Difference between Isolation and medical Isolation transformers?
The general isolation transformer has a input and output winding isolated from each other. It incorporates a screen but not a full FARADY screen
The general isolation transformer has a input and output winding isolated from each other. It incorporates a screen but not a full FARADY screen
This is one convenient type of discharge reference source for Partial Discharge applications. It can be used to cross check electrical calibrators for partial discharge.
The picture below is a 3-phase 25kVA -415/415V, with taps on the output winding. This 3 phase transformer is built using 3 single phase toroid transformers. A 3 phase transformer…
Assembled and tested on load here at Tortech our single to three phase converters are an ideal cost effective solution to provide 3 phase power from single phase power. Single…
An alternative to the Rotary phase converter is a Variable frequency converter. A VFD is used for low power applications (only anything below 4KW) . A cost alternative to Single to…
The voltage and frequency of countries do vary. Whilst most countries like Australia use 50Hz (50 cycles per second) as their AC frequency a minority use 60Hz, including the United…
Too complicated to work it out what step down voltage converter you need for your 120V USA or 100V Japanese device? No Worries! We've created this automatic guide here at…
Tortech was recently featured in a write up here at DiodeNews. Big Zeta builds incredible digital products, like SaaS products, design tools, power calculators, Gerber viewer and more. It is…
How do you turn on a three phase Variac with a large rated Current? Variac Inrush Problem: Looking at the photos below of a 55A per phase 3 phase variac:…
New 600va Single to Three Phase Testing Unit. It models the 3 phase 415v grid, as an output voltage of 41.5v phase to phase IT IS SAFE FOR STUDENTS In TAFE…
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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