Case study

Biomass plant grid study


Our client needed to install a Biomass Combined Heat and Power Plant (CHP) to replace their existing on-site generation. This new plant would be capable of generating 50MW of electrical power; part of which would be consumed by the plant with remainder being exported to the National Grid. The various stakeholders involved in building the plant needed assurance regarding the electrical feasibility of the project, and its ability to meet the constraints of both the Distribution Network Operator (DNO) and the client.


Using advanced mathematical modelling techniques, Frazer-Nash conducted an electrical power system analysis of the initial concept design to assess the potential impact of the proposed plant on the fault levels of both the industrial client and the DNO. We then constructed a computer simulation of the electrical power architecture at the client's premises using the IPSA™ modelling. Using this model enabled us to simulate extreme operating conditions, along with a series of switching events to analyse the load flow and maximum fault levels.


Using our detailed systems analysis technology, Frazer-Nash was able to provide independent expert advice as to the overall feasibility of this concept. In particular, we were able to identify the limit of operation of the proposed design for the various operating regimes, and recommend the best options available to overcome their system's limitations.

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