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Reference Number NIA_SPT_1507
Title Modelling of Static and Dynamic Loads
Status Completed
Energy Categories OTHER POWER and STORAGE TECHNOLOGIES(Electricity transmission and distribution) 100%;
Research Types Applied Research and Development 100%
Science and Technology Fields ENGINEERING AND TECHNOLOGY (Electrical and Electronic Engineering) 100%
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Project Contact
No email address given
SP Energy Networks
Award Type Network Innovation Allowance
Funding Source ENA Smarter Networks
Start Date 01 January 2015
End Date 01 January 2017
Duration 24 months
Total Grant Value £75,000
Industrial Sectors Power
Region Scotland
Programme Network Innovation Allowance
 
Investigators Principal Investigator Project Contact , SP Energy Networks (100.000%)
Web Site http://www.smarternetworks.org/project/NIA_SPT_1507
Objectives The key objectives are to: Maximise Economic and Effective Utilisation of Network Assets Maximise Operating Efficiency Understand the Impact of Emerging Technologies on Future Networks Supporting SPEN Decision Making In support of the above the following will be undertaken: 1. Literature review of the existing aggregated static and dynamic load models2. Review of estimation methods used for the estimation of unknown load model parameters. 3. Creation of computer suite for assessing behaviour of different load models and understanding the interaction between different load models and the supplying grid. 4. Development of a robust estimation method for the estimation of unknown load model parameters. 5. Validation of new robust estimation methods using detailed static/dynamic load models through extensive computer simulation. 6. Validation of load models using data recorded under laboratory conditions. Introduce accurate and realistic static and dynamic load models for power system simulations used for network planning and operation studies Maximising capacity of existing assets and thereby potentially deferring network reinforcement. Influence on fundamental network design principles Improved prediction of load behaviour after voltage and/or frequency changes. Wide understanding of new measurement/estimation/optimisation techniques, which can be applied to different applications within utilities Minimize number of customers’ outages and reduced probability of blackouts
Abstract The load model is one of the most important elements of the models used for network planning studies and system operation. As it is known, the load behaviour is highly dependent on voltage and frequency, i.e. the active and reactive power consumed by the load can be described as a function of system voltage and frequency. This relationship is rather complex and is commonly described using nonlinear load models that are dependent on voltage and frequency. However, a load model cannot be used to properly describe the load characteristics without the proper model parameter values. It is these parameter values that allow a generic load model to represent the specific characteristics of a load centre. For example, different load centres can be represented using the same load model, as they present the same general behaviour, but different model parameter values to distinguish between their specific natures. However, a challenge in determining these load parameter values is that the composition of the load and consequently the suitable parameter values, or even the most suitable model, will vary throughout the day, seasonally and over the years as the customer demand changes (e.g. the advent of consumer electronics in the past decades or the anticipated adoption of the heat pump for domestic heating). This means that the validity of a load model will decay over time and this is why load characteristics should be permanently monitored. Developing detailed knowledge of the individual bus loads in an electric distribution system could prove remarkably beneficial for both planning activities and system operation. The difficulty lies in the fact that the load consists of a multitude of disparate components with widely differing characteristics, which, nevertheless, must be represented by a single aggregated model. Load models are necessary during system planning and operation studies because it is not feasible to include an individual model for each individual component of load in the system. The concept of aggregated loads is the best option for the study of load behaviour and its effect on the power system. This aggregated model balances the loss of accuracy that is inevitable during aggregation against the necessity of developing practical load models for system studies. Aggregated load models represent groups of loads, which together respond in a way that can be modelled by general equations. In this context, the existing load models can be classified into two major groups: a) Static load models b) Dynamic load modelsNote : Project Documents may be available via the ENA Smarter Networks Portal using the Website link above
Publications (none)
Final Report (none)
Added to Database 14/09/18