Power quality and harmonics in the supply network: a look at common practices and standards

Rash, Agnes M.

doi:10.1109/melcon.1998.699428

Cited by 13 publications

(4 citation statements)

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“…Consequently, for unfaltering state application, DSTATCOM comprises of a capacitor rather than vitality stockpiling, and responsive power is applied amongst DSTATCOM and AC [9][10][11].…”

Section: Model Of the D-statcom For Powerflow Analysismentioning

confidence: 99%

A Power Stability Based on Dstatcom

2017

IJAERD

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“…Consequently, for unfaltering state application, DSTATCOM comprises of a capacitor rather than vitality stockpiling, and responsive power is applied amongst DSTATCOM and AC [9][10][11].…”

Section: Model Of the D-statcom For Powerflow Analysismentioning

confidence: 99%

A Power Stability Based on Dstatcom

2017

IJAERD

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“…Transfer of the reactive power increases Joule losses and voltage drop in the line. It can be compensate with reactive passive elements, inductor (L ) or capacitor (C ) connected parallel to the load [6,7]. The compensation leads to a decrease of the root mean square (RMS) current in the line.…”

Section: Introductionmentioning

confidence: 99%

Reactive power in circuits with sampled resistive load

Štork

Mayer

2017

Journal of Electrical Engineering

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The process of power transmission lines, from source to load is a well-known, if the voltages and currents vary harmonically. With the lines is transmitted active power that is dissipated in load (this power exits from the system) and reactive power (this power oscillates between the source and the load). Note that it would be more appropriate designation the external power and the internal power. Such systems are known as cyclo-dissipative. The active power is dissipated in the load and the reactive power oscillates between the source and the load. Physically, reactive power is delivered to reactive elements of load. Transmitting reactive power increases Joule’s losses and voltage drops on lines. Reactive power can be compensated in a known manner. Compensation reduces the effective value of the current in the line. To the case of periodic but non-sinusoidal voltages and currents has been devoted many publications, conferences, etc. during the past 100 years. But despite much e ort, this problem has not yet been fully solved. In the present article, we show that in a system with a harmonic source of voltage even in the case of a linear pure resistive load a reactive power can be generated and can be compensated. A necessary, but not sufficient, condition is that the resistive load is time-varying. The presented study deals with a periodically sampled resistive load.

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“…Most of the equipment that is manufactured also distorts the voltage [5] on the distribution system, leading to what is known as poor power quality. As a result, it affects other equipment that was designed with the expectation of consistent undistorted voltage, and are thus sensitiveto power disturbances resulting in reduced performance and will cause equipment miss operation or premature failure [6]. The cost of power quality problems can be very high and include the cost of downtimes, loss of customer confidence and, in some cases, equipment damage.…”

Section: Introductionmentioning

confidence: 99%

DVR and D-STATCOM Mitigation Techniques of Power Quality Effects on Induction Motors

Dekhandji

Douche

Zebidi

2017

AJSS

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Power quality disturbances have always been a major concern among engineers. Any slight variation in voltage amplitude or frequency can cause customer equipment to fail, at a substantial cost in time and money.In this project we will use some mitigation techniques to protect the induction motor from excessive temperature (additional losses and high currents) and the rotor vibration torque pulsation caused by power quality disturbances.These mitigation techniques reduce the effects of the power quality disturbances on the induction motor, where the simulations done using MATLAB/SIMULINK.

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Power quality and harmonics in the supply network: a look at common practices and standards

Cited by 13 publications

References 0 publications

A Power Stability Based on Dstatcom

A Power Stability Based on Dstatcom

Reactive power in circuits with sampled resistive load

DVR and D-STATCOM Mitigation Techniques of Power Quality Effects on Induction Motors

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