- Junengda 35 KV Oil-immersed Transformer overview>>>
The Junengda 35kV three-phase oil-immersed transformer is a high-efficiency, low-loss solution designed for reliable power distribution and transmission in industrial, commercial, and renewable energy systems. Engineered with advanced insulation technology and robust construction, it ensures stable voltage conversion, minimal energy waste, and long-term durability under demanding operational conditions.
Ideal for substations, mining facilities, and renewable energy plants, the Junengda 35kV oil-immersed transformer delivers unmatched efficiency, durability, and adaptability, making it a cornerstone of modern power infrastructure.
- Junengda 35 KV Oil-immersed Transformer Features>>>
Judennda’s 35kV three-phase oil-immersed transformer is engineered for superior performance in power generation enterprises, industrial complexes, and mining facilities, delivering reliable energy distribution across 35kV systems. Designed to meet IEC 60076, IEC 60296, and GB/T 6451-2015 standards, our transformers ensure global compatibility and operational excellence.
Featuring low-loss cores constructed from high-grade cold-rolled silicon steel, these transformers reduce no-load losses by up to 25% compared to conventional models, significantly lowering operational costs159. The copper-wound coils enhance conductivity and thermal stability, ensuring durability under high-load conditions and exceptional resistance to short-circuit stresses.
With a fully sealed tank design, the transformer minimizes oil oxidation and moisture ingress, enabling maintenance-free operation even in harsh environments. Advanced cooling systems (ONAN/ONAF) and optimized longitudinal oil channels ensure efficient heat dissipation, extending service life.
Rigorously tested in over 50 countries, including East Asia, Central Asia, Southeast Asia, and South Asia, our transformers are trusted for their adaptability to diverse grid conditions and extreme climates. Proven in industrial and mining applications, they offer unmatched reliability for critical 35kV power distribution networks.
Judennda combines cutting-edge engineering with globally certified quality, making our 35kV oil-immersed transformers the ideal choice for enterprises prioritizing energy efficiency, safety, and long-term value.
- Junengda 35 KV Oil-immersed Transformer advantage>>>
Junengda’s 35kV three-phase oil-immersed transformer delivers exceptional performance and reliability tailored for global industrial and utility applications. Engineered with cutting-edge technology, it ensures energy efficiency, durability, and environmental safety while meeting stringent international standards.
- Superior Energy Efficiency with Ultra-Low Losses
Featuring advanced cold-rolled silicon steel cores and high-purity oxygen-free copper windings, our transformer minimizes no-load losses (≤1.1 kW) and load losses (≤10.5 kW), specific parameters may vary depending on the product model.. Optimized magnetic flux distribution and multi-layer cylindrical winding structures reduce eddy current losses, achieving over 98.5% operational efficiency. This design aligns with global energy-saving initiatives, significantly lowering long-term operating costs.
- Enhanced Mechanical Strength and Short-Circuit Resilience
Robust structural innovations, including reinforced coil supports, rigid frame clamping systems, and longitudinal oil-cooling channels, ensure unmatched resistance to short-circuit forces. The transformer withstands extreme mechanical stress during transportation and operation, maintaining stability even under 20% overload conditions.
- Environmentally Safe and Low-Noise Operation
Utilizing fully sealed, corrosion-resistant tanks with corrugated fin, the transformer eliminates oil oxidation and moisture ingress, extending service life to 25–30 years. Precision-engineered laminated cores and noise-damped enclosures reduce acoustic emissions by 2–4 dB, making it ideal for urban and noise-sensitive environments.
- Reliable Performance in Harsh Conditions
Tested for prolonged operation in cold environments, the transformer maintains stable full-load output with minimal thermal stress. High-quality filtered insulating oil and triple-sealed joints prevent leaks, ensuring consistent performance in extreme temperatures (-25°C to +40°C) and high-altitude regions.
- Low Maintenance and Extended Lifespan
The sealed design eliminates routine maintenance, while vacuum-dried insulation and anti-aging rubber seals resist degradation. With a 30% reduction in no-load losses compared to conventional models, Junengda’s transformer guarantees reduced downtime and lifecycle costs, supporting sustainable energy infrastructure worldwide.
Optimized for grid stability and industrial scalability, Junengda’s 35kV oil-immersed transformer combines innovation, durability, and eco-efficiency—empowering your projects with reliable power solutions.
- Junengda 35kV Three-Phase Oil-Immersed Transformer Case 1.Renewable Energy Integration in ChinaJudenda’s 35kV three-phase oil-immersed transformers are widely deployed in large-scale solar farms across China. For instance, in a 120MW photovoltaic plant in Anhui Province, these transformers efficiently step up voltage from solar inverters to 35kV, enabling seamless grid integration. Their robust design ensures minimal energy loss and reliable operation in harsh environments, supporting China’s transition to clean energy15.
2.Industrial Power Distribution in Southeast Asia
A manufacturing hub in Vietnam adopted Judenda’s 35kV oil-immersed transformers to stabilize power distribution for heavy machinery. The transformers’ high load capacity and overload tolerance ensure uninterrupted operations in high-temperature industrial settings, reducing downtime and maintenance costs. Their fire-resistant and explosion-proof features align with strict regional safety standards410.
3.Mining Sector Reliability in Australia
At a coal mine in Queensland, Judenda’s 35kV transformers were integrated into the site’s substation to manage voltage fluctuations caused by heavy equipment. The transformers’ superior thermal management and corrosion-resistant construction withstand dusty and humid conditions, ensuring stable power supply for critical mining operations and enhancing overall productivity67.
By combining durability, efficiency, and adaptability, Judenda’s 35kV three-phase oil-immersed transformers deliver unmatched performance across diverse global applications, from renewable energy to industrial and grid modernization projects.
- Junengda 35kV Three-Phase Oil-Immersed Transformer FAQ
- What is a 35kV Three-Phase Oil-Immersed Transformer?
A 35kV three-phase oil-immersed transformer is a power distribution device designed to step up or step down voltages in electrical grids. It operates at 35kV voltage levels, uses mineral oil for insulation and cooling, and is ideal for medium-to-high voltage applications such as substations, industrial plants, and renewable energy systems. These transformers comply with international standards like IEC and GB, ensuring reliability and safety.
- Where are 35kV Oil-Immersed Transformers Typically Used?
They are widely deployed in power transmission networks, mining facilities, wind/solar farms, and large-scale industrial complexes. Their robust design supports continuous operation under harsh conditions, including high humidity and temperature fluctuations.
- What Safety Features Does the Transformer Include?
Junengda transformers integrate gas relays, pressure relief devices, and temperature monitoring systems. The gas relay triggers alarms during internal faults, while the pressure release mechanism prevents tank rupture. Additionally, oil conservators and silica gel breathers maintain oil quality and insulation performance.
- How Efficient and Durable Are These Transformers?
With advanced core materials and optimized winding designs, our transformers minimize no-load and load losses, achieving over 99% efficiency. The oil-immersed structure ensures long-term durability, with a service life exceeding 25 years under proper maintenance.
- What Maintenance is Required?
Regular checks include oil level inspection, temperature monitoring (max 55°C rise above ambient), and annual dielectric strength tests. For extended outages, ensure monthly brief operation to preserve insulation integrity. Always follow local safety protocols during maintenance.
- Can the Transformer Be Customized?
Yes! Junengda offers flexible configurations, including on-load/off-load tap changers, corrosion-resistant coatings, and accessories like surge arrestors or protective relays. Custom voltage ratios and capacity ranges are available to meet specific project needs.
- Why Choose Junengda35kV Transformers?
Our transformers combine cutting-edge technology, rigorous quality control, and global certifications. They deliver stable performance in diverse environments, reduce energy waste, and comply with eco-friendly regulations. Partner with us for reliable power solutions tailored to your grid demands.