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小型市電並聯太陽能發電系統之研製

小型市電並聯太陽能發電系統之研製. 指導教授：江炫樟 學 生：呂宗翰. 1. 目錄. 一、太陽能電池模組模擬器 二、單級並網之單相太陽能變流器 三、高升壓比返馳式太陽能變流器. 市電並聯型. 2. 一、 PV-Module Emulator. (a) Synchronous Buck Converter. (b)Average current control. (c)PV characteristic curve. (d)PSIM simulation block. 3. The Implementation of

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小型市電並聯太陽能發電系統之研製

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  1. 小型市電並聯太陽能發電系統之研製 指導教授：江炫樟 學 生：呂宗翰 1

  2. 目錄 一、太陽能電池模組模擬器 二、單級並網之單相太陽能變流器 三、高升壓比返馳式太陽能變流器 市電並聯型 2

  3. 一、PV-Module Emulator (a) Synchronous Buck Converter (b)Average current control (c)PV characteristic curve (d)PSIM simulation block 3

  4. The Implementation of PV-module power circuit The PV-module emulator Controller By matlab real-time control 4

  5. 5

  6. 二、Design and Implementation of Single-Phase Grid-Connected Photovoltaic Power Generation Systems Advantage：low cost、high efficiency Disadvantage：many PV-modules、low reliability 6

  7. Modeling of the full-bridge converter Current controller design 7

  8. DC voltage controller design a.DC-link voltage contains the second order voltage ripple. b.The low-pass filter is used to attenuate the second-order ripple. 8

  9. Maximum Power Point Tracking(MPPT) controller PV-module characteristic curve Adjustability MPPT controller 9

  10. The PSIM block of Single-Phase Grid-Connected PV Inverter 10

  11. 單位功因餽入市電 電流緊緊追隨其命令 電壓緊緊追隨其命令 The PSIM simulation result 11

  12. 三、Design and Implementation of High Step-up Flyback PV Inverter Advantage：low cost、high efficiency、 current limit、easy to control 12

  13. 三、The control system of High Step-up Flyback PV Inverter Voltage control inner loop MPPT control outer loop 13

  14. Modeling of High step-up flyback PV inverter Modeling of voltage loop system Type II voltage controller • To attenuate the second-order ripple of PV-module , the Fp must be less than 120Hz(754rad/s). • For MPPT control outer loop , voltage loop could design in 50Hz (300rad/s). 14

  15. The PSIM block of High step-up flyback PV Inverter 15

  16. The Implementation of High step-up flyback converter and line-frequency inverter The High step-up flyback PV inverter controller By matlab real-time control 16

  17. The simulation result： The experimental result： 17

  18. Thank you for your listening 18

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