Critical power

Lithium Battery Applications in UPS Systems: Advantages and Challenges
Aug , 02 2025
The Rise of Lithium Batteries in UPS Applications Lithium batteries have gained significant traction in the UPS (Uninterruptible Power Supply) market, offering notable advantages over traditional lead-acid batteries. These benefits include longer lifespan, smaller size, lighter weight, and faster charging. As the cost of lithium batteries continues to fall and UPS manufacturers improve system comp...
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Protecting Digital Substations in a Hostile World: How EverExceed Supports Intelligent Electronics (IEDs)
Jul , 19 2025
In today’s power systems, digital substations have revolutionized control and monitoring with their intelligent electronic devices (IEDs). However, these advanced infrastructures are not immune to threats. In fact, their complexity and sensitivity demand a new level of protection—and that’s where EverExceed comes in. Understanding the Threats to Digital Substations Whether built from the ground up...
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Understanding Key UPS Terms: A Comprehensive Glossary for Power Protection
Jul , 11 2025
Understanding Key UPS Terms: A Comprehensive Glossary for Power Protection In today’s fast-paced world, uninterruptible power supplies (UPS) are crucial to ensuring the seamless operation of businesses and industries. Whether you are dealing with electrical outages or power surges, a UPS acts as a safeguard, ensuring that your critical systems remain operational. To help you better navigate the wo...
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Single-Phase vs. Three-Phase UPS: Which One is Right for Your Business?
Jul , 05 2025
When selecting an Uninterruptible Power Supply (UPS) for your business or organization, understanding the difference between single-phase and three-phase systems is crucial. Both types provide reliable backup power to ensure your equipment continues running during unexpected power disruptions. However, their functionalities differ significantly, especially in large-scale industrial power applicati...
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8 tips to avoid ground loops when dealing with signal level circuits
Jun , 27 2025
Ground loops and signal noise General recommendation is to properly design and implement the facility's grounding system to avoid unwanted involvement of ground loops with the operation of the equipment. This kind of approach can also eliminate the need to consider equipment modifications and to engage in costly diagnostic efforts since most trouble involving common-mode noise is avoided in the si...
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Understanding Sine Wave vs. Square Wave in UPS Systems
Jun , 21 2025
Uninterruptible Power Supplies (UPS) play a crucial role in ensuring the continuity and quality of power for mission-critical applications. One of the most important, yet often overlooked, technical aspects of a UPS system is its output waveform—namely, whether it delivers a sine wave, modified sine wave, or square wave. This waveform directly affects the performance, compatibility, and safety of ...
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How Low-Voltage Active Power Filters Compensate for Harmonics in the Power Grid
Jun , 16 2025
With the increasing use of nonlinear loads such as variable frequency drives, rectifiers, and other power electronic devices, power grid harmonics have become a common problem in low-voltage electrical systems. Low-voltage active power filters (APFs) play a key role in detecting and mitigating harmonic distortion to improve power quality. Here’s how APFs work to actively compensate for harmonics i...
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Understanding Instantaneous Load and Charger Capacity Calculation in Substations
Jun , 07 2025
In modern substations, accurate power system design requires a clear understanding of instantaneous (transient) loads and how they impact equipment sizing, particularly for battery chargers in DC systems. This article breaks down the concept of transient loads, their implications, and how to properly calculate charger capacity under such conditions. 1. What Is an Instantaneous (Transient) Load? A ...
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An Overview of HV Substation Equipment — with Integration of High-Current DC Charging Systems
May , 24 2025
Each operating device in a high-voltage substation serves a vital role. Their shapes and sizes vary depending on their location and purpose, but together they ensure safe, stable, and efficient operation of the entire installation. 1. Switchgear: The Functional Core of a Substation Switchgear consists of various components like circuit breakers, disconnectors, earthing switches, and instrument tra...
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