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7500 kva pad mounted transformer

750 kVa Pad Mounted Transformer, The Ultimate Guide

The 750 kVa pad mounted transformer is designed to provide power to equipment up to 750kW. It will enable you to use a transformer capable of handling the high amounts of power you will be putting through your system.

The 750 kVA pad-mounted transformer is a crucial element in the U.S. power distribution network, especially in commercial and industrial sectors. These ground-level transformers stand out for their substantial capacity, embodying both reliability and accessibility. They are integral in ensuring efficient power distribution across medium to large-scale electrical systems. This section will highlight the transformer’s distinctive attributes, including its design, operational efficacy, and suitability for various applications. We will explore how this transformer aligns with real-world demands, providing practical insights into its role in modern electrical infrastructure. 

Core Products and Services

In the sophisticated energy sectors of the USA and Canada, DAELIM’s 750 kVA Pad Mounted Transformer stands as a beacon of compliance and reliability. Designed to meet and exceed the most rigorous industry standards, this transformer is your assurance of quality and performance.

Substation-Transformer
Single-Phase-Pad-Mounted-Transformer
Single Phase Transformer
Pad Mounted Transformer
dry type transformer
Distribution Transformer
220kv Power Transformer
69kv Power Transformer

Adherence to Standards

  • UL/CUL (Underwriters Laboratories/Canadian Underwriters Laboratories): Certifying safety and performance for the North American market.
  • NEMA (National Electrical Manufacturers Association): Ensuring our transformers align with established electrical standards in the USA.
  • CSA (Canadian Standards Association): Ensuring our transformers meet the Canadian safety and performance benchmarks.
  • ANSI C.57 (American National Standards Institute): Aligning with American standards for electrical systems and components.
  • DOE (Department of Energy) Standards: Complying with energy efficiency and environmental regulations.
  • IEEE Standards: Adhering to the global benchmarks set by the Institute of Electrical and Electronics Engineers.

Single Phase Transformer CESI

UL

CUL

ISO

CSA

SGS

750kva three phase pad mounted transformer

Quality and Reliability: Our Promise

Our 750 kVA transformer is not just a product; it’s a testament to DAELIM’s unwavering focus on quality. To withstand the challenging North American climates and operational demands, our transformers deliver consistent performance with minimal downtime.

Eco-Conscious and Safety-Driven

In a world increasingly aware of environmental impacts, DAELIM’s transformers are designed with eco-friendly materials. Our commitment to safety and sustainability ensures that our products are not just powerful but also

Tailored to Your Needs

Recognizing the unique requirements of diverse industries, DAELIM offers for our 750 kVA Pad Mounted Transformer. Our expert team collaborates closely with clients to tailor solutions that fit seamlessly into their specific operational frameworks.

Local Expertise, Global Standards

With dedicated teams in the USA and Canada, DAELIM provides localized support backed by global expertise. From installation to after-sales service, our teams are equipped to handle your needs promptly and efficiently.

Table of Contents

What is a 750 kVa Pad Mounted Transformer?

750kva transformer

The 750 kVA pad-mounted transformer, a critical component in large-scale power distribution, is tailored for substantial electrical demands in commercial and industrial settings. This transformer’s design and capabilities make it an ideal choice for applications requiring high power throughput and reliability.

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Subtotal Breakdown:

1. Electrical Properties and Ratings:

Primary Voltage Ratings: Capable of accommodating a range of input voltages from 34.5kV down to 12.47kV. This versatility allows it to be adaptable to various supply voltages.

Secondary Voltage Ratings: Includes several options like 208GrdY/120V and 480GrdY/277V And other customized voltages, catering to different output requirements.

HV Tap Range: The ±2×2.5% HV tap range provides flexibility in voltage adjustments, crucial for maintaining stable power output under varying load conditions.

 

2.Mechanical and Safety Features:

Design Structure: The core design can be a three-legged or five-legged core assembly, each offering distinct advantages in terms of stability and efficiency.

Insulation and BIL Ratings: High insulation class (35kV) and Basic Impulse Level (BIL) of 150kV on the high voltage side protect against surges. The low voltage side has a 1.2kV insulation class and 30kV BIL.

Impedance: An impedance of 5.75% aids in voltage regulation and limits short-circuit currents, crucial for system protection and efficiency.

3.Efficiency Standards Compliance:

 

DOE 2016 Efficiency: Meets the stringent requirements of DOE 2016 standards for energy efficiency, including specified tolerances for no-load and load losses.

4.Physical Dimensions and Weight:

 

Size: Approximately 1850mm in height, 1700mm in depth, and 1600mm in width. These dimensions necessitate careful consideration in terms of installation space.

Weight: Hefty in size, it requires proper handling and installation logistics.

These comprehensive details provide a thorough understanding of the 750 kVA pad-mounted transformer’s capabilities, design, and safety features. It’s an asset in heavy-duty power distribution scenarios, balancing high-capacity electrical demands with stringent safety and efficiency standards.

Enhanced Power Throughput

1.High kVA Rating:

The 750 kVA capacity indicates its ability to handle significant power loads, making it suitable for environments with high energy demands, such as industrial facilities or large commercial complexes.

2.Versatile Voltage Handling:

The transformer’s design to accommodate a wide range of primary voltages (from 34.5kV to 12.47kV) and multiple secondary voltage options (such as 208GrdY/120V, 480GrdY/277V) allows it to seamlessly integrate into diverse electrical systems

This versatility ensures that the transformer can effectively distribute power across various settings, adapting to different grid requirements.

3.HV Tap Range Adjustability:

The ±2×2.5% HV tap range offers flexibility to adjust the output voltage, which is crucial in maintaining consistent power supply and optimizing performance under varying load conditions.

Such adjustability aids in maximizing the efficiency of power distribution, ensuring that the right voltage is delivered according to the demand.

Reliability Factors

1.Robust Design Structure:

The option of a three-legged or five-legged core assembly in its design contributes to stability and operational efficiency, reducing losses and enhancing reliability.

2.High Safety and Protection Standards:

With an insulation class of 35kV and a BIL of 150kV on the high voltage side, the transformer is well-equipped to handle electrical surges and other high-voltage events.

The low voltage side’s protection features (1.2kV insulation class and 30kV BIL) further reinforce its safety in operation.

3.Compliance with Efficiency Standards:

Meeting DOE 2016 efficiency standards is not only about energy savings but also about ensuring long-term operational reliability. Adhering to these standards implies that the transformer is designed to work efficiently under various load conditions without compromising its lifespan or performance.

4.Physical Durability:

The physical dimensions and substantial weight of the transformer reflect its construction for durability and long-term use in demanding environments.

Practical Applications of 750 kVA Pad Mounted Transformer

750 kva pad mounted transformer price

Supplying Power to Digital Currency Mining

To provide a specific analysis of how many homes a 750 kVA pad-mounted transformer can supply, we need to consider the average electricity usage of a residential community in the US. Based on data from the U.S. Energy Information Administration (EIA), the average electricity consumption of a U.S. residential utility customer is about 877 kWh per month, or approximately 29 kWh per day.

For the calculation, we need to convert this usage into kVA, considering the power factor (which is typically about 0.9 for residential loads). The formula for converting kW to kVA is kW / power factor. Therefore, the daily average usage in kVA per household is:

Average Usage per Household in kVA} = 29 kWh/day/0.9

Given that there are 24 hours in a day, we can calculate the continuous power usage in kVA:

Continuous Power Usage per Household= Average Usage per Household in kVA/24

The number of households a 750 kVA transformer can support is then:

Number of Households= 750kVA/Continuous Power Usage per Household

This estimate will give us an idea of how many homes a 750 kVA pad-mounted transformer can supply. Keep in mind that actual usage can vary based on several factors, including the size of the home, the number of electrical appliances, and the lifestyle of the residents.

Current Transformer Usage in US Communities

In many U.S. communities, especially in suburban and urban areas, pad-mounted transformers are commonly used due to their safety, efficiency, and unobtrusiveness. These transformers are typically installed at ground level, enclosed in a locked metal cabinet, making them safer in areas with pedestrian traffic.

Upgrading to Pad Mounted Transformers

Communities using older or different types of transformers may consider upgrading to pad-mounted transformers for various reasons:

  • Safety: Pad-mounted transformers are more secure and reduce the risk of electrical hazards.
  • Aesthetics: They are less obtrusive compared to pole-mounted transformers.
  • Maintenance: Easier to maintain due to ground-level accessibility.

Maintenance and Refurbishment

For aging pad-mounted transformers, regular maintenance and timely refurbishment are essential. This includes:

  • Inspection and Testing: Regular checks for any signs of wear, oil leaks, or corrosion.
  • Oil Analysis: To detect any potential internal problems.
  • Cooling System Maintenance: Ensuring the cooling systems are functioning correctly to avoid overheating.

Advantages of Pad Mounted Transformers in Residential Areas

  • Reliability: They provide a consistent and stable power supply.
  • Lower Noise Levels: Tend to operate quieter than other types of transformers.
  • Space-Efficient: Do not require additional overhead space.

Local Laws and Regulations

In the U.S., local laws and regulations for installing pad-mounted transformers vary by region but generally include:

  • National Electric Code (NEC): Guidelines for safe installation and operation.
  • Local Zoning Laws: Regulations regarding the placement of electrical equipment.
  • Utility Company Standards: Specifications provided by local utility companies for integration into the power grid.

These guidelines ensure that the installation and operation of pad-mounted transformers are safe, efficient, and compliant with local and national standards.

750 kva pad mounted transformer for sale

The utilization of a 750 kVA pad-mounted transformer in digital currency mining, particularly Bitcoin mining, can be highly beneficial, and the reasons for this are rooted in the specific demands and characteristics of cryptocurrency mining operations. Let’s explore why this transformer is particularly suited for such applications:

High Power Requirements of Bitcoin Mining

Substantial Energy Consumption: Bitcoin mining involves complex computational processes that require significant electrical power. A single mining rig, although not consuming too much power on its own, becomes a part of a larger mining operation that can require substantial electricity, sometimes equivalent to that used by small towns.

Stable and Continuous Power Supply: The 24/7 operational nature of Bitcoin mining necessitates a reliable and consistent power supply. The 750 kVA transformer’s capacity to handle high loads makes it ideal for supporting the continuous operation of multiple mining rigs without risking power outages or fluctuations.

Advantages of Using a 750 kVA Pad Mounted Transformer in Bitcoin Mining

7500 kva pad-mounted transformer
  1. Efficient Power Distribution: Given the high power throughput and reliability of the 750 kVA transformer, it ensures efficient distribution of electricity across the mining setup, minimizing energy losses and maximizing output.
  2. Adaptability to High Demand: The transformer’s ability to adapt to varying voltage requirements and its high kVA rating align well with the dynamic power needs of large-scale Bitcoin mining operations.
  3. Safety and Compliance: Pad-mounted transformers are designed with safety features like robust enclosures and protection against electrical hazards. Their compliance with safety standards like the National Electric Code (NEC) in the U.S. is crucial for operations that involve high electricity usage.
  4. Space and Noise Efficiency: The compact design of pad-mounted transformers makes them suitable for locations near or within industrial spaces. Additionally, they operate with lower noise levels compared to other types of transformers, which is beneficial in densely packed mining setups.

Power Usage and Transformer Requirements

Small-Sized Digital Currency Mines:

  • Approximate Rig Count: 50 rigs.
  • Average Power Usage per Rig: Let’s assume 3.2 kW (kilowatts), considering a mid-range mining rig.
  • Total Power Usage: 50 rigs * 3.2 kW = 160 kW.
  • Power in kVA (Considering Power Factor): Assuming a power factor of 0.85, the total power requirement would be approximately 188 kVA.
  • Transformers Needed: For a small mine, one 750 kVA transformer would be more than sufficient, providing ample capacity for expansion.

Medium-Sized Digital Currency Mines:

  • Approximate Rig Count: 500 rigs.
  • Total Power Usage: 500 rigs * 3.2 kW = 1,600 kW.
  • Total Power in kVA: Approximately 1,882 kVA.
  • Transformers Needed: At least 3 transformers of 750 kVA would be required to adequately supply power to a medium-sized mine.

Risks and Regulatory Considerations:

  • Risk Assessment: Large power consumption in digital currency mining can pose risks such as overloading local power grids, increased demand charges, and potential for electrical hazards.
  • Regulatory Compliance: It’s crucial to comply with local electrical standards and regulations. In the U.S., states like Texas, Washington, and New York are home to many digital currency mines. Regulations in these states, especially related to power usage and environmental impact, must be adhered to.
  • Upgrading and Maintenance: For existing mining operations, upgrading to 750 kVA pad-mounted transformers may involve assessing the current electrical infrastructure’s capacity and ensuring that new installations do not disrupt local power distribution. Regular maintenance and inspection of transformers are vital to prevent downtime and ensure safety.

Advantages of Using Pad Mounted Transformers

  • Safety and Efficiency: Pad-mounted transformers are secure, efficient, and less obtrusive, making them suitable for locations near mining setups.
  • High Capacity and Reliability: Their high capacity and reliability are key in meeting the demanding power requirements of mining operations.

 

In conclusion, the number of 750 kVA pad-mounted transformers required for digital currency mines varies with the scale of the operation. Compliance with state-specific regulations and a thorough risk assessment are essential in implementing these transformers effectively and safely.

The use of a 750 kVA pad-mounted transformer in Bitcoin mining operations is a strategic choice that aligns with the high-energy, continuous, and efficient power requirements of cryptocurrency mining. Its capacity, safety features, and compliance with electrical standards make it a suitable and reliable choice for supporting the demanding and burgeoning field of digital currency mining.

Keep on reading: How to Buy a Pad-Mounted Transformer in the USA?

Price Range and Market Availability of 750 kVA Pad Mounted Transformers

Analyzing the Cost Factors

The cost of a 750 kVA pad-mounted transformer can vary widely based on several key factors:

  1. Manufacturing and Material Costs: The quality of materials used (such as the grade of steel and copper) and the manufacturing processes involved significantly impact the price. Advanced features like enhanced insulation or cooling systems can also add to the cost.
  2. Compliance with Standards: Adherence to stringent industry standards like IEEE, CSA, and DOE often requires additional manufacturing precision and testing, which can increase the price.
  3. Customization Needs: Specific requirements, such as unique voltage ratings or physical dimensions to fit particular site conditions, can lead to higher costs due to the need for customized production.
  4. Market Dynamics: Fluctuations in demand and supply, influenced by factors like construction trends and energy sector developments, play a significant role in determining the price.
Keep on reading: How to Install a Distribution Transformer?

Estimated Price Range

Based on these factors, the price for a 750 kVA pad-mounted transformer in the U.S. market typically ranges from approximately $20,000 to $40,000. This range can vary with the inclusion of additional custom features or specific manufacturer pricing policies.

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Purchasing Channels and Recommendations

For Small to Medium-Scale Buyers:

  • Electrical Equipment Distributors: They offer a range of options and can provide guidance on selecting the right transformer based on specific needs.
  • Online Industrial Marketplaces: Platforms like Grainger or Alibaba can be used to compare prices and specifications from various manufacturers.

For Large-Scale and Commercial Buyers:

  • Direct Manufacturer Purchases: Engaging directly with manufacturers like Daelim can lead to better pricing for bulk orders and more customization options.
  • Specialized Electrical Equipment Vendors: These vendors often cater to large-scale industrial projects and can provide comprehensive solutions including installation and maintenance services.
Keep on reading: pad mounted transformer, everything you need to know

Upgrading to Pad Mounted Transformers in Residential Communities

In many U.S. communities, upgrading to pad-mounted transformers from older systems offers several benefits:

  • Enhanced Safety: Pad-mounted transformers are less accessible to the public and thus reduce the risk of electrical accidents.
  • Improved Aesthetics: Their ground-level, enclosed design is less visually intrusive compared to pole-mounted transformers.
  • Ease of Maintenance: Ground-level installation allows for easier and safer maintenance operations.

Maintenance and Refurbishment of Aging Transformers

For communities with aging pad-mounted transformers, regular maintenance is key to ensuring efficiency and longevity. This includes routine inspections, oil testing, and component replacements when necessary. Refurbishing aging transformers can significantly extend their service life and improve performance.

Compliance with Local Laws and Regulations

Installation of pad-mounted transformers must comply with local and national regulations:

  • National Electric Code (NEC): Provides guidelines on installation safety and operational standards.
  • Local Zoning and Building Codes: These may dictate the placement and installation practices for transformers within residential areas.
  • Utility Company Requirements: Often, local utility companies have specific requirements for integrating transformers into the existing power grid.

Physical Dimensions and Installation Considerations for 750 kVA Pad Mounted Transformers

Total Overview: Key Physical Characteristics

The 750 kVA pad-mounted transformer’s physical dimensions are substantial, necessitating careful planning for installation. The typical dimensions are approximately 1850mm in height, 1700mm in depth, and 1600mm in width.

Subtotal Breakdown: Installation Guidelines and Standards

NEC Guidelines for Clearances

  • Clearance from Buildings: According to the National Electric Code (NEC), pad-mounted transformers should maintain a clear space of at least 3 feet (0.91 meters) from all sides of the transformer. This clearance is crucial for safety and maintenance access.
  • Clearance from Other Structures: The NEC also recommends a clearance of at least 10 feet (3.05 meters) from doors, windows, and other openings of buildings, ensuring safety in case of transformer faults or maintenance procedures.

American Engineering Standards for Construction

  • Foundation Requirements: The American Society of Civil Engineers (ASCE) standards specify that the foundation for pad-mounted transformers should be robust, level, and constructed of concrete. The foundation must be capable of supporting the weight of the transformer, which can be substantial.
  • Floodplain Considerations: In flood-prone areas, ASCE guidelines recommend installing transformers at an elevation above the 100-year flood level to prevent water damage and ensure operational integrity.

Compliance with Local Building Codes

  • Zoning and Permit Requirements: Installation must adhere to local zoning laws and building codes, which may have specific requirements regarding transformer placement, noise levels, and aesthetic considerations.
  • Utility Company Specifications: Utility companies often provide detailed specifications for transformer installation, including requirements for grounding, electrical connections, and safety devices.

Maintenance and Upgrading Considerations

Maintaining Pad-Mounted Transformers

  • Regular Inspections: Routine inspections for signs of wear, corrosion, oil leaks, and proper cooling system function are essential.
  • Oil Analysis and Replacement: Regular oil testing and replacement, as necessary, to ensure the internal components are adequately insulated and cooled.

Upgrading and Refurbishment

  • Component Upgrades: Aging transformers may require upgrades to modern safety features, cooling systems, and more efficient internal components.
  • Refurbishment Programs: Many manufacturers and service providers offer refurbishment programs, which can extend the life of a transformer and improve its performance.

Advantages of Pad-Mounted Transformers in Residential Areas

  • Reduced Noise Pollution: Pad-mounted transformers are typically quieter than pole-mounted or other types of transformers, making them more suitable for residential areas.
  • Safety and Accessibility: Their ground-level installation and enclosed design enhance safety, preventing unauthorized access and reducing the risk of electrical hazards.

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