At the Tortech High Voltage Lab in Sydney, we are performing detailed testing on special dry-type 35kV bushings to assess their performance and reliability under high-voltage conditions. These bushings are…
Tortech will close for Christmas Holiday from Thursday 19th December 2024 and will resume on Monday 6th January 2025 (Skeleton Staff). We prepare all online orders to be received by end of day Tuesday the…
3 phase 415/6v 4000A 50hz.Input voltage is controlled by three single phase 20kva 240-270v 50hz 80A variacs.This is a unique design using single turn copper bar output circuits.The vector arrangement…
Exciting News! 🚆 Introducing our latest innovation: NEW three-phase isolation transformers with advanced earth relay detection circuits, specially designed for railway applications.
Three phase metering unit. three phase metering unit for renewable energy applications
Item 1 – Cast Resin type Isolation Transformer | HV Winding 1 | LV Winding 1 | LV Winding 2 | |
Rated power | kVA | 315 | 1250 | 1250 |
Rated voltage | kV | 33 | 0.48 | 0.48 |
Frequency | Hz | 50 | ||
Off circuit tapping links | % | ±2.5%, +-5% | Nil | Nil |
Connection | Delta | Star | Star | |
Vector group | Dy11y11 | |||
Insulation level (Maximum BIL/AC) | kV | 150/70 | 10/3 | 10/3 |
Winding material | Aluminium cast windings in quartz filled self-extinguishing epoxy resin | Aluminium cast windings in quartz filled self-extinguishing epoxy resin | Aluminium cast windings in quartz filled self-extinguishing epoxy resin | |
Type of winding | Vacuum Resin Cast | Vacuum Resin cast | Vacuum Resin cast | |
Standard | AS 60076-11, AS 2374 | |||
Installation | Indoor | |||
Degree of protection | IP22 | |||
Type of cooling | AN/AF | |||
Installation altitude | < 1000 a.m.s.l | |||
Climatic/environmental And fire behaviour class | E2-C2-F1 | |||
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