CN2684451Y - A high voltage bridge arm with multiple electric semiconductors in series connection with multiple windings alternately - Google Patents
A high voltage bridge arm with multiple electric semiconductors in series connection with multiple windings alternately Download PDFInfo
- Publication number
- CN2684451Y CN2684451Y CNU2004200151037U CN200420015103U CN2684451Y CN 2684451 Y CN2684451 Y CN 2684451Y CN U2004200151037 U CNU2004200151037 U CN U2004200151037U CN 200420015103 U CN200420015103 U CN 200420015103U CN 2684451 Y CN2684451 Y CN 2684451Y
- Authority
- CN
- China
- Prior art keywords
- inverter
- brachium pontis
- rectifier
- winding
- bridge arm
- 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.)
- Expired - Fee Related
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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
- 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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
Abstract
The utility model discloses a high voltage bridge arm of high-voltage power electronic device, which comprises multiple(more than two) inverters or rectifiers(both of which are connected with a capacitor in parallel) having more than one power semiconductors on each upper and lower bridge arm. The inverters or rectifiers are alternately connected in series according to the positive electrode and the negative electrode. The output of each inverter or the input of each rectifier is connected with windings in coupling association of a same iron core magnetic field. The connections of the terminal of each winding and the wire connecting terminal in the middle of the upper and lower bridge arm of each inverter or rectifier are same in one-to-one correspondence. Each inverter or rectifier is simultaneously broken over and cut out with the power semiconductor at the position of the upper bridge arm or the lower bridge arm. At a plurality of instant, a high-voltage bridge arm is formed from the path of the electric current from the positive to the negative. The high-voltage problem in the field of power electronics can be treated as the simplified low-voltage problem. The requirements of consistency of high-frequency power semiconductor switch in series is largely reduced. The utility model provides more time for detection of protective circuit and action.
Description
(1) technical field:
The utility model relates to the widely used high-voltage bridge arms of power electronic technology industry.
(2) background technology:
For the high-frequency power electronic technology, compole is short during power semiconductor switches, has only the microsecond level.Generally speaking, it is not high that the High frequency power semiconductor is withstand voltage, mostly below 2000 volts.So very difficulty and complicated is just used in the required semi-conductive series connection of High frequency power of high-tension electricity electronic technology, this be because, compole is short during the High frequency power semiconductor switch, has only the microsecond level, the inconsistency of switching time, and the overvoltage that causes because of di/dt of loop inductance, in the time of can causing opening, after the electric semiconductor opened and the electric semiconductor that turn-offs earlier when turn-offing to bear voltage too high and damage.So early stage various dissimilar high voltage converters are all complicated, cost is high, failure rate is high and efficient is low.
In recent years, Jia Ling company in Chengdu produced the high voltage converter based on the direct series connection of IGBT of " a kind of series power-switch bridge of energy automatically equalizing voltage " patent (ZL 01247211.5) technology of president Wu Jialin, and technology has greatly improved.
Compared with high voltage converter, low voltage frequency converter is simple, technology maturation is a lot.
In transformer, alternating current machine field, high pressure, low pressure can be changed mutually, and a high pressure winding is divided into several sub-windings by the number of turn, and then the voltage at each sub-winding two ends is some/one of original winding.Conversely, several sub-windings also can be connected into a high pressure winding, as long as the power supply of each sub-winding is with a kind of power supply, and the voltage of each sub-winding superposes.For example, the winding of high voltage motor is divided into N winding by the number of turn, and the terminal of N winding is all extracted, by original head and the tail, original connected mode, the logical 1/N that original voltage, this has just become and the duplicate low-tension motor of original high-tension motor.Under the prerequisite of withstand voltage assurance, vice-versa.Transformer is also similar.
(3) content of utility model:
The purpose of this utility model is exactly to utilize the principle of changing mutually in transformer, alternating current machine field high pressure, low pressure, and the high-voltage problem of electric and electronic technical field is reduced to the low pressure issue handling.Specifically be exactly, the inverter of the individual electric semiconductor of M (M greater than, equal 1) or rectifier (each inverter, rectifier all and an electric capacity) respectively arranged, be connected in series successively by positive and negative electrode is alternate by each upper and lower brachium pontis of N (N greater than, equal 2).The output of each inverter or the input of rectifier connect the related winding of same core field coupling, terminal R1, the R2---RN of each winding, S1, S2---SN, T1, T2---TN and each inverter or the upper and lower brachium pontis intermediate connection of rectifier terminal U1, U2---UN, V1, V2---VN, the connection of W1, W2---WN is corresponding one by one, identical, promptly R1 to U1, R2 to U2----RN to UN, S1 to V1, S2 to V2---SN to VN, T1 to W1, T2 to W2---TN to WN.Each inverter or rectifier mutually the same brachium pontis position or the electric semiconductor conducting simultaneously or the shutoff of brachium pontis position down, A11, A12---A1M, A21, A22---A2M------AN1, AN2---ANM are mutually the same brachium pontis position, B11, B12---B1M, B21, B22---B2M------BN1, BN2-------BNM are mutually the same brachium pontis position,--------, F11, F12------F1M, F21, F22-------F2M, FN1, FN2------FNM are identical brachium pontis position down.To inverter, in certain moment, electric current flows through M the electric semiconductor that first inverter is organized a brachium pontis from positive pole, flows through first winding, flows through M electric semiconductor of another brachium pontis of group under first inverter, then, flow through M electric semiconductor of a brachium pontis of group on second inverter, flow through second winding, flow through M electric semiconductor of another brachium pontis of group under second inverter, up to the N group, arrive negative pole at last.Thereby constituted alternately the connect high-voltage bridge arms of a plurality of windings of one of them a plurality of electric semiconductor.To rectifier, current direction is opposite with inverter.Each inverter, rectifier all and electric capacity be connected a winding; constituted a complete confession power unit; permit breaking away from whole system in the short time and working alone; and the voltage that is added in the electric semiconductor of each inverter, rectifier can not suddenly change; this greatly reduces the conforming requirement of series connection power semiconductor switches, also for protection circuit detects, action provides more time.M is generally 1, in order to reduce the number of leads of high-voltage inverter output, rectifier input, is taking into account under the prerequisite of reliability, and the electric semiconductor quantity M of the upper and lower brachium pontis of each inverter, rectifier can be for more than 1.
Below in conjunction with drawings and Examples the utility model is described further.
(4) description of drawings:
Figure one the utility model is at the application schematic diagram of high-voltage inverter
The high voltage converter schematic diagram of the IGBT that figure two directly connects
(5) embodiment:
Utilize the utility model just can be the direct high-voltage inverter of X IGBT of series connection of figure two, make into figure one by individual each the upper and lower brachium pontis of N (N greater than, equal 2) respectively have M (M greater than, equal 1, the low pressure inverter of individual IGBT of N * M=X) (each inverter all and an electric capacity) is connected in series successively by positive and negative electrode is alternate, and each inverter drives a high pressure winding by the winding of the number of turn after by branches such as N.This just drives high voltage converter, and high-tension motor has become simply, low voltage frequency converter drives low-tension motor reliably.The form that figure two is directly connected, at certain in a flash, electric current flows through X IGBT of group one brachium pontis from positive pole, flow through a high pressure winding, flow through X IGBT of another brachium pontis of group down again, arrive negative pole at last, for example, electric current is from positive pole---A1---A2-------AX---U---R---S---V---E1---E2-------EX---negative pole.Figure one is replaced the form of series connection, at certain in a flash, electric current flows through first inverter NB1 group one brachium pontis M IGBT from positive pole, flow through first winding RZI, flow through first inverter NB1 M IGBT of another brachium pontis of group down, then, flow through second inverter NB2 and go up group one a brachium pontis M IGBT, flow through second winding RZ2, flow through second inverter NB2 M IGBT of another brachium pontis of group down, organize up to N, arrive negative pole at last, for example, electric current is from positive pole, and----------E1M---A21---A22--------A2M---U2---R2---S2---V2---E21---E 22--------E2M----------AN1---AN2--------ANM----UN---RN---SN---VN---EN1---EN2--------ENM----negative pole has constituted alternately the connect high-voltage bridge arms of a plurality of windings of one of them a plurality of IGBT to A11---A12------A1M--------U1---R1---S1---V1---E11---E1--.On the surface; both forms are the same; but alternately every group of inverter of series connection all and an electric capacity is arranged and be connected a winding; constituted a complete confession power unit; permit breaking away from whole system in the short time and working alone; and the voltage that is added in the IGBT of every group of inverter can not suddenly change, and this greatly reduces the conforming requirement of whole high-voltage inverter series IGBT switch, also for protection circuit detects, action provides more time.
More than be the inversion process, switching process also is similar conversely.
Claims (4)
1, a kind of a plurality of electric semiconductors that are used for high-tension electricity electronic installation high-voltage bridge arms of a plurality of windings of alternately connecting, it is characterized in that respectively having the inverter or the rectifier of the individual electric semiconductor of M (M greater than, equal 1) by each upper and lower brachium pontis of N (N greater than, equal 2), be connected in series successively by positive and negative electrode is alternate, the output of each inverter or the input of rectifier connect a winding; To inverter, certain immediate current flows through M electric semiconductor of a brachium pontis of first inverter group from positive pole, flow through first winding, flow through M electric semiconductor of another brachium pontis of group under first inverter, then, flow through M electric semiconductor of a brachium pontis of group on second inverter, flow through second winding, flow through M electric semiconductor of another brachium pontis of group under second inverter,, arrive negative pole at last up to the N group.Thereby constitute alternately the connect high-voltage bridge arms of a plurality of windings of one of them a plurality of electric semiconductor; To rectifier, current direction is opposite with inverter.
2, a plurality of electric semiconductor as claimed in claim 1 high-voltage bridge arms of a plurality of windings of alternately connecting, the positive and negative electrode two ends that it is characterized in that a described N inverter, rectifier are all and an electric capacity.
3, a plurality of electric semiconductor as claimed in claim 1 high-voltage bridge arms of a plurality of windings of alternately connecting, it is related to it is characterized in that described winding all passes through same iron core coupling, the connection of binding post R1, the R2---RN of each winding, S1, S2---SN, T1, T2---TN and each inverter or the upper and lower brachium pontis intermediate connection of rectifier terminal U1, U2---UN, V1, V2---VN, W1, W2---WN is corresponding one by one, identical, be R1 to U1, R2 to U2----RN to UN, S1 to V1, S2 to V2---SN to VN, T1 to W1, T2 to W2---TN to WN.
4, alternately the connect high-voltage bridge arms of a plurality of windings of a plurality of electric semiconductor as claimed in claim 1, it is characterized in that described electric semiconductor is in inverter or rectifier mutually the same brachium pontis position or all conducting simultaneously or the shutoff of brachium pontis position down, A11, A12---A1M, A21, A22---A2M------AN1, AN2---ANM is mutually the same brachium pontis position, B11, B12---B1M, B21, B22---B2M------BN1, BN2------BNM is mutually the same brachium pontis position,------, F11, F12------F1M, F21, F22-------F2M, FN1, FN2------FNM is identical brachium pontis position down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200151037U CN2684451Y (en) | 2004-01-18 | 2004-01-18 | A high voltage bridge arm with multiple electric semiconductors in series connection with multiple windings alternately |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200151037U CN2684451Y (en) | 2004-01-18 | 2004-01-18 | A high voltage bridge arm with multiple electric semiconductors in series connection with multiple windings alternately |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2684451Y true CN2684451Y (en) | 2005-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200151037U Expired - Fee Related CN2684451Y (en) | 2004-01-18 | 2004-01-18 | A high voltage bridge arm with multiple electric semiconductors in series connection with multiple windings alternately |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2684451Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386853A (en) * | 2011-08-10 | 2012-03-21 | 清华大学 | Optical fiber isolating multi-tube serial high-voltage amplifier and application method thereof |
| CN102801134A (en) * | 2012-08-09 | 2012-11-28 | 郭高朋 | Power electronic circuit capable of blocking high voltage and control method thereof |
| CN108521845A (en) * | 2015-12-16 | 2018-09-11 | 株式会社明电舍 | Resonant load power inverter and time cutting operation method for resonant load power inverter |
-
2004
- 2004-01-18 CN CNU2004200151037U patent/CN2684451Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386853A (en) * | 2011-08-10 | 2012-03-21 | 清华大学 | Optical fiber isolating multi-tube serial high-voltage amplifier and application method thereof |
| CN102801134A (en) * | 2012-08-09 | 2012-11-28 | 郭高朋 | Power electronic circuit capable of blocking high voltage and control method thereof |
| CN108521845A (en) * | 2015-12-16 | 2018-09-11 | 株式会社明电舍 | Resonant load power inverter and time cutting operation method for resonant load power inverter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |