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High Voltage Combined Transformers up to 245 kV
Combined instrument transformers contain a current transformer and an inductive voltage transformer within the same body.
Thus they are used in the same applications as their respective independent transformers; they separate meters, counters, relays, etc., from the high voltage circuit, and provide a scaled replica of the current and voltage in the HV line.
Combined transformers are suitable for use in substations where space or installation costs make using independent Transformers difficult.