Product Introduction
This 100 Kva Transformer Single Phase features an input voltage of 13800V. In practical applications, three such transformers can be connected to a 13800V power grid via delta connection or adapted to a 24000V grid using star connection. The iron core of the 100 Kva Transformer Single Phase is made of high magnetic induction oriented silicon steel sheets, and its high and low voltage windings are constructed with aluminum using concentric winding technology. Meanwhile, we have specially enhanced its insulation performance, enabling stable operation in various climatic environments.
In addition, we provide comprehensive customization services. We can design suitable single-phase transformers according to customers' specific requirements, such as complying with different standards or adapting to special installation scenarios.
What Applications Does a 100 kVA Single-Phase Transformer Suit? (With Focus on 120/240V Supply, Residential and Light Commercial Use)
his 100 kVA single-phase transformer is an ideal power solution specifically designed for standard residential and light commercial facilities in North America and similar regions. It efficiently and safely converts medium-voltage grid power (such as 13.8 kV) into a standard 120/240V split-phase power supply, directly meeting the demands of various terminal electrical equipment.
Core Application Scenarios Include:
Detached and Townhouses: Serves as the primary power supply for single-family homes or townhouse communities in suburban and rural areas. One 100 kVA transformer can easily meet the peak electricity demands of central air conditioning, electric heating, kitchen appliances, lighting, and entertainment facilities.
Small Commercial & Public Services: Perfectly suited for small retail stores, convenience stores, community restaurants, offices, dental clinics, and community health stations. Its capacity supports lighting, POS systems, office equipment, and some light commercial devices.
Agricultural and Outdoor Facilities: Provides reliable power for farms, livestock operations' power equipment (like feed processors, water pumps), large irrigation systems, and outdoor public facilities (such as street lighting, signal lights).
Temporary Power & Construction: Also an ideal choice for construction sites, field operation camps, and other locations requiring temporary, convenient, and reliable power.
Core Advantages: This transformer features a simple, robust structure, is easy to maintain, and is well-suited for areas with low load density and dispersed consumption points. It is the preferred equipment for achieving a flexible "small capacity, dense distribution" power supply strategy.
Scope of Supply
Product: Single Phase Pole Mounted Transformer
Number of Phases: Single Phase
Rated Power: Up to 333 kVA Single Phase Transformer
Primary Voltage: 24900-13800-13200V/14400-7970-7620V
Secondary Voltage: 120/240V, 240V/480V
Customizable Production: Yes
Customizable production
Different climatic environments and application scenarios impose higher requirements on transformer models and types, greatly restricting the use of conventional models. Our company boasts a professional technical team with over 10 years of experience, which can accurately match the most suitable transformer according to the power demand proposed by customers. From requirement confirmation to design drawing finalization, it only takes 3 working days, and the production cycle is 20% shorter than that of peers, ensuring timely product delivery without delaying your project schedule.
Technical Specification for Single phase Transformer
|
Model |
TR D1-100-13800-120/240V |
|
Type |
single phase transformer |
|
Rated power |
100KVA |
|
Execution standards |
IEEE.C57.12.00 / IEC60076 |
|
Frequency |
60HZ |
|
Phase |
single |
|
INPUT VOLTAGE |
13800V |
|
Output voltage |
120/240V |
|
No-load loss |
210W |
|
No-load current |
1.06% |
|
Load loss |
850W |
|
Impedance |
3±7.5% |
|
Noise |
51DB |
|
Bil |
95KV/38kv |
|
Tank color |
ANSI 70 gray |
|
Cooling method |
ONAN |
|
Iron core |
oriented silicon steel |
|
Winding |
aluminium |
|
Tap changer |
NLTC |
Transformer Process Flow Diagram
Our 100 Kva Transformer Single Phase adopts a standardized production process, covering core cutting and stacking, winding manufacturing, insulation treatment, assembly, multi-item testing, and finished product packaging, ensuring stable and reliable product quality.
Differences Between Single-Phase and Three-Phase Transformers
To help customers choose the right type based on their needs, it's crucial to clearly distinguish between single-phase and three-phase transformers. Please refer to the table below:
| Comparison Aspect | Single-Phase Transformer | Three-Phase Transformer |
|---|---|---|
| Primary Application | Primarily provides 120/240V single-phase power for residential, light commercial, and light industrial use. | Provides 208Y/120V or 480Y/277V three-phase power for large factories, commercial centers, data centers, etc. |
| Typical Capacity | Typically ranges from 5 kVA to 167 kVA. 100 kVA is a very common size. | Extremely wide range, from tens of kVA to tens of thousands of kVA. |
| Supply Scenario | Suitable for low-voltage distribution networks with smaller load densities, commonly found in suburban, rural areas, or urban single-family home districts. | Suitable for concentrated, high-density electrical load areas, forming the core of urban industrial and commercial power grids. |
| Structure & Features | Simple structure, smaller size, relatively lower core and no-load losses. Highly flexible, as three single-phase units can form a three-phase bank. | Compact and cost-effective (more economical than three single-phase units for the same capacity), but a fault in one phase may cause the entire unit to shut down. |
Simple Summary:
If your project is to power a house, a small store, or a farm, the 100 kVA single-phase transformer is the straightforward, economical, and reliable choice. If you need to power a large factory or a massive commercial building, a three-phase transformer is typically required.
Transformer drawings
Engineers at Hozee Electric design high-quality drawings for the 100 Kva Transformer Single Phase based on customers' customization requirements, covering key parameters such as high voltage, low voltage, impedance, no-load loss, and load loss, to ensure accurate production and installation.
Coil:
According to customer requirements, high-quality electrolytic aluminum foil and enameled aluminum wire are used for winding, which can effectively reduce costs while meeting transformer performance
Assembly of single-phase transformer：
FAQ
Q: Can transformers operate in parallel?
A: Yes, but three conditions must be met: the rated voltage and voltage ratio must be the same; the connection groups must be identical; the absolute value of short-circuit impedance and the impedance angle must be equal. Failure to meet these conditions will result in excessive circulating current, uneven load distribution, which affects transformer service life and may even burn out the equipment.
Q: How to determine whether transformer oil needs to be replaced?
A: Through oil quality testing. If there is excessive moisture, increased acid value, decreased insulation strength, or the oil turns black and turbid, it indicates that the oil quality has deteriorated, and it needs to be filtered or replaced in a timely manner. Regular sampling and testing (usually once a year) is an effective way to monitor oil quality.
Q: What are the requirements for re-closing a transformer after a sudden power outage?
A: First, check the cause of the power outage and eliminate faults such as short circuits and overloads before closing the circuit again. For large-capacity transformers, it is advisable to wait for an interval of 5-10 minutes before re-closing to allow the magnetic field of the iron core to fully attenuate, avoiding excessive inrush current at the moment of closing, which may impact the transformer and the power grid.
Q: What are the protective devices for transformers?
A: Common devices include overcurrent protection (for overload and short circuit), gas protection (for oil-immersed transformers, detecting gas generated by internal faults), temperature protection (for monitoring oil temperature or winding temperature, triggering alarms or trips when exceeding limits), and differential protection (for large-capacity transformers, detecting short circuit faults in windings and leads). These devices can act promptly at the initial stage of a fault to minimize losses.
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