Transformers antiresonant three-phase voltage transformers NAMI-35 UHL1 are designed for transmission of measuring information signal to measuring instruments, protection devices, automatics, signalling and control in AC power networks of industrial frequency of voltage class 35 kV. Transformers are three-phase electromagnetic large-scale measuring converters with three secondary windings: two main windings (for electricity metering in AIMSUE systems, measurement and protection) and one additional winding (for relay protection circuits).
They require minimum maintenance costs. No supervising engineer is required during commissioning.
It is sufficient to check the oil level during operation. Oil sampling is not compulsory and is carried out at the discretion of the operating personnel, after emergencies or if there are discrepancies in other parameters, as an additional diagnostic measure.
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