Product Description
In this domain, we are reckoned as a valuable manufacturer and supplier of Distribution Transformer. These transformers are sturdily manufactured at our state-of-art unit by utilizing the supreme grade materials and sophisticated technologies. To match with the variegated needs of our clients, we offer these transformers in various sizes, capacities and specifications. We have an adroit team of professionals, who testify Distribution Transformer on various quality parameters before dispatching these to our clients.
Product Details
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Voltage Ratio
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33kV/11V
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Brand
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NGG Power Tech India Pvt Ltd
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Cooling Type
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Oil Cooled
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Number of Phase
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3-Phase
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Power Rating
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8MVA
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Winding Material
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Mild Steel
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Superior Performance and Versatile Mounting OptionsThis transformer caters to diverse installation scenarios, supporting both pole-mounted and pad-mounted setups. Its advanced build ensures minimal loss, efficient cooling (ONAN), and operational reliability within -25C to +45C. The epoxy powder coating and choice of insulation classes (A or F) offer extended durability, even in challenging environments.
Advanced Safety and Operational FeaturesEquipped with essential accessories such as breather, Buchholz relay, oil level gauge, and conservator, this transformer prioritizes safety and effective monitoring. Its porcelain or polymer bushings facilitate secure connections, while off-circuit tap changers enable practical voltage adjustments during maintenance downtimes.
FAQs of Distribution Transformer:
Q: How is the impedance of this distribution transformer determined and why is it important?
A: The impedance, which typically ranges from 4-7% in compliance with IS/IEC standards, is crucial for managing voltage regulation and limiting fault currents. Properly rated impedance ensures stable operation and protection for downstream equipment in the electrical distribution network.
Q: What mounting options are available and how do I select the most suitable type for my application?
A: This transformer is offered in both pole-mounted and pad-mounted versions. The choice depends on your installation environmentpole mounting is suitable for elevated setups in urban or rural networks, while pad mounting is preferred for ground-level installations, often in enclosed or densely populated spaces.
Q: When is a distribution transformer typically installed in an electrical network?
A: Distribution transformers are installed at the final stage of the power distribution process, stepping down high voltage (11 kV) to standardized usage levels (433 V) for commercial, industrial, or residential facilities. Installation usually follows grid expansion or new construction projects.
Q: What is the role of the off-circuit tap changer in this transformer?
A: The off-circuit tap changer allows operators to manually adjust the transformers voltage ratio during maintenance or system shutdowns. This feature enhances flexibility in maintaining voltage stability without energizing the unit, ensuring safer and more reliable service.
Q: Where can this distribution transformer be used most effectively?
A: Ideal for widespread distribution applications, this transformer suits urban and rural utility networks, industrial parks, and commercial complexes. Its robust design, combined with Class A or F insulation and corrosion-resistant coating, supports longevity in diverse climates across India and global markets.
Q: How does the transformer ensure low maintenance and high operational efficiency?
A: With a cooling system based on ONAN (Oil Natural Air Natural), advanced epoxy powder coating, and high-quality copper/CRGO steel construction, the transformer minimizes losses (max load loss: 1700 W) and resists corrosion. This results in a 98% efficiency rate and reduced long-term maintenance demands.
Q: What are the key benefits of choosing this distribution transformer for my facility?
A: Selecting this transformer delivers high energy efficiency, compact footprint, and reliable performance. Its safety-focused accessories, low noise (<50 dB), and adaptable winding configurations address the varying demands of modern distribution systems, ensuring steady and secure power delivery.