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We created this space to share technical topics, insights from real-world experience, and lessons we've learned — all written in a way that’s easy to understand. Whether you're an engineer, energy manager, or just curious about how things work, we hope our stories help you


Machines failing… even though harmonics look normal? You might be dealing with “Supraharmonics.”
Why are your machines failing when all measurements look normal?
Discover how invisible high-frequency noise (supraharmonics) can silently damage your system.
Truewatts
6 days ago2 min read


The Harmonics You See May Not Be Yours
Based on our experience in assisting customers with harmonic analysis across many facilities, both within industrial plants/Building and at the Point of Common Coupling (PCC),as well as through discussions with responsible personnel at various levels,we have found that: If operators are able to correctly understand and interpret measurement results, this will lead to decisions that are aligned with the actual condition of the electrical system. 🎯 Objective of This Article Th
Truewatts
Jan 53 min read


Decoding Voltage Sag/Dip Graphs📊
Understand Voltage Sag Graphs with Ease—Gain Insights to Analyze, Plan, and Make Better Decisions At Truewatts, we’ve had the opportunity to support many clients in analyzing data from Power Quality Meters (PQ Meters), especially when dealing with voltage sags or dips. Quite often, the questions that follow are: 👉 “What exactly does this graph mean?” 👉 “How can we make practical use of this data?” This article walks you through how to interpret Voltage Sag/Dip graphs effec
Truewatts
Jul 22, 20253 min read


Does Solar PV affect the Power Factor?
Case Study: Solar PV vs.Power Factor Location: A Manufacturing Facility The origin of this article began when a factory received information suggesting that the newly installed solar PV system might have an impact on the power factor. This raised concerns among the stakeholders, leading the factory to also seek greater visibility into the performance of the solar system itself. In this case, Truewatts stepped in to support both the factory and the investor/EPC by analyzing t
Truewatts
Feb 10, 20252 min read


Why should you care about Power Factor Power Factor ?
When it comes to electrical systems, Power Factor (PF) is one of the key indicators used to measure how efficiently energy is being utilized. PF tells us how effectively electrical equipment or the overall system uses the power it receives. When the Power Factor is close to 1.0 (or 100%), it means the electrical system is operating at maximum efficiency with minimal energy loss. However, when the Power Factor drops, it negatively impacts energy efficiency, which may lead to p
Truewatts
Feb 10, 20254 min read


Why is the IEC 61000-4-30 standard important for Power Quality Monitoring?
IEC 61000-4-30 is a standard that defines the measurement methods and parameters for power quality instruments used in power systems with a fundamental frequency of 50 Hz or 60 Hz. This standard ensures that power quality monitoring instruments from different manufacturers use the same definitions and standardized measurement techniques for power quality parameters such as sag, swell, frequency, interruption, flicker, unbalance, harmonics, interharmonics, and the 2 kHz–150 kH

truewatts
Jul 8, 20241 min read
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