Results on IEEE 118 bus system have been presented.
We propose two indices, viz, BOI and SORI, to further rank these multiple solutions, where BOI is bus observability index giving a measure of number of PMUs observing a given bus and SORI is system observability redundancy index giving sum of all BOI for a system. Minimum PMU placement problem has multiple solutions. also be modeled as linear constraints in an ILP framework. We show that zero injection constraints can. Hitherto, modeling of zero injection constraints had been a challenge due to the intrinsic nonlinearity associated with it. We propose a procedure for multistaging of PMU placement in a given time horizon using an integer linear programming (ILP) framework. This paper addresses various aspects of optimal phasor measurement unit (PMU) placement problem.
The NLSC method was found to achieve stable and reliable substructured responses, even when the substructured systems had significant nonlinearity as well as the pure time delay term. In the substructured tests, a trilinear hysteresis with piecewise linearity, commonly used in structural engineering, was embedded into the numerical substructure as the nonlinearity. study, the use of the NLSC method is demonstrated via substructured tests on nonlinear physical and numerical substructures.Ī series of substructuring tests were also conducted on a test rig, constructed within the ACTLab at the University of Bristol, which incorporated a pure time delay of 6.0 ms due to the presence of discrete-time elements. An advantage of NLSC is that it can be designed using the linearized models of the substructured systems without the need for accurate nonlinear dynamic models. A nonlinear substructuring control (NLSC) method is developed as a more generalised form of linear substructuring control (LSC) by incorporating nonlinear signal-based control (NSBC) into a dynamical substructuring system (DSS).
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