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Manual
Frequency Inverter Operation on Emergency Generators
Edition 07/2012 20014945 / EN
SEW-EURODRIVE—Driving the world
Contents
Contents
1 Introduction ......................................................................................................... 4
2 Characteristics of works ................................................................ 5
Generator properties parison to a transformer ................................. 6
Short circuit protection for generator operation........................................... 7
Power factor correction for generator operation ......................................... 7
Parallel operation of generators.................................................................. 7
3 Non-Linear Loads on the Generator During Frequency Inverter Operation.. 8
Grid characteristics of non-linear consumers.............................................. 8
Project planning variant for non-linear loads or for heavy load fluctuations 9
4 Regenerative Power Supply Units on a Generator ........................................ 10
5 Overview of Possible System Constellations ................................................ 12
Connection via medium-voltage system and transformer......................... 12
Emergency generator on low-voltage end ................................................ 12
Supply via medium-voltage system .......................................................... 13
Direct supply to medium-voltage system................................... 13
Supply to medium-voltage system via matching transformer .... 13
6 References......................................................................................................... 14
7 Contact Persons at SEW-EURODRIVE............................................................ 15
Manual – Frequency Inverter Operation on Eme