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6 Frequently Asked Questions about “Multifunctional DC Inverter”
What is a multifunctional converter?
Vitesco Technologies is developing a multifunctional converter that integrates the functions of the onboard-charger, DC/DC boost and traction inverter. This concept supports the transition from a cluster architecture to an even more centralized and modular E/E architecture.
Why do we need multifunctional inverters?
In this situation, multifunctional inverters, which can not only provide support to the grid when voltage and current are sinusoidal, but also provide harmonic regulation when harmonics are predominant, are of great value.
What is a multifunctional inverter control structure?
The multifunctional inverter control structure is based on VSM control in SRF and includes both harmonic and unbalance regulators. Both harmonic and unbalance regulators are based on the phase from VSM which can operate without phase-locked loop (PLL) [ 10 ].
Does a Droop-controlled multifunctional inverter provide voltage support?
Vasquez JC, Mastromauro RA, Guerrero JM et al (2009) Voltage support provided by a droop-controlled multifunctional inverter. IEEE Trans Ind Electron 56 (11):4510–4519 Zhong Q-C (2013) Harmonic droop controller to reduce the voltage harmonics of inverters.
Can a multi-functional inverter be implemented with three ancillary functions?
This paper proposes the implementation of a multi-functional inverter, which was simulated with three ancillary functions.
Should a cluster of multifunctional inverters implement all functions in one inverter?
There is still no need to implement all the functions in one inverter. Instead, when a cluster of multifunctional inverters are connected to PCC, some of them can operate with mainly one or two functions while others operate with mainly one or two other functions.