A maximum power point tracking (MPPT) controller circuit is extremely useful in solar photovoltaic systems for boosting power usage efficiency. The traditional MPPT design, though, requires the use of ...

Cataract surgery remains one of the most frequently performed and successful surgical procedures worldwide, involving the removal of a clouded natural lens and its replacement with an intraocular lens ...

Please provide your email address to receive an email when new articles are posted on . New instruments enable clinicians to measure the real corneal power, but ...

Please provide your email address to receive an email when new articles are posted on . Keratometry measurements showed significant variability in patients with unstable tear film before cataract ...

A new modified intraocular lens (IOL) power selection method was developed, which has more accurate power calculation than the existing method. Dr. Youngsub Eom of Department of Ophthalmology of Korea ...

The scope of this article is to introduce a method to measure the power factor in a 50 Hz alternating current transient. The circuit shall be a R-L type. By acquiring only the current wave and, ...

Power supplies in data centers that measure the input power in real time and report the measurement to the host are conducting what’s known as electrical metering (e-metering). An e-meter has become a ...