Transformers - 3PH

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Isolation transformers work in a similar manner as conventional dry-type transformers. However, instead of containing just the primary and secondary windings, an isolation transformer also contains electromagnetic (EMT) shield at the transformer's core to help protect the equipments that the transformer is connected to. The shield works by preventing any high frequency noise or signals, from the primary side, from being induced into the secondary winding and any sensitive equipments that may be connected to the systems.
Standards
Our isolation transformers are designed and tested according to IEC61558-2-6 or as specified by customers.
Features and Benefits

• Protect against electric shock
• Able to isolate circuits with no voltage or current increase or decrease
• Increase safety of electronic systems
• Protect sensitive equipments

Application

• Lighting
• Electric Automation
• Steel
• Machinery
• Robotics,
• Ship Construction,
• Elevator,
• Lifting Industry

 

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K-factor transformers are designed to withstand harmonic currents, generally caused by non-linear loads that are connected to the main supply. These harmonic currents are usually the source of overheating issues in the cable and induction motors. They also increase the losses in the transformers.

Our K-factor transformer can help reduce the heating effect of harmonic currents by using conductors that are able to carry the harmonic currents of non-linear loads without exceeding the temperature rating of the insulation. They also compensate for stresses on a transformer's winding insulation which prevents insulation breakdown and premature failure.

Standards

K-factor transformers are designed and tested according to IEC60076-1 or as specified by customers.
Features and benefits

• Designed according to IEEE C57.110-1986 referenced rating
• Designed for non-linear load of up to K-30
• Conductors are able to carry the harmonics of K-rated loads without exceeding insulation temperature rating
• High-grade steel provides reduced losses in the transformer

Applications

• Induction heaters
• Office/commercial building
• Laboratories (medical and research)
• Industrial facilities
• Hospitals
• Government sites
• Computers/switching power supplies

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Converter duty transformers are used as set up transformer from generator to line voltage.

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Cast-resin power transformers encase the windings in epoxy resin. These transformers simplify installation since they are dry, without cooling oil, and so require no fire-proof vault for indoor installations. 

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The motor must be started at reduced voltage, which can be enabled by an auto-transformer. The auto-transformer greatly reduces the high starting current with moderate starting torque.