WO2006090674A1 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
- Publication number
- WO2006090674A1 WO2006090674A1 PCT/JP2006/303000 JP2006303000W WO2006090674A1 WO 2006090674 A1 WO2006090674 A1 WO 2006090674A1 JP 2006303000 W JP2006303000 W JP 2006303000W WO 2006090674 A1 WO2006090674 A1 WO 2006090674A1
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- WO
- WIPO (PCT)
- Prior art keywords
- inverter
- voltage
- power
- inv
- circuit
- Prior art date
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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
- H02M7/53871—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 with automatic control of output voltage or current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/49—Combination of the output voltage waveforms of a plurality of converters
-
- 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
- H02M1/0077—Plural converter units whose outputs are connected in series
Definitions
- the present invention relates to a power conversion device that converts DC power into AC power, and more particularly to a power conversion device that is used in a power conditioner or the like that links a distributed power source to a system.
- a distributed power supply that is a solar cell is also boosted using a chiyotsuba, and an inverter of PWM control is inserted in the subsequent stage to output power. AC voltage is generated.
- the DC power output from the solar cell drives the internal control power supply of the power conditioner and enables the internal circuit to operate.
- the internal circuit includes a chiyotsuba circuit and an inverter unit, and the chiyotsuba circuit boosts the voltage of the solar cell to a voltage required to connect to the grid.
- the inverter section is composed of four switch forces and performs PWM switching so that the output current has a phase synchronized with the system voltage. In this way, a strip-shaped waveform is output to the output, and the average voltage of the output is controlled by changing the output time ratio.
- the output voltage is averaged by the smoothing filter provided on the output side, and sent to the system.
- AC power is output (see Non-Patent Document 1, for example).
- Non-Patent Document 1 “Development of Solar Power Conditioner Type KP40F” OMRON TECHNIC S Vol.42 No.2 (Volume 142) 2002
- the present invention has been made to solve the above-described problems, and is a power conversion device that converts the power of direct-current power such as sunlight into alternating current and outputs the alternating current to a system or a load. Therefore, the purpose is to suppress the potential fluctuation on the DC power source side and to improve the conversion efficiency.
- the AC sides of a plurality of single-phase inverters that convert DC power of a DC power source into AC power are connected in series, and a predetermined selected from the plurality of single-phase inverters The output voltage is controlled by the total sum of the generated voltages based on the combination.
- the plurality of single-phase inverters are connected to a first inverter that receives the first DC power source having the maximum voltage among the DC power sources, and to the first terminal on the AC side of the first inverter. Further, it comprises one or more second inverters and one or more third inverters connected to the second terminal on the AC side of the first inverter.
- the total output voltage of the second inverter is approximately equal to the total output voltage of the third inverter.
- the power conversion device includes an inverter connected to the first terminal side on the AC side of the first inverter that receives the first DC power source having the maximum voltage, and a second terminal on the AC side. Since the total output voltage of the inverter connected to the child side is approximately the same, the midpoint potential of the first DC power supply can be made approximately equal to the midpoint potential of the output voltage of the power converter. As a result, the potential fluctuation of the DC bus of the first inverter without increasing the loss can be suppressed, and a highly reliable and efficient power converter can be obtained.
- FIG. 1 is a schematic configuration diagram showing a power conditioner according to a first embodiment of the present invention.
- FIG. 2 is a diagram showing an output voltage waveform of each single-phase inverter according to Embodiment 1 of the present invention.
- FIG. 3 is a schematic configuration diagram showing a power conditioner according to Embodiment 4 of the present invention. 4] A configuration diagram of a bypass circuit according to a fourth embodiment of the present invention.
- FIG. 5 A configuration diagram of another example of the bypass circuit according to the fourth embodiment of the present invention.
- a power converter according to Embodiment 1 of the present invention (hereinafter referred to as a power conditioner) will be described below with reference to the drawings.
- FIG. 1 is a schematic configuration diagram showing a power conditioner according to Embodiment 1 of the present invention.
- multiple (in this case, three) single-phase inverters 2B-INV, 3B-INV, and IB-1 NV are connected in series to connect inverter unit 1 that is a single-phase multiple converter.
- Each single-phase inverter 2B-INV, 3B-INV, 1B-INV is composed of a plurality of self-extinguishing semiconductor switching elements such as IGBTs with diodes connected in antiparallel, and the first DC power supply V is input.
- a DC power source 2 using sunlight as a second DC power source is connected with a switching circuit such as an IGBT (hereinafter referred to as a switch) 3a, a rear tuttle 3b, and a diode 3c.
- a switching circuit such as an IGBT (hereinafter referred to as a switch) 3a, a rear tuttle 3b, and a diode 3c.
- Circuit 3 is installed.
- the chiyotsuba circuit 3 boosts the DC voltage V obtained by the DC power source 2 and charges the smoothing capacitor that becomes the first DC power source V.
- Each single-phase inverter 2B-INV, 3B-INV, IB-INV is a DC of each DC power supply V, V, V
- V ⁇ (2/9) -V the DC power supply for the second and third inverters 1B-INV and 2B-INV
- V and V are equal and the sum of both is equal to or greater than (4Z9) 'V.
- Inverter unit 1 determines the voltage V as a sum total of these generated voltages. Output by adjusting control. This output voltage V is the rear tuttle 6a
- System 5 is assumed to be grounded at midpoint R with a columnar transformer.
- Figure 2 shows the output voltage waveforms of each single-phase inverter 2B-INV, 3B-INV, and 1B-INV.
- the output of the second inverter 1B-INV is equal to the output of the third inverter 2B-INV
- the second and third inverters 1B-INV and 2B-INV are the target output voltage.
- PWM output to compensate for the difference between the output voltage of the first inverter 3 B-INV.
- the rear output 6a of the force output that is controlled to flow current into the system 5 is small, the voltage between the voltage obtained by averaging the output voltage V of the inverter unit 1 and the system voltage difference Can be considered to be almost the same.
- Point X is equal to the intermediate potential of the output voltage V of the power conditioner. Since the output voltage V is almost the same as the system voltage, the intermediate point X of the DC power source V is
- ground potential which is the intermediate potential of 5 (the potential at midpoint R).
- the ground potential can be maintained.
- 3B The positive and negative sides of 3B can maintain a constant DC potential, both at ground potential.
- the solar panel (DC power supply 2) that generates sunlight has a large stray capacitance with respect to the earth, and when the potential of the solar panel 2 fluctuates, the stray capacitance is charged to a large extent. Power that is the current that flows Solar power V DC power generated by boosting V
- the midpoint potential of O 3B can be fixed to the ground potential, the potential fluctuation of the solar panel 2 can be suppressed and the current flowing through the stray capacitance can also be suppressed.
- the direct current o obtained by boosting the solar voltage V by the chopper circuit 3 is used.
- the chopper circuit 3 Can output a voltage higher than the DC voltage V boosted by
- the second inverter 1B-INV force is connected to one of the AC side terminals of the first inverter 3B-INV
- the third inverter 2B-INV is connected to the other, and the second and third inverters 1B- Since the INV and 2B-INV outputs are controlled to be equal, the midpoint potential of the DC power supply V
- the midpoint potential of the DC power supply V When supplying to the grounded system 5, the midpoint potential of the DC power supply V must be grounded.
- the potential fluctuation of the solar panel 2 can be suppressed.
- Each DC power supply V, V, V is connected by DCZDC converter 4 to control each voltage
- each single-phase inverter can also generate a desired output voltage, and the above effect can be obtained efficiently and reliably.
- semiconductor switches Qx and Qy for short-circuiting both terminals on the AC side of the first inverter 3B-INV are provided, and during the period when the output voltage of the first inverter 3B-INV is 0, the semiconductor switch Since Qx and Qy are turned on to bypass the first inverter 3B-INV, the potential fluctuation of the DC power supply V of the first inverter 3B-INV is suppressed. Furthermore, during that period, the first in
- the power conditioner supplies the output power to the system 5.
- the midpoint potential of the DC power supply V is output from the power conditioner.
- the potential fluctuation of the bus can also be suppressed.
- the second and third inverters have the same voltage as the DC power sources V and V.
- the semiconductor switches Q X and Qy may be omitted.
- the output voltage waveforms of the single-phase inverters 2B-INV, 3B-INV, and 1B-INV are the same as those shown in Fig. 2, and the output of the second inverter 1B-INV and the third inverter 2B-INV
- the second and third inverters 1B-INV and 2B-INV which are equal to the INV output, are output to compensate for the difference between the target output voltage and the output voltage of the first inverter 3B-INV.
- the intermediate point X of the DC power supply V of the first inverter 3B-INV is the output of the power conditioner.
- the simultaneous conduction of the semiconductor switches Q31 and Q33 and the simultaneous conduction of the semiconductor switches Q32 and Q34 in the first inverter 3B-INV are alternated.
- the intermediate point X of the DC power supply V of the first inverter 3B-IN V is, on average, the output voltage V of the power conditioner.
- the intermediate point X of the DC power supply V becomes equal to the intermediate potential of the output voltage V of the power conditioner regardless of whether the output voltage of the first inverter 3B-INV is positive or negative or 0.
- the efficiency of the chopper circuit 3 is improved as follows.
- the maximum output voltage required for AC output of 200V is about 282V, and the output voltage V of the inverter unit 1 can output up to V + V + V. For this reason V +
- V + V is about 282V or higher, the power conditioner can output 200V AC. Become capable.
- V + V + V is greater than V, which is the voltage boosted by the chopper circuit 3,
- V force S For example, if the relationship between V, V, and V is 2: 2: 9, it will be 13Z9 times V. That is, V force S
- V + V + V is 282V or higher, which is the condition for AC output.
- V becomes about 195V or more, and a predetermined AC output can be obtained. For this reason, this implementation
- IGBT switch 3a is turned on / off to 195V) and boosted to this voltage V.
- the step-up rate decreases and the efficiency of the chiyotsuba circuit 3 improves.
- the step-up operation is stopped by stopping the T switch 3a, the loss associated with the step-up can be greatly reduced as described above, and a power conditioner with high conversion efficiency can be obtained.
- FIG. 3 is a schematic configuration diagram showing a power conditioner according to Embodiment 4 of the present invention.
- the power conditioner according to this embodiment includes the power conditioner shown in FIG. 1 according to the first embodiment and a binos circuit 7 that bypasses the chopper circuit 3.
- the chiyotsuba circuit 3 boosts the DC voltage V obtained by the DC power source 2 to
- a no-pass circuit 7 including a relay 7a is connected in parallel to the chopper circuit 3.
- the IGBT switch 3a is turned on until the DC voltage (solar voltage) V obtained by the DC power supply 2 serving as an input reaches a predetermined voltage V (195V).
- the relay 7a on the path 7 is closed and a current is passed to the bypass circuit 7 side to bypass the rear tuttle 3b and the diode 3c of the chopper circuit 3.
- the chiyotsuba circuit 3 has an output voltage V
- O ml 3B is boosted so that it has a constant voltage V.
- the efficiency of the chiyotsuba circuit 3 is improved.
- the predetermined voltage V for stopping the boosting operation may be about 195V or more, but lower ml
- a higher voltage can further reduce the loss of the chiyotsuba circuit 3.
- bypassing the reactor 3b and the diode 3c in the chopper circuit 3 that only reduces the loss by stopping the IGBT switch 3a can eliminate the conduction loss of the rear tuttle 3b and the diode 3c.
- the loss in the chiyotsuba circuit 3 is almost eliminated. For this reason, a power conditioner with high conversion efficiency can be obtained.
- the no-pass circuit 7 includes a relay 7a, and bypasses one or both of the rear and rear diodes 3b and 3c connected in series in the chitsuba circuit 3.
- FIG. 4 shows the bypass circuit 7 that bypasses the rear tuttle 3b and the diode 3c by the relay 7a as shown in FIG. 3 of the fourth embodiment.
- Figure 5 shows an alternative bypass circuit 7 that bypasses only diode 3c with relay 7a.
- FIG. 6 shows a bypass circuit 7 according to a second alternative example, in which only the rear tuttle 3b is bypassed by the relay 7a.
- a self-extinguishing semiconductor switch 7b is connected to the relay 7a in parallel. Since the relay 7a is generally opened at zero current or opened at a low voltage, it is difficult to cut off DC current. Thus, by providing the semiconductor switch 7b in parallel, it can be easily cut off. In that case, the semiconductor switch 7b is turned on at the same time as the relay 7a is opened, and the current is transferred to the semiconductor switch 7b. This interrupts the current flowing through relay 7a. After that, the semiconductor switch 7b is turned off.
- the IGBT switch 3a is turned on.
- the relay 7a When the relay 7a is opened, even if a reverse current has already occurred due to a detection delay or the like, it can be reliably cut off by transferring the current to the semiconductor switch 7b.
- the relay 7a can be cut off without providing the semiconductor switch 7b. By providing the semiconductor switch 7b, the relay can be cut off even in the case of an abnormality of the diode 3c.
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- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007504705A JP4527767B2 (ja) | 2005-02-25 | 2006-02-21 | 電力変換装置 |
US11/816,029 US7602626B2 (en) | 2005-02-25 | 2006-02-21 | Power conversion apparatus |
EP06714140.8A EP1852963B1 (en) | 2005-02-25 | 2006-02-21 | Power conversion apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-050697 | 2005-02-25 | ||
JP2005050697 | 2005-02-25 |
Publications (1)
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WO2006090674A1 true WO2006090674A1 (ja) | 2006-08-31 |
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ID=36927314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/303000 WO2006090674A1 (ja) | 2005-02-25 | 2006-02-21 | 電力変換装置 |
Country Status (5)
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US (1) | US7602626B2 (ja) |
EP (1) | EP1852963B1 (ja) |
JP (1) | JP4527767B2 (ja) |
CN (1) | CN100566110C (ja) |
WO (1) | WO2006090674A1 (ja) |
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JP2013537393A (ja) * | 2010-09-09 | 2013-09-30 | カーチス−ライト・エレクトロ−メカニカル・コーポレイション | モジュール式の多電圧値出力変換器装置を制御する装置及び方法 |
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---|---|---|---|---|
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US9407093B2 (en) | 2007-08-22 | 2016-08-02 | Maxout Renewables, Inc. | Method for balancing circuit voltage |
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US20240178741A1 (en) * | 2022-11-30 | 2024-05-30 | Infineon Technologies Austria Ag | Power converter having a solid-state transformer and a half bridge converter stage for each isolated dc output of the solid-state transformer |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19635606A1 (de) | 1996-09-02 | 1998-03-05 | Werner Prof Dr Ing Kleinkauf | Vorrichtung zur Erzeugung einer höheren Wechselspannung aus mehreren niedrigeren Gleichspannungen und dafür geeigneter Bausatz |
JP2000228883A (ja) * | 1999-02-04 | 2000-08-15 | Fuji Electric Co Ltd | 電力変換装置 |
US6556461B1 (en) | 2001-11-19 | 2003-04-29 | Power Paragon, Inc. | Step switched PWM sine generator |
JP2003219659A (ja) * | 2002-01-17 | 2003-07-31 | Matsushita Electric Ind Co Ltd | 電力変換装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5179508A (en) * | 1991-10-15 | 1993-01-12 | International Business Machines Corp. | Standby boost converter |
SE503374C2 (sv) * | 1994-11-15 | 1996-06-03 | Asea Brown Boveri | Förfarande och anordning för styrning av en i en anläggning för överföring av högspänd likström ingående seriekompenserad strömriktarstation |
WO1999041828A1 (en) * | 1998-02-13 | 1999-08-19 | Wisconsin Alumni Research Foundation | Hybrid topology for multilevel power conversion |
US6320767B1 (en) * | 1998-12-18 | 2001-11-20 | Kabushiki Kaisha Toshiba | Inverter apparatus |
US6317347B1 (en) * | 2000-10-06 | 2001-11-13 | Philips Electronics North America Corporation | Voltage feed push-pull resonant inverter for LCD backlighting |
JP4364528B2 (ja) * | 2002-03-01 | 2009-11-18 | コダック グラフィック コミュニケーションズ カナダ カンパニー | 処理パラメータの自動制御のための設備を有する処理ユニット |
JP2005039931A (ja) * | 2003-07-14 | 2005-02-10 | Toshiba Consumer Marketing Corp | 系統連系インバータ装置 |
US7274116B2 (en) * | 2003-08-05 | 2007-09-25 | Matsushita Electric Industrial Co., Ltd. | direct-current power supply and battery-powered electronic apparatus equipped with the power supply |
EP2464000A3 (en) * | 2005-02-25 | 2017-08-30 | Mitsubishi Denki Kabushiki Kaisha | Power conversion apparatus |
JP4811917B2 (ja) * | 2005-12-27 | 2011-11-09 | 三菱電機株式会社 | 電力変換装置 |
US7485987B2 (en) * | 2006-02-23 | 2009-02-03 | Mitsubishi Denki Kabushiki Kaisha | Power converting device |
-
2006
- 2006-02-21 WO PCT/JP2006/303000 patent/WO2006090674A1/ja active Application Filing
- 2006-02-21 CN CNB2006800060769A patent/CN100566110C/zh not_active Expired - Fee Related
- 2006-02-21 JP JP2007504705A patent/JP4527767B2/ja not_active Expired - Fee Related
- 2006-02-21 US US11/816,029 patent/US7602626B2/en active Active
- 2006-02-21 EP EP06714140.8A patent/EP1852963B1/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19635606A1 (de) | 1996-09-02 | 1998-03-05 | Werner Prof Dr Ing Kleinkauf | Vorrichtung zur Erzeugung einer höheren Wechselspannung aus mehreren niedrigeren Gleichspannungen und dafür geeigneter Bausatz |
JP2000228883A (ja) * | 1999-02-04 | 2000-08-15 | Fuji Electric Co Ltd | 電力変換装置 |
US6556461B1 (en) | 2001-11-19 | 2003-04-29 | Power Paragon, Inc. | Step switched PWM sine generator |
JP2003219659A (ja) * | 2002-01-17 | 2003-07-31 | Matsushita Electric Ind Co Ltd | 電力変換装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1852963A4 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010086929A1 (ja) | 2009-01-29 | 2010-08-05 | 三菱電機株式会社 | 電力変換装置 |
US8649196B2 (en) | 2009-01-29 | 2014-02-11 | Mitsubishi Electric Corporation | Power converting apparatus with an output voltage that is the sum of voltages generated by individual inverters |
WO2011033698A1 (ja) * | 2009-09-16 | 2011-03-24 | 三菱電機株式会社 | 電力変換装置 |
US8861235B2 (en) | 2009-09-16 | 2014-10-14 | Mitsubishi Electric Corporation | Power converting apparatus |
JP2012010532A (ja) * | 2010-06-28 | 2012-01-12 | Mitsubishi Electric Corp | 電力変換装置 |
JP2013537393A (ja) * | 2010-09-09 | 2013-09-30 | カーチス−ライト・エレクトロ−メカニカル・コーポレイション | モジュール式の多電圧値出力変換器装置を制御する装置及び方法 |
KR101776984B1 (ko) * | 2010-09-09 | 2017-09-08 | 벤쇼, 인코포레이티드 | 모듈러 멀티레벨 컨버터 시스템을 제어하는 시스템 및 방법 |
CN102638045A (zh) * | 2011-02-12 | 2012-08-15 | 中国人民解放军总后勤部建筑工程研究所 | 具有负载自适应功能的模块式并联逆变系统及控制方法 |
CN102638045B (zh) * | 2011-02-12 | 2014-11-19 | 中国人民解放军总后勤部建筑工程研究所 | 具有负载自适应功能的模块式并联逆变系统及控制方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4527767B2 (ja) | 2010-08-18 |
US20090015071A1 (en) | 2009-01-15 |
US7602626B2 (en) | 2009-10-13 |
EP1852963B1 (en) | 2016-04-06 |
CN101128974A (zh) | 2008-02-20 |
EP1852963A4 (en) | 2011-03-09 |
CN100566110C (zh) | 2009-12-02 |
EP1852963A1 (en) | 2007-11-07 |
JPWO2006090674A1 (ja) | 2008-07-24 |
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