SG10201903086XA - Dual Voltage And Current Loop Linearization Control and Voltage Balancing Control For Solid State Transformer - Google Patents

Dual Voltage And Current Loop Linearization Control and Voltage Balancing Control For Solid State Transformer

Info

Publication number
SG10201903086XA
SG10201903086XA SG10201903086XA SG10201903086XA SG 10201903086X A SG10201903086X A SG 10201903086XA SG 10201903086X A SG10201903086X A SG 10201903086XA SG 10201903086X A SG10201903086X A SG 10201903086XA
Authority
SG
Singapore
Prior art keywords
dab
current
voltage
total
modules
Prior art date
Application number
Inventor
Shuyu Cao
Brihadeeswara Sriram Vaisambhayana
Tripathi Anshuman
Fengjiao Cui
Abishek Sethupandi
Dehghani Tafti Hossein
Original Assignee
Univ Nanyang Tech
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 Univ Nanyang Tech filed Critical Univ Nanyang Tech
Publication of SG10201903086XA publication Critical patent/SG10201903086XA/en

Links

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
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
    • H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
    • H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
    • H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
    • 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
    • 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
    • H02M1/0003—Details of control, feedback or regulation circuits
    • 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
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0083—Converters characterised by their input or output configuration
    • H02M1/0093—Converters characterised by their input or output configuration wherein the output is created by adding a regulated voltage to or subtracting it from an unregulated input
    • 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
    • H02M1/36—Means for starting or stopping 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
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
    • H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
    • H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
    • H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • 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

Landscapes

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

Abstract

DUAL VOLTAGE AND CURRENT LOOP LINEARIZATION CONTROL AND VOLTAGE BALANCING CONTROL FOR SOLID STATE TRANSFORMER 5 This invention relates to a method of controlling a Solid State Transformer (SST). The method comprises dividing a dual active bridge (DAB) power reference on a Low Voltage (LV) side Direct Current (DC) link voltage to obtain a total DAB reference current; dividing the total DAB current reference by N number of DAB modules to obtain a reference current for each DAB module; in response to SST being in a normal power 10 regulation, determining a deviation of a capacitor voltage at the HV side of each of a k DAB modules with reference from an average voltage from the HV DC bus; determining a current adjustment signal for each of the k DAB modules based on the total DAB reference current and a corresponding deviation of the capacitor voltage of each of the k DAB modules; adding a saturated current adjustment signal together with the reference 15 current for each of the k DAB modules to obtain a total current reference for each of the k DAB modules; and subtracting a sum of the total current reference of each of the k DAB modules from the total DAB reference current to determine a total current reference for an Nth DAB module. 20 Figure 7 to accompany the abstract
SG10201903086X 2018-04-05 2019-04-05 Dual Voltage And Current Loop Linearization Control and Voltage Balancing Control For Solid State Transformer SG10201903086XA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG10201802869Q 2018-04-05

Publications (1)

Publication Number Publication Date
SG10201903086XA true SG10201903086XA (en) 2019-11-28

Family

ID=68097459

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201903086X SG10201903086XA (en) 2018-04-05 2019-04-05 Dual Voltage And Current Loop Linearization Control and Voltage Balancing Control For Solid State Transformer

Country Status (2)

Country Link
US (1) US10554144B2 (en)
SG (1) SG10201903086XA (en)

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JP6721097B2 (en) * 2018-09-27 2020-07-08 ダイキン工業株式会社 Direct power converter, controller
CN110504688B (en) * 2019-08-12 2020-12-29 上海交通大学 Solid-state transformer with alternating current and direct current fault uninterrupted operation capability and control method
US11152918B1 (en) * 2019-10-16 2021-10-19 National Technology & Engineering Solutions Of Sandia, Llc Low modulation index 3-phase solid state transformer
JP7433924B2 (en) * 2020-01-20 2024-02-20 株式会社東芝 Power converters and substation power supplies
CN111800001A (en) * 2020-04-28 2020-10-20 西安许继电力电子技术有限公司 Voltage-sharing device and voltage-sharing method for bus capacitor on serial side of direct-current transformer
CN111509830B (en) * 2020-04-29 2021-09-03 南京理工大学 Topological structure of miniature photovoltaic/energy storage intelligent power station
CN111478579A (en) * 2020-05-20 2020-07-31 深圳威迈斯新能源股份有限公司 EMC filter control circuit and method
CN111585333B (en) * 2020-06-15 2022-05-24 阳光电源股份有限公司 Energy control method and energy storage system
US11837962B2 (en) * 2020-07-10 2023-12-05 Uti Limited Partnership Control system and method for dual active bridge DC/DC converters
CN112421977A (en) * 2020-09-30 2021-02-26 南洋电力设备有限公司 Independent capacitor voltage control method of three-level converter
CN112421602B (en) * 2020-11-11 2023-09-01 上海交通大学 DC transformer with true bipolar off-grid operation capability and control method
KR102619173B1 (en) * 2020-12-21 2024-01-03 현대모비스 주식회사 Large capacity bidirectional insulating DC-DC converter and its control method
CN112737386A (en) * 2020-12-31 2021-04-30 江苏东方四通科技股份有限公司 Constant-power closed-loop control power controller
CN116724485A (en) * 2021-01-15 2023-09-08 华为数字能源技术有限公司 Power sharing regulation of solid state transformers through embedded digital equalization
CN113098252B (en) * 2021-04-02 2022-08-05 重庆邮电大学 Power electronic transformer soft start method based on energy feedback
US11323124B1 (en) 2021-06-01 2022-05-03 SambaNova Systems, Inc. Variable-length clock stretcher with correction for glitches due to finite DLL bandwidth
CN114285250B (en) * 2021-12-23 2023-07-18 中电科蓝天科技股份有限公司 Magnetic isolation signal feedback device for space power supply control

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US3304494A (en) * 1963-07-16 1967-02-14 Anthony C Palatinus Wide range wide and narrow band direct indicating analyzer
US3436641A (en) * 1966-01-10 1969-04-01 Ajax Magnethermic Corp Solid state static frequency multipliers
US5099410A (en) * 1990-11-13 1992-03-24 Wisconsin Alumni Research Foundation Single phase ac power conversion apparatus
US7050311B2 (en) * 2003-11-25 2006-05-23 Electric Power Research Institute, Inc. Multilevel converter based intelligent universal transformer
US9450415B2 (en) * 2012-08-31 2016-09-20 General Electric Company System and method for controlling a dual-fed induction generator in response to high-voltage grid events
US10186995B2 (en) * 2017-01-13 2019-01-22 General Electric Company Rotating switching strategy for power converters
US10432102B2 (en) * 2017-09-22 2019-10-01 Texas Instruments Incorporated Isolated phase shifted DC to DC converter with secondary side regulation and sense coil to reconstruct primary phase

Also Published As

Publication number Publication date
US10554144B2 (en) 2020-02-04
US20190312521A1 (en) 2019-10-10

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