# Announcement

No announcement yet.
13 results in 0.0020 seconds.
Keywords
Members
Tags
• You can also choose from the popular tags.

power factor x

• ## NEC Voltage Drop Calcs & Power Factor

Been putting together a voltage drop calculation spreadsheet based on the NEC tables and noticed something surprising. I though that the voltage drop...

• ## PF penalty of Solar building

Facts:
100kW PV on Office Building
Approx 40% of bldg. usage
Utility bill shows much lower kWh (because of solar)
But kVARh...

• ## What is considered starting power factor?

HI,

I has a 3-phase, 480V, 75Hp, PF=0.77, NEMA code letter K motor. I have the power factor values for when the motor is 1/4 loaded, 1/2...

• ## Voltage drop - chapter 9 tables & effective Z

Hi,

I'm struggling to understand why the effective Z of conductors, which is used to calculate voltage drop, changes with respect to the...

• ## reasonable estimate for power factor

Is it reasonable to use an estimate of .9 pf for a typical restaurant with lots of fractional horsepower motors for refrigeration, 6-8 larger HVAC motors...

• ## find transformer size when power factor is known

Hi everyone I'm new here, and I need help with the question below. I know the formula to get KVA for single phases transf KVA=(E x I / 1000) but i don't...

• ## Power Factor of Elevators and Xray Equipment

Does anyone here have reliable information on the power factor of Hydraulic Elevators, and/or General X-Ray equipment? The manufacturer's representatives...

• ## Harmonic Disturbance on PF correction cap

We have a company doing a load eval for a big property that keeps getting charged from the POCO for low power factor (< .85). I want to have a cap...

• ## Inverter PF

I'm looking at grid-interactive micro-inverters for PV applications; these are grid-tied inverters of about 200W that generate power from a PV panel....

• ## Power Factor

Has anyone been requested to improve a clients Power Factor to help them get a better utility rate?

• ## Power/Energy Managment

I'm a contractor that's been hit by this poor economy. It's forced me to do something constructive with my time. So I started looking into energy conservation...

• ## Power Factor Correction

What is the opinion of Experts to having a Bank of capacitors in a Power saver Type unit which are smart switched in or out as demand increases or decreases...

• ## Home PF Correctin

I went to a local energy conservation fair last Saturday, and there was a guy there selling a power conditioning box for homeowners. It was basically...
Working...
X