Compact Design Transformer with Voltage Regulator for Efficient Power Distribution

• 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: Experience unparalleled efficiency and reliability with our state-of-the-art dry type transformer, expertly engineered to meet the highest industry standards. This cutting-edge solution is perfect for those seeking exceptional performance and longevity in their power distribution systems.

SPECIFICATION: Delve into the meticulous details of our product's specification, crafted to ensure optimal performance and versatility. Each feature has been thoughtfully designed to cater to your unique power distribution needs, making our Compact Design Transformer with Voltage Regulator the quintessential choice for your operations.

1. Product Description

Introducing the SCB Epoxy Resin Dry Type Transformer series, epitomizing safety, reliability, energy efficiency, and maintenance ease. Expertly designed for economical and secure applications, this transformer series boasts an impressive versatility to suit a variety of environments.
Boasting an innovative design, rigorous manufacturing standards, and impeccable testing processes, these transformers are crafted with 99.9% oxygen-free copper conductor, epoxy mesh cloth, and resin for the HV winding. The LV winding utilizes 99.9% oxygen-free copper foil, while the iron core is composed of premium-grade, high-permeability cold-rolled silicon steel sheet with a special binding technique. As a result, the product exhibits exceptional mechanical and electrical strength, along with outstanding heat dissipation capabilities, minimal local discharge, remarkable reliability, and an extended operational life, resistant to moisture absorption, flame retardant, explosion-proof, eco-friendly, minimal loss, lightweight, equipped with automatic temperature control, space-efficient, cost-effective maintenance, and energy-saving features, seamlessly integrates into the load center.Ideal for urban development, skyscrapers, commercial hubs, residential complexes, entertainment venues, healthcare facilities, tourism infrastructure, airports, seaports, railway terminals, subway systems, highway tunnels, civil defense installations, petrochemical corporations, electric utilities, the food sector, wastewater treatment, offshore drilling rigs, mining operations, and countless other locations.




2. Environmental Usage and Operating Conditions
2.1 Maximum installation site elevation: 1000m, ambient temperature shallnot exceed 40°C (design adaptations are available for higher temperatures).
2.2 Operating environment: relative humidity of 100%, temperature range +40ºC to -25ºC (-25ºC requires on-load switch and temperature controller specifications).
2.3 Optimized for indoor installations, the site must be clean, free of electric dust, corrosive gases, and well-ventilated. In areas with inadequate airflow, such as basements, forced ventilation should be implemented. Ensure approximately 3-4m3/min of ventilation foreach 1kW loss (combining no-load and load losses).
2.4 Installation should maintain a minimum 800mm distance from walls and obstructions, with at least 300mm between transformers. Adjust these clearances if space is limited by distribution boxes and other constraints.
2.5 Generally, the transformer can be directly placed and operational post-inspection. For sites needing shock-resistance or specific requirements, secure the transformer with bolts at its foundation, utilizing bolts and nuts for stabilization.

3. Key Specifications and Technical Parameters
3.1 Rated Frequency:50Hz
3.2 Cooling Method: AN or customizable to user preferences.
3.3 Shell Protection Level: IP20 or as specified by the user.
3.4 Connection Group Label: DynIl or as per user requirements.
3.5 Transformer Phase Sequence: Looking from the high-voltage side from left to right, the sequence is ABC for high voltage and abc for low voltage.
3.6 Winding Insulation Class: F class.
3.7 Insulation Level:
Experience superior reliability with our Compact Design Transformer with Voltage Regulator. Our 10kv product boasts a power frequency withstand voltage of 35kv and an impressive impact withstand voltage of 75kv. For the 20kv product, enjoy robust protection with a power frequency withstand voltage of 55kv and a remarkable impact withstand voltage of 125kv. Elevate your operations with the 35kv product, offering a power frequency withstand voltage of 70kv and an extraordinary impact withstand voltage of 170kv.
3.8 Temperature Rise Limit:
With an insulation system temperature rated at an impressive 155°C, our transformers guarantee optimal performance and safety. The maximum temperature rise is strictly controlled at 100K, ensuring efficiency and dependability in every operation.









4.

Product Parameters

SCB
Voltage class kv
Capacity KVA
Performance level code
The low-voltage coil is expertly crafted with copper foil wound epoxy resin casting, ensuring superior performance and durability.
Three-phase


5. Product System Description
5.1 Advanced Temperature Display & Control System
Tailored to user specifications, this product can incorporate a sophisticated temperature display and control system, featuring capabilities such as: (1) Issuing overload alarm signals and automatically displaying temperature levels.
(2) Activating or deactivating the fan when the coil's internal temperature surpasses the preset limits on the signal thermometer, enabling power supply disconnection, and transformer shutdown for safety.
5.2 State-of-the-Art Cooling System
The cooling method employed is air natural cooling (AN), ensuring the output capacity achieves a full 100%; additionally, forced air circulation cooling (AF) allows for a prolonged 25% overload and a brief 50% overload, optimizing performance under demanding conditions.
5.3 Protection Level
This product typically features a protection level of IPO0, indicating the transformer is without a shell and thus recommended for indoor applications; it comes with the option to include a protective shell,if required by the user, providing either IP20 or IP23 protection. Note: Higher transformer protection levels may necessitate reduced operating capacity.
Note: The IP20 housing is designed to prevent ingress of solid particles larger than 12mm, offering essential protection for live components. Building on IP20, the IP23 enclosure further safeguards against water droplets at angles up to 60° from the vertical.


6. Product Packaging and Transportation
6.1 Products are categorized into two types: open (without protective cover) and protected (with protective shell), typically transported via rail, sea, or road. Where necessary, components may be partially disassembled for transport (such as on-load tap changers, temperature controllers, air cooling devices, protective covers, etc., which require separate packaging) or the entire product may be boxed for shipment. Products can be lifted and moved using cranes, winches, or other suitable machinery.
6.2 To safeguard products during transit, they must be covered with waterproof materials to prevent rain damage.
6.3 When hoisting packaged products, ropes should secure the bottom corner sleepers of the boxes. Products can be elevated 100mm-150mm off the ground with specialized lifting equipment before being fully hoisted, ensuring no irregularities are present.
6.4 During transport, the incline of the route should not exceed 15° to maintain even weight distribution. The product's center of gravity should align vertically with the vehicle's central line during loading. Securely fasten the product to the transport vehicle to prevent shifting or tilting en route. The product's long axis should align with the direction of travel.
6.5 When loading and unloading vehicles without cranes, it is imperative to adhere to comprehensive safety technical requirements. Verify that the lifting capacity aligns seamlessly with the transportation weight of the product to ensure a smooth and secure handling process.
6.6 For optimal product transportation, it is advisable to remove the rollers from the bottom of the car to enhance stability. Upon reaching the destination, these rollers should be reset before the installation process. For products equipped with a trolley, the roller axle can be ingeniously altered to a 90° direction to facilitate effortless horizontal or vertical movement.
6.7 Upon arrival at the destination, it is crucial to minimize the parking time in the transportation state, especially when exposed to the open air. Prioritize parking in covered, dry, and well-ventilated areas to protect the product. Additionally, take necessary measures to shield the product from mechanical damage and contamination.


7. Inspection and acceptance
7.1 Upon receiving the product, the user should promptly proceed to open the shell for a thorough inspection and acceptance. It is essential to meticulously verify if all items listed in the packing list are present, assess any potential damage sustained during transportation, check for any displacements or impairments of product parts, examine the tightness of fasteners, inspect the insulation, and ensure the cleanliness of the coil surface.
7.2 Rigorously ensure that the data on the product nameplate matches the user's locked specifications, including product specifications, capacity, voltage level, connection group label, and short-circuit impedance.
7.3 Confirm that all delivery technical documents are complete and intact.
7.4 If the product is not immediately operational after unpacking, it should be carefully repackaged and securely stored indoors to prevent any potential damage or theft.
7.5 During transformer acceptance, it is essential to collaborate with the transportation department to sign the corresponding handover document. This document should accurately reflect any issues identified during the inspection process.

8. Appearance inspection before installation
8.1 Upon opening the packing case, carefully remove any protective devices and conduct a meticulous inspection of the external condition. Pay particular attention to the mechanical integrity of the coil and core, the compression level of these components, and the bolt tightness outside the connection. outside the connection.
8.2 Following the inspection, it is crucial to retighten all fasteners and coil and iron core pressing parts in succession to eliminate any potential loosening.
8.3 Adhere to the factory technical conditions and comprehensive assembly instructions during the disassembly and reinstallation of the transformer body.
8.4 Utilize dry compressed air or clean rags to meticulously clean any dust or dirt from the product.
8.5 If the storage duration has led to water beads or significant condensation on the transformer's surface, undertake a drying treatment until the coil insulation resistance meets the quality standards.

9. Inspection and test before operation
9.1 Measure the DC resistance of both high and low voltage windings, ensuring the data correlates precisely with the factory test certificate.
9.2 Assess the iron core grounding, typically located at either the lower or upper iron yoke end. Verify the reliability of the grounding, check for any other body lap or multiple grounding instances.
9.3 Conduct rigorous testing of the insulation resistance
(Voltage level) 10kv 20kv 35kv
between HV coil and LV coil ≥500 MΩ Insulation Resistance: ≥ 800 MΩ, ensuring robust electrical isolation and safety. Insulation Resistance: ≥ 1000 MΩ, guaranteeing exceptional dielectric strength for reliable operation.
HV Coil to Ground: Ensuring safe and efficient energy transmission with minimal loss. Insulation Resistance: ≥500 MΩ, providing solid protection against electrical faults. Insulation Resistance: ≥800 MΩ, offering reliable performance under various conditions. Insulation Resistance: ≥1000 MΩ, for superior protection against potential electrical breakdowns.
LV to Ground: Facilitating secure grounding to enhance safety and stability. Insulation Resistance: ≥50MΩ, ensuring excellent isolation and reduced risk of electrical hazards. Insulation Resistance: ≥50MΩ, contributing to effective electrical separation and durability. Insulation Resistance: ≥50MΩ, providing dependable safety in power applications.
Core to Ground: Vital connection for maintaining system integrity and safety. GroundConnection: Essential for reliable grounding and safety assurance. Insulation Resistance: ≥5MΩ, ensuring fundamental protection in electrical circuits. Insulation Resistance: ≥5MΩ, critical for basic safety and operational reliability. Insulation Resistance: ≥5MΩ, necessary for foundational electrical safety and performance.
9.4 During the external construction frequency voltage resistance tests, it is crucial to pay careful attention to removingthe temperature control probe wire from the coil. This prevents internal component damage and ensures thermostat integrity.
9.5 Verify that the protection system is functioning normally, ensuring system safety and reliability.
9.6 Ensure the transformer is installed at least 800mm from walls and other heat-dissipating obstructions. Once installed, connect the ground bolt to the general ground loop for secure grounding.

10Operation Network Procedures
10.1 With qualified grounding of protection devices and monitoring systems, initially run the transformer under no-load conditions. After three shock closings, inspect and adjust the protection system for optimal performance.
10.2 Post-delivery, align the voltage regulation tap on the HV side to the rated position. During operation, adjust voltage as needed using the tapping connections indicated on the product nameplate, ensuring to cut off power supply during adjustments. HV Voltage Adjustment: Ensure precise operation with indicated tapping connections under safe conditions.
10.3 Employing the BWDK series temperature controller, strategically positioned at the low-voltage coil, it provides automatic detection and display of three-phase working temperatures. When the set temperature is reached, it intelligently manages fan operations and alerts, offering customizable settings as per the thermostat manual.

11. Maintenance
Regularly disconnect the dry transformer for essential checks and maintenance to ensure longevity and performance.
11.1 Inspect for damage, deformation, or overheating in coils, iron cores, and connections. Address any anomalies to maintain optimal operation.
11.2 Remove dust from all reachable parts with a dry cloth, avoiding volatile cleaners. Use compressed air for hard-to-reach areas within the iron core.
11.3 Clean the fan to prevent dust accumulation, inspect fan blades for damage, and check fan bearing grease, replenishing when necessary.
11.4 Before recommissioning, meticulously check for and remove any foreign objects from coils and insulation parts to prevent operational disruptions.


12. Security matters
12.1 For optimal performance, the power supply to the temperature controller and fan should be routed through the switch panel rather than being directly linked to the transformer. 12.2 Prior to deploying the transformer, it is crucial to meticulously inspect the grounding system within the transformer room to ensure it meets all safety standards.
12.3 Always keep the door of the transformer enclosure securely closed to safeguard against electrical hazards, ensuring the utmost safety in electricity use.
12.4 Implement preventive measures in the transformer room to deter small animals from entering, thereby minimizing the risk of accidental disruptions.
12.5 Personnel entering the transformer room must don insulating footwear, remain vigilant about maintaining a safe distance from live components, and avoid any direct contact with the transformer to ensure personal safety.
12.6 A noticeable rise in transformer noise should prompt immediate attention to the transformer’s load and power grid voltage. It is imperative to monitor the temperature variations closely and consult with the appropriate personnel promptly to avert potential issues.
12.7 A comprehensive inspection of the transformer should be conducted every 3-5 years. During this period, some preventive tests may also be undertaken to ensure continued operational efficiency and safety.
12.8 The installation, testing, operational management, and maintenance of transformers are tasks that must be handled by professionals with the requisite qualifications to guarantee the highest standards of safety and functionality.

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.