SVG for Reactive Power Compensation in Industrial Plants A shovel line that punished the capacitor bank A copper mine in Chile ran an 800 kW electric shovel with 1.2 MW peaks on a 690 V bus. Voltage flicker (Pst) measured 1.6 against the 1.0 limit, and the contactor-switched capacitor bank cycled more than 200 times per day. Contactors failed every seven months, and the site p...
BANGKOK, THAILAND — To ensure the smooth operation of customer power systems and optimize grid performance, a senior engineering team from Shanghai YT Electric Co., Ltd. (YT Electric) recently traveled to Thailand to perform comprehensive on-site debugging, testing, and technical training. As a leading high-tech enterprise specializing in power quality solutions, YT Electric is dedicated to ...
Active Harmonic Filter Acceptance Test: 5 Critical Steps for Capacity Verification & Site Commissioning A purchase order does not prove that an Active Harmonic Filter will pass site acceptance. The project team must confirm what happens at the point of common coupling (PCC) when VFDs, rectifiers, welders, UPS systems, and capacitor banks operate together. Before acceptance...
Introduction: When the Protector Needs Protection Every facility manager knows the UPS is the last line of defense — the safety net that keeps critical operations alive when the grid fails or voltage sags. But there is an irony discovered only after equipment fails: the very load the UPS protects can quietly damage the UPS itself. Modern critical loads are almost always nonline...
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