數據中心UPS系統運維

目 錄

第1章　概述 ··········································································1

1.1　什麽是UPS ··················································································1

1.2　UPS在數據中心的地位和作用 ··························································1

1.3　UPS的分類 ··················································································2

1.4　UPS的技術指標 ··········································································16

1.5　UPS的發展 ················································································23

習題 ································································································24

第2章　UPS控制電路基礎 ····················································26

2.1　運算放大器 ················································································26

2.2　電壓比較器 ················································································35

2.3　邏輯門電路和觸發器 ····································································39

2.4　555時基集成電路 ········································································50

2.5　單片機 ······················································································57

習題 ································································································61

第3章　UPS的電路構成和工作原理 ·······································63

3.1　雙變換在線式UPS的電路構成 ·······················································63

3.2　整流器 ······················································································64

3.3　逆變器 ······················································································86

3.4　旁路 ·························································································99

3.5　脈寬調制技術（PWM） ·······························································101

3.6　UPS其他主要電路 ······································································105

3.7　雙變換在線式UPS的工作原理 ······················································113

習題 ·······························································································114

第4章　數據中心交流UPS的選擇 ·········································115

4.1　UPS電源系統負載容量的確定 ·······················································115

4.2　UPS輸出能力剖析 ······································································118

4.3　UPS總容量的確定 ······································································125

4.4　UPS的選型 ···············································································130

4.5　電纜的選擇和接線 ······································································131

4.6　斷路器的選擇 ············································································134

習題·······························································································137

第5章　蓄電池 ····································································138

5.1　蓄電池在UPS系統中的作用 ·························································138

5.2　蓄電池的分類 ············································································139

5.3　閥控式密封鉛酸蓄電池的構造和工作原理 ········································141

5.4　閥控式密封鉛酸蓄電池的性能和基本參數 ········································146

5.5　放電控制技術 ············································································151

5.6　充電控制技術 ············································································154

5.7　蓄電池容量的計算與選擇 ·····························································157

5.8　閥控式密封鉛酸蓄電池常見的失效模式 ···········································161

5.9　閥控式密封鉛酸蓄電池的使用與維護 ··············································163

5.10　新型電池 ·················································································170

5.11　大型數據中心蓄電池的規劃與應用的幾個問題 ·································172

習題·······························································································173

第6章　數據中心UPS供電方案 ···········································174

6.1　幾個基本概念 ············································································174

6.2　UPS的供電方案 ·········································································180

6.3　數據中心UPS供電系統的發展趨勢 ················································193

習題·······························································································194

第7章　直流UPS ································································195

7.1　數據中心高壓直流供電（HVDC）系統概述······································195

7.2　240V HVDC系統的組成及工作原理 ················································198

7.3　240V高壓直流供電與傳統UPS供電的對比 ······································200

7.4　240V HVDC系統在數據中心的設計應用 ··········································210

7.5　巴拿馬電源（10kV AC直轉240V DC）簡介 ·····································217

習題·······························································································221

第8章　UPS的操作、維護與保養·········································222

8.1　UPS的運行操作 ·········································································222

8.2　UPS的維護與保養 ······································································231

8.3　UPS的常見故障及處理方法 ··························································243

習題 ·······························································································250

第9章　EPS和其他電源 ······················································251

9.1　EPS簡介···················································································251

9.2　磁懸浮飛輪儲能系統簡介 ·····························································259

9.3　儲能系統的應用前景 ···································································263

習題 ·······························································································264

參考文獻 ··············································································265