T1689 Technical Manual Rev 07
MV3000 Air Cooled DELTA
Page 9
3.6.3 CDM Installation In Multiple Enclosures ................................................................................ 86
3.6.4 Position Of DELTA Rectifier Modules ..................................................................................... 87
3.6.5 Position Of DELTA Transistor Modules ................................................................................... 87
3.6.6 Position Of Reactors & Filtering Components ........................................................................ 87
3.6.7 Position Of Switched Mode Power Supply (SMPS) ................................................................ 87
3.6.8 Position Of Control Components ........................................................................................... 88
3.6.9 Typical CDM Arrangement ..................................................................................................... 89
3.7 COMPONENT SELECTION – COOLING SYSTEM DESIGN ................................................................ 90
3.7.1 Introduction To Cooling System ............................................................................................. 90
3.7.2 Primary Air Cooling ................................................................................................................. 90
3.7.3 Secondary Air Cooling ............................................................................................................ 91
3.8 COMPONENT SELECTION – ELECTRICAL ....................................................................................... 92
3.8.1 DELTA Power & Control Modules ........................................................................................... 92
3.8.2 Control Circuit – Auxiliary Components ................................................................................. 94
3.8.3 Filters ...................................................................................................................................... 95
3.8.4 Power Cabling & Terminals .................................................................................................... 95
3.8.5 Fuse Selection & Mounting .................................................................................................... 97
3.8.6 Pre-Charge Requirements ...................................................................................................... 97
3.8.7 Dynamic Braking (DB) Units ................................................................................................... 98
3.9 COMPONENT SELECTION - MECHANICAL ..................................................................................... 99
3.9.1 Enclosure (/s) .......................................................................................................................... 99
3.9.2 DELTA Mounting Frames ...................................................................................................... 101
4. PDS DESIGN ................................................................................................................................... 103
4.1 SUITABILITY OF MOTORS ............................................................................................................ 103
4.2 SUITABILITY OF MOTOR CABLES ................................................................................................. 103
4.3 ENCODERS & ENCODER CABLES ................................................................................................. 104
4.3.1 Encoder Selection ................................................................................................................. 104
4
.3.2 Encoder Resolution .............................................................................................................. 104
4.3.3 Encoder Mounting ................................................................................................................ 105
4.3.4 Encoder Cable Screening ...................................................................................................... 105
4.4 MAINS SUPPLY CABLES ............................................................................................................... 105
4.5 SPECIAL REQUIREMENTS FOR “IT” NETWORKS .......................................................................... 106
4.5.1 Protection Against Transients .............................................................................................. 106
4.5.2 Earth Fault Monitoring ......................................................................................................... 106
4.6 PROTECTION OF CABLES ROUTED OUTSIDE THE ENCLOSURE .................................................... 107
5. CDM ASSEMBLY ............................................................................................................................. 109
5.1 INTRODUCTION ........................................................................................................................... 109
5.1.1 Recommended Order of Assembly ...................................................................................... 110
5.2 RECEIPT & STORAGE OF EQUIPMENT ......................................................................................... 111
5.2.1 For immediate installation ................................................................................................... 111
5.2.2 For long term storage ........................................................................................................... 111
5.2.3 Electrolytic Capacitor Shelf Life ............................................................................................ 111
5.2.4 Procedures after Removing DELTA Transistor Bridge Modules from Long Periods of Storage112
5.3 FITTING FLOOR MOUNTED REACTORS ....................................................................................... 113
5.4 ASSEMBLING THE MOUNTING FRAME FOR DELTA POWER MODULES ...................................... 114
5.4.1 General ................................................................................................................................. 114
5.4.2 Side Support Rails ................................................................................................................. 114
5.4.3 Lower Cross-members .......................................................................................................... 115
5.4.4 Guide Plates .......................................................................................................................... 115
5.4.5 Upper Cross-Members ......................................................................................................... 115
5.5 FANS ............................................................................................................................................ 115
5.5.1 Fan installation ..................................................................................................................... 115
5.5.2 Fan air outlet ........................................................................................................................ 116
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