Download presentation
Presentation is loading. Please wait.
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 3 (a) Synchronous Buck Converter
(b)Average current control (c)PV characteristic curve (d)PSIM simulation block 3
4
PV-module power circuit
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
The PSIM simulation result
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 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
High step-up flyback converter and line-frequency inverter
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
Similar presentations
© 2024 SlidePlayer.com Inc.
All rights reserved.