Power generation-Electrical power quality survey case study


Electrical power survey

Client
Papermaker

Business Need
Establish a quantitative baseline of the electrical power quality at the point of connection of an industrial site with the grid.

 

THE CHALLENGE

A papermaker was planning to install a Biomass Combined Heat and Power (CHP) Plant on their site to replace their on site generation. This new plant, which was to be built and managed by separate companies, would be capable of generating 50MW of electrical power to be partially consumed by the plant and with the remainder being exported to the grid.

The various stakeholders needed to be assured that the project would meet the connection requirements of the Distribution Network Operator (DNO) and the industrial client.

OUR SOLUTION

We carried out electrical studies to assess the initial concept solution and its impact on the fault level of both the industrial customer and the DNO. Our scope of work included:

  • Site survey for the development of an IPSA model;
  • Carry out Load flow and Fault level studies for various operating arrangements, extreme operating conditions and switching events;
  • Identification of fault limiting reactors to maintain fault levels at the connecting substation within switchgear limits, and any operational restriction resulting from the new arrangement.

THE BENEFITS

With this work we were able to provide an independent assessment of the feasibility of the concept solution. In particular, we were able to identify the limits of operation of the proposed design for the various operating regimes. Through these studies we were able to advise the stakeholders on the options to overcome their system limitations, such as the sizing of suitable fault limiting reactor devices.

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We provide a comprehensive range of engineering and technical services to support our clients in diverse industries. For additional information on the skills and services we offer within specific sectors please visit our Markets pages.

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