Jiangsu Yawei Transformer Co., Ltd.

220kv 230KV Power Transformer

Primary Voltage Ratings: 220 kV, 230 kV or others

Secondary Voltage Ratings: 69/35/37/34.5/26.4./11/10.5/6.6/13.2 kV or others

H.V. TAP RANGE: ±8×1.25% or others

CONNECTION TYPE: YNd11 or others

TYPE: Oil immersed

BIL: up to 900 kV

Standards: IEEE, CSA, IEC

Application: Substation, transmison line

Power Rating: 10MVA, 12.5MVA, 15MVA, 18MVA, 20MVA, 25MVA

Chief Introduction Of 230kV 220kv Power Transformer

 

A 230kV/220kV power transformer is an electrical transformer designed to operate within the voltage range of 230,000 volts (230kV) on the high-voltage side and 220,000 volts (220kV) on the low-voltage side. These transformers are essential components in high-voltage electrical power transmission and distribution systems.

 

Voltage Rating: The transformer is specifically designed to handle two voltage levels - 230,000 volts (230kV) on the high-voltage side and 220,000 volts (220kV) on the low-voltage side. This voltage transformation can involve either stepping up the voltage from 220kV to 230kV or stepping it down from 230kV to 220kV, depending on the specific requirements of the electrical system.

 

Step-Up or Step-Down: Power transformers like the 230kV/220kV transformer can perform voltage conversion, either stepping up voltage for long-distance transmission or stepping it down for distribution purposes. Stepping up voltage is commonly done for long-distance power transmission to reduce energy losses, while stepping it down is necessary for distribution to lower voltage levels.

 

High Voltage Handling: Transformers designed for such high voltage levels must meet stringent safety and performance standards. They must be capable of withstanding the high voltages without experiencing breakdown and should be constructed to endure environmental factors and temperature variations.

 

Three-Phase Operation: Most power transformers, including the 230kV/220kV transformer, operate on a three-phase electrical system. This means they have three separate windings for each phase, ensuring balanced and efficient power transmission.

 

A 230kV/220kV power transformer is a critical component in high-voltage electrical power systems, facilitating efficient power transmission and distribution across different voltage levels. Its ability to step up or step down voltage makes it a versatile and essential element of the electricity grid, ensuring reliable and safe electricity supply to various consumers.

 

Quality Standards Of Product

 

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Quality management system GB/T 19001-2016 ISO 9001: 2015

The operation of the whole YAWEI system is strictly controlled and managed. This ensures the quality of products and material in all stages, from receiving customer requests to design, materials, production, installation, testing, packaging, delivery, after-sales, all of which operate under strict and logically linked processes.

CERTIFICATEOFCOMPLIANCE of UL and CUL

YaWei pad mounted transformer have been evaluated by UL in accordance with the U.S and Canada Standard(s). Our transformer certified by UL based on Canadian standards (CSA standards) .

Accreditation certificate CE

Standard: EN 60076-1:2011.EN 60076-2:2011EN 60076-14:2013 confirms that YAWEI technical quality meets the requirements of all specific international standards for testing and calibration laboratories. All YAWEI products are fully tested in a qualified testing room before leaving the factory, ensuring stable quality and providing absolute peace of mind for customers.

 

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220kv 230KV Power Transformer

A power transformer is a stationary electrical device that is used to convert an AC voltage (current) of a certain value into another or several different values of voltage (current) with the same frequency.

 

Advantage

 

The advantages of 220kV power transformers include but are not limited to the following:

 

High Capacity Options: 220kV transformers offer a variety of capacity choices to meet the needs of power grids of different scales.

Technical and Economic Efficiency: The use of high-capacity transformers can save on equipment investment, reduce land occupation, and lower operational and maintenance costs.

Cooling Efficiency: Transformers are equipped with effective cooling methods, such as natural oil circulation air cooling, ensuring operation at an appropriate temperature while maintaining low noise levels.

Compact Design: Transformers have a compact structure and are lightweight, facilitating easy installation and transportation.

 

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High Efficiency and Low Losses: The design of transformers focuses on efficiency, reducing no-load and load losses, and minimizing energy consumption in the power grid.

Low Noise Operation: Optimized designs, such as the use of low-noise fan motors and soundproofing on the transformer tank, enable quiet operation.

High Reliability: Transformers have high short-circuit strength, are leak-free, and eliminate local overheating, ensuring long-term stable operation.

Environmental Adaptability: The transformers are designed to withstand various environmental conditions and operate stably in different climates and geographical settings.

Special Application Design: For example, double-split transformers are designed specifically for new energy power stations and can operate independently or in parallel to adapt to different load requirements.

Compliance with International Standards: The manufacturing of the products complies with national and IEC standards, ensuring the reliability of product quality and performance.

These advantages make 220kV power transformers play a vital role in modern power systems, ensuring the reliability, economy, and environmental friendliness of power supply.

 

Production

 

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What is 220kV power transformers

 

220kV power transformers are a type of high-voltage electrical equipment designed to step up or step down voltage levels within a power transmission or distribution network. These transformers are capable of handling voltages at or around 220kV, making them suitable for a variety of applications, including but not limited to:

 

- Transmission of electricity over long distances with minimal energy loss.

- Connecting high-voltage power generation facilities to the grid.

- Serving as a critical component in substations where voltage is adjusted to meet the needs of local distribution networks.

 

These transformers are typically oil-immersed to ensure proper cooling and insulation, and they are designed to meet various international standards such as IEC, ANSI, and others to ensure safety, reliability, and performance . They are built with robust construction to withstand the high electrical and mechanical stresses inherent in high-voltage applications, and they are often equipped with advanced features such as on-load tap changers for voltage regulation . Additionally, 220kV power transformers are manufactured with an emphasis on low noise, low loss, and high efficiency to maximize the effectiveness and economy of the power system they serve .

 

 

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YAWEI 220KV Three Phase Copper Power Transformer Main Technical parameters

Rated Capacity(kVA)

High Voltage(kV)

Connection Symbol

No-load Loss(kW)

On-load Loss(kW)

Off-load Current

(%)

31500

220/230

YNd11

35

135

0.7

40000

41

157

0.7

50000

49

189

0.65

63000

58

220

0.65

75000

67

250

0.6

90000

77

288

0.55

120000

94

345

0.55

150000

112

405

0.5

160000

117

425

0.49

180000

128

459

0.46

240000

160

567

0.42

 

Main Products Of YAWEI