CN112350609A - Delta rectifier design related to energy router topological structure - Google Patents
Delta rectifier design related to energy router topological structure Download PDFInfo
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- CN112350609A CN112350609A CN202011414323.7A CN202011414323A CN112350609A CN 112350609 A CN112350609 A CN 112350609A CN 202011414323 A CN202011414323 A CN 202011414323A CN 112350609 A CN112350609 A CN 112350609A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 10
- 239000000306 component Substances 0.000 claims description 5
- 239000008358 core component Substances 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 238000005457 optimization Methods 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 3
- 235000010650 Hyssopus officinalis Nutrition 0.000 description 2
- 240000001812 Hyssopus officinalis Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
- H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
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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
- H02M3/22—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
- H02M3/33569—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 having several active switching elements
- H02M3/33576—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
The invention relates to the field of three-phase electric energy conversion, in particular to a novel direct current source rectifying circuit (DCSR), which is mainly characterized in that an input end adopts a triangular three-phase power supply, namely delta connection, compared with a common three-phase rectifier. In the development of the current power grid, under the conditions of alternating current and direct current mixed connection and different voltage grade requirements, the traditional power grid system cannot adapt to the requirements of the energy Internet, and the novel multi-port energy router is one of key supporting devices of the energy Internet.
Description
Technical Field
The invention relates to the field of three-phase electric energy conversion, in particular to a delta rectifier design related to an energy router topological structure.
Background
The rectification technology is a technology for converting direct current converted from new energy sources such as solar energy and the like into alternating current, the inversion technology is widely applied to various industries along with the rapid development of power electronic technology, and particularly, the development and utilization of the new energy sources are more and more emphasized by people along with the increasing shortage of main energy sources such as petroleum, coal, natural gas and the like. The energy router is used as a core device of an energy internet and is concerned about effective consumption of renewable resources and safe and reliable operation of a power grid.
The rectifier is an important component of the whole current transformation, and the energy router is a core device of the whole electric energy internet, so that the quality of the performance of the energy router directly influences the quality of electric energy and the operation safety of a power grid.
Disclosure of Invention
The invention mainly provides a delta rectifier design related to an energy router topological structure, the delta rectifier can be directly applied to a power grid, the conduction loss of a low direct current source is realized, and meanwhile, a novel energy router can provide better electric energy quality and higher power grid operation safety.
The design of the invention is mainly realized by the following technical scheme: a delta rectifier related to an energy router topological structure mainly comprises a grid driver, an IGBT module, an H-bridge module, an MMC structure, a DAB structure, a resistor R, an inductor L, a capacitor C, a transformer module and a DC/DC converter. The gate driver is connected with the IGBT and is used for driving a signal source of the IGBT; the IGBT module is mainly used for forming a bridge arm of the delta rectifier; the H-bridge module is mainly provided with two IGBTs which are connected in series, and a capacitor C is added at two ends of each IGBT to form a main structure of the input stage of the energy router; the MMC structure is suitable for high voltage grades, and simultaneously has both electric energy quality and conversion efficiency; the DAB structure is an electrical isolation structure of an energy router formed by taking a DC/DC converter module as a core component; the transformer module is an important component forming an energy router; the DC/DC converter is an important component of the DAB architecture.
As a further optimization of the present invention, the present invention is a delta rectifier design for energy router topology, said gate driver using UCC27712, which is a 620V high and low side gate driver, 1.8A source, 2.8A sink current, with the goal of driving power MOSFETs or IGBTs; the device has the characteristics of fast propagation delay, good delay matching among channels and the like.
As further optimization of the invention, the invention relates to a delta rectifier design of an energy router topological structure, wherein 18 IGBTs are adopted by an IGBT module to be in half-bridge connection to form a rectifying part of the delta rectifier, a capacitor C1 is used at a direct current side, and each bridge arm is composed of a diode and an IGBT. Two capacitors connected in series and above are used to form an H bridge.
As a further optimization of the invention, the invention relates to a delta rectifier design of an energy router topological structure, wherein an H-bridge module adopts a half-bridge structure formed by connecting two capacitors in series in parallel by an IGBT module,
the invention relates to a design of a delta rectifier of an energy router topological structure as further optimization of the invention, wherein the MMC structure is formed by connecting N H-bridge modules on a three-phase bridge arm of a, b and c in series, and the number of the H-bridge modules is determined by voltage grade. And the equivalent loss resistance and the filter inductance are added on the upper bridge arm and the lower bridge arm of each phase, compared with the prior structure, the structure uses fewer filters, but has faster overall operation speed and higher power quality and lower requirement on the voltage-resistant level of semiconductor equipment. In addition, the input stage can be effectively adjusted at the control level to realize unit power factor or constant power factor operation.
As a further optimization of the present invention, the present invention is a delta rectifier design for energy router topology, the DAB structure is composed of a single phase bridge rectifier composed of IGBTs and transformer modules. Compared to other DC/DC converters. DAB has stronger power transmission capability and has the characteristics of modular symmetrical structure, bidirectional tide operation, quick dynamic response, easy realization of soft switching and the like.
As a further optimization of the present invention, the present invention is a delta rectifier design with respect to energy router topology, the transformer module described employs HY 601742E.
As a further optimization of the present invention, the present invention is a delta rectifier design for energy router topology, the DC/DC converter employs TPS54202, which is a small, high efficiency, low EMI DC/DC module, saving volume and cost, since no heat sink is needed; using the same input current, the TPS54202 as a power converter can provide higher output current and lower power consumption at full load, low load and standby operation.
Drawings
Fig. 1 is a schematic diagram of a delta rectifier design for a delta rectifier with respect to an energy router topology of the present invention.
Fig. 2 is a schematic diagram of an energy router topology of a delta rectifier design of the present invention with respect to the energy router topology.
Detailed description of the invention
The implementation method of the design is described with reference to fig. 1 and 2: the delta rectifier related to the topological structure of the energy router mainly comprises a grid driver, an IGBT module, an H-bridge module, an MMC structure, a DAB structure, a resistor R, an inductor L, a capacitor C, a transformer module and a DC/DC converter.
The gate driver adopts UCC27712 which is a 620V high-voltage side and low-voltage side gate driver, a 1.8A source and a 2.8A convergence current, and aims to drive an IGBT module; it includes the protection function, when the input keeps the opening state or when not meeting the minimum input pulse width standard, the output keeps the low level, interlock and dead zone function prevent from opening two outputs at the same time, it adopts the latest high-voltage apparatus technology, it has good noise and transient immunity, including the input end is great to the negative voltage tolerance, high dV/dt tolerance, greater Negative Transient Safe Operating Area (NTSOA) and interlock on the switch node; the device consists of a terrestrial reference channel (LO) and a float channel (HO) that is used to guide or isolate the power supply.
The H bridge and the MMC structure jointly form an input stage circuit of the energy router, the VSM is a control method, the VSM is a virtual synchronous machine, namely the MMC structure is simplified and is equivalent to a synchronous motor, and the direct current side of the MMC is equivalent to the mechanical load of the synchronous motor.
The DAB structure mainly enables the upper-level voltage to flexibly meet the voltage requirement of the lower level through reasonable serial-parallel connection, and the main mode comprises ISOS and ISOP. ISOS (input-series output) series connection; ISOP is the input-series output-parallel connection. Different voltage grade requirements can be met by mixing the two modes.
The DC/DC buck converter described therein employs the TPS54202, which is connected to the microcontroller and provides it with a voltage of 3.3V, as a buck converter, which can provide higher output current and lower power consumption at full load, low load and standby operation.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A delta rectifier related to an energy router topological structure mainly comprises a grid driver, an IGBT module, an H-bridge module, an MMC structure, a DAB structure, a resistor R, an inductor L, a capacitor C, a transformer module and a DC/DC converter; the gate driver is connected with the IGBT and is used for driving a signal source of the IGBT; the IGBT module is mainly used for forming a bridge arm of the delta rectifier; the H-bridge module is mainly provided with two IGBTs which are connected in series, and a capacitor C is added at two ends of each IGBT to form a main structure of the input stage of the energy router; the MMC structure is suitable for high voltage grades, and simultaneously has both electric energy quality and conversion efficiency; the DAB structure is an electrical isolation structure of an energy router formed by taking a DC/DC converter module as a core component; the transformer module is an important component forming an energy router; the DC/DC converter is an important component of the DAB architecture.
2. The delta rectifier design for energy router topology as set forth in claim 1, wherein said gate driver employs UCC 27712.
3. The delta rectifier design for an energy router topology of claim 1, wherein: the IGBT module adopts two capacitors which are connected in series and are connected in parallel to form an H bridge, and adopts 18 IGBT modules to form a rectifying part circuit of a delta rectifier.
4. The delta rectifier design for an energy router topology of claim 1, wherein: the H-bridge module is a half-bridge structure formed by connecting two capacitors in series in parallel by an IGBT module.
5. The delta rectifier design in energy router topology according to claim 1, characterized by: the MMC structure is formed by connecting N H-bridge modules on a three-phase bridge arm of a, b and c in series, and the number of the H-bridge modules is determined by the voltage grade.
6. The delta rectifier design for an energy router topology of claim 1, wherein: the DAB structure is composed of a single-phase bridge rectifier composed of IGBTs and a transformer module.
7. The delta rectifier design for an energy router topology of claim 1, wherein: the transformer module adopts HY 601742E.
8. The delta rectifier design for an energy router topology of claim 1, wherein: the DC/DC converter adopts TPS 54202.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011414323.7A CN112350609A (en) | 2020-12-07 | 2020-12-07 | Delta rectifier design related to energy router topological structure |
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| CN202011414323.7A CN112350609A (en) | 2020-12-07 | 2020-12-07 | Delta rectifier design related to energy router topological structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017638A (en) * | 2017-05-23 | 2017-08-04 | 杭州电子科技大学 | A kind of many bus electric energy router topological structures of multiport suitable for power distribution network |
| CN107370396A (en) * | 2017-08-16 | 2017-11-21 | 南通鑫源电器制造有限公司 | A kind of electric power electric transformer and its voltage-transforming method of tandem mesohigh power network |
| CN107910872A (en) * | 2017-10-27 | 2018-04-13 | 东南大学 | A kind of dynamic electric voltage recovery device compound circuit and control method based on solid-state transformer |
| CN110336320A (en) * | 2019-07-10 | 2019-10-15 | 上海交通大学 | A kind of new-energy grid-connected or on-site elimination system based on electric energy router |
| CN111900884A (en) * | 2020-07-13 | 2020-11-06 | 安徽和光电气设备有限公司 | Power electronic transformation equipment of direct current distribution network and control method thereof |
| CN213959968U (en) * | 2020-12-07 | 2021-08-13 | 哈尔滨理工大学 | Delta rectifier related to energy router topological structure |
-
2020
- 2020-12-07 CN CN202011414323.7A patent/CN112350609A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017638A (en) * | 2017-05-23 | 2017-08-04 | 杭州电子科技大学 | A kind of many bus electric energy router topological structures of multiport suitable for power distribution network |
| CN107370396A (en) * | 2017-08-16 | 2017-11-21 | 南通鑫源电器制造有限公司 | A kind of electric power electric transformer and its voltage-transforming method of tandem mesohigh power network |
| CN107910872A (en) * | 2017-10-27 | 2018-04-13 | 东南大学 | A kind of dynamic electric voltage recovery device compound circuit and control method based on solid-state transformer |
| CN110336320A (en) * | 2019-07-10 | 2019-10-15 | 上海交通大学 | A kind of new-energy grid-connected or on-site elimination system based on electric energy router |
| CN111900884A (en) * | 2020-07-13 | 2020-11-06 | 安徽和光电气设备有限公司 | Power electronic transformation equipment of direct current distribution network and control method thereof |
| CN213959968U (en) * | 2020-12-07 | 2021-08-13 | 哈尔滨理工大学 | Delta rectifier related to energy router topological structure |
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