1.8.4.1 Overview ............................................................................................................................................................ 122

1.8.4.2 System Power Supply Architecture..................................................................................................................... 126

1.8.4.3 DC PM ................................................................................................................................................................ 127

1.8.4.4 DC PEM ............................................................................................................................................................. 130

1.8.4.5 2700 W AC PM ................................................................................................................................................... 131

1.8.4.6 3000 W AC&HVDC PM .................................................................................................................................... 133

1.8.4.7 AC PEM .............................................................................................................................................................. 136

1.8.4.8 HVDC PEM ........................................................................................................................................................ 137

1.8.4.9 Switch ................................................................................................................................................................. 138

1.8.4.10 PMU .................................................................................................................................................................. 140

1.8.4.11 Power System Technical Specifications ............................................................................................................ 140

1.8.5 NE40E-X16 Power Supply System ....................................................................................................................... 142

1.8.5.1 Architecture of the Power Supply System .......................................................................................................... 142

1.8.5.2 70A PEM ............................................................................................................................................................ 144

1.8.5.3 EPS200-4850A ................................................................................................................................................... 146

1.8.5.4 EPS200-4850B ................................................................................................................................................... 149

1.8.6 NE40E-X16A Power Supply System ..................................................................................................................... 152

1.8.6.1 Overview ............................................................................................................................................................ 152

1.8.6.2 System Power Supply Architecture..................................................................................................................... 156

1.8.6.3 DC PM ................................................................................................................................................................ 158

1.8.6.4 DC PEM ............................................................................................................................................................. 161

1.8.6.5 2700 W AC PM ................................................................................................................................................... 162

1.8.6.6 3000 W AC&HVDC PM .................................................................................................................................... 164

1.8.6.7 AC PEM .............................................................................................................................................................. 166

1.8.6.8 HVDC PEM ........................................................................................................................................................ 168

1.8.6.9 Switch ................................................................................................................................................................. 169

1.8.6.10 PMU .................................................................................................................................................................. 170

1.8.6.11 Power System Technical Specifications ............................................................................................................ 171

1.9 Fan ............................................................................................................................................................................ 172

1.9.1 Heat Dissipation System of the NE40E-X3 ........................................................................................................... 172

1.9.1.1 System Air Channel ............................................................................................................................................ 172

1.9.1.2 Fan Speed Adjustment ........................................................................................................................................ 173

1.9.1.3 Fan Module ......................................................................................................................................................... 174

1.9.1.4 Air Filter ............................................................................................................................................................. 176

1.9.2 Heat Dissipation System of the NE40E-X3A ........................................................................................................ 177

1.9.2.1 System Air Channel ............................................................................................................................................ 177

1.9.2.2 Fan Speed Adjustment ........................................................................................................................................ 177

1.9.2.3 Fan Module ......................................................................................................................................................... 178

1.9.2.4 Air Filter ............................................................................................................................................................. 180

1.9.3 Heat Dissipation System of the NE40E-X8 ........................................................................................................... 180

1.9.3.1 System Air Channel ............................................................................................................................................ 180

1.9.3.2 Fan Speed Adjustment ........................................................................................................................................ 181

Issue 01 (2018-05-03)

Contents

iii

Table of Contents