All Topics

Efficiency

10 articles tagged with "Efficiency"

Hero image for The Illusion of Round Trip Efficiency: Why Your BESS Isn't Performing
GridHacker Team

The Illusion of Round Trip Efficiency: Why Your BESS Isn't Performing

Battery Energy Storage Systems (BESS) based on the "Round Trip Efficiency" (RTE) number plastered on the front page of a marketing brochure, you are setting ...

bess round trip
Hero image for Transformer Efficiency: Beyond the Nameplate Mirage
GridHacker Team

Transformer Efficiency: Beyond the Nameplate Mirage

In reality, transformer efficiency is a dynamic function of load profile, ambient temperature, and harmonic distortion.

transformer efficiency calculation
Hero image for The Efficiency Mirage: Why Your Grid-Tie Inverter Isn't Performing as Advertised
GridHacker Team

The Efficiency Mirage: Why Your Grid-Tie Inverter Isn't Performing as Advertised

The reality is that your inverter is a thermal-management device that happens to convert DC to AC, and its actual performance is governed by the brutal physi...

grid tie inverter
Hero image for Interleaving Power Factor Correction: Why Your Ripple Current Is Killing Your Capacitors
GridHacker Team

Interleaving Power Factor Correction: Why Your Ripple Current Is Killing Your Capacitors

You try to push more current, and your output capacitor ESR (Equivalent Series Resistance) starts cooking the electrolyte until the vent bulges.

high efficiency power
Hero image for The Efficiency Mirage: Why Your BESS Round-Trip Metrics Are Lying to You
GridHacker Team

The Efficiency Mirage: Why Your BESS Round-Trip Metrics Are Lying to You

If you are sizing a Battery Energy Storage System (BESS) based solely on the advertised Round-Trip Efficiency (RTE), you are setting your project up for a pe...

energy storage efficiency
Hero image for The Efficiency Myth: HVDC vs. HVAC in Modern Grid Architectures
GridHacker Team

The Efficiency Myth: HVDC vs. HVAC in Modern Grid Architectures

If you’re a procurement lead, you’ve likely seen the pitch: replace your aging HVAC intertie with a Voltage Source Converter (VSC) based HVDC link and watch ...

hvdc hvac efficiency
Hero image for The Fallacy of Power Factor Correction as an Efficiency Silver Bullet
GridHacker Team

The Fallacy of Power Factor Correction as an Efficiency Silver Bullet

They aren't lying about the physics of the distribution system, but they are flat-out wrong about the thermodynamics of the motor itself.

power factor correction
Hero image for The Reality of Demand Response: Efficiency is Not Just Load Shedding
GridHacker Team

The Reality of Demand Response: Efficiency is Not Just Load Shedding

When procurement teams treat DR as a "set it and forget it" efficiency play, they inevitably end up with a portfolio of assets that are optimized for neither.

demand response energy
Hero image for The Efficiency Fallacy: Why Your Grid-Tied Inverter Isn't Performing as Advertised
GridHacker Team

The Efficiency Fallacy: Why Your Grid-Tied Inverter Isn't Performing as Advertised

What they conveniently bury in the footnotes—if they mention it at all—is that this figure is a laboratory unicorn, achieved at a specific DC voltage, a spec...

grid tied inverter
Hero image for The Myth of Peak Efficiency: Why Your Transformer Loading Strategy is Likely Wrong
GridHacker Team

The Myth of Peak Efficiency: Why Your Transformer Loading Strategy is Likely Wrong

It’s also a dangerous oversimplification that has led to more than a few premature insulation failures and unnecessary capital expenditure headaches.

transformer efficiency is