Customized Dual-Winding Transformer NVTC

1. Number of phases/frequency: Three-phase, 50Hz 2. Winding type: Two-winding, three-winding 3. Voltage regulation method: On-load tap changer (NVTC) 4. Voltage regulation range: High voltage side: ±4×2.5% or ±8×1.25% 5. Voltage combination (common): 110kV level: 110±4×2.5% / 10.5kV; 220kV level: 220±8×1.25% / 110kV or 220±8×1.25% / 35kV 6. Connection group: YNd 7. Cooling method: ONAN / ONAF / OFAF 8. Insulation level: Complies with 110kV and 220kV national standards 9. Insulation class: A Oil-immersed type 10 Temperature rise: Average winding temperature rise: ≤65K, Top oil layer temperature rise: ≤55K 11 Short circuit impedance (standard range): 110kV type: 10%～12%; 220kV type: 12%～18% (customized according to capacity and system requirements)

6300kVA~120000kVA Dual-Winding Transformer with NVTC

When your facility demands reliable, efficient power distribution, our 6300kVA~120000kVA dual-winding transformer with NVTC delivers enterprise-grade performance. Manufactured at our two 500,000-square-meter facilities by over 2,000 skilled professionals, these transformers feature on-load tap changing capability with ±4×2.5% or ±8×1.25% voltage regulation range. With short-circuit impedance of 10%~18%, temperature rise ≤65K for windings, and proven performance validated by China's National Transformer Quality Supervision and Inspection Center, you get unmatched reliability for power plants, substations, and industrial facilities.

6300kVA~120000kVA dual-winding transformer with NVTC

What Makes This Transformer Your Smart Investment?

You require more than essential hardware. You require a control arrangement that adjusts to your operational demands.

Our item stands out since it consequently alters voltage without hindering your control supply. The on-load tap changer reacts right away to network vacillations, securing your touchy hardware and keeping up steady operations.

Built for requesting situations, these transformers serve control plants, huge mechanical complexes, petrochemical offices, and center substations around the world. Whether you're overseeing voltage flimsiness or arranging capacity optimization, this transformer adjusts to your needs.

Technical Specifications at a Glance

Parameter	Specification
Capacity Range	6300kVA – 120000kVA
Phases/Frequency	Three-phase, 50Hz
Winding Configuration	Dual-winding design
Voltage Regulation	NVTC (On-Load Tap Changer)
Regulation Range	±4×2.5% or ±8×1.25%
Voltage Combinations	110±4×2.5% / 10.5kV; 220±8×1.25% / 110kV; 220±8×1.25% / 35kV
Connection Group	YNd
Cooling Methods	ONAN / ONAF / OFAF
Insulation Class	Class A Oil-immersed
Temperature Rise	Winding: ≤65K; Top oil: ≤55K
Short-Circuit Impedance	10%~12% (110kV); 12%~18% (220kV)
Standards Compliance	GB/T, IEC, ISO 9001:2015, CE, UL

6300kVA~120000kVA dual-winding transformer with NVTC

Key Advantages You'll Appreciate

Ceaseless Voltage Control

Your operations never halt, and not one or the other does our NVTC framework. Alter voltage consequently beneath full stack without control interruption.

Grid Steadiness Enhancement

Perfect for systems encountering visit voltage swings or sensational stack changes. Your hardware remains secured whereas control quality remains consistent.

Dual Control Capability

Manage both voltage control and capacity alteration at the same time. Decrease vitality misfortunes amid light-load periods and optimize operational costs.

Exceptional Reliability

Designed utilizing Toshiba's progressed investigation computer program and our exclusive confirmation programs. Each component—from center to tank—undergoes thorough testing to guarantee your transformer performs faultlessly for decades.

Proven Performance

Our SSZ11-40000/110 show has effectively passed short-circuit withstand capability tests at the National Transformer Quality Supervision and Assessment Center.

Customization Flexibility

We tailor determinations to your correct necessities. Generation cycles extend from 6 to 30 days, guaranteeing you get absolutely what you require without superfluous delays.

Why Facilities Choose Our Transformers?

You're contributing in more than hardware. You're choosing an accomplice with demonstrated expertise.

With yearly deals surpassing 5 billion RMB and acknowledgment as a "National High-Tech Venture," Lijie Electric conveys unwavering quality supported by 160+ engineers holding progressed degrees. Our transformers serve clients over Australia, Modern Zealand, India, Vietnam, Malaysia, Indonesia, Kazakhstan, Egypt, Kenya, and beyond.

The 6300kVA~120000kVA dual-winding transformer with NVTC speaks to our commitment to quality-first fabricating. We give total specialized documentation, establishment direction, save parts supply, and comprehensive after-sales support.

Every transformer experiences strict quality control at our certified offices. Our items meet universal measures counting ISO 9001:2015, CE, UL, and IEC certifications, giving you certainty in security and execution.

6300kVA~120000kVA dual-winding transformer with NVTC

Frequently Asked Questions

Q: What's the primary advantage of NVTC technology?

A: NVTC permits programmed voltage alteration whereas your transformer works beneath stack. You keep up persistent control supply whereas adjusting to network fluctuations—no downtime required.

Q: Which applications advantage most from this transformer?

A: Control plants, major substations, huge mechanical offices, petrochemical plants, and center stations with variable loads or unsteady lattice conditions see the most noteworthy advantages.

Q: Can you customize determinations for our particular requirements?

A: Completely. We tailor voltage combinations, impedance values, cooling strategies, and other parameters to coordinate your correct operational needs. Our building group works specifically with you to plan the ideal arrangement.

Q: What certifications do these transformers carry?

A: Our products hold ISO 9001:2015, CE, UL, and IEC certifications. They meet GB/T national standards and pass testing by China's National Transformer Quality Supervision and Inspection Center.

Q: How long does production take?

A: Depending on customization complexity and current production schedule, delivery typically ranges from 6 to 30 days.

Q: What support do you provide after installation?

A: We supply complete technical documentation, installation guidance, spare parts, test reports, and ongoing technical support to ensure long-term reliable operation.

Ready to Enhance Your Power Infrastructure?

Get expert guidance on selecting the perfect 6300kVA~120000kVA dual-winding transformer with NVTC configuration for your facility. Contact us at lijieelectrical@gmail.com today.