Advanced Transformer with Voltage Regulator for Enhanced Power Efficiency

• Customization: Available
• Application: Power, Electronic, Instrument, Lighting
• Phase: Three
• Model NO.: S11
• Cooling Method: Dry-type Transformer
• Winding Type: Separated Winding Transformer
• Certification: ISO9001-2000, ISO9001, CCC
• Usage: Single-phase Transformer, Rectifier Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: OD
• OEM: Avaliable
• Transport Package: Export Wooden Case Packing
• Specification: 2400*800*1900
• Trademark: GANGKONG
• Origin: China
• HS Code: 8504210000
• Production Capacity: 35000pieces/Years

Product Description

DRY TYPE TRANSFORMER: Discover the unparalleled performance and reliability of our Dry Type Transformer, a perfect blending of cutting-edge technology and superior craftsmanship. Engineered to elevate power distribution with maximum efficiency, this transformer promises seamless operation and security, ideal for a multitude of applications.

SPECIFICATION: Delve into the meticulously detailed specifications of our Advanced Transformer with Voltage Regulator, designed by Zhejiang Gangkong Electric Co., Ltd. to provide optimized power efficiency. Every feature has been crafted to ensure exceptional performance, long-lasting durability, and user-friendly operation, setting a new benchmark in power transformation solutions.

1. Product Description

Introducing the SCB series of epoxy resin dry type transformers, a pinnacle of innovation in electrical transformation. These transformers boast unparalleled safety, reliability, energy efficiency, and hassle-free maintenance. From an economic and security perspective, these transformers are a game-changer. Engineered for versatility, this series of transformers is suitable for a multitude of environments, ensuring optimal performance.
Crafted with precision, the product features state-of-the-art design, stringent processes, and impeccable testing. The HV winding employs 99.9% pure oxygen-free copper conductor, combined with epoxy network cloth and resin, while the LV winding utilizes 99.9% pure oxygen-free copper foil. High-quality cold-rolled silicon steel sheets form the iron core, bonded with a special technique, granting the transformer exceptional mechanical and electrical strength, alongside superior heat dissipation. It minimizes local discharge, guaranteeing high reliability and an extended operational lifespan, while resisting moisture absorption, being flame retardant and explosion-proof, environmentally friendly, low-loss, lightweight, equipped with automatic temperature control, and saving installation space and maintenance costs. It is a model of energy-saving efficiency, capable of penetrating into the heart of the load center.Ideal for urban infrastructure, high-rises, commercial hubs, residential complexes, entertainment venues, sports centers, hospitals, tourist attractions, airports, ports, train stations, subway systems, highway tunnels, civil defense setups, petrochemical plants, electrical companies, food processing, wastewater treatment, offshore oil platforms, mines, and more.




2. The Utilization of Environmental and Operating Conditions
2.1 The installation site's elevation must not exceed 1000 meters, with an ambient temperature limit of40°C. If exceeding these specifications, specialized designs are available.
2.2 Operational environment demands a relative humidity of 100%, functioning within temperatures from +40ºC to -25ºC (with an on-load switch and temperature control for -25°C).
2.3 Primarily for indoor use, the installation area should remain free from electric dust and corrosive gases, well-ventilated. In basements or poorly ventilated areas, forced ventilation is necessary, with a requirement of 3-4m³/min ventilation per1kW loss (no-load and load losses combined).
2.4 Installation should maintain an 800mm distance from walls and obstacles,ensuring 300mm clearance between adjacent transformers. Adjustments are possible when space is constrained.
2.5 Generally, transformers can be positioned directly at the use site, ready for operation post-installation and inspection. For shock-proof or special conditions, secure the transformer with bolts and nuts.

3. Main Specifications and Technical Parameters
3.1 Rated Frequency:50Hz.
3.2 Cooling Method: AN, or as designated by user specifications.
3.3 Enclosure Protection Level: IP20, customizable per user requirements.
3.4 Connection Group Label: DynIl, adaptable to user demands.
3.5 Transformer Phase Sequence: Facing the high voltage side, the sequence is ABC for high voltage and abc for low voltage.
3.6 Winding Insulation Class: F class.
3.7 Insulation Level:
Our premier range includes the 10kv product with an impressive power frequency withstand voltage of 35kv and an impact withstand voltage reaching 75kv. For those in need of more, the 20kv model boasts a power frequency withstand voltage of 55kv, with impact capabilities of up to 125kv. For top-tier requirements, our 35kv product delivers a robust power frequency withstand voltage of 70kv and an unparalleled impact withstand voltage of 170kv.
3.8 Temperature Rise Limit:
Our insulation system is meticulously engineered to withstand an elevated temperature environment, withstanding up to 155°C. The system ensures a maximum temperature rise limited to an impressive 100k.









4.

Product Parameters

SCB
Voltage Class (kV)
Capacity (KVA)
Performance Level Code
The low-voltage coil boasts a robust copper foil construction with epoxy resin encapsulation, ensuring premium quality and reliability.
Three-phase


5. Product System Description
5.1 State-of-the-Art Temperature Display and Control System
Tailored to the user's specifications, this product is equipped with an advanced temperature display and control system, designed to efficiently perform the following functions: (1) Automatically display the current temperature and send an overload alarm signal for proactive safety management.
(2) In the event that the internal coil temperature surpasses the pre-set threshold, the system activates or deactivates the fan, disconnects the power supply, and safely cuts off the transformer.
5.2 Superior Cooling System
This product employs an efficient cooling method that is air natural cooling (AN), allowing the output capacity to reach 100%; with the option for forced air circulation cooling (AF), enabling a long-term overload capacity of 25% and a short-term overload capacity of 50%.
5.3 Enhanced Protection Level
This product's standard protection level is IPO0, suitable for indoor use without a shell, providing essential safety. However, if required,the product can be outfitted with a shell,andachieve IP20 or IP23 protection levels (note: higher protection levels may require transformer capacity adjustments).
Note: The IP20 housing prevents intrusion by solid objects larger than 12mm, ensuring a protective barrier for live components. Additionally, the IP23 shell offers added protection against water drops falling at a 60° angle.


6. Expert Product Packaging and Transportation
6.1 Our products are available in two formats: open type (without protective cover) and protected type (with protective shell). They are primarily transported via railway, waterway, or highway, with the option for partial disassembly transportation (such as on-load tap changer, temperature controller, air cooling device, and protective cover, which require separate packaging) or comprehensive packing in a box. Cranes, winches, or other suitable transport machinery ensure safe lifting and unloading.
6.2 When transporting the product, it is crucial to cover it with a waterproof cloth to shield it from rain.
6.3 During lifting processes, where the product is in a packed box, ropes should be secured to the sleepers at the bottom corners. The packaged items must be lifted 100mm-150mm off the ground using specialized lifting equipment, ensuring stability before full elevation.
6.4 To maintain load balance during transportation, the slope of the transit route should not exceed 15°. The product's center of gravity must align with the vehicle's vertical center line during loading. Secure the product firmly to the transport vehicle to prevent any movement or toppling.
6.5 When loading and unloading vehicles without cranes, it is imperative to adhere to stringent safety technical requirements. Ensure that the lifting capacity is precisely evaluated to confirm its alignment with the transportation weight of this Advanced Transformer with Voltage Regulator for Enhanced Power Efficiency.
6.6 For optimal transportation stability of the product, users need to remove the rollers from the base of the car during transit and reset them before installation. For products equipped with a trolley, the roller axles at both ends of the frame can be skillfully adjusted to a 90° angle, allowing the product to glide effortlessly in horizontal or vertical directions.
6.7 Upon arrival at the destination, minimize the parked duration in the transportation state, particularly when outdoors. Prioritize parking in a covered, dry, and ventilated space before installation. Simultaneously, employ protective measures to shield the product from mechanical damage and contamination.


7. Inspection and acceptance
7.1 Upon receiving the product, the user should promptly open the shell to conduct a thorough inspection and acceptance. Verify the completeness of items listed in the packing inventory, assess for any transport-induced damage to the transformer, check for displaced or damaged parts, and examine if fasteners are secure, insulation is intact, and the coil surface remains pristine.
7.2 Scrutinize whether the product nameplate data aligns seamlessly with the user-specified product specifications, such as capacity, voltage level, connection group label, and short-circuit impedance.
7.3 Ensure that the delivery technical documents are comprehensive and intact.
7.4 Should the product not be immediately operational post-unpacking, it is vital to repackage it securely and store it in a protected indoor location to prevent potential damage and theft.
7.5 During transformer acceptance, collaborate with the transportation department to sign the pertinent handover documents. These documents should explicitly reflect any inspection findings.

8. Appearance inspection before installation
8.1 Upon unpacking, remove any protective devices present and meticulously assess the external condition. Pay special attention to the mechanical integrity and compression of the coil and core, along with the tightness of the bolts on the outside connections.
8.2 Post-inspection, methodically tighten all fasteners, ensuring the pressing parts of the coil and iron core are secure. Any sign of looseness is unacceptable.
8.3 Follow the factory's technical conditions and relevant complete assembly instructions for precise disassembly and reinstallation of the transformer body.
8.4 Use dry compressed air or clean rags to meticulously cleanse the product of any dust and dirt.
8.5 If the transformer has been stored for an extended period, resulting in water beads or significant condensation, undertake drying procedures until the coil insulation resistance meets the required standards.

9. Inspection and test before operation
9.1 Accurately measure the DC resistance of both the high and low voltage windings, ensuring the data matches the factory test certificate.
9.2 Verify the grounding of the iron core, with the ground lug generally positioned at the lower or upper iron yoke's end. Confirm reliable grounding, absence of other body laps, and ensure there is no multiple grounding.
9.3 Conduct insulation resistance tests
(Voltage level) 10kv 20kv 35kv
between HV coil and LV coil, safeguarding optimal performance and reliability. Achieve electrical continuity with a remarkable insulation resistance of ≥500 MΩ, ensuring impeccable safety. Experience heightened reliability with an impressive insulation resistance of ≥ 800 MΩ, crafted for superior performance. Benefit from exceptional safety standards with an outstanding insulation resistance of ≥ 1000 MΩ, engineered for excellence.
HV coil to Ground: A sophisticated design ensuring robust performance and dependable power delivery. Maintain superior safety protocols with a steadfast insulation resistance of ≥500 MΩ, designed for reliable operation. Elevate your safety and performance with a formidable insulation resistance of ≥800 MΩ, tailored for peak efficiency. Achieve unparalleled operational safety with an extraordinary insulation resistance of ≥1000 MΩ, crafted for ultimate performance.
LV to Ground: Advanced engineering to provide seamless power efficiency and safety. Ensure long-lasting durability with an impressive insulation resistance of ≥50MΩ, designed for consistent reliability. Experience sustained reliability with a resilient insulation resistance of ≥50MΩ, engineered for optimal performance. Enjoy continued safety and reliability with a durable insulation resistance of ≥50MΩ, crafted for dependable operation.
Core to Ground: Innovatively engineered for unmatched reliability and efficiency. Ground Ensure steadfast performance with a reliable insulation resistance of ≥5MΩ, designed for continuous safety. Maintain consistent reliability with a dependable insulation resistance of ≥5MΩ, crafted for prolonged efficiency. Achieve consistent operational safety with a reliable insulation resistance of ≥5MΩ, engineered for enduring performance.
9.4 When performing external construction frequency voltage resistance, it is crucial to pay careful attention to precisely remove the temperature control probe wire from the coil to prevent the breakdown of the internal thermostat components, ensuring longevity and reliability.
9.5 Conduct thorough checks to ensure that the protection system is fully operational and functioning as expected.
9.6 Position the transformer at a minimum of 800mm from walls or objects that may hinder heat dissipation. Once installed, secure the ground bolt to a general ground loop for assured grounding.

10, Network operation
10.1 Upon grounding and qualifying the attached protection and monitoring systems, initiate no-load transformer operation. Proceed with three shock closings, followed by a meticulous check and adjustment of the protection system.
10.2 Post-delivery, connect the voltage regulation tap position of the HV side according to the rated position. For voltage adjustments during operation, follow the tapping voltage shown on the product nameplate. Ensure voltage adjustments are made only when the transformer power supply is switched off, maintaining optimal safety.
10.3 Employing the BWDK series temperature controller, the transformer features temperature measuring elements at the low-voltage coil's upper end. These components automatically detect, display, and regulate the respective working temperatures of the three-phase coil. When coil temperature reaches the set point, the system autonomously manages fan operation, alarms, trips, and allows user adjustment per the thermostat manual.

11. Maintenance
Conduct necessary checks and maintenance after the transformer runs for a certain period, ensuring peak performance and longevity.
11.1 Examine the coil, iron core, wire sealing, tap-connecting terminals, and fasteners for any signs of damage, deformation, loosening, discoloration, overheating, or corrosion. Address any abnormalities promptly to prevent operational damage and enhance durability.
11.2 Dust off the transformer thoroughly. Use a dry cloth for all accessible parts, steering clear of volatile cleaners. Utilize compressed air to cleanse areas within the iron core coil that are hard to reach.
11.3 For transformers equipped with fans, ensure to remove dust and soil accumulation within the fan while avoiding fan blade deformation. Check the fan bearing grease and replenish or replace it as necessary, safeguarding the fan's optimal functionality.
11.4 Upon completion of inspection and maintenance, a thorough and meticulous examination is imperative before reintegrating the transformer into the power system. Ensure that no metallic or non-metallic debris or foreign objects have inadvertently been left within the coil, iron core, or insulation components. This diligence ensures optimal performance and longevity of the equipment.


12. Security matters
12.1 To ensure seamless operation, the power supply for the temperature controller and accompanying fan should be routed through the switch panel. Avoid direct connections to the transformer. 12.2 Prior to activating the transformer, give paramount attention to verifying the comprehensive grounding system of the transformer room.
12.3 For the utmost safety in electricity use, ensure that the door of the transformer's enclosure is securely closed.
12.4 Implement protective measures in the transformer room to prevent the intrusion of small animals, thereby avoiding potential mishaps or disruptions.
12.5 Personnel entering the transformer room must don insulating footwear and maintain a safe distance from live components. Avoid any contact with the transformer to ensure personal safety.
12.6 If an unusual increase in transformer noise is detected, immediately assess the transformer's load and the power grid voltage. Vigilantly monitor any temperature fluctuations and promptly consult with authorized personnel for guidance.
12.7 Conduct a comprehensive transformer inspection every 3 to 5 years, incorporating preventive tests as part of the routine to ensure ongoing reliability and safety.
12.8 The installation, testing, operation, and maintenance of transformers are specialized tasks that must be executed by certified professionals with the requisite expertise.

Certifications

FAQ

Are you the manufacturer or trader?

GANG KONG is a leading & professional manufacturer located in Zhejiangprovince of China.

What is your main markets?

Our main market is in home & a half in South-East Asia, Middle East,West-AfricaEast-European countries & Some South America..etc

What is your delivery & after-sales serive?

The delivery is according to order gty, normally for containers order we need 1month. Per each month 20 containers (20'ft or 40'ft)are no problem for us . Wecan answer user's question and solve their problem in 24 hrs per each day andgive full technical support in time to all of our products.

Do you accept OEM and ODM?

Yes. Our R & D team owns latest technology ,can develop & produce products ascustomers' drawing & under their brand

What is your payment terms?

a. 30% T/T in advance as deposit ,balanced against the shipping documents

b. irrevocable L/C at sight for order which amount is over 100 thousand USD

C. for old business partner,we can negociate together for other special terms

If i want to visit you ,how to do ?

Our company is located in Yueqing city of Zhejiang province China,which is about40 minutes by car to Wenzhou air port & 30 minutes from Yueqing train station.About 1 hrs by air from Shanghai international airport and 1 hrs from Ningbo bytrain. lf you need invitation letter before come to China,we can give it to you.