33KV Oil Immersed Distribution Transformer

The 33KV Oil Immersed Distribution Transformer manufactured by Anqiang Power is designed for medium and high voltage power distribution networks requiring stable performance, high efficiency, and long service life. It is widely applied in utility substations, industrial power systems, infrastructure projects, and large commercial facilities where reliable voltage conversion and continuous operation are essential.

This Transformer adopts a fully sealed oil-immersed structure with optimized winding design and high-grade silicon steel core. The internal insulation system is reinforced to improve thermal stability and reduce operational losses under long-term load conditions. It is suitable for both urban and rural grid applications, especially in environments with fluctuating loads and demanding power quality requirements.

Actual product photos

Product advantages overview

• Low no-load loss design for improved energy efficiency and reduced operating cost
• High mechanical strength winding structure for strong short-circuit resistance
• Fully sealed tank structure to prevent oil leakage and moisture ingress
• Stable thermal performance under continuous heavy-load operation
• Suitable for grid expansion, industrial parks, and renewable energy systems

Technical Parameters

Performance parameters of S11 type 33KV oil immersed distribution transformer

Installation method and on-site guidance

The installation of the 33KV Oil Immersed Distribution Transformer should follow standard substation engineering procedures to ensure safety and long-term stability.

• Foundation preparation: A reinforced concrete foundation is required to support transformer weight and vibration load.
• Positioning: Ensure proper ventilation clearance around the transformer for heat dissipation.
• Grounding system: A reliable grounding grid must be installed to meet safety regulations and lightning protection requirements.
• Oil inspection: Check oil level and insulation oil quality before commissioning.
• Cable connection: High-voltage and low-voltage terminals must be tightened according to torque specifications.
• Commissioning test: Perform insulation resistance, ratio test, and no-load energization before full operation.

Product structure and design

The 33KV Oil Immersed Distribution Transformer uses a rational core clamping structure and precision winding alignment to reduce electromagnetic noise and improve operational stability. The tank is manufactured using high-strength steel with anti-corrosion coating, ensuring long-term durability in outdoor environments.

Application scenarios

This 33KV Oil Immersed Distribution Transformer is commonly used in substations, wind and solar power integration systems, industrial manufacturing plants, mining operations, transportation infrastructure, and large-scale commercial buildings requiring stable and efficient power distribution.

Key advantages compared with similar products

• Lower energy loss compared with conventional S9/S10 transformer models
• Improved overload capability under fluctuating grid demand
• Enhanced insulation system for higher voltage stability
• Longer service life due to optimized thermal and oil circulation design

FAQ

Q1: What is the typical service life of this transformer?
A: Under proper operation and maintenance, the service life can exceed 20–25 years depending on load conditions and environment.

Q2: Can the transformer operate under overload conditions?
A: Yes, it can handle short-term overloads, but continuous overload operation should be avoided to maintain insulation integrity.

Q3: What maintenance is required?
A: Regular oil testing, insulation inspection, and terminal tightening are recommended to ensure stable performance.

Q4: Is customization available?
A: Yes, voltage levels, capacity, and structural design can be customized based on project requirements.

Q5: How does it compare with dry-type transformers?
A: Oil-immersed models provide better heat dissipation and higher overload capacity, making them suitable for outdoor and high-load environments.