Siemens LMV5 Series Technical Instructions page 153

LMV Series
Section 5 - Variable Speed Drive Control
Introduction .................................................................................................................................... 2
VFD and AC Induction Motor Fundamentals .................................................................................. 2
Line Reactors . .................................................................................................................................. 3
Output Wiring / Load Reactors ....................................................................................................... 4
Shaft Current . .................................................................................................................................. 5
Braking Resistors . ............................................................................................................................ 5
Types of VFDs: Vector and Volt/Hz ................................................................................................ 7
Centrifugal Blower Fundamentals .................................................................................................. 7
Configuring VFDs for use with the LMV52 . ..................................................................................... 8
Standardizing the LMV52 . ............................................................................................................... 9
Blower Speed Monitoring ............................................................................................................. 13
Suggested Setup Procedure for the VFD Control ......................................................................... 15
Additional Tips for Burners with VFD Control .............................................................................. 16
SCC Inc.
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Document No. LV5-1000
Section 5