283  Abstract— Reactive power flow in a power system is optimized by real power loss minimization and it is essential for secured operation of power systems with regard to voltage stability and it also improves the economics of power system operation. Generator bus voltage magnitude, transformer tap settings and SVC controllers are the control variables for reactive power flow optimization. In...

This paper presents an approach to determine the optimal PMU locations in order to render the complete observability to given power system using BPSO. Quadratic programming approach is used in BPSO, and results so obtained are compared with GAMS-MIP solver. A Method for Pseudo observability is also proposed for depth-one and depth-two with and without Zero injection measurements for IEEE-7, IEE...

Prior to the mid 1980s, the dominance of through-hole packaging of integrated circuits (ICs) provided easy access to nearly every pin of every chip on a printed circuit board. Providing accessibility and controllability for board testing was simply a matter of probing the board. With the advent of surface mount packaging, the accessibility for probing printed circuit boards began to diminish. L...

in this paper, a multi-objective reconfiguration problem has been solved simultaneously by a modified ant colony optimization algorithm. two objective functions, real power loss and energy not supplied index (ens), were utilized. multi-objective modified ant colony optimization algorithm has been generated by adding non-dominated sorting technique and changing the pheromone updating rule of ori...

Mapping the spatial distribution of nodal inertia is crucial for helping system operators identify locational frequency stability issues in power operation planning process. Currently, index-based methods cannot retrieve values all load buses. To do so, this paper proposes an accurate analytical formulation relying only on steady-state parameters to determine and, thus, map inertia. The perform...

The Analog and Mixed-Signal Boundary-Scan Standard (IEEE1149.4 hereafter referred as dot4) was developed to measure external discrete components in a mixed-signal Printed Circuit Assembly (PCA). This bus uses 4 of the same signals used today to support IEEE1149.1 compliant devices and systems. It uses two additional wires bus to perform analog monitoring and control. But testing a mixed-signal ...

For FA (factory automation) and ATE (automatic test equipment) in the industrial area, the standard bus is required to increase the system performance of multiprocessor environment. VME (versa module european package format) bus is appropriated to the standard bus but has the features that is the small of package and the low density of board. Beside, the density of board and semiconductor have ...

This paper proposes the stochastic tabu search (STS) for improving the measurement scheme for power system state estimation. If the original measured scheme is not observable, the additional measurements with minimum number of measurements are added into the system by STS so that there is no critical measurement pair. The random bit flipping and bit exchanging perturbations are used for generat...