Electronic load controller with power quality improvement of isolated induction generator for small hydro power generation

Rajagopal, V.; Singh, Bhim; Kasal, Gaurav Kumar

doi:10.1049/iet-rpg.2010.0081

Cited by 56 publications

(28 citation statements)

References 13 publications

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“…10 In isolated grids such as the ship power systems, squirrel cage induction generators can be a general choice for auxiliary renewable energy generation because of their robust construction, low cost, and less maintenance requirement. 11,12 Induction generator with a capacitor bank connected across its stator, to supply reactive power, is termed as self-excited induction generator (SEIG). Variations in generator voltage and the frequency with changes in loading conditions and prime mover speed are the inherent disadvantages associated with SEIG.…”

Section: Introductionmentioning

confidence: 99%

SEIG‐based renewable power generation and compensation in MVDC ship power system

Tandekar

Ojha

Das

et al. 2018

Int Trans Electr Energ Syst

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Summary Medium voltage direct current (MVDC) is an emerging trend in ship power system to cater the growing power demand in modern navy applications. Marine diesel oil (MDO) is the primary fuel in the shipping sector. However, with rising oil prices and harmful emissions, there is a greater need than ever for ship operators to consider clean power generating options. Keeping this in mind, this paper aims to present a renewable energy solution through development and integration of a three‐phase self‐excited induction generator (SEIG)–based renewable biofuel generator in MVDC ship power system. A three‐phase current controlled voltage source inverter (VSI) working as a static synchronous compensator (STATCOM) performs multiple tasks of harmonic elimination and regulation of the generated voltage under varying load. Gating pulses to the STATCOM switches are generated using indirect current theory‐based controller. An integral sliding mode‐controlled direct current to direct current (DC‐DC) converter feeding ship service loads in MVDC shipboard system has taken as a nonlinear load. A laboratory prototype of the complete system has developed to validate the concept.

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Section: Introductionmentioning

confidence: 99%

SEIG‐based renewable power generation and compensation in MVDC ship power system

Tandekar

Ojha

Das

et al. 2018

Int Trans Electr Energ Syst

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“…However, these control schemes do not compensate harmonic currents injected by nonlinear loads and hence do not satisfy power quality standards at nonlinear loads. The control schemes based on Least Mean Square theory and PQ theory for the control of three-phase SEIG are reported in [7][8]. These schemes cannot be directly used for voltage and frequency control of single-phase SEIG and do not have sufficiently fast dynamic response to achieve single point operation.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Power Generation From Two-Winding Single-Phase SEIG Using LMDT-Based Decoupled Voltage and Frequency Control

Kalla

Singh

Murthy

2015

IEEE Trans. Ind. Electron.

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This paper proposes a leaky minimal disturbance theory (LMDT) based decoupled control of voltage and frequency for two winding single-phase self-excited induction generator (SEIG) for enhanced power generation and power quality improvement. Single-phase two winding SEIGs are normally designed with 33% de-rated capacity in comparison to three phase SEIGs of same frame size. Using single-point operation performed by proposed Decoupled Voltage and Frequency Controller (DVFC), the two winding single phase machine can generate enhanced power output, nearly 33% higher than its normal capacity. It is equal to the power generated by three phase machine with the same frame size. The DVFC consists of a VSC (Voltage Source Converter) and a closed loop controlled dump load. A single-phase VSC is used for harmonics and fundamental reactive power compensation for system voltage control and harmonics mitigation. The control of VSC is achieved using LMDT based control algorithm. The minimal disturbance theory based control algorithm is used for potentially fast convergence and fast dynamic response whereas the leakage factor is added for improving the steady state performance of the system. The LMDT control based VSC-BESS (battery energy storage system) scheme is also implemented for voltage and frequency control of single phase SEIG. Both schemes are implemented in real time using a digital signal processor (DSP).Index Terms-single phase SEIG, power quality improvement, voltage and frequency control. 0278-0046 (c)

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“…Various practical applications of shunt compensating devices have been reported in the literature for removal of the DC component [5], selective harmonic compensation [6], voltage regulation [7], etc. Authors have described their worth in various applications, including in aircraft power systems [8], small hydro power generation [9], and diesel-engine-based power generation [10]. Performance of a shunt compensating device depends upon the type of control algorithm used for estimation of reference currents.…”

Section: Introductionmentioning

confidence: 99%

Design and Implementation of Adaptive Neuro–Fuzzy Inference System Based Control Algorithm for Distribution Static Compensator

Badoni

Singh

2015

Electric Power Components and Systems

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Electronic load controller with power quality improvement of isolated induction generator for small hydro power generation

Cited by 56 publications

References 13 publications

SEIG‐based renewable power generation and compensation in MVDC ship power system

SEIG‐based renewable power generation and compensation in MVDC ship power system

Enhanced Power Generation From Two-Winding Single-Phase SEIG Using LMDT-Based Decoupled Voltage and Frequency Control

Design and Implementation of Adaptive Neuro–Fuzzy Inference System Based Control Algorithm for Distribution Static Compensator

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