TiraThai, a specialized sub-brand of Jinguan Electric dedicated to transformer and electrical equipment innovations, proudly introduces the 12-Pulse Dry-Type Transformers. These advanced units are engineered to deliver superior power quality in high-demand environments, significantly reducing harmonic distortions through their 12-pulse configuration, which minimizes the impact of nonlinear loads on the grid. Ideal for applications requiring clean, stable power, TiraThai's 12-pulse dry-type transformers utilize epoxy resin encapsulation for enhanced safety, moisture resistance, and flame-retardancy, ensuring reliable operation without the risks associated with oil-filled alternatives.
Jinguan Electric, founded in 1979 as a high-tech enterprise in Nanyang City, Henan Province, China, has evolved from pioneering arrester manufacturing to a global leader in high-voltage transmission and distribution equipment. Embracing Industry 4.0 principles, Jinguan Electric drives core competitiveness through continuous innovation, with TiraThai serving as its focused brand for specialized transformer solutions. This sub-brand channels Jinguan Electric's expertise into customizable 12-pulse dry-type transformers that prioritize harmonic mitigation, energy efficiency, and overload resilience, meeting international standards such as IEC 60076, GB/T 10228, and IEEE C57.12.91. Certified by UL, CUL, CCC, CQC, CTQC, CE, and SGS, these transformers uphold ISO9001, ISO14001, and ISO45001 management systems for unparalleled quality.
The TiraThai 12-Pulse Series, building on SCB and SG(B) platforms, achieves up to 70% reduction in 5th and 7th harmonics compared to 6-pulse designs, supporting seamless integration into variable frequency drives (VFDs) and rectifier systems. With cooling options of natural air (AN) for continuous rated capacity or forced air (AF) for 50% overload boosts, they excel in intermittent or emergency operations. Customizable for global variations in voltage, frequency, and regional specialties, these transformers accommodate capacities from 100kVA to 5000kVA and voltages up to 35kV. TiraThai's philosophy—"dig 100 meters deep in 1 meter of space"—reflects Jinguan Electric's commitment to precision, ensuring durability and minimal downtime in dynamic industrial settings.
Transformer Model: Custom 12-Pulse Series Primary Voltage Ratings: 6kV-35kV (Customizable) Secondary Voltage Ratings: 0.4kV-10kV (Customizable) Rated Capacity: 100-5000kVA (Customizable) Rated Frequency: 50/60Hz
This adaptability makes TiraThai's 12-pulse dry-type transformers a cornerstone for harmonic-sensitive applications, enhancing grid stability and equipment longevity worldwide.
Key Features and Engineering Excellence
TiraThai's 12-Pulse Dry-Type Transformers stand out for their innovative design, optimized for harmonic suppression and robust performance. The 12-pulse rectifier configuration—combining two 6-pulse bridges with a phase shift—effectively cancels lower-order harmonics (5th, 7th, 11th), reducing total harmonic distortion (THD) to below 5%, protecting sensitive loads and extending system life. Epoxy resin encapsulation provides a void-free, flame-retardant barrier (UL94 V-0 rated), ensuring self-extinguishing properties and moisture resistance up to 95% RH without derating, ideal for humid or polluted environments.
Cooling versatility includes AN mode for long-term rated operation and AF mode for 50% capacity increase during overloads, supporting intermittent or emergency scenarios while avoiding prolonged non-economic states due to elevated load losses and impedance. The core employs high-permeability CRGO silicon steel with stepped-lap joints, minimizing no-load losses by 20-30%, while copper windings with VPI enhance thermal conductivity and short-circuit withstand (25x rated current for 2s). Low noise levels (under 55dB) result from vibration isolation and optimized coil geometry, suiting urban industrial sites.
Jinguan Electric's automated manufacturing—featuring robotic casting, vacuum impregnation, and AI inspections—guarantees precision, with optional IP54 enclosures for dust/moisture protection. Compared to 6-pulse models, TiraThai units cut grid pollution by 60%, improve power factor to 0.95+, and enable 15-25% energy savings. Integrated features like temperature sensors and overload relays provide proactive protection, aligning with smart grid demands. These attributes exceed GB/T 10228 and IEC 60076 standards, offering users a transformer that balances efficiency, safety, and adaptability.
Technical Specifications
TiraThai's 12-pulse dry-type transformers are precision-specified for reliability, with parameters expandable via customization. Below is a detailed table for the series, compliant with GB/T 10228, IEC 60076, and IEEE C57 standards, incorporating 12-pulse enhancements for harmonic control.
| Parameter | Specification Details |
|---|---|
| Rated Capacity (kVA) | 100-5000 (AN mode continuous; AF mode +50% overload) |
| Primary Voltage (kV) | 6 / 10 / 20 / 35 (Dyn11 connection, customizable) |
| Secondary Voltage (kV) | 0.4 / 0.69 / 1.0 / 10 (customizable for rectifiers) |
| Pulse Configuration | 12-Pulse (phase-shifted bridges for harmonic cancelation) |
| Harmonic Reduction | 70% for 5th/7th orders; THD <5% |
| No-Load Loss (W) | 20-30% below standards (e.g., 1000kVA: 800) |
| Load Loss (W, at 75°C) | Optimized (e.g., 1000kVA: 7000) |
| Impedance Voltage (%) | 4-7% (capacity-dependent) |
| Insulation Class | Class F (155°C); H (180°C) optional |
| Cooling Method | AN (Natural Air); AF (Forced Air) optional |
| Noise Level (dB, 1m) | ≤55 |
| Enclosure Protection | IP20 standard; IP54 optional |
| Efficiency (%) | >98.5 at full load |
| Short-Circuit Withstand | 25x rated current / 2s |
| Power Factor | ≥0.95 |
| Weight (kg, approx. 1000kVA) | 1500-2000 |
These specs support operation up to 1000m altitude, +40°C max ambient, and -25°C min, with full testing for impulse withstand, thermal cycling, and harmonic analysis. Custom options include integrated rectifiers for turnkey systems.
Applications and Performance Benefits
TiraThai's 12-pulse dry-type transformers are optimized for environments plagued by harmonics, such as variable speed drives (VSDs), rectifiers, and power electronics. In industrial facilities like steel mills and chemical plants, they power multiple VFDs for motors and pumps, reducing THD to prevent overheating and equipment failure. Data centers and hospitals deploy them for UPS and critical loads, ensuring clean power for servers and medical devices with minimal grid feedback.
Renewable energy inverters and EV charging stations benefit from the phase-shifted design, stabilizing outputs amid nonlinear inputs and improving overall system efficiency. In urban substations, the overload capacity handles peak demands without derating, while low noise supports noise-sensitive areas. Jinguan Electric's global deployments yield 99.95% uptime, 20% energy savings from harmonic mitigation, and extended MTBF over 50,000 hours, fostering resilient, green power networks.
Why Choose TiraThai by Jinguan Electric?
TiraThai, as Jinguan Electric's sub-brand, delivers 12-pulse excellence backed by 45+ years of innovation. Our transformers offer superior THD reduction, overload resilience, and full customization for global grids, surpassing standards. With certifications like UL and CE, plus sustainable VPI processes, we ensure 25% lower lifecycle costs and enhanced power quality for discerning users.
Expanded FAQ Section
How are TiraThai transformers shipped internationally? Shipped via sea, rail, or truck for global delivery. Main body in bulk packaging for stability, accessories in wooden cases to endure transit stresses.
Can TiraThai products be customized? Yes, tailored for voltage, frequency, pulse configuration, and regional needs through Jinguan Electric's engineering team.
What warranty do you provide? At least two years comprehensive coverage for defects, performance, and materials, with extensions available.
Is Factory Acceptance Testing (FAT) supported? Standard: Full electrical, thermal, and harmonic tests per unit, with client witnessing in-person or remotely.
Do you provide after-sales engineering support? Yes, Jinguan Electric assigns engineers for installation guidance, troubleshooting, and ongoing inquiries.
Why 12-pulse over 6-pulse? Eliminates dominant 5th/7th harmonics, reducing THD <5% for cleaner power and longer equipment life.
Are they overload-capable? Yes, AF mode boosts capacity 50% for intermittent/emergency use, though not for prolonged overloads.
Certifications and Quality Assurance
TiraThai products, supplied through Jinguan Electric, undergo national type testing: UL, CUL, CCC, CQC, CTQC, CE, SGS, and mandatory approvals. Certified to ISO9001 (quality), ISO14001 (environment), and ISO45001 (health & safety), ensuring GB/T 10228, IEC 60076, and IEEE compliance for global excellence.
Contact Us Today
Mitigate harmonics with TiraThai's 12-Pulse Dry-Type Transformers. For quotes or consultations:
- WhatsApp: +8613037600603
- Email: [email protected] or [email protected]
Our team responds within 24 hours.
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