ABB NBRA-6 Series, Installation And Startup Manual

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Installation and Start-up Guide for NBRA-6xx 1-1
Chapter 1 – Introduction to This Guide
Intended Audience
The Guide is intended for the people responsible for installing,
commissioning and servicing the braking chopper of an ACS 600
product family frequency converter. The user is expected to have a
basic knowledge of electrical fundamentals, electrical wiring practices
and ACS 600 family frequency converters.
What This Guide
Contains Safety Instructions are placed on the first few pages of the Guide.
Safety Instructions describe the formats for various warnings and
notations used in this guide. This chapter also states the General
Safety Instructions.
Chapter 1 – Introduction to This Guide contains a description of this
Guide.
Chapter 2 – Overview contains a short description of resistor braking,
braking choppers and braking resistors. The standard braking chopper
and braking resistor available for each ACS 600 type are given in the
rating tables.
Chapter 3 – Voltage Selection and Mechanical Installation
describes how to set the chopper voltage level and install the chopper.
Chapter 4 – Electrical Installation contains instructions for power
cable selection and routing, control connections, and power
connections.
Chapter 5 – Fault Tracing contains information on chopper and
resistor fault indications, and fault tracing.
Appendix A contains the dimensional drawings of the braking
choppers and braking resistors to be installed outside the ACS 600
housing.
Appendix B contains the calculation instructions for the maximum
allowed braking power.
Related Publications
The Installation and Start-up Manual and the Programming Manual
of the frequency converter.