Varient in Transformer: Kv Potential Transformer
An 11 kV Potential Transformer (PT) with a resin cast and fuse is an electrical device that steps down 11,000 volts to a lower, safer voltage for measurement and protection purposes. The "resin cast" feature means the active parts are sealed in a durable epoxy resin for insulation and protection, while the fuse provides over current protection for the secondary side of the transformer. These are typically dry-type transformers used indoors.
| Feature | Value |
|---|---|
| Type | Epoxy Cast, Indoor Potential Transformer (PT) |
| Standards | IS: 3156 / 1992 |
| System Voltage | 11 kV (as per requirement also) |
| Insulation Level | 12 kV / 28 kV / 75 kVp (as per requirement also) |
| Ratio | 11 kV√3 / 110 V√3, single-phase / three-phase (as specified) |
| Frequency | 50 Hz ± 5% - 60 Hz |
| Connection | Star connected, secondary earth neutral system out |
| Accuracy Class | Cl. 0.1, 0.2 & 0.5s (as per specified) |
| Burden | 5VA, 10 VA / 15 VA (or as specified) |
| Fuse | HT HRC fuse provided on primary side |
| Thermal Rating | Continuous 1.2 × rated voltage |
| Protection | Primary side fuse provided |
| Construction | Epoxy Resin Cast, Vacuum cast |
| Mounting | Indoor, base-mounted |
| Terminals | Brass Clamp |
| Ambient Temperature | -10°C to +50°C ± |
| Service Conditions | Indoor type |
| Markings | As per IS: 3156 (Ratio, VA, Class, Serial No., Year, Standard) |
Note: Technical Specifications and illustrations are subject to change arising out of continuous Product Development.
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