance R1, main switch S1, low-pressure side first capacitor C1, high-pressure side the second capacitor C2, multiphase partly leads
Body copped wave module T11/T12~Tn1/Tn2And current sensor A1~An；
The Multiple coil coupling inductance L is integrated on same magnetic material by n coupling inductance winding (n >=3) and is made,
Quantity is equal to each other with multiphase semiconductor copped wave module bridge arm quantity, and the inductor winding that is often coupled seals in current sensor A respectively1
~An, in conjunction with DC current Balance route mode so that straight inside magnetic material for feeding back every phase current magnitude to controller
Stream magnetic flux is close to zero, and improves stock utilization, and be arbitrarily negative between inductor winding coupled characteristic two-by-two, partly leads in conjunction with corresponding multiphase
Body copped wave module T11/T12~Tn1/Tn2Phase-shift control mode and copped wave operating mode (boost or depressurization), realize low-voltage
While side is to high-pressure side (or high-pressure side to low-pressure side) energy conversion, limits every phase winding and opened with the high frequency in semiconductor devices
Primary current amplitude is closed, and magnetic material dimension and weight significantly reduces, which solves low-pressure side high current and answer
With under occasion due to filtering magnetic device dimension and weight limitation lead to the lower practical problem of inverter power density；
The common end of Multiple coil coupling inductance L and low-pressure side first capacitor C1Anode, pre-charge resistance R1One end and master open
Close S1One end connection, the pre-charge resistance R1The other end and main switch S1The other end connected at low-pressure side anode, institute
State the other electric terminals in not common end of Multiple coil coupling inductance L respectively and quantity phase identical as Multiple coil coupling inductance L winding
Deng multiphase semiconductor copped wave module dynode be connected；
The anode of the multiphase semiconductor copped wave module upper half bridge arm, which is connected to, is formed together HV Terminal, multiphase semiconductor copped wave
The cathode of module lower half bridge arm, which is connected to, is formed together low-voltage terminal, and the HV Terminal and low-voltage terminal are separately connected supreme
Press the second capacitor of side C2Both ends；
The first capacitor C1With the second capacitor C2Both ends be connected separately with low-pressure side first voltage sensor V1The high-pressure side and
Second voltage sensor V2, low-pressure side or high-pressure side DC voltage are directly controlled with realizing, meet low-pressure side or high-pressure side
The requirement of pressure stabilizing control function.
A kind of coupling multiphase DC-DC converter, the Multiple coil coupling inductance L further includes that quantity is no less than 3
Cylinder or square column type I- core, cylindrical or square column type I- core quantity is equal with winding quantity, and coil windings correspondingly twine
The quantity is wound on to be no less than around 3 cylinder or square column type I- core.The quantity is no less than 3 cylinder or square column type I-
The length of core, sectional area and material are identical equal, cylinder or the square column type I- core week for being wrapped in the quantity and being no less than 3
The coil windings enclosed coiling clockwise or counterclockwise, around equal to consistent and coiling circle number.
A kind of coupling multiphase DC-DC converter, the quantity are no less than at the top of 3 cylinder or square column type I- core
There is one piece of strip magnetic yoke and cylindrical or square column type I- core to constitute magnetic return path respectively with bottom, two pieces of strip magnetic yokes with
Quantity be no less than 3 cylinder or square column type I- core between there are the gap of equal length, change single-phase winding to adjust length
Inductance.
A kind of coupling multiphase DC-DC converter, two pieces of strip magnetic yoke equal lengths of the top and bottom,
Long axis arranged direction is parallel, and is arranged symmetrically on strip magnetic yoke length direction and to be wound with the quantity of coil and be no less than 3
Cylinder or square column type I- core, quantity be no less than 3 cylinder or the axis direction of square column type I- core and top and bottom
The long axis direction of two pieces of strip magnetic yokes is vertical.
A kind of coupling multiphase DC-DC converter, cylinder or the square column for being wrapped in the quantity and being no less than 3
Winding coil one end around shape I- core is connected to form common end, in correspondence when flowing in or out different winding coils from common end
The magnetic direction that winding is cylindrical or square column type I- in-core generates is identical and two pieces of strip magnetic yoke axis with top and bottom
Direction is vertical.
A kind of coupling multiphase DC-DC converter, cylinder or the square column for being wrapped in the quantity and being no less than 3
The not common end of winding coil around shape I- core passes through current sensor A1~AnIt is connected to multiphase semiconductor copped wave module bridge arm
Dynode, multiphase semiconductor copped wave module bridge arm and current sensor quantity are equal with winding coil quantity.
A kind of coupling multiphase DC-DC converter, the quantity be no less than 3 cylinder or square column type I- core one
Side can configure equal number of annulars or square column type magnetic cores, and the annular or square column type core length of configuration be more cylindrical or square column type
I- core is short, can form together magnetic pole and be wound by coiled wire-wound coil.
The beneficial effect comprise that:
Since, without direct current flux, stock utilization is high, and combines phase-shifting carrier wave control mode and utilization in Multiple coil coupling inductance
Negative coupled characteristic between winding can preferably limit switch time ripple current component, inductance magnetic circuit implementation be easy, inductance body
Product compact dimensions, therefore DC-DC converter dynamic response, high power density, high efficiency, high current and low can be better meet
The performance requirements such as output ripple solve the problems, such as that existing DC-DC converter exists.
Compared with prior art, Multiple coil coupling inductance magnetic circuit and manufacturing process is simple, stock utilization is high；It is flat in conjunction with winding
Equal current balance control mode, realizes that every phase winding electric current average amplitude is of substantially equal, so that magnetic material is straight in coupling inductance
Stream magnetic flux is close to zero and improves magnetic material utilization rate；Smaller leakage inductance limitation DC-DC due to being coupling inductance becomes
Parallel operation low frequency dynamic current, therefore the dynamic responding speed of DC-DC converter is very fast.The Multiple coil Coupled Magnetic Path structure of use makes
Arbitrarily the coefficient of coup of bridge arm is identical two-by-two and is -1/n, negative sign indicates to be negative coupled characteristic between winding.
When being controlled using phase-shifting carrier wave, between any bridge arm (kn-1)f、(kn-2) f …(kn-n+1) f(wherein k is positive
Integer, n are winding and bridge arm quantity) to switch time limitation inductance of high-frequency harmonic voltage higher compared with independent electrical inductance value, be conducive to limit
It makes corresponding secondary frequencies harmonic current and reduces semiconductor device switch loss, for partly leading the kn of device bridge arm generationfSame phase
Position high-frequency current component can be big using the leakage inductance of coupling inductance since the partial amplitude is relatively small and frequency is higher
Width reduces these high-frequency current components.
Positioned at the filter capacitor of low pressure side and high pressure side, the ripple of high-pressure side and low-pressure side more effectively can be significantly filtered out
Current component is suitable for the place stringenter to DC-DC ripple current index request, when high side voltage and low-pressure side voltage width
When value is than lower than n, low-pressure side will not generate reverse current under any output state of power conversion 0~fully loaded, especially suitable
Low-pressure side is required not allow the case where reverse current occur for fuel cell boost converter.
Detailed description of the invention
Fig. 1 is the main circuit topology of converter of the present invention；
Fig. 2 is the boosting working circuit diagram according to coupling multiphase DC-DC converter provided by the invention；
Fig. 3 is the decompression working circuit diagram according to coupling multiphase DC-DC converter provided by the invention；
Fig. 4 is the structural schematic diagram of Multiple coil coupling inductance of the present invention；
Fig. 5 is a kind of each phase current waveform figure of 4 winding coupled inductance provided in an embodiment of the present invention.
Specific embodiment
A specific embodiment of the invention is described in more detail below in conjunction with schematic diagram.According to following description and
Claims, advantages and features of the invention will become apparent from.It should be noted that attached drawing is all made of very simplified form and
Using non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
As shown in Figure 1, a kind of coupling multiphase DC-DC converter, including Multiple coil coupling inductance L, pre-charge resistance R1, it is main
Switch S1, low-pressure side first capacitor C1, high-pressure side the second capacitor C2, multiphase semiconductor copped wave module T11/T12~Tn1/Tn2And electricity
Flow sensor A1~An；
The Multiple coil coupling inductance L is integrated on same magnetic material by n coupling inductance winding (n >=3) and is made,
Quantity is equal to each other with multiphase semiconductor copped wave module bridge arm quantity, and the inductor winding that is often coupled seals in current sensor A respectively1
~An, in conjunction with DC current Balance route mode so that straight inside magnetic material for feeding back every phase current magnitude to controller
Stream magnetic flux is close to zero, and improves stock utilization, and be arbitrarily negative between inductor winding coupled characteristic two-by-two, partly leads in conjunction with corresponding multiphase
Body copped wave module T11/T12~Tn1/Tn2Phase-shift control mode and copped wave operating mode (boost or depressurization), realize low-voltage
While side is to high-pressure side (or high-pressure side to low-pressure side) energy conversion, limits every phase winding and opened with the high frequency in semiconductor devices
Primary current amplitude is closed, and magnetic material dimension and weight significantly reduces, which solves low-pressure side high current and answer
With under occasion due to filtering magnetic device dimension and weight limitation lead to the lower practical problem of inverter power density；
The common end of Multiple coil coupling inductance L and low-pressure side first capacitor C1Anode, pre-charge resistance R1One end and master open
Close S1One end connection, the pre-charge resistance R1The other end and main switch S1The other end connected at low-pressure side anode, institute
State the other electric terminals in not common end of Multiple coil coupling inductance L respectively and quantity phase identical as Multiple coil coupling inductance L winding
Deng multiphase semiconductor copped wave module dynode be connected；
The anode of the multiphase semiconductor copped wave module upper half bridge arm, which is connected to, is formed together HV Terminal, multiphase semiconductor copped wave
The cathode of module lower half bridge arm, which is connected to, is formed together low-voltage terminal, and the HV Terminal and low-voltage terminal are separately connected supreme
Press the second capacitor of side C2Both ends；
The first capacitor C1With the second capacitor C2Both ends be connected separately with low-pressure side first voltage sensor V1The high-pressure side and
Second voltage sensor V2, low-pressure side or high-pressure side DC voltage are directly controlled with realizing, meet low-pressure side or high-pressure side
The requirement of pressure stabilizing control function.
Fig. 2 and Fig. 3 show boosting and the decompression working circuit diagram of present invention coupling multiphase DC-DC converter, the present invention
When working in boost mode, the lower half bridge arm power device of multiphase semiconductor copped wave module bridge arm negative side works in phase-shifting carrier wave
Control mode, the upper half bridge arm power diode complementary duty of the semiconductor copped wave bridge arm side of the positive electrode；Work in decompression mode
When, the upper half bridge arm power device of the multiphase semiconductor copped wave module bridge arm side of the positive electrode works in phase-shifting carrier wave control mode,
The lower half bridge arm power diode complementary duty of the semiconductor copped wave bridge arm negative side, constitutes the semiconductor copped wave bridge arm
Switching device selects IGBT or MOSFET element with anti-parallel diodes.
360 °/n of phase shift, n are the upper half bridge arm or lower half bridge arm power device for working in phase-shifting carrier wave control mode two-by-two
Realize the bridge arm quantity of prime power transformation.
In the present embodiment, the upper half-bridge of phase-shifting carrier wave control mode is worked in the coupling multiphase DC-DC converter
360 °/n of phase shift, n are the bridge arm quantity for realizing prime power transformation two-by-two for arm or lower half bridge arm power device, be may be implemented in this way
The non-kn switching frequency high frequency ripple current generated when by semiconductor copped wave bridge arm PWM work is entirely limited inside inductance.
Referring to shown in Fig. 4, Fig. 5, in the present embodiment, Multiple coil coupling inductance L further includes circle identical with winding quantity
Cylindricality or square column type I- core, quantity are no less than 3 cylinder or square column type I- core, cylindrical or square column type I- core quantity and winding
Quantity is equal, and coil windings are correspondingly wrapped in the quantity and are no less than around 3 cylinder or square column type I- core.The number
Amount is no less than 3 cylinder or the length of square column type I- core, sectional area and material are identical equal, described to be wrapped in the quantity not
The coil windings coiling clockwise or counterclockwise around cylinder or square column type I- core less than 3, around to consistent and coiling
It is equal to enclose number.
Further, quantity is no less than 3 cylinder or square column type I- core top and bottom one piece of strip magnetic yoke respectively
Constitute magnetic return path with cylindrical or square column type I- core, the quantity be no less than 3 difference is cylindrical or square column type I- core
Top surface is equal with top strip magnetic yoke gap length, and bottom surface is equal with the gap length of bottom strip magnetic yoke, to adjust length
Degree changes single-phase winding inductance amount.
Further, two pieces of strip magnetic yoke equal lengths of the top and bottom, long axis arranged direction is parallel, and
Be arranged symmetrically on strip magnetic yoke length direction be wound with coil quantity be no less than 3 cylinder or square column type I- core, number
The long axis side of two pieces of strip magnetic yokes of the axis direction and top and bottom of the cylinder or square column type I- core of amount no less than 3
To vertically.
Further, it is described be wrapped in the quantity be no less than 3 cylinder or square column type I- core around winding coil one
End is connected to form common end, in corresponding winding cylinder or square column type I- core when flowing in or out different winding coils from common end
Two pieces of identical and with top and bottom strip magnetic yoke axis directions of the magnetic direction of interior generation are vertical.
Further, it is described be wrapped in the quantity be no less than 3 cylinder or square column type I- core around winding coil
Not common end is connected to multiphase semiconductor copped wave module bridge arm dynode, multiphase semiconductor copped wave module bridge by current sensor
Arm and current sensor quantity are equal with winding coil quantity.
Further, the quantity, which is no less than 3 cylinder or the side of square column type I- core, can configure equal number of annulars
Or square column type magnetic core, the annular or square column type core length of configuration are more cylindrical or square column type I- core is short, can form magnetic pole together
It is wound by coiled wire-wound coil.
Further, the first capacitor C positioned at low-pressure side1Be located on high-tension side second capacitor C2Both ends point
It is not connected with voltage sensor V1With voltage sensor V2, low-pressure side or high-pressure side DC voltage are directly controlled with realizing, it is full
Sufficient low-pressure side or the requirement of high-pressure side pressure stabilizing control function.The inductor winding that is often coupled of the Multiple coil coupling inductance L seals in
Current sensor A1、A2、A3、…An, for feeding back every phase current magnitude to controller, in conjunction with DC current Balance route mode
So that magnetic material internal direct current magnetic flux is close to zero, stock utilization is improved.
Though the present invention is described in detail with above-described embodiment, protection scope of the present invention is not described as with aforementioned
Standard, any simple transformation based on inventive concept, comes under within protection scope of the present invention.
Claims (7)
1. a kind of coupling multiphase DC-DC converter, it is characterised in that: including Multiple coil coupling inductance L, pre-charge resistance R1, master open
Close S1, low-pressure side first capacitor C1, high-pressure side the second capacitor C2, multiphase semiconductor copped wave module T11/T12~Tn1/Tn2And electric current
Sensors A1~An；
The Multiple coil coupling inductance L is integrated on same magnetic material by n coupling inductance winding (n >=3) and is made, often
The inductor winding that is coupled seals in current sensor A respectively1~An, for feeding back every phase current magnitude to controller；
The common end of Multiple coil coupling inductance L and low-pressure side first capacitor C1Anode, pre-charge resistance R1One end and main switch
S1One end connection, the pre-charge resistance R1The other end and main switch S1The other end connected at low-pressure side anode, it is described
The not common end of Multiple coil coupling inductance L is connected with the multiphase semiconductor copped wave module dynode of identical quantity respectively；
The anode of the multiphase semiconductor copped wave module upper half bridge arm, which is connected to, is formed together HV Terminal, multiphase semiconductor copped wave
The cathode of module lower half bridge arm, which is connected to, is formed together low-voltage terminal, and the HV Terminal and low-voltage terminal are separately connected supreme
Press the second capacitor of side C2Both ends；
The first capacitor C1With the second capacitor C2Both ends be connected separately with low-pressure side first voltage sensor V1The high-pressure side and
Second voltage sensor V2, low-pressure side or high-pressure side DC voltage are directly controlled with realizing, meet low-pressure side or high-pressure side
The requirement of pressure stabilizing control function.
2. a kind of coupling multiphase DC-DC converter according to claim 1, which is characterized in that the Multiple coil coupling
Inductance L further includes cylindrical or square column type I- core identical with winding quantity, and length and sectional area are equal, and material is identical, institute
The winding coiling clockwise or counterclockwise for stating I- core, around equal to consistent and coiling circle number.
3. a kind of coupling multiphase DC-DC converter according to claim 2, which is characterized in that at the top of the described I- core and
Bottom has one piece of strip magnetic yoke and I- core to constitute magnetic return path respectively, and there are length between two pieces of strip magnetic yokes and I- core
Equal gap changes single-phase winding inductance amount to adjust length.
4. a kind of coupling multiphase DC-DC converter according to claim 3, which is characterized in that two pieces of strips
Magnetic yoke equal length, long axis arranged direction is parallel, and is arranged symmetrically on strip magnetic yoke length direction and is wound with coil
Cylinder or square column type I- core, the long axis direction of two pieces of strip magnetic yokes of the axis direction and top and bottom of I- core it is equal
Vertically.
5. a kind of coupling multiphase DC-DC converter according to claim 4, which is characterized in that around the I- core
Winding coil one end is connected to form common end, when flowing in or out different winding coils from common end corresponding winding it is cylindrical or
Two pieces of identical and with top and bottom strip magnetic yoke axis directions of the magnetic direction that square column type I- in-core generates are vertical.
6. a kind of coupling multiphase DC-DC converter according to claim 5, which is characterized in that around the I- core
The not common end of winding coil passes through current sensor A1~AnIt is connected to multiphase semiconductor copped wave module bridge arm dynode.
7. a kind of coupling multiphase DC-DC converter according to claim 2, which is characterized in that match the side of the I- core
It sets equal number of annulars or square column type magnetic core, core length is short compared with I- core, form magnetic pole together and wound by coiled wire-wound coil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811558468.7A CN109617406A (en) | 2018-12-19 | 2018-12-19 | A kind of coupling multiphase DC-DC converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558468.7A CN109617406A (en) | 2018-12-19 | 2018-12-19 | A kind of coupling multiphase DC-DC converter |
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| CN109617406A true CN109617406A (en) | 2019-04-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113065226A (en) * | 2021-03-02 | 2021-07-02 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Fault diagnosis method for permanent magnet synchronous motor |
| TWI822233B (en) * | 2021-08-11 | 2023-11-11 | 美商茂力科技股份有限公司 | Multiphase power supply and associated electrical circuit, and averaging current sense method |
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| CN106787738A (en) * | 2017-03-14 | 2017-05-31 | 华中科技大学 | A kind of multiphase interleaving DC converter |
| US20170250025A1 (en) * | 2016-02-26 | 2017-08-31 | Emerson Network Power Co., Ltd. | Inductor Winding Method And Inductor Winding Device |
| CN110557019A (en) * | 2018-06-04 | 2019-12-10 | 福特全球技术公司 | Interleaved variable voltage converter |
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| CN104021921A (en) * | 2014-05-27 | 2014-09-03 | 华为技术有限公司 | Coupling inductor and power converter |
| CN104868755A (en) * | 2015-06-12 | 2015-08-26 | 江苏同芯电气科技有限公司 | High-power bidirectional multi-way direct-current simulation power supply |
| US20170250025A1 (en) * | 2016-02-26 | 2017-08-31 | Emerson Network Power Co., Ltd. | Inductor Winding Method And Inductor Winding Device |
| CN106787738A (en) * | 2017-03-14 | 2017-05-31 | 华中科技大学 | A kind of multiphase interleaving DC converter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113065226A (en) * | 2021-03-02 | 2021-07-02 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Fault diagnosis method for permanent magnet synchronous motor |
| TWI822233B (en) * | 2021-08-11 | 2023-11-11 | 美商茂力科技股份有限公司 | Multiphase power supply and associated electrical circuit, and averaging current sense method |
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Application publication date: 20190412 |