10kVA Completely Self-protected(CSP) Single Phase Pole Mounted Transformer
NPC ELECTRIC the production of 10 kVA Completely Self-Protected (CSP) single-phase overhead transformers, meticulously engineered to meet international standards such as IEEE C57.12.00, IEEE C57.12.20, DOE-2016 Efficiency, CSA C2.1, and CSA C2.2. The 10kVA fully self-protected (CSP) single-phase pole-mounted transformer is an efficient and reliable power equipment designed for small and medium-sized power needs. The transformer adopts advanced fully self-protection technology and has built-in overload, short-circuit and overvoltage protection functions to ensure that the transformer can automatically cut off power under abnormal conditions, avoid equipment damage and improve system safety. It has a simple design, is easy to install, saves space, and is suitable for all types of power distribution systems.
This transformer is suitable for residential, commercial areas and small industrial places, providing stable single-phase power output. The pole-mounted design is simple and space-saving, and is particularly suitable for urban and rural power distribution networks. Its high-quality manufacturing materials and efficient electrical performance ensure long-term stable operation, which can effectively reduce energy loss and improve the efficiency of power supply.
- Primary Voltage Ratings 2.4-34.5kV
- Secondary Voltage Ratings 480-240/240-120 or customized
- H.V. Tap Range ± 2×2.5% HV taps or others
- Type Completely self-protected(CSP) Type
- BIL 30-150kV
- Standards IEEE, ANSI, NEMA, ASTM
- Application Ultility & distributionetc
- Power Rating 10kVA
- Certificate UL ,CESI ,DNV or SGS
- Cooling Method ONAN
- Oil Minerial Oil or FR3
- Opeartion Step Down
Technical Specifications
Customization Optional
Packing and Shipping
Manufacturer Test
Routine Testing
Application
Technical Specifications
10kVA Completely Self-protected(CSP) Single Phase Pole Mounted Transformer
Technical Specifications
Accessories
| Rated Power | 10 kVA |
| Rating Primary Voltage | 12.4-34.5kV |
| Secondary Voltage | 480-240V 240-120V 277V Customized |
| Frequency | 50/60Hz |
| Vector Group | Ii0,Ii6 |
| Winding Material | Aluminum/Copper |
| Efficiency | As IEEE,Doe 2016,CAS Std or Customized |
| Impedance Voltage | Nominal 2% or Customized 1.1-5.75% |
| Altitude | ≤1,000m or Customized |
| Color | ANSI 70 Light gray/Munsell 7GY3.29/1.5 or customized etc |
| Tank material | Mild Steel, 304 Stainless Steel |
| Insulating Oil Weight | 70 kg |
| Total Weight | 240kg |
| Outline Dimensions（L×W×H）in. | 17×20×42 |
| Lifting Lug |
| Tap Changer |
| Pressure Relief Valve |
| Tank Cover and clamp |
| L.V Bushing |
| HV Bushing |
| Ground Strap |
| Nameplate |
| Non-PCB decal |
| High Voltage Warning Signs |
| Support lug |
| Oil fill valve |
| Surge arrester |
| Secondary breaker |
| Weak link |
Customization Optional
10kVA Completely Self-protected(CSP) Single Phase Pole Mounted Transformer
NPC ELECTRIC's Completely Self-Protected (CSP) Single-Phase Pole-Mounted Transformers offer a range of customizable features to meet diverse operational needs. These transformers support multiple tap configurations, including two 2.5% taps above and below nominal voltage, four 2.5% taps below nominal, NEMA® standard taps, or custom-designed options. For user convenience and safety, externally operable tap changer switches enable voltage adjustments without opening the transformer.
To accommodate various system voltages, NPC ELECTRIC provides dual voltage primary windings with externally operable multiple voltage switches, ensuring safe and efficient selection. In corrosive environments, durable options include 304 or 409 stainless steel for hardware and transformer tanks, enhancing longevity. Birdguards can be installed to prevent avian interference, improving reliability.
For environmentally conscious solutions, CSP transformers can be filled with Envirotemp™ FR3™ fluid, a biodegradable, less flammable alternative to conventional insulating oils. The transformer covers feature a minimum dielectric strength of 15 kV, ensuring superior insulation and protection. Porcelain low-voltage bushings further enhance electrical connection reliability.
Designed to comply with various international standards, NPC ELECTRIC CSP transformers meet global operational requirements. Additional customizable features include drain/sampling valves for fluid testing, pressure vacuum gauges for internal pressure monitoring, filter press connections for oil purification, temperature gauges for operational oversight, and liquid level gauges to maintain optimal fluid levels.
Engineered to exceed DOE efficiency standards, these transformers promote energy savings and reduced operational costs. By integrating advanced protection, efficiency, and durability features, NPC ELECTRIC ensures that each CSP Single-Phase Pole-Mounted Transformer is tailored to specific application demands.
Packing and Shipping
10kVA Completely Self-protected(CSP) Single Phase Pole Mounted Transformer
NPC ELECTRIC transformers are designed to be securely packaged for sea freight transport, ensuring safe delivery across long distances. For this purpose, we offer wooden crate packaging that meets international shipping standards, protecting the transformer from potential damage during transit.
The sea freight wooden crates are made from high-quality, durable wood, treated to prevent moisture damage, corrosion, and pests. The crate is also reinforced to withstand the rigors of sea transport, offering superior protection from shocks and vibrations.
To enhance safety and security, the transformer is securely mounted inside the crate with anti-shift supports. This prevents any movement during transit, reducing the risk of mechanical damage. Additionally, the crate is equipped with strong, secure fastening systems to keep the transformer in place.
We ensure that all wooden crates are fully compliant with international shipping regulations, including ISPM 15 standards, to prevent any issues with customs and quarantine procedures. This makes our packaging solution both reliable and cost-effective for global shipments.
In addition to robust packaging, we provide comprehensive shipping insurance for every transformer. This insurance covers potential risks during transit, such as damage, theft, or natural disasters. By offering this coverage, we ensure peace of mind for our clients, knowing their valuable equipment is protected throughout its journey.
Whether shipping to overseas projects or international clients, our wooden crate packaging, coupled with shipping insurance, guarantees that your transformer arrives in perfect condition, ready for installation. With careful design and attention to detail, we prioritize the safety, security, and integrity of your equipment throughout the shipping process.
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32 years of industry experience
Manufacturer Test
10kVA Completely Self-protected(CSP) Single Phase Pole Mounted Transformer
Progress Test
NPC Electirc manufacture pad mounted transformer have the strict quality control from the raw material stage, including testing the performance of silicon steel sheets, amorphous alloy silicon steel sheets, copper coils, and aluminum coils,oil dielectric tests on insulating oil, and measuring the enclosure size and thickness of the transformer tank. Through comprehensive quality control throughout the production process, we ensure that each transformer meets high-quality standards and complies with IEEE, IEC, and ANSI international regulations.
Design Tests
All transformer will be test after finished the production, test items as below:
♦ Insulation Power Factor
♦ Ratio, Polarity, and Phase Relation
♦ Winding Resistance
♦ Impulse Tests
♦ On load Loss Test
♦ No Load Loss Test
♦ Leak Test
♦ DC Insulation Resistance Test
♦ Transformer Turns Ratio/TTR (All Tap Voltages)
♦ Impedance Voltage & Load Loss (Rated Voltage)
♦ Polarity, 1-Ph / Phase Relation, 3-Ph (Rated Voltage)
♦ Excitation & No-Load Loss (Rated Voltage)
♦ Applied Voltage
♦ Induced Voltage
♦ Lightning Impulse
♦ Insulation Resistance (Rated Voltage)
♦ Temperature Rise
♦ Dielectric Withstand (Hipot)
Transformer Factory Acceptance Test
NPC Electric will tests made for quality control by the manufacturer on every device or representative samples, or on parts or materials as required, to verify during production that the product meets the design specifications.
The Transformer Factory Acceptance Test (FAT) for the 10kVA Completely Self-Protected (CSP) Single Phase Pole Mounted Transformer is a critical step to verify that the transformer meets all design and performance specifications before shipment.
During the FAT, the transformer undergoes a series of tests, including checks for input and output voltage, load performance, and the proper functioning of built-in protection mechanisms such as overcurrent, short-circuit, and overload protection.
Additionally, insulation resistance and dielectric strength tests are performed to ensure the transformer's electrical safety and reliability. The self-protection system is also tested to confirm it operates effectively in fault conditions, automatically disconnecting the transformer to prevent damage.
Successful completion of the FAT ensures that the transformer is fully compliant with quality standards and ready for safe and efficient operation in the field.
Routine Test - Insulation Power Factor
Insulation Power Factor
Ratio, Polarity, and Phase Relation
Winding Resistance
Impulse Tests
On load Loss Test
No Load Loss Test
Test Standard As Below
IEEE C57.12.00 & IEEE C57.12.90 (Liquid-Immersed)
IEEE C57.12.01 & IEEE C57.12.91 (Dry-Type)
IEEE C57.12.01 & IEEE C57.12.91 (Dry-Type)
*These comprehensive tests ensure that each transformer meets performance standards and operates
reliably under various conditions.
Application
Ultility & distributionetc
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
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5kVA Completely self-protected(CSP) Single Phase Pole Mounted Transformer
NPC ELECTRIC the production of the 5kVA Completely self-protected(CSP) Single Phase pole Mounted transformer is designed for reliable and efficient distribution of electrical power in residential and light commercial applications. Built to withstand harsh outdoor conditions, this transformer is equipped with a self-protection system that eliminates the need for external protection devices, offering enhanced safety and durability. The CSP feature ensures that the transformer can handle internal faults such as short circuits or overloads without causing damage to the system. This compact, oil-immersed transformer is easy to install on poles, making it ideal for overhead distribution in areas with limited space. It is designed to meet international standards, including ANSI, IEEE, and CSA, ensuring high-quality performance and long-lasting operation. The 5kVA CSP transformer is energy-efficient, providing stable voltage regulation and minimizing maintenance requirements, making it an excellent choice for both utility and commercial applications.FAQ From Customers
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What is a Transformer?A transformer is an electrical device used to change the voltage of alternating current (AC). It works on the principle of electromagnetic induction, converting high-voltage current into low-voltage current or low-voltage current into high-voltage current. Transformers are widely used in power transmission, distribution systems, and various electronic devices.
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What are the main uses of a transformer?The main use of a transformer is voltage conversion. Transformers are used in power transmission systems to help transfer electricity from power plants to consumers. In addition, transformers are also used in electronic devices such as chargers, televisions, power adapters, etc., to adjust the voltage to meet the requirements of different devices.
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Do you have UL listed?Yes, our transformer has UL listed. We have exported to America many pad mounted transformer,substation transformer and HV.
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