It can only be used in places where there is a need to reduce or increase voltage and when isolation is not required.
Auto transformers are smaller in size and lighter than isolated transformers. Due to this feature, auto transformers are cheaper.
They are produced as single-phase or three-phase depending on the need. Three-phase auto transformers are generally used in star/star connection groups. However, it is also used as triangle/triangular from time to time.
In applications where the difference voltage between the input voltage and the output voltage is more than 50%, the price advantage of the auto transformer is no longer present. In this case, it is much more advantageous to use an isolated transformer.
Copper winding, CCA wire winding or Aluminum wire winding can be made. The manufacturing process is the same as isolated transformers.
Auto transformers are also more advantageous than isolated transformers in terms of efficiency. While the efficiency of the isolated transformer of the same power is 96%, the efficiency of the auto transformer is around 98%.
General Features
➤ Auto structure
➤ 000 – 22,000 gausse sheet metal
➤ Class H copper or aluminum winding
➤ Aluminum or copper Foil wrap
➤ Overheat protection thermostat
➤ UK: 3% – 4%
➤ Withstands 200% load for 2 minutes
➤ Vacuum varnish
➤ Oven drying
➤ Input – Output protection with fuse
➤ Insulation voltage: 4,000 VAC
➤ High efficiency
➤ Terminal or lug connection
➤ Input-output filter
➤ Painted or unpainted solutions
➤ Cooling with fan
➤ Silent operation
➤ Conditions test
➤ IP 20 – IP65 Protection class
➤ CE and ISO-9001 certified
➤ Special packaging
General Usage Areas
➤ Engines,
➤ Automation
➤ Machines
➤ Lighting
➤ Panel
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