Three Phase Isolation Transformer
Three Phase Isolation Transformers are devices that decouple two circuits, the load to the isolation transformer and the input supply. They suppress electrical noise that occurs in transmission lines and blocks the transmission of DC signals from one circuit to another. They also prevent interference caused by ground loops.
Isolation transformers are constructed with two isolated Faraday shields between the primary and secondary windings. The use of two shields in the construction of the isolation transformer diverts high-frequency noise. The two shields provide more effective isolation of the primary and secondary circuits and also isolation to their grounds.
Advantages and Benefits
- Very high noise attenuation capacity.
- Reduced coupling capacitance.
- Lesser leakage current.
- Suitable for higher harmonic loads.
- The core will not saturate even if the applied voltage is high.
- Facilitate direct current power isolation
- Ensure safety during testing and servicing
- Enable Scalable build of units based on would coils.
SPECIFICATIONS | |||
---|---|---|---|
System Connections | Delta/Star | ||
Input Voltage | 415V 3 Phase | ||
Output Voltage | 415V or 200V 3 Phase | ||
Ratios | 1:1 and 2:1 | ||
Regulation | Better than 3.5% | ||
Power Factor | 0.75 Lead or 0.75 Lag | ||
Di-electric Strength | 3KV for 60 sec | ||
Insulation Resistance | Better than 1000 Mega Ohms | ||
Coupling Capacitance | 0.1 PF for 8o db | ||
Leakage Current | Less than 20 Micro Amps | ||
Common Mode Attenuation | 80 db/100 db | ||
Construction Standards | As per IS 2026 Part I and II, IS 11171 | ||
Type of Execution | Closed Type | ||
Operating Temperature | 0°C to 45' C | ||
Type of Cooling | Natural air / Forced air Oil cooled (optional) |
Application
- Analytical Instruments
- Biomedical Equipment
- Cell Phone Networks
- CNC Machines
- Garment Equipment
- Large Computer Installations
- Printing Machinery
- Remote Control Equipment
- Scientific Equipment
- Textile Machinery
- Telecommunication Equipment
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