ABB DCS 500 Technical manual
DCS 500 PLANNING AND START-UP
for
12-Pulse Power Converters
DC Drives, 50 to 10300 A
I-Reg.
n-Reg.
MASTER
DCS 500
I-Reg.
FEX
DCF 500
∆
Y
M
C1 D1 C1 D1
SLAVE
DCS 500
Interphase
reactor
1996 ABB Industrietechnik AG. All rights reserved.
12-Pulse Power Converters
DC Drives 50 to 10300 A
PLANNING AND START-UP
Code: 3ADW 000 040 R0101 Rev A
IND/AME: 12p_e.doc
EFFECTIVE: 05.Nov.96
SUPERSEDES:
Contents
DCS 500 12-Pulse Planning and Start-Up i
12-Pulse Power Converters
Chapter 1 - Introduction
How to use this manual..............................................................................................1-1
Contents of this manual .............................................................................................1-1
Target group ..............................................................................................................1-2
Warranty and liability..................................................................................................1-2
Warnings, cautions, and informational notes .............................................................1-2
Block diagram............................................................................................................3-1
Chapter 2 - Overview
Overview....................................................................................................................2-1
Chapter 3 - Functional description
Functional description................................................................................................3-2
Switch-on/switch-off logic...........................................................................................3-2
Bridge reversal...........................................................................................................3-2
Dynamic response.....................................................................................................3-3
Actual current/reference values .................................................................................3-3
Current reference, Master-Slave .......................................................................3-3
Actual current, Slave-Master .............................................................................3-4
Error messages..........................................................................................................3-5
Control structure ........................................................................................................3-6
Chapter 4 - Planning
Components...............................................................................................................4-1
Planning hints ............................................................................................................4-2
Transformer.......................................................................................................4-2
Power converter ................................................................................................4-2
Interphase reactor .............................................................................................4-2
Field supply .......................................................................................................4-2
Chapter 5 - Parameters and signals
Group 12: New parameters (existing group)..............................................................5-1
Group 111: New signals (existing group)...................................................................5-1
Group 36: 12-pulse (new) ..........................................................................................5-1
Group 136: 12-pulse (new) ........................................................................................5-3
Chapter 6 - Start-Up
Master........................................................................................................................6-1
Slave..........................................................................................................................6-1
12-pulse mode...........................................................................................................6-2
Parameterizing for 12-pulse mode.............................................................................6-3
Master...............................................................................................................6-3
12-pulse mode...................................................................................................6-3
Output A02 ........................................................................................................6-3
Contents
ii DCS 500 12-Pulse Planning and Start-Up
Input AI2............................................................................................................6-3
Current monitoring.............................................................................................6-3
Slave.................................................................................................................6-3
12-pulse mode...................................................................................................6-3
Output A02 ........................................................................................................6-4
Input AI2............................................................................................................6-4
Appendix Connection example
Chapter 1 - Introduction
DCS 500 12-Pulse Planning and Start-Up 1 - 1
How to use this manual
This chapter describes the purpose and content of this manual.
The purpose of this manual is to provide detailed information on the
planning work and start-up routines for a 12-pulse drive controller
from the DCS 500 series. The manual contains detailed descrip-
tions of the 12-pulse functions, the installation procedure, and of
how to start up these units. You should regard this 12-pulse de-
scription as a supplement to the description provided for the 6-
pulse units.
Contents of this manual
Chapter 1 - Introduction
This is the chapter you’re reading at the moment: it describes how
to use this manual.
Chapter 2 - Overview
This chapter contains information on possible applications for the
12-pulse power converters.
Chapter 3 - Functional description
This chapter describes the special functions offered by the 12-pulse
power converter. It shows a block diagram, and contains particulars
of the power section, the control signals, the current feedback and
reference values, bridge reversal, dynamic response, switch-
on/switch-off logic, and the errors and alarms involved.
Chapter 4 - Planning
This chapter describes the correct procedural approach for planing
work.
Chapter 5 - Parameters and signals
This chapter describes the parameters and signals of a DCS 500
12-pulse power converter.
Chapter 6 -Start-Up
This chapter describes the start-up procedure, and contains the
setting values for parameters in 12-pulse mode, plus the relevant
values for assigning the input and output signals.
Chapter
1 - Introduction
1 - 2 DCS 500 12-Pulse Planning and Start-Up
Target group
This manual is aimed at people responsible for planning, installing,
commissioning and servicing drive controllers from the DCS 500
range. It has been written for people with:
• basic knowledge of physics and electrical engineering, electrical
wiring principles, components and symbols used in electrical en-
gineering.
• basic experience with DCS 500 products will be helpful.
Warranty and liability
The warranty for your ABB standard power converter from
the DCS 500 series covers manufacturing defects. The
manufacturer accepts no responsibility for damage caused
during transport or unpacking.
On no account and under no circumstances will the manufacturer
accept liability for damage to or failures of a unit occurring as a
consequence of misuse, improper erection, abnormal environ-
mental conditions or of rated operational values being exceeded.
Nor will the manufacturer accept liability for consequential loss or
damage or indirect loss or damage..
The warranty period guaranteed by the manufacturer is 12
months from initial start-up, but not more than 24 months
from the date of delivery ex works in Lampertheim.
If you have any questions concerning your drive system,
please get in touch with your local ABB representative, or
contact ABB Industrietechnik AG in Lampertheim, Ger-
many, directly. The technical data and specifications are
valid at the time of going to press. ABB reserves the right
to make subsequent alterations.
Warnings, cautions and
informational notes
Warnings
appear in this manual in the following two cases:
Warnings of dangerous voltage
, preceded by the appropriate
symbol, indicate that voltages are present which may lead to seri-
ous or even fatal injury. These warnings also describe how risks of
this kind can be avoided.
General warnings
, preceding by the appropriate symbol, in-
dicate situations or conditions which may lead to serious or even
fatal injury. These warnings also describe how risks of this kind can
be avoided.
Chapter
1 - Introduction
DCS 500 12-Pulse Planning and Start-Up 1 - 3
Cautions
are designed to inform you about situations or conditions
which may result damage to the equipment r additional system
downtime if the specified precautionary measures are not complied
with.
Informational notes
supply additional and useful information for the
operating staff. Although they are not so urgent and imperative as
the warnings and cautions, these informational notes are nonethe-
less important, and should be heeded..
Chapter
1 - Introduction
1 - 4 DCS 500 12-Pulse Planning and Start-Up
Chapter 2 - Overview
DCS 500 12-Pulse Planning and Start-Up 2 - 1
The 12-pulse parallel connection produces the following advan-
tages:
✸Reduction in power converter’s effects on the mains supply
network
Reduced harmonics; different frequencies in the mains
✸Large output DC currents
Doubling of the output currents die to parallel connection of two
6-pulse standard power converters to form a 12-pulse circuit
✸Improved current ripple
Smaller current ripple, higher frequency content, smaller torque
pulsation
Basically, the 12-pulse connection is a classical master-slave con-
figuration with a speed-controlled 6-pulse master power converter
and a current-controlled 6-pulse slave power converter.
The 12-pulse parallel connection is obtained by feeding the slave
with a mains supply offset by 30 degrees compared to the master
and joining the power converter outputs on one side over an inter-
phase reactor.
The 12-pulse mode has been implemented in the standard soft-
ware, and will not become operative until after parameterization.
After a few signals have been replaced for switch-on and switch-off,
and the specific master/slave parameters have been set, the two
power converters will work in the usual way. The only distinctive
feature compared with the classical 6-pulse variant is that the two
power converters are synchronized for reversing the bridges.
This manual must be consulted for 12-pulse mode in addition to the
following DCS 500 manuals:
DCS 500 Start-up Instructions
DCS 500 Installation and Start-Up Manual
DCS 500 Programming Manual
Chapter
2 - Overview
2 - 2 DCS 500 12-Pulse Planning and Start-Up
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1
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