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2022 | Buch

Introduction Kapitel lesen Erstes Kapitel lesen

Crash Safety of High-Voltage Powertrain Based Electric Vehicles

Electric Shock Risk Prevention

verfasst von: Prof. Chao Gong

Verlag: Springer International Publishing

Buchreihe : Springer Theses

Enthalten in: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik" , Springer Professional "Wirtschaft"

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SUCHEN

Über dieses Buch

This book systematically introduces fast winding-based discharge strategies used for permanent magnet synchronous machine-based drives in electric vehicles (EVs) after a crash. The contents are from the author's final thesis securing his Ph.D. degree. The book contains seven chapters. Chapter 1 introduces the motivation of the research. Chapter 2 reviews five types of injury hazards that the occupants might suffer during crashes, addressing the high-voltage problem. In Chapters 3, 4, and 5, different winding-based discharge techniques are developed. Chapter 6 discusses the general principles for selecting an effective and efficient discharge technique for a particular EV. The conclusion is drawn in Chapter 7. Some author's achievements are listed at the end of the book. This book introduces professional knowledge about the subject of electrical engineering. It can be used as a reference book for technicians and scholars in this area.

Inhaltsverzeichnis

Frontmatter
Chapter 1. Introduction
Abstract
In comparison with the traditional gasoline internal combustion engine (ICE) vehicles, electric vehicles (EV) are characterized by no fossil energy consumption and low/zero pollutant emissions, so many governments have regarded them as the future direction of the automotive industry.
Chao Gong
Chapter 2. Review of EV Safety in Crash Conditions
Abstract
Usually, a high-quality review is able to not only broaden the horizons of readers but also provide guidelines for the future study. However, there is little review work concerning the safety of the high-voltage powertrain-based EVs in the crash conditions now.
Chao Gong
Chapter 3. New Winding-Based Discharge Strategy for EV Powertrains with Extreme Parameters
Abstract
This chapter aims to tackle two challenges when using the winding-based discharge techniques to improve the crash safety of EVs, which include first, the mechanism of the winding-based (current injection-based) discharge method is not clear, and second, due to system parameters, the traditional LDA-CI discharge strategy might not be applicable for some high-voltage PMSM-based EVs when the required discharge period is 5 s.
Chao Gong
Chapter 4. Hybrid DC-Bus Capacitor Discharge Strategy for EV Powertrains with Highly Extreme Parameters
Abstract
This chapter aims to solve the challenge that a pure winding-based discharge strategy might not be able to achieve the best discharge process when it is applied to the EV powertrains with highly extreme parameters during crash.
Chao Gong
Chapter 5. Fault-Tolerant Winding-Based DC-Bus Capacitor Discharge Strategy
Abstract
This chapter aims to tackle the challenge that a DC-bus capacitor discharge strategy which uses the machine windings as energy dissipation devices does not work when the rotor position is lost during crash. Specifically, efficient position loss fault-tolerant (PL-FT) control algorithms are designed and then incorporated into the winding-based discharge strategies to improve the reliability of the system.
Chao Gong
Chapter 6. Winding-Based Discharge Technique Selection Rules Based on Parametric Analysis
Abstract
In the previous chapters, several winding-based discharge strategies have been introduced, which include the traditional LDA-CI method, piecewise NDNQ method, hybrid discharge scheme and indirect current regulation-based methods. However, a crucial problem is that when designing the discharge system for a particular EV, there are no ready-to-use rules that an engineer can follow to pre-evaluate whether or which winding-based discharge technique is available, especially for the high-speed range. To solve this challenge, this chapter proposes general principles for picking out applicable winding-based DC-bus capacitor discharge techniques at the stage of EV design on the basis of parametric analysis. Then, case studies are used to verify the proposed discharge technique selection rules.
Chao Gong
Chapter 7. Conclusions and Future Work
Abstract
As an eco-friendly transportation method, EVs have been witnessing an exponential growth. However, it must be acknowledged that the technologies concerning EVs are not entirely mature and there are still many problems that need in-depth explorations.
Chao Gong
Backmatter
Metadaten
Titel
Crash Safety of High-Voltage Powertrain Based Electric Vehicles
verfasst von
Prof. Chao Gong
Copyright-Jahr
2022
Electronic ISBN
978-3-030-88979-1
Print ISBN
978-3-030-88978-4
DOI
https://doi.org/10.1007/978-3-030-88979-1

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