A Novel Digital Control Technique of Electronic Load Controller for SEIG Based Micro Hydel Power Generation

Murthy, S. Srinivasa; Ramrathnam,; Gayathri, M.; Naidu, Kiran; Siva, U.

doi:10.1109/pedes.2006.344279

Cited by 14 publications

(6 citation statements)

References 3 publications

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“…change the configuration of the electronic topology to minimize the line distortion in SHMPP [14]. With the development of power electronics, new topologies were introduced for SMHHP based ELC system, e.g., TRIAC based regulators [15][16][17][18][19][20][21][22], Rectifier control based Silicon controlled Rectifier (SCR) [23][24][25][26], and insulated gate bipolar resistor (IGBT) based uncontrolled rectifier [27]. Also IGBTs with different configurations based on number of legs were also introduced for MHPP based ELCs e.g.…”

Section: Voltage and Frequency Control Of Standalone Mhppmentioning

confidence: 99%

“…Selfexcited induction generators (SEIG) were initially employed to their robustness, reliability, and cost-effectiveness. Many control schemes were presented to regulate the frequency and voltage of SEIG; for example, an analog control scheme was proposed in [12], digital signal processor (DSP) based ELCs in [34,35], the current control scheme in [15], a feedforward control scheme for ELC in [25,36,37], and P, PI, and PID based control schemes in [38][39][40][41][42]. For MHPPs using asynchronous generators, a PI-based frequency and voltage control technique is proposed in [31,43,44], PI-based power control technique is proposed in [30,33], deadbeat control schemes in [45], PLL based integrated ELC in [46][47][48] and optimization-based control methods in [49][50][51].…”

Section: Voltage and Frequency Control Of Standalone Mhppmentioning

confidence: 99%

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Control Methods for Standalone and Grid Connected Micro-Hydro Power Plants With Synthetic Inertia Frequency Support: A Comprehensive Review

et al. 2020

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The penetration of renewable energy sources on a large scale in conventional electric networks increases exponentially for environmental preservation. However, the increase in RESs leads to some technical problems that include (a) fluctuations in power production, (b) less or no generation units for power balancing, (c) reduced inertia due to RESs decoupling from the conventional grid using converters. Micro-hydro power plants (MHPPs) are emerging as a mature balancing technology and a great alternative to large hydropower plants as they encounter population displacement and many environmental problems. Modern pump storage MHPPs uses a power converter between the grid and machine to control the consumption of power during pumping mode. This power electronic interface loses the ability of the rotating mass of the machine to contribute to the grid inertia by making it independent of the grid frequency. This problem is solved through the control of power converters in such a way that the inertia effect is synthesized termed as synthetic inertia. MHPPs can also be operated in a standalone mode where they are not connected to the grid. This paper reviews control schemes applied in literature for the frequency, voltage, and inertia control, in both the grid-connected and standalone modes. This study starts with the standalone MHPPs, covering the literature review and control structure for voltage and frequency control of standalone MHPPs. Then it presents a detailed operation, control principle, synthetic inertia concepts, and architecture of grid-connected MHPPs. The mathematical formulation of the grid, permanent magnet synchronous generator, synthetic inertia inclusion, and control structures, including direct torque control, virtual synchronous machine, and model predictive control, is also presented. Finally, the paper presents the concluding remarks with the comparative analysis of various control structures to include synthetic inertia, its suitability, and future scope for MHPPs.

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Section: Voltage and Frequency Control Of Standalone Mhppmentioning

confidence: 99%

Section: Voltage and Frequency Control Of Standalone Mhppmentioning

confidence: 99%

Control Methods for Standalone and Grid Connected Micro-Hydro Power Plants With Synthetic Inertia Frequency Support: A Comprehensive Review

et al. 2020

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“… Electronic load controller and dump load based schemes for single phase SEIG system (a) Schematic diagram of single‐phase SEIG with ELC [47, 50–52], (b) Schematic diagram of single‐phase SEIG with load controller [55], (c) Binary ELC for small hydro driven one‐phase SIEG [53], (d) System configuration of SEIG scheme with MELC controller [54]…”

Section: Developments Of Single‐phase Seigmentioning

confidence: 99%

State‐of‐the‐art and comprehensive study of renewable energy sources based microgrid with single‐phase self‐excited induction generator

Kalla

Singh

Kumar³

et al. 2020

IET Renewable Power Generation

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This study presents a comprehensive study of microgrid systems using a single‐phase self‐excited induction generator (SEIG) using renewable energy sources (RESs) and their integration with other energy sources. It investigates on the use of a single‐phase two‐winding SEIG for off‐grid single‐phase power generation from different RESs. Various solid‐state controllers are implemented for each configuration. This is the first time, such an attempt is made to use a specially designed SEIG for sustainable energy application to feed single‐phase loads vastly prevalent in isolated and distant locations in accessible to the grid. This work has great importance due to the non‐availability of the power in remote regions in developing countries. Moreover, there is a need to use local RESs such as bio, hydro, wind in combination with the solar energy. The present global need to generate pollution free electricity makes this work quite important. Thus, this study presents a comprehensive review of different modes of SEIG using RESs for single‐phase power generation realising the microgrid feeding a combination of practical loads with viable and successful controllers to ensure desired quality power across loads.

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“…When combining passive and active circuit elements, phase balancing can be achieved by using the C-2C topology and a single-phase Electronic Load Controller [12,13]. This topology is suitable for resistive loads only.…”

Section: Introductionmentioning

confidence: 99%

Stability limits of a three-phase induction generator supplying single-phase loads

Ion

Marinescu

2013

2013 8th International Symposium on Advanced Topics in Electrical Engineering (Atee)

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This paper analyzes the stability limits of an autonomous three-phase induction generator supplying singlephase loads. By using a particular balancing algorithm, varying resistive and resistive-inductive loads are successfully supplied up to a threshold of 85% from the generator power in threephase mode. As the load active power is increased beyond this limit, the voltage tends to decrease. Experiments are carried out in order to establish the overall system behavior when loaded to full load. They show that it is possible to supply the loads beyond the 85% limit.

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A Novel Digital Control Technique of Electronic Load Controller for SEIG Based Micro Hydel Power Generation

Cited by 14 publications

References 3 publications

Control Methods for Standalone and Grid Connected Micro-Hydro Power Plants With Synthetic Inertia Frequency Support: A Comprehensive Review

Control Methods for Standalone and Grid Connected Micro-Hydro Power Plants With Synthetic Inertia Frequency Support: A Comprehensive Review

State‐of‐the‐art and comprehensive study of renewable energy sources based microgrid with single‐phase self‐excited induction generator

Stability limits of a three-phase induction generator supplying single-phase loads

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