Microturbine Power Conversion Technology Review

Staunton, R.H.; Ozpineci, Burak

doi:10.2172/885881

Cited by 27 publications

(24 citation statements)

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“…Hybrid co-generating systems, either three-generating or combined gas-steam ones can be most often met [1][2][3][10][11][12][13]16,[18][19][20][21]24,25,27]. Steam turbines may find application to micro-power plants which co-generate electric power and heat.…”

Section: Introductionmentioning

confidence: 99%

Design analysis of turbines for co-generating micro-power plant working in accordance with organic Rankine's cycle

Mikielewicz¹,

Piwowarski²,

Kosowski³

2009

Polish Maritime Research

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Problems faced by designers of such turbines are associated with very small volumetric flow rate of working medium. It leads to small values of height of flow-part blades (hence to increased loss of flow rate) and high values of rotor speed, namely from a few dozen to over a hundred thousand rpm, usually.In all the considered variants the power plants operated on the Solkatherm ® SES36 working medium. Calulations were performed in compliance with the power plant schematic diagram shown in Fig. 1, for four values of the cycle's thermal power: 25 kW, 50 kW, 75 kW and 100 kW. Particular variants, depending on a heat power value, differred from each other only by value of working medium flow rate, and its parameters at turbine inlet, as well as pressure behind the turbine were the same for all the considered cases:-the pressure at turbine inlet, p 0 = 1464 kPa,-the temperature at turbine inlet, t 0 = 140 0 C, -the pressure behind the turbine, p 2 = 189 kPa.Within the frame of performed design analyses the following types of microturbines were taken into account:

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Section: Introductionmentioning

confidence: 99%

Design analysis of turbines for co-generating micro-power plant working in accordance with organic Rankine's cycle

Mikielewicz¹,

Piwowarski²,

Kosowski³

2009

Polish Maritime Research

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“…A number of factor are driving this trend, including economic benefits, environmental concerns, reliability requirements, and tax incentives. Popular technologies include microturbines [1], fuel cells [2], and renewable sources such as solar and wind power [3], [4]. This list will certainly grow though, with the advent of plug hybrid electric vehicles and efficient energy storage, to mention just two technologies that are drawing significant attention.…”

Section: Introductionmentioning

confidence: 99%

“…Figure 1 provides an example of a simple microgrid. 1 The generators, in this case solid oxide fuel cells (SOFCs), are grid connected. When the circuit breaker opens, however, buses 1 to 4 form an autonomous microgrid, with the two SOFC sources jointly supplying the load, while regulating voltages and frequency.…”

Section: Introductionmentioning

confidence: 99%

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Control of inverter-connected sources in autonomous microgrids

Hiskens

Fleming

2008

2008 American Control Conference

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Abstract-The use of distributed generation is growing steadily, motivating a need for flexible interconnection strategies. The resulting microgrid concept allows sub-networks of sources and loads to maintain reliable operation when disconnected from the main grid. The paper presents a control strategy for inverter-based sources that supports transitioning between grid connection and autonomous operation. The controller regulates the inverter terminal voltage and the active power delivered to the AC system, and takes into account the phase-locked loop (PLL) dynamics. An example, in which two SOFC plants provide power to a microgrid, explores controller behaviour. The investigation considers disconnection from the main grid, autonomous operation, and re-synchronization with the main grid.

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“…However, the HFAC systems have expensive special transformers, complex control structures for AC/AC matrix converters and interaction problems in high frequency converters. As a result, DC link ICS is preferable to HFAC link ICS [7], [8].…”

Section: Introductionmentioning

confidence: 99%

Control systems of distributed generation modules aggregated by cascaded boost converters

Moadabi¹,

Mahmoodi²,

Gharehpetian³

2007

REPQJ

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Abstract. DC/DC boost converters are usually used to interface the DC output of modern distributed generation resources with the AC system. Distributed generation modules are aggregated to yield the necessary power using either parallel or cascaded architecture. Detailed modeling of an interconnection system incorporating cascaded architecture has not been considered in previous researches. In this paper, suitable control systems for cascaded architecture of power electronic converters in an interconnection system have been studied and modeled in detail. Simulation results indicate the effectiveness of the proposed control systems.

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Microturbine Power Conversion Technology Review

Abstract: Reports are available to DOE employees, DOE contractors, Energy Technology Data Exchange (ETDE) representatives, and International Nuclear Information System (INIS) representatives from the following source.

Cited by 27 publications

References 0 publications

Design analysis of turbines for co-generating micro-power plant working in accordance with organic Rankine's cycle

Design analysis of turbines for co-generating micro-power plant working in accordance with organic Rankine's cycle

Control of inverter-connected sources in autonomous microgrids

Control systems of distributed generation modules aggregated by cascaded boost converters

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