Optimal signal selection of wide area damping controller considering time delay in multi-machine power system

Patidar, N. P.; Kolhe, Mohan Lal; Sharma, Archi; Nagar, L. K.; Tripathy, N. P.; Sahu, Binod Kumar

doi:10.1109/appeec.2015.7381013

Cited by 4 publications

(2 citation statements)

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“…The remote stabilizing signals are often considered to as "global signals". In the selection of stabilizing signals and control location the effort should be to use as few measurement and control device as possible to achieve acceptable damping effect [17,18].…”

Section: Signal Selection and Controller Locationsmentioning

confidence: 99%

See 1 more Smart Citation

Optimum placement of PMU for wide area measurement systems

Kolhe¹,

Patidar²,

Nagar³

et al. 2018

SGCE

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This paper presents identification of a best selection process for selecting the most effective stabilizing signal to improve damping of inter area oscillations in a multimachine power system. Phasor Measurement Units or PMUs are a key element of the Wide Area Measurement Systems (WAMS). The large amount of data collected by PMUs need to be channelized to regional and global data centers where real-time state estimation, and protection, stabilization decisions are made. It is shown in this paper that how different signal selection techniques provides different control loop for damping of a particular inter area mode of oscillations. In spite of these the controller locations were obtained for optimum placement of phasor measurement units for wide area measurement systems. It is resulted from the two area 4 machine system that the HSV based signal selection approach performs excellent in both small and large disturbance for the test system compared to both residue and geometric measure of joint controllability and observability approach. Non-linear simulations are carried out in order to evaluate the performance of different approaches of signal selection under study.

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Section: Signal Selection and Controller Locationsmentioning

confidence: 99%

“…In addition to the critical mode identification, modal analysis was also performed for coherent machine identification where the one group of generators forms one area and oscillating with another group of generators [17]. Compass plot shows the coherent areas in the studied system as shown in Fig.…”

Section: Small Signal Stability Analysismentioning

confidence: 99%