About Electrical Voltage Transformer
Electrical Voltage Transformer
Power - Up to 500 kVA
Primary Voltage - Up to 690 V
Application - Electric utility power systems, Mine power systems, Commercial power systems
Coil Structure - Toroidal
Phase - Single & Three
Insulation - Up to Class H Power Up to 500 kVA
Primary Voltage Up to 690 V
Application Electric utility power systems, Mine power systems, Commercial power systems
Coil Structure Toroidal
Phase Single & Three
Insulation Up to Class H
Exceptional Efficiency and ReliabilityEngineered for superior electrical performance, the transformer delivers an impressive 97-99% efficiency and features no-load losses under 1% of its rated capacity. The Class F insulation and robust construction ensure reliable operation over more than 25 years, even in harsh climate conditions. High-grade copper windings, combined with reduced leakage flux, contribute to energy savings and sustained performance.
Versatile Installation OptionsThis transformer is designed for both indoor and outdoor use, offering versatility for different site requirements. The skid-mounted base simplifies installation, making it suitable for utility substations, industrial plants, and renewable energy applications. With a painting and finish of epoxy coating, the transformer is highly resistant to corrosion under varying environmental conditions.
Safety and Standards CompliancePrioritizing user safety, the transformer incorporates comprehensive protective features, including IP23-rated enclosure, earth connection, and porcelain bushings for both high and low voltage sides. Every unit undergoes strict routine and type testing per IS 2026 and IEC 60076 standards to guarantee quality, reliability, and electrical safety in operation.
FAQ's of Electrical Voltage Transformer:
Q: How can this transformer be installed and where is it suitable for use?
A: This transformer is designed for both indoor and outdoor installation, mounted on a robust skid base for stable placement. Its epoxy-coated finish protects against corrosion, making it suitable for locations such as substations, industrial sites, and renewable energy facilities within altitudes up to 1000 meters above sea level.
Q: What makes the transformer highly efficient and reliable?
A: The transformer uses a high-grade silicon steel core and pure electrolytic copper windings, achieving 97-99% efficiency. With minimized no-load and full-load losses, Class F insulation, and reduced leakage flux, it ensures highly reliable performance and a service life exceeding 25 years.
Q: When should the tap changer function be used?
A: Use the on-load or off-load tap changer to adjust output voltages during operation or maintenance. This function helps regulate and stabilize voltage levels in response to grid fluctuations or load changes, ensuring optimal performance under varying conditions.
Q: What standards and safety features does this transformer comply with?
A: The transformer meets IS 2026 and IEC 60076 standards, ensuring complete adherence to global electrical safety and quality norms. It features IP23 protection, porcelain bushings, earth connection, and high dielectric strength to provide safe operation and mitigate risks in demanding environments.
Q: How does the transformer contribute to noise control and environmental safety?
A: Operating at noise levels below 55 dB at 1 meter, the transformer minimizes sound pollution for indoor and outdoor use. The oil-cooled system and copper lugs with bolted connections further enhance environmental and operational safety.
Q: What is the process of routine and type testing performed on this transformer?
A: Each transformer undergoes a comprehensive set of routine and type tests as specified by IS 2026 and IEC 60076. These tests ensure electrical integrity, dielectric strength up to 35 kV/min, short-circuit withstand capability up to 16 kA, and overall operational reliability before shipment.
Q: What are the key benefits of using this step-down transformer in electrical infrastructure?
A: Key benefits include customizable voltage output, minimal operational losses, long service life, robust safety features, compliance with international standards, and easy integration into existing power grids or new installations. Its versatile design addresses diverse voltage regulation and power transmission needs.
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