NDLI: Decoupling start control method for aircraft wound-rotor synchronous starter-generator based on main field current estimation

Content Provider	IET Digital Library
Author	Jiao, Ningfei Liu, Weiguo Meng, Tao Sun, Chenghao Jiang, Yu
Abstract	Wound-rotor synchronous starter-generator (WRSSG) has the advantages of less volume and weight, high safety and low cost in maintenance, so it is becoming increasingly popular in modern aircraft, especially for more-electric aircraft. The main machine (MM) and main exciter (ME) of the aircraft WRSSG are electromechanically coupled seriously, which makes the start control for the WRSSG complex in the starting mode. In this study, a decoupling start control method for aircraft WRSSG based on main field current estimation is proposed to solve the serious coupling problem and improve start control performance. In the proposed decoupling control method, the main field current is estimated first and used in the closed-loop excitation control for the ME to make the main field current meet the MM demand. With the desired field current, the MM is decoupled with the ME and controlled like a traditional synchronous motor to start the aircraft engine under maximum torque per ampere. The feasibility and effectiveness of the proposed decoupling control method is verified by experimental results.
Starting Page	863
Ending Page	870
Page Count	8
ISSN	17518660
Volume Number	13
e-ISSN	17518679
Issue Number	Issue 7, Jul (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/13/7
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2018.5140
Journal	IET Electric Power Applications
Publisher Date	2018-10-19
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Aerospace And Avionic Power Supplies Aerospace Engines Aerospace Propulsion Aircraft Engine Aircraft Power System Aircraft Wound-rotor Synchronous Starter-generator Aircraft WRSSG Closed Loop System Closed-loop Excitation Control Control of Electric Power System Decoupling Start Control Method Electric Aircraft Machine Control Main Exciter Main Field Current Estimation Main Machine Rotors Starting Starting Mode Synchronous Generator Synchronous Machine Synchronous Motor Synchronous Motors
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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