CN109286310B - High voltage generating circuit and method - Google Patents

High voltage generating circuit and method Download PDF

Info

Publication number
CN109286310B
CN109286310B CN201710590945.7A CN201710590945A CN109286310B CN 109286310 B CN109286310 B CN 109286310B CN 201710590945 A CN201710590945 A CN 201710590945A CN 109286310 B CN109286310 B CN 109286310B
Authority
CN
China
Prior art keywords
voltage
multiplier
terminal
power switch
stage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710590945.7A
Other languages
Chinese (zh)
Other versions
CN109286310A (en
Inventor
毛赛君
廖懿
斯图尔特·布莱克·布拉泽尔
陈云铮
韩新红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baker Hughes ESP Inc
Original Assignee
GE Oil and Gas ESP Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GE Oil and Gas ESP Inc filed Critical GE Oil and Gas ESP Inc
Priority to CN201710590945.7A priority Critical patent/CN109286310B/en
Priority to EP18834510.2A priority patent/EP3656045A4/en
Priority to PCT/US2018/041242 priority patent/WO2019018148A1/en
Priority to CA3070394A priority patent/CA3070394C/en
Priority to ARP180101985 priority patent/AR112511A1/en
Publication of CN109286310A publication Critical patent/CN109286310A/en
Application granted granted Critical
Publication of CN109286310B publication Critical patent/CN109286310B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • 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
    • H02M11/00—Power conversion systems not covered by the preceding groups
    • 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
    • H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
    • 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
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • 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
    • H02M7/10—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 arranged for operation in series, e.g. for multiplication of voltage
    • H02M7/103—Containing passive elements (capacitively coupled) which are ordered in cascade on one source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
    • H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
    • 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
    • H02M1/0048—Circuits or arrangements for reducing losses
    • H02M1/0054—Transistor switching losses
    • H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
    • 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
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/007—Plural converter units in cascade
    • 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
    • H02M3/1557—Single ended primary inductor converters [SEPIC]

Landscapes

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

Abstract

The invention discloses a high-voltage generating circuit which comprises a battery for providing a first direct-current voltage, a first inductor connected with the battery in series, a power switch and a voltage multiplier. The power switch is configured to convert the first direct current voltage to a pulsed voltage. The voltage multiplier is configured to multiply the pulse voltage to a second direct current voltage. The second DC voltage is higher than the first DC voltage. The voltage multiplier comprises a plurality of supercapacitors connected in series. The invention also discloses a high voltage generation method.

Description

High voltage generating circuit and method
Technical Field
The present invention generally relates to the field of voltage generation, and more particularly, to a high voltage generating circuit and a high voltage generating method.
Background
In many power generation systems, such as downhole power generation systems, it is necessary to provide a high Direct Current (DC) voltage to a load. Therefore, such power generation systems typically require a high voltage generation circuit to provide a desired voltage to a load.
Conventional high voltage generation circuits typically include a voltage multiplier for multiplying higher voltages. The voltage multiplier comprises a plurality of supercapacitors connected in series. However, due to the difference of the super capacitors, a voltage imbalance of the super capacitors may be caused in the operation of the high voltage generating circuit.
Therefore, in view of this, the need for how to achieve cell balancing of the super capacitor in the case of outputting a high voltage is becoming more and more urgent.
Disclosure of Invention
One aspect of the present invention is to provide a high voltage generating circuit. The high voltage generating circuit comprises a battery for providing a first direct current voltage, a first inductor connected in series with the battery, a power switch and a voltage multiplier. The power switch is configured to convert the first direct current voltage to a pulsed voltage. The voltage multiplier is configured to multiply the pulse voltage to a second direct current voltage. The second direct voltage is higher than the first direct voltage. The voltage multiplier includes a plurality of supercapacitors connected in series.
Another aspect of the present invention is to provide a high voltage generating method. The high voltage generating method includes: providing a first direct current voltage; converting the first direct current voltage into a pulse voltage through a power switch; and multiplying the pulse voltage to a second direct current voltage by a voltage multiplier comprising a plurality of series-connected ultracapacitors, the second direct current voltage being higher than the first direct current voltage.
Drawings
These and other features, aspects, and advantages of the present invention will become better understood when the following detailed description is read with reference to the accompanying drawings in which like characters represent like parts throughout the drawings, wherein:
FIG. 1 is a schematic diagram of a high voltage generation circuit according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a high voltage generation circuit according to a second embodiment of the present invention;
FIG. 3 is a schematic diagram of a high voltage generation circuit according to a third embodiment of the present invention; and
fig. 4 is a flow chart of an exemplary high pressure generating method according to an embodiment of the present invention.
Detailed Description
To assist those skilled in the art in understanding the claimed subject matter, a detailed description of the invention is provided below along with accompanying figures. In the following detailed description of the embodiments, well-known functions or constructions are not described in detail in order to avoid unnecessarily obscuring the present disclosure.
Unless otherwise defined, technical or scientific terms used in the claims and the specification should have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. As used in this specification and the appended claims, the terms "first," "second," and the like do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The terms "a" or "an," and the like, do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "having", and the like, means that the element or item appearing before "comprises" or "having" covers the element or item listed after "comprising" or "having" and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Furthermore, terms indicating specific positions, such as "top", "bottom", "left" and "right", etc., are described only with reference to specific drawings. The various embodiments of the invention disclosed may be arranged in different ways as shown in the drawings of the invention. Thus, positional terms as used herein should not be limited to the positions shown in the specific embodiments.
First embodiment of high voltage generating circuit
Fig. 1 shows a schematic diagram of a high voltage generation circuit 100 according to a first embodiment of the present invention. As shown in fig. 1, the high voltage generating circuit 100 of the first embodiment may include a battery VinA first inductor L1Power switch S1And a voltage multiplier M. Battery VinA first Direct Current (DC) voltage may be provided. First inductance L1And a battery VinAre connected in series.
Power switch S1Can be from a battery VinIs converted into a pulse voltage. Power switch S1For example, it may be a transistor S1. Transistor S1Is connected to the voltage multiplier M, and the transistor S1Is grounded. First inductance L1One end of (B) and a battery VinIs connected with the positive pole of the first inductor L1And the other end of (1) and a transistor S1Is connected to the drain d. Transistor S1Source s and battery VinAre connected with each other.
The voltage multiplier M may multiply the pulse voltage to a second direct current voltage. The second DC voltage is higher than the first DC voltage. Typically, the first direct voltage is a low voltage and the second direct voltage is a high voltage. The voltage multiplier comprises a plurality of supercapacitors connected in series.
The voltage multiplier M may comprise a cascade of at least two multiplication stages M1-Mn. At least two multiplication stages M1-MnEach having one of a plurality of series-connected ultracapacitors. At least two multiplication stages M1-MnEach having a first end 1, a second end 2 and a third end 3. For the first multiplication stage M1The first multiplication stage M1Respectively with the transistor S1Is connected to the source s. For the second multiplication stage M2To the last multiplication stage MnThe first terminal 1 and the second terminal 2 of any one multiplier stage are connected to the first terminal 1 and the third terminal 3 of the previous multiplier stage, respectively, and the third terminal 3 of any one multiplier stage is connected to the second terminal 2 of the next multiplier stage.
For example, the second multiplication stage M2Respectively, with the first and second terminals 1 and 2 of the first multiplier stage M1Is connected to a third terminal 3, a second multiplier stage M2 Third terminal 3 and third multiplier stage M3To the second end 2. Third multiplication stage M3Respectively, with the second multiplier stage M2Is connected to a third terminal 3, a third multiplier stage M3Third end of (2)3 is connected to the second end 2 of the fourth multiplier stage. The nth multiplier stage MnIs connected to the first 1 and third 3 terminal of the (n-1) th multiplier stage, respectively.
At least two multiplication stages M1-MnMay include a first capacitor, a second capacitor, a first diode, and a second diode. For each multiplication stage M1-MnThe first capacitor and the first diode are connected in series between the first end 1 and the third end 3; the second diode is connected between the connection point of the first capacitor and the first diode and the second end 2; and a second capacitor is connected between the second terminal 2 and the third terminal 3.
For example, the first multiplication stage M1First capacitor C1And a first diode D2Connected in series in the first multiplier stage M1Between the first end 1 and the third end 3; first multiplication stage M1Second diode D1Is connected to the first capacitor C1And a first diode D2To the first multiplication stage M1Between the second ends 2; and a first multiplication stage M1Second capacitor Cs1Connected to the first multiplication stage M1Between the second end 2 and the third end 3. Second multiplication stage M2First capacitor C2And a first diode D4Connected in series in the second multiplier stage M2Between the first end 1 and the third end 3; second multiplication stage M2Second diode D3Is connected to the first capacitor C2And a first diode D4And the connection point of (C) and the second multiplication stage M2Between the second ends 2; and a second multiplication stage M2Second capacitor Cs2Connected to the second multiplier stage M2Between the second end 2 and the third end 3. Third multiplication stage M3First capacitor C3And a first diode D6Connected in series in a third multiplier stage M3Between the first end 1 and the third end 3; third multiplication stage M3Second diode D5Is connected to the first capacitor C3And a first diode D6And the third multiplication stage M3Between the second ends 2; and the firstThree multiplication stages M3Second capacitor Cs3Connected to a third multiplier stage M3Between the second end 2 and the third end 3. The nth multiplier stage MnFirst capacitor CnAnd a first diode D2nConnected in series in the nth multiplier stage MnBetween the first end 1 and the third end 3; the nth multiplier stage MnSecond diode D2n-1Is connected to the first capacitor CnAnd a first diode D2nWith the nth multiplier stage MnBetween the second ends 2; and the nth multiplication stage MnSecond capacitor CsnConnected to the nth multiplication stage MnBetween the second end 2 and the third end 3. Each multiplication stage M1-MnSecond capacitor Cs1-CsnIs a super capacitor.
The high voltage generation circuit 100 of the present invention uses a single switch based voltage multiplier to achieve a high voltage output and each multiplication stage M1-MnSuper capacitor Cs1-CsnThe cell of (1) is equalized. The high voltage generating circuit 100 of the present invention may have advantages of long life, low power consumption, compact size, low cost, etc.
Second embodiment of high voltage generating circuit
Fig. 2 shows a schematic diagram of a high voltage generation circuit 200 according to a second embodiment of the present invention. As shown in fig. 2, unlike the first embodiment, the high voltage generating circuit 200 of the second embodiment may further include a resonant circuit 40 on the basis of the high voltage generating circuit 100 of fig. 1. The resonant circuit 40 is connected to the power switch S1And a voltage multiplier M, and can convert the pulse voltage into a resonance voltage. In this case, the voltage multiplier M may multiply the resonance voltage to the second direct current voltage.
The resonant circuit 40 comprises a first inductance L1A third capacitor CP1A fourth capacitor CSAnd a second inductance LS. Third capacitor CP1And a power switch S1Are connected in parallel. Fourth capacitor CSAnd a second inductance LSConnected in series to a third capacitor CP1And a voltage multiplier M.
Similarly, the high voltage generating circuit 200 of the present invention can realize high voltage output and each multiplication stage M1-MnSuper capacitor Cs1-CsnThe cell of (1) is equalized. The high voltage generating circuit 200 of the present invention may have advantages of long life, low power consumption, compact size, low cost, etc.
Third embodiment of high voltage generating circuit
Fig. 3 shows a schematic diagram of a high voltage generation circuit 300 according to a third embodiment of the present invention. As shown in fig. 3, unlike the second embodiment, the high voltage generating circuit 300 of the third embodiment may further include an isolation transformer T on the basis of the high voltage generating circuit 200 of fig. 2. An isolation transformer T is connected between the resonant circuit 40 and the voltage multiplier M. The isolation transformer T has a primary winding W connected to the resonant circuit 401And a secondary winding W connected to the voltage multiplier M2。
The high voltage generating circuit 300 may further include a fifth capacitor CP2. Fifth capacitor CP2Connected in parallel to the secondary winding W of the transformer T2And a voltage multiplier M.
Similarly, the high voltage generating circuit 300 of the present invention can realize high voltage output and each multiplication stage M1-MnSuper capacitor Cs1-CsnThe cell of (1) is equalized. The high voltage generating circuit 300 of the present invention may have advantages of long life, low power consumption, compact size, low cost, etc.
High voltage generation method
Fig. 4 shows a flow diagram of an exemplary high voltage generation method according to an embodiment of the present invention. A high voltage generating method according to an embodiment of the present invention includes the following steps.
As shown in FIG. 4, in step B1, the battery V may be used for exampleinA first DC voltage is provided.
In step B2, the power switch S may be turned on1E.g., a transistor, converts the first direct current voltage to a pulsed voltage.
In step B3, the pulse voltage may be multiplied to a second direct current voltage by a voltage multiplier M including a plurality of super capacitors connected in series. The second DC voltage is higher than the first DC voltage. Therefore, high voltage output can be achieved.
In an alternative embodiment, the high voltage generation method of the present invention may further include step B4 after step B2 and before step B3.
In step B4, the pulse voltage may be converted to a resonant voltage, for example, by the resonant circuit 40 (as shown in fig. 2), and then the process proceeds to step B3. In particular embodiments including step B4, the resonant voltage may be multiplied to a second dc voltage in step B3.
In another alternative embodiment, the high voltage generating method of the present invention may further include step B5 after step B4 and before step B3.
In step B5, the resonant voltage may be converted to a third Alternating Current (AC) voltage, for example, by an isolation transformer T (shown in fig. 3), and then the process proceeds to step B3. In a specific embodiment including step B4 and step B5, in step B3, the third ac voltage may be multiplied to the second dc voltage. The value of the first direct current voltage is lower than the value of the third alternating current voltage, and the value of the third alternating current voltage is lower than the value of the second direct current voltage.
The high voltage generating method of the present invention can realize high voltage output and has low power consumption.
Although the steps of the high voltage generation method according to the embodiment of the present invention are illustrated as functional blocks, the order of the respective functional blocks and the separation of actions between the respective functional blocks illustrated in fig. 4 are not intended to be limiting. For example, various functional blocks may be performed in a different order, and actions associated with one functional block may be combined with one or more other functional blocks or may be subdivided into multiple functional blocks.
While the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that many modifications and variations can be made therein. It is, therefore, to be understood that the appended claims are intended to cover all such modifications and changes as fall within the true spirit and scope of the invention.

Claims (9)

1. A high voltage generation circuit, comprising:
a battery for providing a first direct current voltage;
a first inductor connected in series with the battery;
a power switch for converting the first direct current voltage to a pulsed voltage, the power switch having a first end and a second end that is grounded; and
a voltage multiplier for multiplying the pulsed voltage to a second direct voltage, the second direct voltage being higher than the first direct voltage, wherein the voltage multiplier comprises a plurality of series-connected ultracapacitors,
wherein the power switch is a transistor, a drain of the transistor is used as the first end of the power switch to be connected with the voltage multiplier, a source of the transistor is used as the second end of the power switch to be connected with the voltage multiplier,
the voltage multiplier comprising at least two multiplication stages in cascade, and each of the at least two multiplication stages having a first end, a second end, a third end, and one of the plurality of series-connected ultracapacitors,
for a first multiplier stage, a first terminal and a second terminal of the first multiplier stage are connected to the drain and source of the transistor, respectively; and
for the second to the last multiplication stage, the first and second terminals of any one multiplication stage are connected to the first and third terminals of the previous multiplication stage, respectively, the third terminal of any one multiplication stage is connected to the second terminal of the next multiplication stage, and,
the first terminal of the power switch is connected to the first terminal of each of the at least two multiplier stages, and the second terminal of the power switch is connected to a super-capacitor of a first multiplier stage.
2. The high voltage generation circuit of claim 1, wherein each of the at least two multiplication stages comprises:
a first capacitor and a first diode connected in series between the first terminal and the third terminal;
a second diode connected between a connection point of the first capacitor and the first diode and the second terminal; and
a second capacitor connected between the second terminal and the third terminal, wherein the second capacitor is the supercapacitor.
3. The high voltage generation circuit of claim 1, further comprising:
a resonant circuit connected between the power switch and the voltage multiplier and configured to convert the pulse voltage to a resonant voltage, wherein the voltage multiplier is configured to multiply the resonant voltage to the second direct current voltage.
4. The high voltage generating circuit of claim 3, wherein the resonant circuit comprises:
a first inductor;
a third capacitor connected in parallel with the power switch; and
a fourth capacitor and a second inductor connected in series between the third capacitor and the voltage multiplier.
5. The high voltage generation circuit of claim 4, further comprising:
an isolation transformer connected between the resonant circuit and the voltage multiplier and having a primary winding connected with the resonant circuit and a secondary winding connected with the voltage multiplier.
6. The high voltage generation circuit of claim 5, further comprising:
a fifth capacitor connected in parallel between the secondary winding of the transformer and the voltage multiplier.
7. A high voltage generation method, comprising:
converting the first direct current voltage into a pulse voltage through a power switch; and
multiplying the pulsed voltage to a second direct voltage by a voltage multiplier comprising a plurality of series-connected ultracapacitors, the second direct voltage being higher than the first direct voltage,
wherein the power switch has a first end and a second end connected to ground, the power switch is a transistor, a drain of the transistor is connected to the voltage multiplier as the first end of the power switch, a source of the transistor is connected to the voltage multiplier as the second end of the power switch,
the voltage multiplier comprising at least two multiplication stages in cascade, and each of the at least two multiplication stages having a first end, a second end, a third end, and one of the plurality of series-connected ultracapacitors,
for a first multiplier stage, a first terminal and a second terminal of the first multiplier stage are connected to the drain and source of the transistor, respectively; and
for the second to the last multiplication stages, the first and second terminals of any one multiplication stage are connected to the first and third terminals of the previous multiplication stage, respectively, the third terminal of any one multiplication stage is connected to the second terminal of the next multiplication stage, and
the first terminal of the power switch is connected to the first terminal of each of the at least two multiplier stages, and the second terminal of the power switch is connected to a super-capacitor of a first multiplier stage.
8. The high voltage generation method of claim 7, further comprising:
converting the pulse voltage into a resonant voltage by a resonant circuit, wherein the resonant voltage is multiplied to the second direct current voltage.
9. The high voltage generation method of claim 8, further comprising:
converting the resonant voltage into a third alternating voltage by an isolation transformer, wherein the third alternating voltage is multiplied to the second direct voltage, a value of the first direct voltage is lower than a value of the third alternating voltage, and a value of the third alternating voltage is lower than a value of the second direct voltage.
CN201710590945.7A 2017-07-19 2017-07-19 High voltage generating circuit and method Active CN109286310B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201710590945.7A CN109286310B (en) 2017-07-19 2017-07-19 High voltage generating circuit and method
EP18834510.2A EP3656045A4 (en) 2017-07-19 2018-07-09 High voltage generation circuit and method
PCT/US2018/041242 WO2019018148A1 (en) 2017-07-19 2018-07-09 High voltage generation circuit and method
CA3070394A CA3070394C (en) 2017-07-19 2018-07-09 High voltage generation circuit and method
ARP180101985 AR112511A1 (en) 2017-07-19 2018-07-17 CIRCUIT AND HIGH VOLTAGE GENERATION METHOD

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710590945.7A CN109286310B (en) 2017-07-19 2017-07-19 High voltage generating circuit and method

Publications (2)

Publication Number Publication Date
CN109286310A CN109286310A (en) 2019-01-29
CN109286310B true CN109286310B (en) 2021-03-12

Family

ID=65016577

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710590945.7A Active CN109286310B (en) 2017-07-19 2017-07-19 High voltage generating circuit and method

Country Status (5)

Country Link
EP (1) EP3656045A4 (en)
CN (1) CN109286310B (en)
AR (1) AR112511A1 (en)
CA (1) CA3070394C (en)
WO (1) WO2019018148A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103200755A (en) * 2012-01-06 2013-07-10 通用电气公司 Power generation system, X-ray emitter system and power generation system packaging
CN204538731U (en) * 2015-02-17 2015-08-05 山东明大电器有限公司 A kind of bank of super capacitors equalizer circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19548986C2 (en) * 1995-12-28 1998-02-12 Siemens Ag Circuit arrangement for auxiliary voltage generation
DE10221128A1 (en) * 2002-05-13 2003-12-04 Conti Temic Microelectronic Circuit structure for raising voltage, has a resonance structure for an oscillator voltage and a voltage multiplier rectifier structure for a resonance alternating voltage
CN100483289C (en) * 2006-08-23 2009-04-29 深圳创维－Rgb电子有限公司 Step-up device
TW201328153A (en) * 2011-12-16 2013-07-01 Ind Tech Res Inst Micro-power rectifier and method thereof
JP2014039395A (en) * 2012-08-15 2014-02-27 National Institute Of Advanced Industrial & Technology Semiconductor integrated circuit (energy conversion circuit)
JP6465358B2 (en) * 2015-07-22 2019-02-06 日本蓄電器工業株式会社 Voltage equalization circuit system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103200755A (en) * 2012-01-06 2013-07-10 通用电气公司 Power generation system, X-ray emitter system and power generation system packaging
CN204538731U (en) * 2015-02-17 2015-08-05 山东明大电器有限公司 A kind of bank of super capacitors equalizer circuit

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Single-Switch Multioutput Charger Using Voltage Multiplier for Series-Connected Lithium-Ion Battery/Supercapacitor Equalization";Masatoshi Uno, Koji Tanaka;《IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS》;20130831;3227-3229页 *
" Single and Double-Switch Cell Voltage Equalizers for Series-Connected Lithium-Ion Cells and Supercapacitors";Ahmed Faheem Zobaa, IntechOpen;《Energy Storage》;20130123;21-29页及附图1-7 *
" Supercapacitor-Based Electrical Energy Storage System";Masatoshi Uno;《Energy Storage in the Emerging Era of Smart Grids》;20110922;160-166页及附图11-18 *
Ahmed Faheem Zobaa, IntechOpen." Single and Double-Switch Cell Voltage Equalizers for Series-Connected Lithium-Ion Cells and Supercapacitors".《Energy Storage》.2013, *

Also Published As

Publication number Publication date
EP3656045A1 (en) 2020-05-27
WO2019018148A1 (en) 2019-01-24
CA3070394A1 (en) 2019-01-24
CN109286310A (en) 2019-01-29
AR112511A1 (en) 2019-11-06
EP3656045A4 (en) 2021-04-14
CA3070394C (en) 2022-12-13

Similar Documents

Publication Publication Date Title
Alzahrani et al. A family of scalable non-isolated interleaved DC-DC boost converters with voltage multiplier cells
US7667530B2 (en) Charge pump down circuit and method for the same
JP6085415B2 (en) DC / DC converter cell device, DC / DC converter circuit with feedback capability formed therefrom, and method of operation thereof
US20090085548A1 (en) Converter circuit and method for operating such a converter circuit
WO2013086976A1 (en) Apparatus and method for fractional charge pumps
US8391035B2 (en) Integrated-type high step-up ratio DC-AC conversion circuit with auxiliary step-up circuit
US9369060B2 (en) Power generation system and package
US9882381B2 (en) Photovoltaic inverter
US9236808B1 (en) Parallel resonant converter circuit with current-equalization function
CN101465599A (en) Step-down circuit and method for charge pump
CN107742978B (en) Charge pump circuit with enhancing driving capability
KR101463388B1 (en) Bidirectional semiconductor transformer using voltage doubler circuit structure
CN112910220B (en) Power supply device and electronic apparatus
CN109286310B (en) High voltage generating circuit and method
US8804376B2 (en) DC/DC converter with selectable coupling ratio and power inverter using the same
US20140268962A1 (en) Hybrid dc/ac inverter
CN108233715B (en) Integral voltage doubling rectifying cylinder of extra-high voltage direct current generator
US20190181744A1 (en) Bus converter current ripple reduction
CN104335468A (en) Voltage multiplier
CN104638947A (en) Isolation type alternating current and direct current conversion device and conversion method thereof
CN107592012B (en) Multi-stage multiphase high voltage charge pump for generating high voltage at low voltage by using medium-low voltage device
CN113258800A (en) Bidirectional power supply equipment, power supply control method and device
US8644039B2 (en) Voltage multiplying circuit utilizing no voltage stabling capacitors
CN102170540A (en) Input power supply voltage sampling and shutdown capacitance discharging circuit
Alzahrani Advanced topologies of high-voltage-gain DC-DC boost converters for renewable energy applications

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant