On-Load & De-Energised Tap-Changers (OLTC/DETC)
Standards: IEC 60214
Ratio regulation under load or off-circuit, vacuum/oil diverter options, motor drives and replacement gears.
On-Load Tap-Changer (OLTC)
Changes ratio under load; vacuum or oil diverter, motor-driven.
De-Energised Tap-Changer (DETC)
Off-circuit ratio adjustment, rotary or linear, padlockable.
Motor Drive Units
Drives, position transmitters and controllers for OLTCs.
OLTC Oil Filter Units
Keeps diverter oil clean, extends maintenance intervals.
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