“新能源汽車電機驅動系統(tǒng)”是新能源汽車檢測與維修技術專業(yè)的一門專業(yè)核心課程。本書針對與新能源汽車相關的維修及服務類崗位，以培養(yǎng)動力系統(tǒng)拆裝、故障檢修的職業(yè)能力為重點，進行了基于工作的內容開發(fā)與設計，充分體現(xiàn)了職業(yè)性、實踐性和開放性的要求。本書主要培養(yǎng)學生的職業(yè)崗位基本技能，通過真實任務驅動的教學活動，使學生具備新能源汽車維修技能，具備較好的學習能力和實踐能力，培養(yǎng)學生誠實、守信、善于溝通和合作的品質，以及環(huán)保節(jié)能和安全防護的意識。通過本書的學習，使學生掌握新能源汽車中的幾種電機——直流電機、交流感應電機、永磁同步電機和新型電機的結構、原理與應用，以及新能源汽車驅動電機的控制方法。結合實際工作任務，培養(yǎng)學生對所學專業(yè)知識的興趣，養(yǎng)成自主學習與探究學習的良好習慣，從而能夠解決專業(yè)技術工作所遇到的實際問題，并養(yǎng)成良好的工作方法、工作作風和職業(yè)道德。 本書既適用于職業(yè)院校中學習汽車相關專業(yè)的學生，也適用于對新能源汽車懷有濃厚興趣的愛好者。
祝存棟，男 ，漢族，中共黨員，1990年9月生，2013年7月畢業(yè)于長安大學汽車運用工程專業(yè)。2014年5月至2016年8月在青海省高原科技發(fā)展有限公司從事發(fā)動機檢測工作，測試發(fā)動機在不同海拔高度的總功率試驗、調速特性試驗和自由加速試驗等驗證發(fā)動機性能并出具報告、2015年5月任助理工程師。2016年8月至今在青海交通職業(yè)技術學院從事汽車專業(yè)教學工作，主要教授汽車發(fā)動機構造與維修、汽車底盤構造與維修和新能源汽車構造與維修等課程，每年完成教學、實訓指導等400課時，2017年任助教，2020年取得機動車檢測維修工程師。2017年獲青海省"青年崗位能手”稱號。2018年指導學生獲青海省職業(yè)院校技能大賽汽車檢測與維修技術二等獎。2021年獲得第五屆全國交通運輸類專業(yè)教師信息化教學能力大賽三等獎。2022年獲青海省職業(yè)院校技能大賽教學能力比賽二等獎。2023年獲青海省職業(yè)院校技能大賽教學能力比賽三等獎。2023年12月獲全國新能源汽車關鍵技術大賽二等獎
模塊一 電機驅動系統(tǒng)基礎知識 ..................................................................... 1
任務一 電機驅動的基礎知識 ·····································································.1
任務二 電機驅動系統(tǒng)的結構及關鍵技術 ······················································.6
1.2.1 電機驅動系統(tǒng)的結構 ··································································.6
1.2.2 電機驅動系統(tǒng)的關鍵技術 ····························································.8
任務三 高壓安全與防護技術 ····································································.12
1.3.1 高壓安全防護用具 ···································································.12
1.3.2 觸電對人體的危害 ···································································.14
1.3.3 高壓觸電急救方法 ···································································.16
1.3.4 驅動電機高壓絕緣檢測 ·····························································.20
任務四 電機控制器 ·················································································.21
1.4.1 電機控制器的類型及構造 ··························································.21
1.4.2 電機控制器的拆裝 ···································································.24
1.4.3 電機控制器的工作原理 ·····························································.27
模塊二 常用驅動電機 ................................................................................. 31
任務一 直流電機 ····················································································.31
2.1.1 直流電機的類型及構造 ·····························································.31
2.1.2 直流電機的拆裝 ······································································.37
2.1.3 直流電機的工作原理 ································································.38
2.1.4 直流電機的性能特點及檢測 ·······················································.43
任務二 交流感應電機 ··············································································.48
2.2.1 交流感應電機的類型及構造 ·······················································.49
2.2.2 交流感應電機的拆裝 ································································.53
2.2.3 交流感應電機的工作原理 ··························································.55
2.2.4 交流感應電機的性能特點及檢測 ·················································.59
2.2.5 交流異步電機是如何進行制動的 ·················································.63
任務三 永磁同步電機 ··············································································.65
2.3.1 永磁同步電機的類型及構造 ·······················································.65
2.3.2 永磁同步電機的拆裝 ································································.68
2.3.3 永磁同步電機的工作原理和控制技術 ···········································.71
2.3.4 永磁同步電機的性能特點及檢測 ·················································.73
任務四 新型電機 ····················································································.77
2.4.1 輪轂/輪邊電機的構造 ································································.77
2.4.2 輪轂/輪邊電機的工作原理 ·························································.80
2.4.3 輪轂/輪邊電機的控制策略 ·························································.84
2.4.4 混合勵磁電機的構造 ································································.87
2.4.5 混合勵磁電機的工作原理 ··························································.91
2.4.6 混合勵磁電機的控制策略 ··························································.94
任務五 旋轉變壓器 ·················································································.98
2.5.1 旋轉變壓器的類型及構造 ··························································.98
2.5.2 旋轉變壓器的工作原理 ····························································.101
2.5.3 旋轉變壓器的性能檢測 ····························································.104
模塊三 功率變換器技術 ............................................................................ 107
任務一 功率半導體器件 ·········································································.107
3.1.1 認識功率二極管 ·····································································.107
3.1.2 整流電路 ···············································································.111
任務二 絕緣柵雙極型晶體管 ··································································.114
任務三 DC-AC 功率變換器 ····································································.117
任務四 DC-DC 功率變換器 ····································································.119
3.4.1 DC-DC 功率變換器的組成 ························································.119
3.4.2 DC-DC 功率變換器的工作原理 ··················································.122
3.4.3 升壓充電技術 ·········································································.124
模塊四 電機驅動系統(tǒng)的檢修 ..................................................................... 127
任務一 驅動電機不運轉故障診斷 ····························································.127
4.1.1 驅動電機不運轉的故障診斷 ······················································.127
4.1.2 電源故障 ···············································································.128
4.1.3 電機故障 ···············································································.128
4.1.4 電機控制器故障 ·····································································.129
4.1.5 其他控制單元及元件故障引起電機控制系統(tǒng)功能性保護 ··················.129
4.1.6 驅動電機位置傳感器的檢測 ······················································.129
4.1.7 電路導通性測試 ·····································································.130
任務二 驅動電機功率不足的故障診斷 ······················································.131
4.2.1 驅動電機功率不足故障診斷 ······················································.131
4.2.2 電源故障 ···············································································.132
4.2.3 電機故障 ···············································································.132
4.2.4 電機控制器故障 ·····································································.132
4.2.5 其他控制單元及元件故障引起電機控制系統(tǒng)功能性保護 ··················.133
任務三 驅動電機間歇性工作的故障診斷 ···················································.133
4.3.1 驅動電機間歇性工作故障診斷 ···················································.134
4.3.2 驅動電機插接件故障 ·······························································.134
4.3.3 驅動電機控制器插接件故障 ······················································.134
任務四 驅動系統(tǒng)溫度異常的故障診斷 ······················································.134
4.4.1 驅動系統(tǒng)溫度異常故障診斷 ······················································.135
4.4.2 驅動電機吱聲溫度異常 ····························································.135
4.4.3 電機控制器溫度異常 ·······························································.135
4.4.4 驅動電機溫度傳感器的檢測 ······················································.136
任務五 高壓上電異常故障診斷 ·······························································.137
任務六 換擋異常故障診斷 ·····································································.141
任務七 加速異常故障診斷 ·····································································.144
任務八 冷卻控制異常故障診斷 ·······························································.146
任務九 高壓絕緣檢測 ············································································.148
參考文獻 ...................................................................................................
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