Abstract
The paper presents an application of power control by couple half wave LPWM rectifiers processing at the energy distribution line. The switching method with the components of semiconductor for alternating energy control in the energy distribution line is used on alternating energy sources. In three-phase power line and load, power control and regulation are done with the proposed modulation correction index (MCI). Therefore, the simulation model of 3-phase energy distribution is established after the relationships between the energy sources and the circuit elements are determined by the circuit analysis method. The controls of the current and the voltage are done by trying at the different loads in the line at the simulation. According to the modulation correction index (MCI), currents of unbalanced loads are balanced by the proposed method on the power line. Then, the balance currents and powers that MCI provides are calculated. Finally, a power line of 15 km at length that is created by connecting the model of RLC is tested. Obtained results show the effectiveness of the proposed method.
Highlights
As well as the production of energy, the distribution and use of existing energy is of great importance
At three-phase power lines, six alternating energy sources are as Vs, four of semiconductor switches are for every phase, one resistive load is for every phase, and parallel RL loads are connected in series to the resistive load for each phase
As the unbalanced phase impedance decreases, the applied modulation correction index (MCI) and the balancing current increase, which leads to an increase in the balancing power
Summary
As well as the production of energy, the distribution and use of existing energy is of great importance. Direct current (DC) energy in power lines and different loads is controlled by converting it into changing energy with pulse width modulation (PWM) inverters [4,5,6,7,8,9]. The paper presents a model of power control by inverse half rectifier processing method that uses the modulation correction index at an energy distribution line. The modulation index values of PWM control the effective values of the current and voltage on the load without disturbing the sinus structures. When the results are analyzed, the value of the voltage controlled on the load has lower distortion than that of the previous line studies with inverters [15, 16] These results can be obtained in a less complicated and inexpensive way using the proposed model. Erol CAN: POWER REGULATION BY COUPLE HALF WAVE LPWM RECTIFIER AT THREE-PHASE LOADS
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