High voltage instrument transformers
Current, voltage and combined transformers, oil-paper or gas insulated up to 800 kV.
Current Transformers
Current transformers are designed to provide a scaled down replica of the current in the HV line and isolate the measuring instruments, meters, relays, etc., from the high voltage power circuit.
- Ideal for installation at metering points due to its very high accuracy. Excellent frequency response; ideal for monitoring power quality and measuring harmonics.
- Suitable for installation in AC and DC filters in converter substations for HVDC projects.
Oil-paper insulation:
- Model CA up to 800 kV,
- Model LB up to 362 kV.
Gas insulation:
- Model CG up to 550 kV.
Dry insulation:
- Model CX up to 72.5 kV.
Documentation and Downloads
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Brochure Current transformers
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Brochure High voltage instrument transformers
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User manual Current transformers type CA/CH
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User manual Oil sampling
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User manual Current transformers type CX
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Technical article An approach to instrument transformers
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Technical article Theory and technology of instrument transformers
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Technical article Insulation technology in instrument transformers
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Technical article Tests on instrument transformers
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Technical article Electrical fields in instrument transformers
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Technical article Serial ferro-resonance in voltage transformers
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Technical article Power quality measurement with capacitor voltage transformers
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Technical article Discharge of high voltage lines and capacitor banks through inductive voltage transformers
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User manual Gas insulated instrument transformers
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User manual Current transformers type CA
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Training Brochure
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Arteche Services
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User Manual Current, Inductive and Combined Instrument Transformers
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