An Improved Hybrid DSTATCOM Topology to Compensate Reactive and Nonlinear Loads

Traditionally, static capacitors and passive filters have been utilized to improve power quality (PQ) in a distribution system. However, these usually have problems such as fixed compensation, system-parameter-dependent performance, and possible resonance with line reactance. A distribution static compensator (DSTATCOM) has been proposed in the literature to overcome these drawbacks. It injects reactive and harmonics component of load currents to make source currents balanced, sinusoidal, and in phase with the load voltages. However, a traditional DSTATCOM requires a high-power-rating voltage source inverter (VSI) for load compensation. The power rating of the DSTATCOM is directly proportional to the current to be compensated and the dc-link voltage. Generally, the dc-link voltage is maintained at much higher value than the maximum value of the phase-to-neutral voltage in a three-phase four-wire system for satisfactory compensation (in a three-phase three-wire system, it is higher than the phase-to-phase voltage). However, a higher dc-link voltage increases the rating of the VSI, makes the VSI heavy, and results in higher voltage rating of insulated gate bipolar transistor (IGBT) switches. It leads to the increase in the cost, size, weight, and power rating of the VSI.

  • Project Category : IEEE Projects
  • Project Year : 2015-2016
  • Department
  • B.E(Electrical and Electronics Engg), B.E(Electronics and Communication), B.E(Instrumentation Control and Engg), B.E(Mechtronics), M.E(APPLIED ELECTRONICS), M.E(CONTROL SYSTEM), M.E(POWER ELECTRONICS), M.E(VLSI),
  • Domain
  • Power electronics,
  • Technology
  • matlab, PIC/Arduino/ARM, PLC, Signal processing,
  • Avilable city
  • Chennai, Coimbatore, Dharmapuri, Madurai, Salem, Thanjavur, Tirunelveli, Trichy, Vellore,

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