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Drive Isolation transformers are designed for the requirements of both adjustable frequency and DC motor drive power isolation. Also designed for 6-pulse drive applications.
Drive isolation transformers provide reactive control of current harmonics for both AC and DC motor drives, either static bridge or SCR switch input type.
Reducing current harmonics has two benefits:
Many loads have characteristics similar to AC and DC motor drives. This is transformers because the load inputs are either designed with 3-phase static diodes or 3-phase, 6-pulse, SCR bridge rectifier circuits. Drive isolation transformers can also control the effect of these loads on the primary power system. General equipment applications for drive isolation transformers include: