SUBSTATIONS & EARTHING
INSTRUMENTATION TRANSFORMERS
HIGH VOLTAGE INSTRUMENT TRANSFORMERS
Current Transformer : 66kV / 132kV / 220kV ( Live Tank and Dead Tank Type)
Potential Transformer: 66kV / 132kV / 220kV
- All transformers can be supplied with porcelain or polymer insulators
- Compliance with IEC, ANSI/IEEE or equivalent standard
- Supplier are equipped with NABL Accredited High Voltage laboratory with 800 kVp Impulse to carry out dielectric routine and type tests.
- Maintenance free during a long lifetime of more than 30 years
- Rated Primary Current up to 3000A
- IP55 Protection for the secondary windings in the terminal block
- High quality paper-oil insulation
MEDIUM VOLTAGE INSTRUMENT TRANSFORMERS
Instrument Transformers convert high currents or voltages into measurable and standardized output. They are intended to supply electrical measuring instruments, meters, relays or other electrical devices. Furthermore, the connected measuring and protective devices are electrically insulated against live parts. Both indoor and outdoor options can be provided.
- All transformers can be supplied with porcelain or polymer insulators
- Compliance with IEC, ANSI/IEEE or equivalent standard
- Supplier are equipped with NABL Accredited High Voltage laboratory with 800 kVp Impulse to carry out dielectric routine and type tests.
- Maintenance free during a long lifetime of more than 30 years
- Rated Primary Current up to 3000A
- IP55 Protection for the secondary windings in the terminal block
- High quality paper-oil insulation
Current Transformers
- Indoor: Window CT / Bar CT / Wound CT /
- Outdoor: Resign Cast CT
- Maximum System Voltage: 6kV / 6.6kV / 12 kV / 24 kV / 36kV
- Rated Primary Current: 5A to 5000A
- Secondary Current: 1A or 5A. Can be supplied per customer requirement
- Secondary Burden: 5 to 20 VA. Can be supplied per customer requirement
- Accuracy Clas : Metering: 0.2s, 0.2, 0.5, 0.5s, 1.0 or as per IEC
Protection: 5P10, 5P20, 10P10 or as per IEC
- Instrument Safety Factor: Less than 5
- Rated Frequency: 50Hz, 60Hz
- Maximum Insulation level: 36/70/170 kV
Voltage Transformer
- Indoor: Fixed Type VT / Gun Type VT / Earthing Trunk VT / 2 pole VT
- Outdoor: Resign Cast Outdoor: Resign Cast VT
- Maximum System Voltage: 6kV / 6.6kV / 12 kV / 24 kV / 36kV
- Rated Frequency: 50Hz, 60Hz
- Maximum Insulation level: 36/70/170 kV
- Rated Continuous Thermal Current: 120%, 150%, 200%
- Rated accuracy Classes: Metering: 0.2, 0.5, 1.0, 3.0.
Protection: 3P, 5P (Open Delta / Star Star)