According to Outotec, grinding circuit efficiency
is key to improving the overall performance of a concentrator, so good grinding-circuit control is of major importance.
Boost converters with zero voltage switching (ZVS), have proposed with advantages of high frequency operation, ZVS switching and high circuit efficiency
(Lin et al 2010; Lin et al 2009).
Off-line power supplies improve circuit efficiency
while reducing heat dissipation, providing better power supply performance compared to linear or switch mode power supplies.
The FETs offer the following features: low parasitic capacitance which reduces switching losses by at least 50% resulting in higher efficiency circuits; lower on-resistance to reduce conduction losses resulting in circuit efficiency
gains; as well as excellent radiation performance.
In practice, realization of small values of load resistance come with a penalty of low circuit efficiency
, power transfer to the useful load, that is, circuit losses effectively account for a portion of the load resistance.
In shutdown mode, quiescent current is also low at 25 nA, helping to boost overall circuit efficiency
90 or better to maximize circuit efficiency
and minimize power consumption; constant current with extremely low ripple to eliminate thermal issues and visible artifacts; high efficiency (90 percent) to help luminaires meet Energy Star ratings; MTBF of more than 50,000 hours.