Transcription of Handbook Softstarter Handbook - ABB
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Handbook Softstarter Handbook The purpose of this Handbook is to provide guidance for correct selection and maintenance of softstarters in industrial installations to ensure a trouble free operation. This without increasing the overall cost. Softstarter Handbook | 1 SFC132060M0201. FOREWORD. This book is written with the thought of being a general guide for people working with Softstarter applications but also for those just interested in learning more about this type of starting method. It doesn't matter if you are an expert or novice, hopefully you will find some interesting and useful information either by reading from cover to cover or just the chapters of interest. The index at the end of the book can be used to simplify your search. The contents of this book is very much based on the 25 years of experience we have within ABB of developing, manufacturing and selling low voltage softstarters .
Operational voltage (Ue), is the voltage feeding the motor and also the voltage exposed to the main circuit (thyristors) in the softstarter. 200 - 690 V AC are normal values. Control supply voltage (Us), is the voltage feeding the electronic com-ponents inside the softstarter, for example the printed circuit board. A common volt-age is 100 ...
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