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High-voltage current and voltage transformers for accurate measurement, protection and control in transmission-class electrical systems.
Instrument transformers convert transmission-system current and voltage to standardized values that can be processed safely by meters, protection relays, control devices and recording equipment.
Oil-paper insulated current transformers supplied in bushing, inverted and tank-type configurations for metering, protection and control.
Up to 550 kV · Up to 5000 A
CVTs provide voltage signals for metering, protection and automatic control and can also serve as coupling capacitors for power-line carrier signals.
Transmission and ultra-high-voltage applications
IVTs transform high-voltage network values to levels suitable for measuring and protection equipment such as relays and recorders.
Metering and protection duty
Accuracy class, insulation level, burden and protection/metering duty are coordinated around the project requirements.
Project-specific specification
HV metering systems.
Protection relays and control systems.
Automatic-control and recording equipment.
Power-line carrier coupling applications using CVTs.