Power rating reduction of distribution static synchronous compensator for voltage and frequency regulation of stand-alone self-excited induction generator

Scherer, Lucas Giuliani; Tischer, Celso Becker; Camargo, Robinson Figueiredo de

doi:10.1016/j.epsr.2017.04.013

Cited by 8 publications

(5 citation statements)

References 19 publications

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“…Moreover, the generator has low efficiency due to the distorted currents drawn by the rectifier. Hybrid excitation schemes in Figure 3b with the reactive power supplied by a static var generator (SVG) provide smooth voltage regulation [26,28,35]. A voltage source converter (VSC) is adopted as the SVG, with 𝐿 𝑠 as the boosting inductors [28].…”

Section: Assesment Of Possible Power Conversion Topologiesmentioning

confidence: 99%

“…Hybrid excitation schemes in Figure 3b with the reactive power supplied by a static var generator (SVG) provide smooth voltage regulation [26,28,35]. A voltage source converter (VSC) is adopted as the SVG, with L s as the boosting inductors [28]. The VSC bus voltage v Ds is controlled to be greater than the peak value of the SEIG line-to-line voltage so that the VSC can inject the reactive power Q 2 into the generator for voltage regulation.…”

Section: Assesment Of Possible Power Conversion Topologiesmentioning

confidence: 99%

“…Voltage regulation of a variable-speed SEIG is challenging due to its nonlinear characteristics [23,28,34]. The nominal synchronous speed of this SEIG was 100π rad/s, which can tolerate a speed range of ±10%.…”

Section: Proposed Seig-based Power Conversion Systemmentioning

confidence: 99%

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Grid Integration of Livestock Biogas Using Self-Excited Induction Generator and Spark-Ignition Engine

Trairat,

Somkun,

Kaewchum

et al. 2023

Energies

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This study developed a grid-connected biogas power generation system for a rural community using a 3-phase 2.2 kW squirrel-cage induction machine as the self-excited induction generator. The generator was driven by a 196 cc single-cylinder spark-ignition engine fueled by biogas. We developed a back-to-back converter that consists of a 3-phase PWM rectifier as the generator-side converter and a single-phase LCL-filtered grid-connected inverter. The generator-side converter transferred the active power to the grid-side converter and supplied the reactive power control back to the generator. The notch filter-based bus voltage control on the generator side mitigated the inter-harmonics in the generator current. The injected grid current complied with the IEEE 1547 standard because of the multi-frequency unbalanced synchronous reference frame control. The proposed system was validated with biogas produced from pig manure at a pig farm in central Thailand, which found a maximum output of 1.2 kW with a thermal system efficiency of 10.7%. The proposed system was scheduled to operate at 1.2 kW for 8 h per day with a levelized cost of 0.07 US$/kWh, 42% cheaper than the retail electricity price, and a payback period of 2.76 years. The proposed system is suitable for a farm with a minimum of 34 pigs.

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Section: Assesment Of Possible Power Conversion Topologiesmentioning

confidence: 99%

Section: Assesment Of Possible Power Conversion Topologiesmentioning

confidence: 99%

See 1 more Smart Citation

Grid Integration of Livestock Biogas Using Self-Excited Induction Generator and Spark-Ignition Engine

Trairat,

Somkun,

Kaewchum

et al. 2023

Energies

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“…λ qs = X ls i qs + X m i qs + i qr (7) λ ds = X ls i ds + X m i ds + i dr (8) λ qr = X lr i qr + X m i qs + i qr (9) λ dr = X lr i dr + X m i ds + i dr (10) where, v qs , i qs , λ qs -Voltage, current and flux linkage stator for the quadrature axis (V, A, Wb).…”

Section: Mathematical Modelingmentioning

confidence: 99%

“…In the studies in [7], [8], a self-excited induction generator voltage and frequency control is performed, a hybrid topology with switched capacitor bank and static distribution compensator (DSTATCOM) is proposed.…”

Section: Introductionmentioning

confidence: 99%

Capacitor Bank Sizing for Squirrel Cage Induction Generators Operating in Distributed Systems

2020

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The design of the capacitor bank to be placed with the squirrel cage induction generator, when operating with a direct connection to the distribution system, is performed from the value of the magnetization reactance of the machine. Based on the experimental procedures, the necessary reactive power is simulated according to the induction generator loading. Therefore, with the increase in generated active power, a larger portion of reactive is required. The simulation indicates the values of ideal capacitors. Thus, an analysis is made of which magnetization reactance factor is ideal for the capacitor bank design designated for the generator. The characteristic curve for capacitor bank sizing is related to the load torque loading depending on the active power generated. Thus, this work contributes to the analysis of the self-excitation curve of the three-phase induction generator that operates in parallel with the steady-state power distribution network. Obtaining the active power generated as a function of the absorbed reactive power required for induction generator magnetization can be found.INDEX TERMS Electric machines, distributed power generation, generators, power generation, power generation economics.

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SEIG-based transient- and steady-state analysis using dragon fly approach

Singh

Singh²

2022

Soft Comput

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Power rating reduction of distribution static synchronous compensator for voltage and frequency regulation of stand-alone self-excited induction generator

Cited by 8 publications

References 19 publications

Grid Integration of Livestock Biogas Using Self-Excited Induction Generator and Spark-Ignition Engine

Grid Integration of Livestock Biogas Using Self-Excited Induction Generator and Spark-Ignition Engine

Capacitor Bank Sizing for Squirrel Cage Induction Generators Operating in Distributed Systems

SEIG-based transient- and steady-state analysis using dragon fly approach

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