A.P.  Munshi, A.A.  Munshi, S.G.  Kadwane, 
    Quasi-Z-Source Inverter Based Grid Tied System: Performance Analysis and Reliability
Assessment,
    Journal of Engineering and Applied Sciences,
    Volume 15,Issue 13,
    2020,
    Pages 2678-2684,
    ISSN 1816-949x,
    jeasci.2020.2678.2684,
    (https://makhillpublications.co/view-article.php?doi=jeasci.2020.2678.2684)
    Abstract: To boost dc voltage, traditional boost converter
may be used. But it has many disadvantages like dual
stage converter, complexity in control and high losses. On
the other side the quasi-Z-Source Converter (qZSC) is an
alternative converter that can boost the input voltage. It
has many advantages like single stage conversion, lesser
losses, reduced component rating and size and providing
continuous input current. Quasi-ZSC provides boost
capability with single stage conversion which ultimately
reduces the switching losses. Quasi-Z-Source Converter
based inverter (qZSI) allows the shoot through state which
is responsible for the boosting of the input voltage to the
higher value and avoids the risk of damaging switches in
converter circuit to make the circuit more reliable.
Theoretical analysis of boosted voltage and control
methods for the qZSI system are investigated in this
study. Also, the reliability of the system is evaluated using
failure rate models given in Military Handbook
MILHDBK 217F.
    Keywords: Quasi-Z-Source converter based Inverter (qZSI);shoot through state;pulse width modulation;failure rate;reliability