167kVA Completely self-protected(CSP) Single Phase Pole Mounted Transformer
167 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. It is designed for efficient, safe, and reliable power transmission. It is mainly used for power supply in residential, commercial, and small industrial areas to ensure stable power output and long-term trouble-free operation. The transformer has built-in multiple safety protection functions, including overload protection, short circuit protection, and overvoltage protection, which can effectively prevent electrical failures and ensure the safety of the transformer under extreme working conditions. The transformer adopts advanced technology and high-quality materials, with low loss and high efficiency, which can minimize energy waste and improve power transmission efficiency.
- 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 Meets DOE 2016, Meets ANSI/IEEE
- Application Residential, commercial and remote electrical power distribution systems
- Power Rating 167kVA
- Certificate CE, ISO
- 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
167kVA Completely self-protected(CSP) Single Phase Pole Mounted Transformer
Technical Specifications
Accessories
| Rated Power | 167 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 | 138 kg |
| Total Weight | 680 kg |
| Outline Dimensions（W×D×H） | 795×890×1135 (mm) |
| 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
167kVA 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.
The 167kVA Completely Self-Protected (CSP) Single Phase Pole Mounted Transformer is a highly reliable and efficient electrical transformer designed for single-phase power distribution in residential, commercial, and rural areas. It is specifically built to be mounted on poles, typically made of wood or concrete, for overhead distribution systems.
The CSP design feature means that this transformer has integrated protection mechanisms against faults, overloads, and short circuits, eliminating the need for external protective devices like fuses or circuit breakers. In the event of a fault, the transformer automatically isolates itself to prevent damage, ensuring safety and minimizing downtime.
The 167kVA Completely Self-Protected (CSP) Single Phase Pole Mounted Transformer is a highly reliable and efficient electrical transformer designed for single-phase power distribution in residential, commercial, and rural areas. It is specifically built to be mounted on poles, typically made of wood or concrete, for overhead distribution systems.
The CSP design feature means that this transformer has integrated protection mechanisms against faults, overloads, and short circuits, eliminating the need for external protective devices like fuses or circuit breakers. In the event of a fault, the transformer automatically isolates itself to prevent damage, ensuring safety and minimizing downtime.
With a power rating of 167kVA, it is suitable for moderate power distribution needs, serving applications like residential neighborhoods and small commercial establishments. This transformer is designed in accordance with international standards, such as ANSI, IEEE, CSA, and IEC, ensuring high performance, safety, and compliance across different markets.
The 167kVA CSP transformer offers enhanced durability, reliability, and low maintenance, making it an ideal choice for areas where overhead power distribution is preferred, such as in remote regions or locations with limited infrastructure.
The 167kVA CSP transformer offers enhanced durability, reliability, and low maintenance, making it an ideal choice for areas where overhead power distribution is preferred, such as in remote regions or locations with limited infrastructure.
Packing and Shipping
167kVA Completely self-protected(CSP) Single Phase Pole Mounted Transformer
NPC ELECTRIC single-phase transformers are designed to be securely packaged for sea freight transport, ensuring safe delivery across long distances.
For this purpose, The Packing and Shipping process for the 167kVA Completely Self-Protected (CSP) Single Phase Pole Mounted Transformer is designed to ensure safe delivery to the end user. The transformer is carefully packed in a robust wooden crate or container that protects against physical damage during transit. The unit is securely fastened to prevent any movement, and all external components, such as bushings and connections, are shielded to avoid damage.
Before shipment, the transformer undergoes a final inspection to verify its condition, and a detailed packing list is prepared, which includes technical specifications and handling instructions. The shipping method is chosen based on the destination and size of the unit, typically involving ocean freight or road transport with specialized vehicles equipped to handle heavy electrical equipment. Additionally, shipping documentation, including the bill of lading, customs clearance forms, and certificates of compliance, is provided to ensure smooth delivery and importation. All packaging complies with international standards to protect the transformer during transportation and to ensure it arrives in optimal condition.
For this purpose, The Packing and Shipping process for the 167kVA Completely Self-Protected (CSP) Single Phase Pole Mounted Transformer is designed to ensure safe delivery to the end user. The transformer is carefully packed in a robust wooden crate or container that protects against physical damage during transit. The unit is securely fastened to prevent any movement, and all external components, such as bushings and connections, are shielded to avoid damage.
Before shipment, the transformer undergoes a final inspection to verify its condition, and a detailed packing list is prepared, which includes technical specifications and handling instructions. The shipping method is chosen based on the destination and size of the unit, typically involving ocean freight or road transport with specialized vehicles equipped to handle heavy electrical equipment. Additionally, shipping documentation, including the bill of lading, customs clearance forms, and certificates of compliance, is provided to ensure smooth delivery and importation. All packaging complies with international standards to protect the transformer during transportation and to ensure it arrives in optimal condition.
32
32 years of industry experience
Manufacturer Test
167kVA Completely self-protected(CSP) Single Phase Pole Mounted Transformer
Progress Test
NPC Electric manufactures pad-mounted transformers have the strict quality control. The Progress Test for the 167kVA Completely Self-Protected (CSP) Single Phase Pole Mounted Transformer involves a series of inspections and tests performed throughout the manufacturing process to ensure the transformer meets all required specifications and standards. These tests typically include the following:
Visual Inspection: Checking the physical components for proper assembly, labeling, and compliance with design specifications.
Electrical Tests: Verifying the transformer’s electrical performance, including voltage, current, and load capabilities. This ensures the transformer operates efficiently and safely within the specified limits.
Protection Mechanism Tests: Testing the CSP features to ensure the built-in protection system functions correctly, especially in the event of overloads or short circuits.
Dielectric Tests: Ensuring the insulation system's integrity by applying high-voltage tests to verify its ability to withstand electrical stress without failure.
Functional Tests: Verifying the operation of components such as tap changers, bushings, and cooling systems to ensure they work according to design.
These progress tests ensure that the transformer is manufactured according to industry standards such as ANSI, IEEE, and IEC, and is fully functional and safe for use in real-world applications.
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
♦ 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 have tests made for quality control by the manufacturer on every device or representative samples.
The Transformer Factory Acceptance Test (FAT) for the 167kVA Completely Self-Protected (CSP) Single Phase Pole Mounted Transformer ensures that the transformer meets all design and performance specifications before shipment. This includes visual inspections, electrical tests (such as voltage and current checks), protection system verification (ensuring the CSP protection functions correctly), dielectric and insulation resistance tests, and load testing to confirm operational efficiency. The FAT also includes verifying the cooling system’s performance and checking for noise and vibration levels. Upon successful completion of these tests, the transformer is certified to comply with industry standards like ANSI, IEEE, and IEC, and is ready for delivery.
Routine Test - No Load Loss Test
Purpose of Testing
The purpose of No Load Loss Test is to measure the power loss of the equipment when it is not loaded to evaluate the iron loss and other core losses. This test can help understand the energy efficiency of the equipment and help determine the performance of the transformer or motor when it is running at no load.
Testing Equipment
No Load Loss tester (e.g. OMICRON, Megger, Schneider Electric, etc.)
Voltage source (usually 230V, 400V or customized according to customer requirements to adapt to different equipment)
Power analyzer (used to measure power loss and efficiency)
Ammeter and voltmeter
Temperature and humidity meter
Voltage source (usually 230V, 400V or customized according to customer requirements to adapt to different equipment)
Power analyzer (used to measure power loss and efficiency)
Ammeter and voltmeter
Temperature and humidity meter
Pre-Test Preparation
Disconnect the power supply of the device and ensure that the device is properly grounded and discharged to ensure safe operation.
Please ensure that the test is carried out in a suitable environment with a relative humidity of less than 75% and avoid rainy days or extreme weather (recommended temperature range: 20-30°C).
Please ensure that the test is carried out in a suitable environment with a relative humidity of less than 75% and avoid rainy days or extreme weather (recommended temperature range: 20-30°C).
Test Progress
Connect the Test Instrument:
Connect the test equipment to the high voltage side of the transformer, making sure the wiring is correct and the equipment is grounded.
Apply Test Voltage:
Usually it is 110% of the rated voltage, for example, if the rated voltage of the transformer is 33 KV, apply 36.3 KV (110%).
Connect the test equipment to the high voltage side of the transformer, making sure the wiring is correct and the equipment is grounded.
Apply Test Voltage:
Usually it is 110% of the rated voltage, for example, if the rated voltage of the transformer is 33 KV, apply 36.3 KV (110%).
Measure and Record
Start the test and record the following parameters:
No Load Current
No Load Loss
Power Factor
Current
Voltage
Temperature and Humidity
No Load Current
No Load Loss
Power Factor
Current
Voltage
Temperature and Humidity
Temperature Correction
The power loss of the test results is corrected to a reference temperature (usually 20°C) to ensure an accurate evaluation.
Repeat Testing (if necessary)
Test at different rated voltages, especially when the transformer has multiple capacity levels, and perform no-load loss tests for each capacity level separately.
Evaluation Criteria (Reference)
No-load loss ≤ 0.2% rated power (excellent)
No-load loss < 0.2% ≤ 0.5% rated power (good)
No-load loss > 0.5% rated power (further inspection or corrective action required)
No-load loss < 0.2% ≤ 0.5% rated power (good)
No-load loss > 0.5% rated power (further inspection or corrective action required)
*These comprehensive tests ensure that each transformer meets performance standards and operates
reliably under various conditions.
Application
Residential, commercial and remote electrical power distribution systems
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
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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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