The Benefits of Using Abb Acs880 Drive

In this blog article, ABB's George Dodwell takes a look at ABB Drives ACS580 and the ACS880 and looks at the differences between these two General Purpose Drives.

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In the world of variable speed drives selecting the correct unit for your requirements can be a minefield, but it can be a straightforward process so I'm hoping to share a few points to consider to aid when choosing the drive that will best work for your application. Do you need crane control? Do you need DTC? Do you need an ultra low harmonic drive? These are just a few of the considerations, the important thing is to make sure we select the right drive for the application.

Let's start at the beginning by comparing the two main families of drive. We have the ACS580, which is the general allrounder and a true leader in its class, an outstanding drive in its own right and we have the ACS880 which is the next level up, this drive offers a much wider range of features which are available in the variable speed drive as standard.

Let's take a look at what is included in the ACS580 and what comes in the ACS880:

Feature ACS580 ACS880 Power ratings possible 0.37-500KW 0.37KW-KW Embedded PLC No Yes Cooling Methods Air / Flange Air / Flange / Liquid Direct Tourque control No Yes Ultra Low Harmonic No Yes Regenerative No Yes Memory unit for Parameter Back up No Yes Comms Network capacity 1 2

Key Features

So just to highlight  a few key features in a little more detail, the ZMU memory unit is one of my favourites. If on the rare occasion you have a drive fail, it can happen, the ZMU can save the day. You simply wire in the new drive and swap over the ZMU and you are back up and running with zero reprograming or configuration thanks to the memory unit.

Another of my favourite features of the ACS880 which is unique to this variable speed drive, is the application specific firmware we can embed within the drive, so whether the application is a crane, winch, or winder we have a pre-determined configuration which will help with ease set up and integration.

One of the main features of the ACS880 drive is the DTC (direct torque control) motor control mode can be used for more demanding applications e.g. crushers or extruders, where its dynamic torque reaction and open loop speed control can be a massive benefit.

In summary, both the ABB ACS580 and the ACS880 are truly excellent drives, for run of the mill scenarios, the ACS580 will give you all you need and for more complex arrangements and better flexibility the ACS880 will be the right solution. It all comes down to a correct assessment of the usage and then marrying up the right drive for the application. I am confident we can help you find the right drive for your application, whether it be complex motion or needing to talk to multiple different networks we have the drive to help you and please get in touch with the team at IDS who will be more than happy to help specify and get set up with the right drive for the application.

A range of new features for ABB's all-compatible ACS880 industrial drives meet increasing market demands. The features are part of ABB's continuous development, providing additional user benefits, through increasing functionality and flexibility in the drives and their motor control technology.

The new features cover a wide range of customer needs, including low harmonic management and capturing regenerative energy in cabinet-built single drives, as well as the regenerative rectifier unit (RRU) for use in multidrives. Certifications for marine vessels and for explosive environments are available, and simplified drive service and information access can now be done through mobile devices.

Capture and regenerate braking energy with cabinet-built single drives

Capturing braking energy provides clear cost savings for the user. The new ACS880 cabinet-built regenerative single drives are complete compact regenerative drive solutions. The drive offers a power range from 250 to kW and voltage range from 380 to 690 V. Enclosure classes extend from IP22 as standard, with IP42 and IP54 available as options. Braking energy is regenerated and returned to the drive for further distribution forward to the supply network, instead of being lost as heat. This gives more efficient energy savings compared to mechanical and resistor braking. Direct torque control (DTC) technology seamlessly transitions between motoring and generating modes. The active supply unit boosts output voltage, which guarantees full motor voltage even when the supply voltage is below nominal. This regenerative drive can provide unity power factor, low network harmonics, and a wide selection of features including built-in application control programs.

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Manage network harmonics with cabinet-built single drives

This new ACS880 cabinet-built low harmonic single drive produces a low level of harmonics. It is the first in the ACS880 drive series designed for weak supply networks where harmonics can be critical. The drive offers a power range from 250 to kW and voltages from 380 to 690 V. Enclosure classes extend from IP22 as standard, with IP42 and IP54 available as options. Compared to standard diode supply solutions, the drive produces exceptionally low harmonics, without needing external filters or multi-pulse transformers. By successfully managing harmonics the drive reaches unity power factor. The active supply unit in the drive can boost output voltage, which guarantees full motor voltage even when the supply voltage is below nominal. The low harmonic drive has a wide range of built-in features including ABB's premium direct torque control (DTC) technology.

Regenerative rectifier unit for multidrives

The new ACS880 regenerative rectifier unit (RRU) is the latest newcomer of supply units to the ACS880 multidrives series. It is intended for applications where regeneration is needed and harmonics of the diode supply are according to requirements. The RRU is equipped with a separate L-filter module. Compared to the IGBT supply unit (ISU) the RRU can get more power out of the same power modules. This is achieved by limiting IGBT switching to one pulse per cycle. As a result it gives a more cost-efficient solution for the regenerative supply.  RRU operation is also reliable during voltage dips.

Marine certification as essential equipment on maritime vessels

Marine-type approval is available for the wall-mounted ACS880 single drives. Certification by leading classification societies (ABS, BV, CCS, DNV GL, Lloyd's Register, NK and RINA) ensures compliance with major international standards. The user gets clear benefits as all required tests have been performed for the drive's use in marine environments. Certified marine drives fulfill marine and offshore requirements for winches, cranes, pumps, compressors, HVAC, thrusters and propulsion systems. Marine vessels use drives to help save energy and fuel, reduce noise and enable accurate speed and torque control. Other benefits include increased reliability and reduced maintenance. This drive is produced for demanding conditions and process control needs, and its compact size saves space onboard. Wall-mounted single drives offer three enclosure classes (IP20, IP21 and IP55), fulfilling requirements such as ambient temperature rating, vibration, voltage and frequency variations, EMC and harmonics. The drive's coated boards improve reliability in harsh marine environments.

Certification for explosive atmospheres

ABB motors for explosive atmospheres are type tested and ATEX and IECEx certified in variable speed operation together with ACS880 industrial drives. ABB's extensive experience with explosive atmospheres and comprehensive motor and drive testing helps users optimize drive selection without over-dimensioning. The drive's ATEX certified built-in protection functions, a wide range of options which are easy to program, and scalable control performance together with ABB motors make this an ideal choice for safe operation in explosive atmospheres.

Fast, easy service and information using mobile devices

The ACS880 industrial drives offer built-in service functionalities for gathering service information. By downloading ABB's new Drivebase app the user can easily link the drive to ABB's service support. Should a fault occur with the drive, a QR code is generated through the assistant control panel on the drive. The user can scan the QR code with a mobile device, which then accesses the ABB service site. This rapidly gives critical information about the error and troubleshooting recommendations, rather than having to page through a manual.

ABB continues to develop technology to both simplify drive use and ensure that the customers get increased added value from the products. Whatever the application, ABB has the right drive to boost reliability, productivity and efficiency

 

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