33 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer

• Junengda 33 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer  Overview>>>

Junengda 33 kV Dry-type Transformer, specializing in high-performance power distribution, is designed for safe, efficient, and eco-friendly operations. Ideal for industrial plants, commercial complexes, and renewable energy systems, our transformers incorporate advanced epoxy resin casting technology to ensure superior insulation, moisture resistance, and mechanical stability.

• Junengda 33 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer  Technical Specifications>>>

Rated Capacity(KVA)	Voltage Combination and Decomposition Ranges			Vector Group	No-load Loss(w)	Load losses under different insulation system temperatures kW			No-load current (%)	Short Circuit Impedance(%)
	High Voltage Tap Range（kv）	Tap Changing Scope（%）	Low Voltage (kv)			130 ℃(B) (100 ℃)	155 ℃(F) (120 ℃)	180 ℃(H) (145 ℃)
50	33	±2.5 ±5	0.4	Dyn11 Yyno	0.36	1.34	1.42	1.52	2.3	6
100					0.504	1.97	2.09	2.23	2
160					0.632	2.65	2.81	3	1.5
200		±2×2.5 ±5			0.704	3.13	3.32	3.55	1.5
250					0.792	3.58	3,80	4.06	1.3
315					0.936	4.25	4.51	4.82	1.3
400					1.096	5.1	5.4	5.79	1.1
500					1.296	6.27	6.65	7.11	1.1
630					1.488	7.25	7.69	8.23	1
800					1.728	8.6	9.12	9,76	1
1 000					1.944	9.86	10.4	11.1	0.75
1 250					2.264	12	12.7	13.6	0.75
1 600					2.592	14.6	15.4	16.5	0.75
2 000					3.056	17.2	18.2	19.5	0.75
2 500					3.56	20.6	21.8	23.3	0.75

• Junengda 33 kV  Three-phase Epoxy Resin Cast Dry-type Distribution Transformer  Features>>>

Certified Global Compliance

Meeting IEC, IEEE, and CIGRE standards, Junengda’s transformer is certified for international markets, including CE and UL listings. These accreditations ensure compliance with stringent safety and environmental regulations, fostering trust across diverse regions.Dominant Markets & Applications

Widely adopted in Southeast Asia (Malaysia, Thailand), Europe (Germany, Netherlands), Africa (South Africa), and Latin America (Brazil, Chile), Junengda transformers support grid modernization, solar/wind farms, and urban infrastructure. Their adaptability to tropical humidity and desert heat makes them a top choice for energy resilience.

 

Advanced Structural Integrity

Featuring vacuum-cast epoxy resin encapsulation, the transformer resists thermal shock, corrosion, and partial discharge. Its compact, lightweight design simplifies installation in space-constrained sites, while noise levels below 55 dB meet urban environmental norms.

Smart Operational Efficiency

Equipped with IoT-enabled temperature sensors and predictive maintenance alerts, Junengda’s transformer optimizes energy loss reduction (≤0.8%) and real-time thermal management. This innovation aligns with global sustainability goals, minimizing downtime and lifecycle costs for industries and utilities.

• Junengda  33 kV  Three-phase Epoxy Resin Cast Dry-type Distribution Transformerr  Advantage>>>

Superior Safety

Junengda’s transformer features non-combustible epoxy resin insulation, eliminating fire hazards and ensuring reliable electrical protection in high-risk settings like industrial plants or dense urban grids.

Unmatched Stability

Designed with shockproof and corrosion-resistant cast windings, Junengda’s transformer withstands voltage surges, short circuits, and harsh weather, guaranteeing uninterrupted performance in extreme conditions.

Low Maintenance Costs

The oil-free, dry-type design eliminates leaks and reduces upkeep needs, offering a 25+ year lifespan with minimal servicing—ideal for cost-conscious operations.

Space-Saving Efficiency

Compact and lightweight, Junengda’s transformer maximizes space utilization in confined installations while also delivering 97–98% energy efficiency, seamlessly aligning with global energy standards.

Eco-Friendly Performance

Free from toxic emissions and operating below 60 dB noise levels, Junengda’s solution supports sustainable infrastructure in eco-sensitive or noise-regulated zones.

High Energy Savings

Advanced core technology minimizes energy loss, cutting operational costs and carbon footprints without compromising power reliability.

Why Choose Junengda?

Junengda’s   33kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer embodies innovation, safety, and sustainability. Trusted in diverse applications—renewable energy systems, smart grids, and urban infrastructure—it empowers clients to achieve efficient, future-ready power distribution.

 

 

 

• Junengda 33 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer Case>>>

1.Urban Rail Transit Power Supply in Singapore

Junengda’s 33 kV epoxy resin cast dry-type transformers were deployed in Singapore’s metro system to ensure stable power distribution across traction substations. Designed for high humidity and compact spaces, these transformers excel in fire resistance and heat dissipation, meeting stringent safety standards for underground environments. The non-flammable epoxy resin insulation and IP55 protection level align with Singapore’s urban infrastructure demands, minimizing maintenance downtime and enhancing operational reliability.

2.Wind-Solar Hybrid Plant in Germany

A renewable energy project in Bavaria integrated Junengda’s dry-type transformers to manage voltage conversion for a 50 MW hybrid wind-solar farm. The transformers’ robust design withstands frequent load fluctuations and harsh weather, while their low-loss characteristics improve energy efficiency. By eliminating oil-based cooling, Junengda’s solution aligns with Germany’s sustainability goals, ensuring compliance with EU environmental regulations.

3.Industrial Automation Hub in Texas, USA

A leading automotive manufacturing plant in Texas adopted Junengda’s dry-type transformers to support its automated production lines. With superior thermal stability (rated for 155°C), the transformers handle peak loads during high-demand cycles without derating. The anti-corrosion resin coating extends lifespan in Texas’s humid climate, reducing replacement costs by 40% over a decade.

• Junengda 33 kV Three-phase Epoxy Resin Cast Dry-type Distribution Transformer  FAQ>>>

1. What are the key advantages of Junengda’s 33 kV epoxy resin cast dry-type transformers?

Junengda’s 33 kV Three-Phase Epoxy Resin Cast Dry-Type Distribution Transformer offers superior fire resistance, explosion-proof performance, and minimal maintenance. Its epoxy resin encapsulation ensures excellent insulation, moisture resistance, and dustproof capabilities, making it ideal for harsh environments like industrial plants, urban grids, and renewable energy systems.

2. How energy-efficient are Junengda’s dry-type transformers?

Designed to meet global energy efficiency standards (e.g., IEC, IEEE), Junengda’s transformers comply with stringent loss requirements, significantly reducing no-load and load losses. This aligns with international initiatives like China’s GB 20052-2020, ensuring compliance with S9/S10 efficiency levels for sustainable power distribution.

3. Are these transformers safe for indoor use?

Yes. Junengda’s transformers are fully enclosed and free from flammable oils, eliminating fire risks. The epoxy resin cast windings provide self-extinguishing properties, making them perfect for confined spaces such as high-rise buildings, metro systems, and mining facilities.

4. What maintenance is required for Junengda’s dry-type transformers?

With no oil or liquid insulation, Junengda’s epoxy resin transformers require minimal upkeep. Routine inspections for dust, temperature, and cooling systems (e.g., forced-air fans) ensure optimal performance. Advanced temperature controllers prevent overheating, reducing downtime.

5. Can Junengda’s transformers handle overload conditions?

Yes. Robust design and high-quality materials allow temporary overloads without compromising safety. The epoxy resin structure withstands thermal stress, while intelligent monitoring systems (optional) provide real-time alerts for abnormal conditions.

6. What certifications do Junengda’s transformers hold?

Junengda’s products meet international certifications, including IEC 60076, ISO 9001, and CE marking. They also adhere to regional standards like T/ZZB 2592-2021 for on-load capacity regulation, ensuring reliability in diverse applications.

7. How does Junengda ensure product longevity?

The epoxy resin cast windings resist corrosion, humidity, and chemical exposure. Combined with low-loss silicon steel cores and precision engineering, Junengda’s transformers deliver a lifespan exceeding 30 years under normal operating conditions.

8. Can Junengda customize transformers for specific projects?

Absolutely. Junengda offers tailored solutions, including adjustable capacity (e.g., on-load tap changers), special enclosures for corrosive environments, and smart monitoring integration. Our R&D team optimizes designs for voltage stability, noise reduction, and compact layouts.

9. Why choose Junengda over competitors?

Junengda combines cutting-edge technology with cost-effective manufacturing. Our transformers feature advanced finite element analysis (FEA)-optimized designs, ensuring mechanical strength and energy efficiency. With global service support and a 5-year warranty, we prioritize customer satisfaction and grid reliability.

10. Where are Junengda’s transformers commonly used?

Ideal for substations, data centers, wind/solar farms, and mining operations, Junengda’s 33 kV dry-type transformers excel in scenarios demanding safety, efficiency, and adaptability. Their silent operation and eco-friendly design also suit urban infrastructure projects.