A new control approach to three-phase active filter for harmonics and reactive power compensation

Singh, Bhim; Al‐Haddad, Kamal; Chandra, Ambrish

doi:10.1109/59.651624

Cited by 201 publications

(67 citation statements)

References 13 publications

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“…Among the various current control methods proposed for SAPF configurations, hysteresis-band (hb) method has been chosen in this work for its quick controllability and easy implementation [29]. In hysteresis-band current controller the actual current continuously tracks the reference current within a hysteresis band to generate the switching patterns for SAPF.…”

Section: Hysteresis Current Controllermentioning

confidence: 99%

An Efficient FPGA based Real-Time Implementation Shunt Active Power Filter for Current Harmonic Elimination and Reactive Power Compensation

Charles¹,

Vivekanandan²

2015

Journal of Electrical Engineering and Technology

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-This paper proposes a new approach of Field Programmable Gate Array (FPGA) controlled digital implementation of shunt active power filter (SAPF) under steady state and dynamic operations. Typical implementations of SAPF uses microprocessor and digital signal processor (DSP) but it limited for complex algorithm structure, absence of feedback loop delays and their cost can be exceed the benefit they bring. In this paper, the hardware resources of an FPGA are configured and implemented in order to overcome conventional microcontroller or digital signal processor implementations. This proposed FPGA digital implementation scheme has very less execution time and boosts the overall performance of the system. The FPGA controller integrates the entire control algorithm of an SAPF, including synchronous reference frame transformation, phase locked loop, low pass filter and inverter current controller etc. All these required algorithms are implemented with a single all-on chip FPGA module which provides freedom to reconfigure for any other applications. The entire algorithm is coded, processed and simulated using Xilinx 12.1 ISE suite to estimate the advantages of the proposed system. The coded algorithm is also defused on a single all-on-chip Xilinx Spartan 3A DSP-XC3SD1800 laboratory prototype and experimental results thus obtained match with simulated counterparts under the dynamic state and steady state operating conditions.

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Section: Hysteresis Current Controllermentioning

confidence: 99%

An Efficient FPGA based Real-Time Implementation Shunt Active Power Filter for Current Harmonic Elimination and Reactive Power Compensation

Charles¹,

Vivekanandan²

2015

Journal of Electrical Engineering and Technology

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“…Line currents I La , I Lb, I Lc and neutral current I sn are measured and %THD of individual current waveformes are formulated. If the %THD of individual current is beyond permissible level then compensation should be provided [9].…”

Section: Flow Chart For Proposed Solutionmentioning

confidence: 99%

Hysteresis Band Current Control For Harmonic Compensation of Unbalanced & Nonlinear load

2014

IJAERD

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Abstract-In this paper, instantaneous reactive power theory (IRP), also known as p-q theory based control algorithm is proposed for 4-leg shunt active power filter (APF) to suppress harmonic line currents and neutral current and balance the load currents under unbalanced non-linear load and nonideal mains voltage conditions. The p-q theory is composed from 4-leg voltage source inverter (VSI) with a hysteresis-band PWM current controller. Conventional p-q theory for different loading condition such as nonlinear load and unbalanced load along with Hysteresis band current control technique is simulated and harmonic disturbances has been analysed. All simulations are carried out using Matlab/Simpowersystem.

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“…It is controlled to cancel current harmonics on AC side and makes the source current in phase with the voltage source. The current drawn from the power system at the coupling point of the shunt APF will result sinusoidal [9], [10] and [11]. Three-level inverter is one of the most popular converters employed in medium and high power applications.…”

Section: Shunt Active Power Filtermentioning

confidence: 99%

Three-level (NPC) Shunt Active Power Filter Performances based on Fuzzy Controller for Harmonic Currents Compensation under Non-Ideal Voltage Conditions

Salim¹,

Toufik²

2014

ijeei

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This paper presents three-level (NPC) shunt active power filter the performances based on fuzzy control techniques to compensate harmonic currents generated by non-linear loads operating under non ideal voltage conditions. Shunt APF is the best solution to eliminate harmonics drawn from nonlinear load especially for low power system, the most inverter used is the two-level voltage source inverter. Multilevel inverters are being investigated and recently used for APF topologies. Today Threelevel inverter is one of the most used converters in the majority of industrial applications, such as machine drives and power active filters. The control strategy used is based on the synchronous reference frame detection method that gives a good performance particularly if the source voltage is unbalanced or distorted. The new control scheme proposed in this work is based on fuzzy techniques and it is designed to improve APF compensation capability by adjusting the current error based on fuzzy rule. To improve the output three-level voltage inverter and avoid an unbalanced AC voltage waveform a neutral-point potential voltage compensator based on proportional controller is used with a proportional integral controller required to maintain dc voltage constant. The results of simulation study obtained using Matlab-Simulink and SimPowerSystem Toolbox are found quite satisfactory to eliminate harmonics and reactive power components from utility current.

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A new control approach to three-phase active filter for harmonics and reactive power compensation

Cited by 201 publications

References 13 publications

An Efficient FPGA based Real-Time Implementation Shunt Active Power Filter for Current Harmonic Elimination and Reactive Power Compensation

An Efficient FPGA based Real-Time Implementation Shunt Active Power Filter for Current Harmonic Elimination and Reactive Power Compensation

Hysteresis Band Current Control For Harmonic Compensation of Unbalanced & Nonlinear load

Three-level (NPC) Shunt Active Power Filter Performances based on Fuzzy Controller for Harmonic Currents Compensation under Non-Ideal Voltage Conditions

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