TTI Transformer 20 kVA – 400 V Tr./400+N+Sch for Photovoltaic Systems

The TTI 20 kVA 400V Tr./400+N+Sch Transformer is a solution designed to ensure maximum efficiency and reliability in voltage conversion for photovoltaic systems. Thanks to its ability to handle three-phase voltages and neutral grounding, this transformer is ideal for integration into solar power generation systems, ensuring stability and operational safety.

Main features:

• Rated power: 20kVA, perfect for medium-sized PV system applications, ensuring reliable energy conversion.
• Primary Voltage (P): 400V 3 Phase – Supports 400V 3 phase input, commonly used in industrial and commercial networks.
• Secondary Voltage (S): 400V + N + Shield – The secondary configuration includes a 400V three-phase output with neutral and shield (Sch), providing additional protection against electromagnetic disturbances and creepage.
• Specific Application for Photovoltaic Systems: Designed to work with inverters and photovoltaic systems, this transformer ensures that the energy produced is converted and distributed in a safe and stable manner.
• Neutral grounding: The presence of the neutral allows for better management of leakage currents and greater electrical safety, minimising risks associated with overvoltages or faults.
• Electrostatic Shield (Sch): The shield between primary and secondary improves insulation and protects against electromagnetic interference, making the transformer ideal for environments with sensitive electronic equipment.

Technical specifications:

• Model: TTI 20 kVA
• Type: Three-phase transformer
• Rated power: 20 kVA
• Primary voltage (P): 400V AC three phase
• Secondary voltage (S): 400V + N + Screen (Sch)
• Operating frequency: 50/60Hz
• Degree of protection: IP23, resistant to dust and light splashes of water, suitable for indoor installation.
• Insulation: Class H, with resistance up to 180°C
• Cooling: Natural (AN), without the need for forced ventilation.
• Weight: 150 kg
• Dimensions: 800mm x 600mm x 400mm

Main applications:

• Photovoltaic systems: Ideal for medium-sized solar power generation systems, connected to three-phase networks.
• Industrial and commercial installations: Suitable for electrical networks requiring three-phase conversion with neutral earthing and additional protection against electromagnetic disturbances.
• Inverter Power Systems: Perfect for powering inverters in environments with sensitive equipment.

Product Benefits:

1. Efficiency and reliability: The 400V + N + Sch configuration guarantees stable and safe operation, even in the presence of electromagnetic disturbances.
2. Full Protection: The electrostatic shield between the primary and secondary provides protection against interference, improving the quality of the electrical current supplied.
3. Ease of integration: Compatible with a wide range of photovoltaic systems, this transformer can be easily integrated into new or existing systems.
4. Advanced Safety: Neutral grounding improves operational safety by reducing risks related to overvoltages and faults.