A Harmonics Elimination Method Using a Three-Winding Transformer for HVDC Transmission Systems

Yamashita, K.; Kameda, Yoshiki; Nishikata, Shoji

doi:10.1109/tia.2017.2771317

Cited by 20 publications

(5 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In the HVDC systems, the injection of harmonic mainly comes from the following three aspects [20], [21]: 1) the operation of converter and other power electronic elements in the HVDC systems; 2) the converter transformer saturation caused by the rise of DC current 3) the breaking of the circuit breaker when the system faults.…”

Section: A Harmonic Analysis Of Commutation Voltagementioning

confidence: 99%

See 1 more Smart Citation

Commutation Failure Prediction Method Considering Commutation Voltage Distortion and DC Current Variation

Wang

Zhang

et al. 2019

IEEE Access

View full text Add to dashboard Cite

Commutation failure (CF) at the inverter side is one of the most common failures in the linecommutated converter-based high voltage direct current (LCC-HVDC) system. Effective prediction of CF helps to formulate and implement protection measures timely. Since abnormal commutation voltage and DC current are the main reasons causing CF, these two factors should be fully considered in CF prediction. In this paper, to consider the effect of commutation voltage distortion, the time-domain response of the commutation voltage Fourier coefficient is deduced based on the first-order circuit response. To consider the effect of DC current variation, the time-domain response of the DC current is derived by superimposing its steadystate component and transient component, respectively. Based on these two predictive value, the extinction angle (EA) during the commutation is calculated according to the commutation voltage-time area, and the criterion based on EA is proposed to predict the occurrence of CF. The simulation results of the test system built in the PSCAD/EMTDC demonstrate the effectiveness and validity of this method.

show abstract

Section: A Harmonic Analysis Of Commutation Voltagementioning

confidence: 99%

“…With the increase of harmonic number n, E n will decay rapidly, thus the influence of high-frequency harmonic can be ignored in (21) and (22). In addition, it is worth mentioning that ( 21) and ( 22) belong to the category of transcendental equations, in which the analytic solutions cannot be calculated.…”

Section: B Commutation Failure Criterionmentioning

confidence: 99%

Commutation Failure Prediction Method Considering Commutation Voltage Distortion and DC Current Variation

Wang

Zhang

et al. 2019

IEEE Access

View full text Add to dashboard Cite

show abstract

“…Mostly 12-pulse converters are used in LCC HVDC converter stations which create the harmonic current of the order of 11, 13, 23, 25, and higher (2n ± 1, where n = 12). These harmonics have the potential to damage sensitive equipment, unbalance a power system, and harm conductors [15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Novel Double-Damped Tuned AC Filters in HVDC Systems

Mehmood¹,

Hussain²,

Ali³

et al. 2023

Computers, Materials &Amp; Continua

View full text Add to dashboard Cite

This paper presents a performance analysis of novel doubledamped tuned alternating current (AC) filters in high voltage direct current (HVDC) systems. The proposed double-damped tuned AC filters offer the advantages of improved performance of HVDC systems in terms of better power quality, high power factor, and lower total harmonic distortion (THD). The system under analysis consists of an 878 km long HVDC transmission line connecting converter stations at Matiari and Lahore, two major cities in Pakistan. The main focus of this research is to design a novel AC filter using the equivalent impedance method of two single-tuned and double-damped tuned AC filters. Additionally, the impact of the damping resistor on the AC channel is examined. The THD of the HVDC system with and without current AC filters was also compared in this research and a double-damped tuned AC filter was proposed. The results of the simulation represent that the proposed double-damped tuned AC filter is far smaller in size, offers better power quality, and has a much lower THD compared to the AC filters currently in place in the converter station. The simulation analysis was carried out utilizing power systems computer-aided design (PSCAD) software.

show abstract

“…The authors in refs. [16–18] analysed that the winding current is mainly 6k±1 harmonic, and the content of each harmonic does not change much with the power. Li et al.…”

Section: Introductionmentioning

confidence: 99%

“…The authors in refs. [16][17][18] analysed that the winding current is mainly 6k�1 harmonic, and the content of each harmonic does not change much with the power. Li et al [19] studied the winding and core vibration during the whole operation, found the vibration characteristics are different in different states, and the vibration dominant frequency is concentrated at 200 and 400 Hz, which is different from the power transformer concentrated at 100 Hz.…”

Section: Introductionmentioning

confidence: 99%

Axial and radial electromagnetic‐vibration characteristics of converter transformer windings under current harmonics

et al. 2022

View full text Add to dashboard Cite

The winding current harmonic content of converter transformer in operation is rich. However, affected by harmonics, the radial vibration characteristics are quite different from the power transformer, structural loosening and deformation caused by winding vibration are more prominent. Therefore, in view of the influence of current harmonics on axial and radial vibrations, this study builds a 3D winding electromagnetic vibration finite element simulation model, analyses the components and contents of current harmonics, compares the leakage flux and vibration distribution under the fundamental, harmonic and superimposed currents. The correlation relationship between the harmonic components and axial and radial vibration characteristics is obtained, and the vibration measurement test of ±800 kV converter transformer in operation is carried out to verify the correctness of the analysis method. The results show that the winding radial vibration amplitude will exceed the axial vibration affected by harmonics. More importantly, under the superposition of the fundamental, 5th and 7th harmonic current, the vibration contribution of the converter transformer tank is mainly radial vibration, and the vibration dominant frequency is shifted from 100 Hz under the fundamental current to 400 Hz.

show abstract

A Harmonics Elimination Method Using a Three-Winding Transformer for HVDC Transmission Systems

Cited by 20 publications

References 17 publications

Commutation Failure Prediction Method Considering Commutation Voltage Distortion and DC Current Variation

Commutation Failure Prediction Method Considering Commutation Voltage Distortion and DC Current Variation

Novel Double-Damped Tuned AC Filters in HVDC Systems

Axial and radial electromagnetic‐vibration characteristics of converter transformer windings under current harmonics

Contact Info

Product

Resources

About