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© ABB Group May 27, 2014 | Slide 1

Sarel Pelser


ABB MV Drives Centre of Excellence


What happens at ABB in Turgi?

Turgi is ABB’s centre of excellence for power electronics.

Welcome, Introduction


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The importance of General Purpose ACS 2000 Drives

The MV Drives market is in a stage of rapid growth. The world needs more energy efficient processes and MV Drives help to improve process efficiency

The largest and fastest growing power segment is 500-3000kW both in terms of value and in terms of number of drives

The most commonly used motor service voltages in the General Purpose segment are 4kV and 6.6kV





ACS 2000 – simple and reliable motor control

Power and voltage range:

250 – 2500 kW

4.0 – 6.9 kV

Air cooling



ACS 2000 Fields of application

Industries Applications

Cement, mining and minerals

Conveyors, crushers, mills, mine hoists, fans, pumps

Chemical, oil and gas Pumps, compressors, extruders, mixers, blowers

Metals Fans, pumps

Pulp and paper Fans, pumps, refiners, vacuum pumps, chippers

Power generation Fans, pumps, conveyors, coal mills

Water Pumps


Low

Har

mon

ic

Reg

ener

ativ

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ACS 2000 Product family – Available configurations


integrated transformer

direct-to-line (DTL)

external transformer


direct-to-line (DTL)

external transformer

4.0 – 4.16 kV up to 3000HP

4.0 – 4.16 kV up to 3000HP

6.0 – 6.9kV up to 2000kVA 6.0 – 6.9kV up to 2000kVA 6.0 – 6.9kV up to 2000kVA

6.0 – 6.9kV up to 3000kVA

6.0 – 6.9kV up to 2000kVA

6.0 – 6.9kV up to 3000kVA

Grid Connections



ACS 2000 rectifier unit

direct-to-line with


for operation with external transformer

Low harmonic drives AFE DFE DFE

Regenerative drives AFE AFE AFE

AFE: 5-level self-commutated IGBT active front end

DFE: 24-pulse diode front end



ACS 2000 Low harmonic drives

Reduction of drive system components

Eliminate network filters

Simplified system integration

Minimized line side harmonics

No losses in distribution network

No disturbance of equipment connected to the same line supply

Compliant with relevant standards




direct-to-line with





AFE: 5-level self-commutated IGBT active front end (NO REGEN)





direct-to-line with








Control UnitControl

UPS Power Supply

Auxiliary Power Supply

MCB (Standard)CloseOpenTrip

Main Power Supply

Motor

IM

Auxiliaries

Power Part

ACS 2000

Trafo

ACS 2000 Low Harmonic (DFE) Single line diagram


Active Front End (AFE) Diode Front End (DFE)

Trafo




direct-to-line with










with integrated

transformer


Regenerative drives AFE AFE



The ACS 2000 can be operated with an input isolation transformer

if a voltage-matching input isolation transformer is needed

if galvanic isolation from the line supply is required

Solutions:

With an integrated transformer for quick installation and commissioning





Regenerative drives AFE



The ACS 2000 can be operated with an

input isolation transformer

if a voltage-matching input isolation transformer is needed

if galvanic isolation from the line supply is required

Solutions:

For connection to an external oil or dry-type transformer



Line supply connection flexibility System integration possibilities

Main circuit breaker

Transformer

ACS 2000

Motor

Several ACS 2000 connected to the same network

~ ~ ~

Line supply

Configurations with transformer

~ External

transformer

~ Integrated

transformer

Direct-to-line configurations

~ One ACS 2000

direct-to-line


Integrated Transformer



Power Stack




Simple and efficient maintenance on Power Stack


Reliable components

Minimized parts count through multilevel VSI topology results in increased reliability

Easy access

Easy front access to all drive components

Redundant cooling

Redundant fans increase availability


Power Stack DFE.



24 Pulse Diode rectifier



24 Pulse input



Diode system



DC Cap



Inverter



Inverter system



9 Level Output



Point of Grounding



Active Front end



Ride-Through principle


The energy stored in the rotating system of machine and load is used to keep the DC bus charged.

Once the DC bus voltage becomes too low, the drive enters ride-through mode.

In that mode the machine is used as a generator to compensate for converter internal losses.

The drive stays in ride-through mode until either main power is back to normal conditions or the machine speed reaches 10% rated speed.

In the latter case the drive trips.


Local Control





AMC & INT Board




Available options Flexible control interface

The ACS 2000 can be installed with all major fieldbus adapters for smooth integration, monitoring and controlling of different processes N-series fieldbus modules

Profibus Modbus Ethernet ABB Advant Fieldbus AF100 etc

Additionally for some configurations Anybus communication adapters are supported DeviceNet Ethernet IP ControlNet




Available options Advanced software tools

DriveOPC (OPen Connectivity)

For communication between ABB drives and Windows®-based applications

DriveWindow

Easy-to-use tool for commissioning and maintenance of ABB drive systems


DriveWindow This image cannot currently be displayed.


Available options Some more examples

Top or Bottom entry cabling

Space heater

IP 42

Pulse encoder

Door interlocking

Additional I/Os for motor and transformer supervision

Various auxiliary supply voltages

Different UPS single phase control supply

Cabinet paint finish



Cooling Cooling method Air cooling circuit with roof-mounted fan unit(s)

Heat losses < 4% of nominal output power (kVA)



After Sales Support

Local Technical support.

Service personnel

Annual service and PM

Local Training

During commissioning

On request by client.


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