Controllable resistive type fault current limiter (CR-FCL) with frequency and pulse duty-cycle

Naderi, Seyed Behzad; Jafari, Mehdi; Hagh, Mehrdad Tarafdar

doi:10.1016/j.ijepes.2014.03.011

Cited by 41 publications

(32 citation statements)

References 27 publications

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“…Well-known applications and configurations of the FCLs in the power grid have been presented in many previous works [26]- [30]. In all of the mentioned studies, for current limiting in the AC side of DFIG system, three similar sets of the FCL must be connected in series with the individual phases.…”

Section: Brief Review Of Fault Ride-through Behaviour Of the Dfigmentioning

confidence: 99%

“…Superconducting FCL is also interesting in limiting the fault current in the DFIG [25]. Despite of the mentioned FCLs for the LVRT improvement of the DFIG, various types of FCLs are also employed to improve power system operation during power system faults (PSFs) in the literature [26]- [30]. In section IV, a comprehensives comparison of the previous studied FCLs with the proposed method will be done in details.…”

Section: Introductionmentioning

confidence: 99%

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Low voltage ride-through enhancement of DFIG-based wind turbine using DC link switchable resistive type fault current limiter

Naderi

Negnevitsky

Jalilian

et al. 2017

International Journal of Electrical Power & Energy Systems

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, "Low voltage ride-through enhancement of DFIGbased wind turbine using DC link switchable resistive type fault current limiter," International Journal of Electrical Power and Energy Systems, vol. 86, pp. 104-119, 2017. Low voltage ride-through enhancement of DFIG-based wind turbine using DC link switchable resistive type fault current limiter Abstract Doubly-fed induction generator (DFIG)-based wind turbines utilise small-scale voltage sourced converters with a limited overcurrent withstand capability, which makes the DFIG-based wind turbines very vulnerable to grid faults. Often, modern DFIG systems employ a crowbar protection at the rotor circuit to protect the rotor side converter (RSC) during grid faults. This method converts the DFIG to a squirrel cage induction generator, which does not comply with the new grid codes. The recent grid codes need wind turbines to stay connected to the utility grid during and after power system faults, especially in high penetration level of wind power. Furthermore, the crowbar switch is expensive. This paper proposes a novel DC-link switchable resistive-type fault current limiter (SRFCL) to improve the LVRT capability of the DFIG. The proposed SRFCL is employed in the DC side of the RSC. The SRFCL solves crowbar protection activation problems and eliminates subsequent complications in the DFIG system. The proposed SRFCL does not have any significant impact on the overall performance of the DFIG during normal operation. Whenever the fault, whether symmetrical or asymmetrical, occurs, the SRFCL not only limits rotor over-currents but also prevents rotor speed acceleration and restricts high torque oscillations even during zero grid voltage, as recommended by some grid codes. To prove the effective operation of the SRFCL on the RSC fault current limitation, analytical analysis is performed in each switching interval. The proposed approach is compared with the crowbar-based protection method. Simulation studies are carried out in PSCAD/EMTDC software. In addition, a prototype is provided to demonstrate the main concept of the proposed approach. Simulation studies are carried out in PSCAD/EMTDC software. In addition, a prototype is provided to demonstrate the main concept of the proposed approach.

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Section: Brief Review Of Fault Ride-through Behaviour Of the Dfigmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Low voltage ride-through enhancement of DFIG-based wind turbine using DC link switchable resistive type fault current limiter

Naderi

Negnevitsky

Jalilian

et al. 2017

International Journal of Electrical Power & Energy Systems

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“…However, some technical issues must be taken to account such as voltage drop on switch, power losses and switching frequency during the high level of current. Some ways such as using auxiliary circuits and parallel-series connections of self turn off switches have been introduced which are applicable to satisfy the requirements of a wide range of power applications [14].…”

Section: B Minimized Torque Pulsations Startingmentioning

confidence: 99%

Soft and fast starting induction motors using controllable resistive type fault current limiter

Naderi

Negnevitsky

2015

2015 IEEE Power &Amp; Energy Society General Meeting

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Abstract-This paper proposes a controllable resistive type fault current limiter for soft and fast starting of induction motors (IMs) based on the primary resistance method. Two methods of constant current and minimized torque pulsations starting for the proposed FCL are presented. A comparison is done and it is shown that method of minimized torque pulsations by the proposed structure leads to a fast and soft starting for IM. Analytical analyses are performed in details and simulation results using PSCAD/EMTDC software are involved to validate the effectiveness of the proposed FCL and its control methods for the soft and fast starting up of IMs.

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“…Several types of FCLs have been studied to improve the power system performance in [28]- [31]. As it is clear, all research on the FCLs requires a three phase or three single phase sets in the AC side, which increases the FCLs' cost.…”

Section: Introductionmentioning

confidence: 99%

Efficient fault ride-through scheme for three phase voltage source inverter-interfaced distributed generation using DC link adjustable resistive type fault current limiter

et al. 2016

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The VSIs employ semiconductor devices (SDs) with limited over current withstand capability that usually is within the range of 1-2 times of nominal current [8]. The VSI is inherently very sensitive to the grid faults. Thus, the fault condition can either trip Reference [7] has presented simulation and experimental results of a varistor based-short circuit fault protection scheme for series active power filters. The number of elements in the mentioned protection method like series current transformers and the semiconductor switches increase the cost. Also, the VSI is disconnected after a few cycles the fault happened, which does not comply the new grid codes [18]. Some control approaches for inverter-interfaced distributed energy resources are proposed in [19] and [20] to limit inverter fault current and improve their fault ride-through (FRT) capability. However, these methods cannot be suitable for long lasting zero grid voltage. In [21], an inverter fault current limitation strategy has been introduced in a micro- , a control strategy has been proposed to enhance the voltage support as an ancillary service of the VSIs to meet the grid codes requirements, which needs complicated control system. A fault protection scheme against the short-circuit fault on the load side for the high-power three-phase inverters has been studied in [26] to provide high reliability for sensitive loads during transient faults. In the mentioned study, not only the malfunction of the inverter has not been considered but also it is required to change the strategy of the VSI from the VCS to the

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Controllable resistive type fault current limiter (CR-FCL) with frequency and pulse duty-cycle

Cited by 41 publications

References 27 publications

Low voltage ride-through enhancement of DFIG-based wind turbine using DC link switchable resistive type fault current limiter

Low voltage ride-through enhancement of DFIG-based wind turbine using DC link switchable resistive type fault current limiter

Soft and fast starting induction motors using controllable resistive type fault current limiter

Efficient fault ride-through scheme for three phase voltage source inverter-interfaced distributed generation using DC link adjustable resistive type fault current limiter

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