Power Transformer Three Phase Transformers

Last Updated: February 12, 2025

Description

Power Transformer Three Phase Transformers are high-power electrical devices used to transfer electrical energy between circuits. They are designed to operate at high voltages, often up to hundreds of kilovolts, and are primarily used to step-up or step-down voltage levels in electrical grids. These transformers are crucial for enabling long-distance power transmission with minimal losses by increasing the voltage and reducing the current.

Working Principle

Three-phase transformers operate on the principle of electromagnetic induction. They consist of primary and secondary coils that are magnetically linked but electrically isolated. When alternating current flows through the primary coil, it creates a varying magnetic field, which induces a voltage in the secondary coil. This process allows the transformer to transfer electrical power from one circuit to another while maintaining a constant frequency. The use of three-phase transformers is advantageous because they provide a more efficient and balanced power supply, which is essential for high-demand applications.

Applications

Three-phase transformers are commonly used in high-voltage systems to power large-scale structures such as apartment buildings, retail centers, factories, and offices. They are also essential in powering electric motors, which require the rotating magnetic field produced by three-phase power systems. These transformers are prevalent in urban areas where dense power supply demands necessitate the routing of hundreds or thousands of kilovolt-amperes (kVA).

Advantages over other Three Phase Transformers

Unfortunately, specific advantages over other three-phase transformers are not detailed in the provided documents.

Limitations

Unfortunately, specific limitations of power transformer three-phase transformers are not detailed in the provided documents.

Considerations

Unfortunately, specific considerations regarding initial costs, operating expenses, durability, accuracy, and replacement and maintenance costs for power transformer three-phase transformers are not detailed in the provided documents.

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11KV 15KV Outdoor Prefabrical Substation Transformers High Voltage Compact Electrical Box Type Substation -- No.1601518960741 - Image
11KV 15KV Outdoor Prefabrical Substation Transformers High Voltage Compact Electrical Box Type Substation -- No.1601518960741
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 11KV 15KV Outdoor Prefabrical Substation Transformers High Voltage Compact Electrical Box Type Substation [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; Isolation; Substation Transformer
  • Cooling Method: Air (optional feature); Oil (optional feature); Air conditioning cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Core Type: Laminate
1250kva 1500kva 2000KVA 2500KVA 3000KVA 3 Phase Power Transformer for Large Industrial Equipment for Data Center -- No.1601706925419 - Image
1250kva 1500kva 2000KVA 2500KVA 3000KVA 3 Phase Power Transformer for Large Industrial Equipment for Data Center -- No.1601706925419
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 1000KVA to 3000KVA transformer [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; Isolation
  • Cooling Method: Air; Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Core Type: Laminate
1600kva Dry Transformer 1500kva Three Phase Transformer 11KV 30KV 38.5KV -- No.1601730105927 - Image
1600kva Dry Transformer 1500kva Three Phase Transformer 11KV 30KV 38.5KV -- No.1601730105927
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // ANSI/UL/Transformer//1500KVA 1600KVA SCB Dry Transformer [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; High Voltage Transformer; Isolation; Neutral Grounding Transformer
  • Cooling Method: Air; Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Core Type: Laminate
1KVA 2KVA 3KVA 4KVA 5KVA Transformer Without box -- No.1601522522446 - Image
1KVA 2KVA 3KVA 4KVA 5KVA Transformer Without box -- No.1601522522446
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 1KVA 2KVA 3KVA 4KVA 5KVA Transformer Without box [See More]

  • Other Transformer Types / Applications: Autotransformer; Distribution Transformer; Harmonic Mitigating Transformer; Isolation (optional feature)
  • Cooling Method: Air; Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Core Type: Laminate
250KVA Step up Down Transformer Price 250 Kva for CNC Factory for Office Building for Shopping Mall -- No.1601621101934 - Image
250KVA Step up Down Transformer Price 250 Kva for CNC Factory for Office Building for Shopping Mall -- No.1601621101934
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 250KVA Step up Down Transformer Price 250 Kva for CNC Factory for Office Building for Shopping Mall [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; Isolation; Rectifier Transformer
  • Cooling Method: Air; Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer; One to One
  • Core Type: Laminate
3 Phase 3kva 5kva 7kva 10kva 15kva 30kva Step Down up Isolation Transformer -- No.1601406855824 - Image
3 Phase 3kva 5kva 7kva 10kva 15kva 30kva Step Down up Isolation Transformer -- No.1601406855824
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 3 Phase 3kva 5kva 7kva 10kva 15kva 30kva Step Down up Isolation Transformer [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; Isolation
  • Cooling Method: Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer; One to One (optional feature)
  • Core Type: Laminate
3500KVA 3000 KVA Cast Resin Dry Type Transformer SCB13 SCB14 SCB15 for Industrial Mining Photovoltaic Power Station 11KV 35KV -- No.1601723734098 - Image
3500KVA 3000 KVA Cast Resin Dry Type Transformer SCB13 SCB14 SCB15 for Industrial Mining Photovoltaic Power Station 11KV 35KV -- No.1601723734098
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // ANSI/UL/Transformer//3500KVA 3000 KVA Cast Resin Dry Type Transformer SCB13 SCB14 SCB15 [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; High Voltage Transformer; Isolation; Neutral Grounding Transformer
  • Cooling Method: Air; Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Core Type: Laminate
380V 480V 420V 440V Manufacturer Direct Hot Selling Three Phase Dry Type Voltage Transformer 3kVA 5kVA 8kVA -- No.1601200742216 - Image
380V 480V 420V 440V Manufacturer Direct Hot Selling Three Phase Dry Type Voltage Transformer 3kVA 5kVA 8kVA -- No.1601200742216
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 380V 480V 420V 440V Manufacturer Direct Hot Selling Three Phase Dry Type Voltage Transformer [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; Isolation
  • Cooling Method: Air; Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer; One to One (optional feature)
  • Core Type: Laminate
3KVA 5KVA 7KVA 10KVA Isolation Three Phase Power Transformer 15KVA 20KVA 30KVA 40KVA 50KVA 60KVA -- No.1601522785882 - Image
3KVA 5KVA 7KVA 10KVA Isolation Three Phase Power Transformer 15KVA 20KVA 30KVA 40KVA 50KVA 60KVA -- No.1601522785882
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 3KVA 5KVA 7KVA 10KVA Isolation Three Phase Power Transformer 15KVA 20KVA 30KVA 40KVA 50KVA 60KVA [See More]

  • Other Transformer Types / Applications: Autotransformer; Distribution Transformer; Harmonic Mitigating Transformer; Isolation (optional feature)
  • Cooling Method: Air; Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Core Type: Laminate
500KVA 630KVA 3 Phase MV&HV transformers Dry Power Step Down Transformer 380V 415V 400V 440V to 380V 415V 400V 250KVA 600KVA 800KVA 1000KVA -- No.1601415767376 - Image
500KVA 630KVA 3 Phase MV&HV transformers Dry Power Step Down Transformer 380V 415V 400V 440V to 380V 415V 400V 250KVA 600KVA 800KVA 1000KVA -- No.1601415767376
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 500KVA 630KVA 3 Phase MV &HV transformers Dry Power Step Down Transformer 380V 415V 400V 440V to 380V 415V 400V 250KVA 600KVA 800KVA 1000KVA [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; Isolation
  • Cooling Method: Air; Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer; One to One (optional feature)
  • Core Type: Laminate
500KVA 800KVA 750 KVA 630KVA 400KVA Dry Transformer 400KW Step up Down Transformer 380V 400V 415V 440V to 380V 400V 440V 415V -- No.1601415899213 - Image
500KVA 800KVA 750 KVA 630KVA 400KVA Dry Transformer 400KW Step up Down Transformer 380V 400V 415V 440V to 380V 400V 440V 415V -- No.1601415899213
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 500KVA 800KVA 750 KVA 630KVA 400KVA Dry Transformer 400KW Step up Down Transformer 380V 400V 415V 440V to 380V 400V 440V 415V [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; Isolation
  • Cooling Method: Air; Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer; One to One (optional feature)
  • Core Type: Laminate
50HZ 60HZ Box-type Prefabricated Substation Transformer Converting Station -- No.1601516598147 - Image
50HZ 60HZ Box-type Prefabricated Substation Transformer Converting Station -- No.1601516598147
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 50HZ 60HZ Box-type Prefabricated Substation Transformer Converting Station [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; Isolation
  • Cooling Method: Air (optional feature); Oil (optional feature); Air conditioning cooling
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  • Core Type: Laminate
50KVA 100KVA 150KVA 200KVA 250KVA 300KVA 400KVA 450KVA 500KVA 20KV Oil Immersed Electrical Power Distribution Transformer -- No.1601427890462 - Image
50KVA 100KVA 150KVA 200KVA 250KVA 300KVA 400KVA 450KVA 500KVA 20KV Oil Immersed Electrical Power Distribution Transformer -- No.1601427890462
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 50KVA 100KVA 150KVA 200KVA 250KVA 300KVA 400KVA 450KVA 500KVA 20KV Oil Immersed Electrical Power Distribution Transformer [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; Isolation
  • Cooling Method: Oil; ONAF
  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Core Type: Laminate
50kVA 150kVA 300kVA 600kVA Resin Cast Dry Type Transformer -- No.1601428095604 - Image
50kVA 150kVA 300kVA 600kVA Resin Cast Dry Type Transformer -- No.1601428095604
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // Factory Price Resin Cast Dry Type Transformer 50KVA 100KVA 200KVA 315KV 400KVA 500KVA 600KVA Upto 2.5MVA 6.0KV 6.6KV 11KV [See More]

  • Other Transformer Types / Applications: Autotransformer; Distribution Transformer; Harmonic Mitigating Transformer; Isolation
  • Cooling Method: Air; Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer; One to One (optional feature)
  • Core Type: Laminate
700KVA 900KVA 1000KVA Outdoor Photovoltaic Transformer IP54 800kva Solar PV Transformer -- No.10000033332829 - Image
700KVA 900KVA 1000KVA Outdoor Photovoltaic Transformer IP54 800kva Solar PV Transformer -- No.10000033332829
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 700KVA 900KVA 1000KVA Outdoor Photovoltaic Transformer IP54 800kva Solar PV Transformer [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; Isolation
  • Cooling Method: Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer; One to One (optional feature)
  • Core Type: Laminate
800KVA Dry-Type 3 Phase Transformer 800 KVA Price 6.6KV 10KV/0.4KV -- No.1601733048882 - Image
800KVA Dry-Type 3 Phase Transformer 800 KVA Price 6.6KV 10KV/0.4KV -- No.1601733048882
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // ANSI/UL/Transformer//600KVA 800KVA SCB Dry Transformer [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; High Voltage Transformer; Isolation; Neutral Grounding Transformer
  • Cooling Method: Air; Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer
  • Core Type: Laminate
800V to 400V Three Phase Dry Type Isolation Transformer 200KVA 250kva 300kva 400kva Delta/wye -- No.10000036034487 - Image
800V to 400V Three Phase Dry Type Isolation Transformer 200KVA 250kva 300kva 400kva Delta/wye -- No.10000036034487
from Shenzhen Xingkerong Technology Co., Ltd

Home // All Collections // Transformer // 800v 400v transformer [See More]

  • Other Transformer Types / Applications: Distribution Transformer; Harmonic Mitigating Transformer; Isolation
  • Cooling Method: Air; Fan cooling Natural cooling
  • Winding Turns: Step-Up Transformer; Step-Down Transformer; One to One (optional feature)
  • Core Type: Laminate
Transformers - Image
Transformers
from Schneider Electric

From medium voltage switchgear and arc resistant equipment to energy automation, we deliver specific solutions for data centers, commercial and industrial buildings, water/wastewater, healthcare, utilities, oil and gas, and mining, covering all power distribution needs for energy management. [See More]

  • Other Transformer Types / Applications: Harmonic Mitigating Transformer; Industrial Control Transformer; Isolation; Substation Transformer
  • Mounting: Chassis; Pad-Mounted
  • Cooling Method: Air; Oil
  • Input Voltage: 230 to 69000
Energy Efficient Three Phase Transformers: Auto-Transformers - 600/480 Primary Volts - 480/380 Secondary Volts - Image
Energy Efficient Three Phase Transformers: Auto-Transformers - 600/480 Primary Volts - 480/380 Secondary Volts
from Acme Electric Corp. / Power Distribution Products

Acme ’s low voltage distribution transformers are designed for industrial and commercial applications. All of Acme ’s general purpose transformers are rated for 600 volts and below. Encapsulated units are offered in ratings up to 15kVA. Ventilated units are available in ratings up to... [See More]

  • Other Transformer Types / Applications: Autotransformer
  • Cooling Method: Air
  • Winding Turns: Step-Down Transformer
  • Mounting: Pad-Mounted
Small Power Transformers (from 5 to 40 MVA) - Image
Small Power Transformers (from 5 to 40 MVA)
from Siemens Energy Sector

Small Power Transformers are distribution transformers from 5 to 40 MVA with a maximum service voltage of 145 kV. They are used as network transformers in distribution networks. This type of transformer is normally a 3-phase application and designed according to national and international standards. [See More]

  • Other Transformer Types / Applications: Distribution Transformer
  • Mounting: Pad-Mounted
Powerwise C3 Transformer: Group D6 - Powerwise C3 - 115 C Rise - Copper Windings - CSL 3 Efficiency (exceeds TP1) - 480 Delta Primary Volts - 208Y120 Secondary Volts - Image
Powerwise C3 Transformer: Group D6 - Powerwise C3 - 115 C Rise - Copper Windings - CSL 3 Efficiency (exceeds TP1) - 480 Delta Primary Volts - 208Y120 Secondary Volts
from Acme Electric Corp. / Power Distribution Products

Acme Powerwise C3 Transformers are 30% better performing in efficiency than standard TP1 transformers. Thanks to a more efficient core and higher-grade electrical steel that minimizes losses, these energy-efficient units even exceed the requirements of the US Department of Energy Candidate Standard... [See More]

  • Winding Turns: Step-Down Transformer
  • Mounting: Pad-Mounted
  • Cooling Method: Air
  • Input Voltage: 480