Current Transformer – Oil Type
440 kV / 4000 A
Every protection trip, every revenue meter reading, every SCADA decision in your substation begins with a current transformer. JVS builds CTs that the rest of your protection and metering chain can rely on without compromise.
Characteristics
- Hermetically sealed closed-live-part design protects internal components from contamination across the full service life.
- High-precision-machined mechanical components ensure dimensional stability and leak-tight assembly.
- Uniform internal pressure architecture eliminates localised stress on the active part and supports long-term oil retention.
- Complies with IEC 61869-2 and IEEE C57.13.
Technical
- Voltage class: up to 440 kV system.
- Short-circuit current withstand: up to 50 kA.
- Dielectric dissipation factor (tan δ): less than 0.35%.
- Internal arc capability: up to 25 kA (configurable per site requirement).
- Insulating fluid: mineral oil (inhibited or uninhibited) or synthetic ester.
- Housing options: RTV-coated, silicone, or porcelain (brown / gray glaze).
