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Metal enclosed capacitor banks ABBACUS

Reactive power compensation system with modular fixed or multistage switched capacitor steps that can compensate to a preset power factor

The ABBACUS family of metal enclosed capacitor banks (MECB) are a packaged factory assembled and tested reactive compensation system with modular fixed or switched capacitor steps, which automatically compensate an individual load or of the network to maintain a preset level of power factor (cos phi). The ABBACUS family comprises of A-E series of metal enclosed capacitor banks that cater to a wide range of applications and requirement for reactive power compensation and harmonic filtering in medium voltage networks. The ABBACUS family is a 'one stop shop' solution with an integrated package of ABB's premium range of primary and secondary equipment. The solution combines primary components, and secondary control and protection, within a compact modular enclosure.

Available options include:

  • Inrush, detuning or filter reactors
  • Switched of fixed
  • Indoor or outdoor
  • Aluminum, stainless steel and mild steel enclosures
  • Automatic or manual control
  • Cooling or heating options
  • Unbalance protection
  • Interlocking
  • Arc fault mitigation

Applications
The design of the ABBACUS family allows compensation for both electrical distribution networks, renewables like wind and solar farms and industrial networks in various segments such as mining, metals, pulp and paper, chemical, petrochemical, oil and gas, cement, plastics and other heavy industries.

Why ABB?
The new ABBACUS A-E series MECB family is built on the world-wide experience of ABB’s renowned metal enclosed capacitor bank ABBACUS, which continues to improve power quality for customers across the world for more than 20 years. The key features of ABB’s new ABBACUS A-E series MECB are:

  • ABB's premium range of components
  • Factory tested
  • Integrated design of primary and secondary equipment
  • Range of enclosure types to suit a variety of applications
  • Proven ABB design reducing life cycle costs
  • Fully enclosed design protecting live parts
  • Type tested bus bar system
  • Modular in design and easily expandable
  • Re-locatable asset - can be moved as plant demands change
  • Flexibility in the range of options available to suit differing applications
  • In addition, with ABB's presence in more than 100 countries globally, service and support is always close
Range overview:
ABBACUS A-Series B-Series C-Series D-Series  E-Series 
Overview Basic reactive power compensation for fixed loads  Basic automatic reactive power compensation for dynamic or fixed loads  Basic automatic reactive power compensation for dynamic or fixed loads on polluted networks Intermediate automatic reactive power compensation for  dynamic or fixed loads on polluted networks Advanced reactive power  compensation for  dynamic or fixed loads on polluted networks
Market segment Light industrial Heavy industrial, light industrial Heavy industrial, light industrial, infrastructure Utility, heavy industrial, light industrial, infrastructure, renewable Utility, heavy industrial, light industrial, infrastructure, renewable
Product description Compact fixed solution up to 0.7 Mvar at 12kV Small modular switched solution with basic protection options up to 1 Mvar at 12kV Mid-sized modular detuned/ filter switched solution with basic protection options up to 1 Mvar per module at 12kV Modular mid-sized detuned/ filter switched solution with increased protection options up to 2.5 Mvar per module at 12kV Modular full-sized inrush/ detuned/ filter switched/ fixed solution with advanced protection options up to 2.5 Mvar per module at 12kV to 6 Mvar at 36kV
Brief performance data

ABBACUS

Voltage 1-38 kV
Maximum output Up to 30 Mvar
Frequency 50 or 60 Hz
Location Indoor or outdoor
Ambient temperature -10/+50°C (lower/higher ratings available on request)
Altitude < 1000 m above sea level
Humidity Maximum 90% RH non-condensing
Insulation level Up to 200 kV BIL
Short circuit current Up to 50 kA for 1 second
Bank configuration Fixed, switched, single or multistep
Standards IEC, IEEE / ANSI , CSA or equivalent
ASCE 7-10 120mph wind rating
IEEE 693-2005 high seismic level
MSK-64 X rating for seismic intensity

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