AS
Public post
Ashish Shorma Dipta
Sep 2026 • linkedin
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⚡ Your transformer doesn’t “hold” the voltage steady. It constantly adjusts its turns ratio to keep the downstream voltage within the desired range. That hidden mechanism is the On-Load Tap Changer (OLTC). And it can make the difference between a stable 11 kV bus and a voltage profile that constantly drifts with grid conditions. 🔄 🔍 What Exactly Does an OLTC Do? An OLTC changes the transformer’s effective turns ratio while the transformer remains energized and supplying load. So when the incoming voltage changes…
#PowerSystems#Transformer#OLTC#VoltageRegulation#ElectricalEngineering
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