Wallumbilla Gas Hub

Located in remote central Queensland, the Wallumbilla Gas Hub is a major part of the Australian natural gas infrastructure network. The function of this facility is to compress the natural gas that is extracted from the ground in that area and pipe it to Brisbane and Rockhampton. To comply with the requirements, Fuseco supplied a Sinexcel 200A Active Harmonic Filter in an IP54 cabinet due to its exceptional performance, small footprint and flexibility.

Wallumbilla Gas Hub

Located in remote central Queensland, the Wallumbilla Gas Hub is a major part of the Australian natural gas infrastructure network. The function of this facility is to compress the natural gas that is extracted from the ground in that area and pipe it to Brisbane and Rockhampton. To comply with the requirements, Fuseco supplied a Sinexcel 200A Active Harmonic Filter in an IP54 cabinet due to its exceptional performance, small footprint and flexibility.

THE PROBLEM

Part of the design specification was a defined electrical harmonic level for the site. The majority of the load comprises of VSD’s and the Engineering team decided to use an Active Harmonic Filter to mitigate the harmonics at the main switchboard and comply with the requirements. The electricity supply to the site consists of the local grid and two generators. When running at full load all three of these supplies are required to power the site.

  • Modular, compact and light weight
  • Provides reactive power
  • Provides load balancing
  • Harmonics compensation capability. Compensates 2nd to 50th harmonic order or simultaneous compensation of all 50 harmonic orders.
  • Ease of installation and commissioning. Literally 'plug & play'.
  • Complies with IEEE519, IEC61000, IEC60146, EN55011, EN50091

THE SOLUTION

Fuseco selected the Sinexcel 200A Active Harmonic Filter (AHF) due to its exceptional performance, small footprint and flexibility. In this case an IP54 version was installed to comply with the customer’s requirements. One of the challenges of this site was that the incoming supply was soft and unpredictable which necessitated the use of two large generators on-site. It was deemed important for the AHF to be able to operate efficiently in such an environment that often had three independent synchronised power supplies.

THE OUTCOME

The results were immediate and the performance of the AHF was above and beyond the requirements of the specification, the Supply Authority and the manufacturer of the two Generators.  
If we refer to the screen shot from the AHF’s touch screen post installation, we can note the following points: 

1. The harmonic content of the load is 32%, which is quite typical of VSD loads (top left) 
2. The Sinexcel AHF mitigated the load harmonics down to approx. 3% (bottom right)  
3. As a result of the compensation by the AHF the corresponding grid voltage harmonics is approx. 2% (bottom left) 


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From the moment the AHF and SVG units were turned on our power factor issues were a thing of the past. At both sites our PF is now 0.99 on all phases all the time, the units react instantaneously to our fluctuating load and power factor and the result has been an excellent return on investment.

Brad Kilner

OPERATIONS MANAGER AT KILNER'S ENGINEERING

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