Design considerations in development of Active Mobile Substations

Parkhideh, Babak; Yousefpoor, Nima; Babaei, Saman; Bhattacharya, Subhashish

doi:10.1109/ecce.2012.6342767

Cited by 7 publications

(6 citation statements)

References 3 publications

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“…BTB operation with superior THD, efficiency, and converter utilization indexes, advanced angle control structure proposed in [5] is used to accommodate the active power transfer as well as reactive power control. While the proposed angle-controlled configuration benefits from the occupied space and cooling requirements, being necessary for mobile substations, the operation of the system depends significantly on the passive components unlike the PWM converters as explained in [2].…”

Section: Power Electronic System Components Of Active Mobile Subsmentioning

confidence: 99%

“…Conventional mobile substations are used to bypass the whole substation in case of a loss or maintenance of power transformers. The proposed transmission active mobile substation (AMS) in [2] can be also utilized in normal power systems conditions to extend the life-time of aging power transformers in the US. The AMS can regulate the throughput power of the main transformer by monitoring the transformer/substation's loading level, harmonic levels and impedance with disturbance signatures [3].…”

Section: Introductionmentioning

confidence: 99%

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Control of Active Mobile Substations under system faults

Yousefpoor

Azidehak

Bhattacharya

et al. 2013

2013 IEEE Energy Conversion Congress and Exposition

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While conventional mobile substations are used to bypass the whole substation in case of loss or maintenance of power transformers, Active Mobile Substations (AMS) can be used both in normal conditions as a power router and in contingencies as a recovery transformer. The AMS is a mobile substation with integrated power electronics. By controlling its throughput power, it can be connected across different transformers of the grid. This paper explores transmission-level active mobile substations that provide backup in case of power transformer failure or forced reduced operation scenarios in addition to power flow control for seasonal renewable energy transmission. The AMS must be designed to operate satisfactorily under typical fault and unbalanced conditions. In this paper, component design considerations in development of the AMS under unbalanced operating condition will be provided, and a new control strategy is proposed to control AMS under unbalanced operating conditions when component design is not sufficient to prevent overcurrent and trips. Detailed PSCAD simulation for the proposed control scheme is performed and results are presented. Experimental results are also shown to verify the proposed control method under unbalanced operating conditions.

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Section: Power Electronic System Components Of Active Mobile Subsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Control of Active Mobile Substations under system faults

Yousefpoor

Azidehak

Bhattacharya

et al. 2013

2013 IEEE Energy Conversion Congress and Exposition

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“…In addition, the CSTC is desired to be transportable and compatible with different voltage levels and therefore operates as recovery transformer in case of natural and manmade hazards and disasters. In normal mode of operation, CSTCs are functioning to extend the life time of existing transformers by partially bypassing and conditioning the substation throughput power [7].…”

Section: Introductionmentioning

confidence: 99%

Supervisory control of convertible static transmission controller in shunt-shunt mode of operation

Yousefpoor

Kim

Bhattacharya

et al. 2013

IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society

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The Convertible static transmission controller is a versatile device which can be installed across a transmission transformer to extend the life time of existing transformers by partially bypassing and conditioning the substation throughput power. The proposed technology can provide several integration options with multiple operational modes. From the supervisory control point of view, a control algorithm is required to set the reference values of active and reactive power flow of CSTC converters based on the desired operating points for transformer active and reactive power. In this paper, the algebraic model of CSTC in shunt-shunt mode of operation is derived. Algebraic model of CSTC is used for steady state and transient stability analysis. Algebraic model will present the behavior of transformer power flow with respect to various operating points of CSTC converters. The P-Q transformer operating range can be obtained based on the proposed algebraic model. Dynamic performance of the CSTC system is also investigated in PSCAD/EMTDC environment. Simulation results will be presented to verify the proposed algebraic model of CSTC in shunt-shunt mode of operation based on steady state results.

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“…In normal mode of operation, CSTCs are functioning to extend the life time of existing transformers by partially bypassing and conditioning the substation throughput power. In case of transformer failure, CSTCs can be deployed dispersedly or in an aggregated fashion to meet power, voltage, VAR and configuration requirements [6].…”

Section: Introductionmentioning

confidence: 99%

Experimental validation of modular transformer converter based Convertible Static Transmission Controller for transmission grid management

Yousefpoor¹,

Azidehak²,

Bhattacharya³

et al. 2013

2013 IEEE Energy Conversion Congress and Exposition

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For power flow control with specific attention to renewable energy resources based transmission in a meshed network, less complex coordinated control can be obtained with the proposed Convertible Static Transmission Controller (CSTC) concept which is connected across the substation power transformer and can be reconfigured to the required modes of operation. Convertible Static Transmission Controller (CSTC) is a versatile transmission controller which can perform several functions including power flow control for renewable resources transmission and transformer back-up for disaster management or life extension purposes. Different connecting configuration options (shunt-shunt, series-shunt, and series-series) can be obtained in the proposed transmission controller. In this paper, the control structure of CSTC in different modes of operation is presented, and dynamic performance of the CSTC based on the proposed control structures is further investigated in three different connecting configurations in PSCAD/EMTDC environment. Lab-scale experimental results are also presented to evaluate the performance of CSTC in three different modes of operation.

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Design considerations in development of Active Mobile Substations

Cited by 7 publications

References 3 publications

Control of Active Mobile Substations under system faults

Control of Active Mobile Substations under system faults

Supervisory control of convertible static transmission controller in shunt-shunt mode of operation

Experimental validation of modular transformer converter based Convertible Static Transmission Controller for transmission grid management

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