110kV 115kv Power Transformer

Primary Voltage Ratings: 132kV, 138kV or others

Secondary Voltage Ratings: 11/10.5/6.6/6.3kV or others

H.V. TAP RANGE: ±8×1.25% or others

CONNECTION TYPE: YNd11 or others

TYPE: oil immersed transformer

A 110kV 115kv power transformer is a crucial piece of equipment in the electrical power system, primarily used in power plants, substations, and large industrial and mining enterprises. Here are some main features of a 110kV 115kv power transformer:

Low Losses: Utilizes high-quality silicon steel sheets for the core, with a specific lamination technique to effectively reduce no-load and load losses.

Low Noise: Optimized design reduces the noise generated during transformer operation, suitable for environments that require low noise levels.

Low Temperature Rise: Efficient cooling systems and good heat dissipation design ensure that the temperature increase during operation is kept within a reasonable range.

Low Partial Discharge: Advanced insulating materials and structures are used to reduce partial discharge phenomena and improve insulation performance.

Strong Short-Circuit Capability: The rational structural design can withstand the mechanical and thermal stresses under short-circuit conditions.

High Efficiency: Optimized coil design and material selection improve the transformer's energy efficiency.

Long Lifespan: Durable materials and components, along with good maintenance conditions, extend the service life of the transformer.

Safety Performance: Equipped with necessary protective devices, such as gas relays and overcurrent protection, to ensure safe operation of the transformer.

Environmental Adaptability: The design takes into account various environmental conditions to ensure stable operation of the transformer in a wide range of settings.

These features make the 110kV 115kv power transformer play a vital role in the power system, ensuring the reliability and economy of the power supply.

A 110kV/115kV power transformer is an electrical transformer designed to operate within the voltage range of 110,000 volts (110kV) on the high-voltage side and 115,000 volts (115kV) on the low-voltage side. These transformers play a crucial role in electrical power transmission and distribution systems.

Voltage Rating: The transformer is specifically designed to handle two voltage levels - 110,000 volts (110kV) on the high-voltage side and 115,000 volts (115kV) on the low-voltage side. This voltage transformation can involve either stepping up the voltage from 115kV to 110kV or stepping it down from 110kV to 115kV, depending on the requirements of the electrical system.

Step-Up or Step-Down: Power transformers like the 110kV/115kV transformer can perform voltage conversion, stepping up voltage for long-distance transmission or stepping it down for distribution purposes. Stepping up voltage reduces energy losses during transmission over long distances.

Three-Phase Operation: Most power transformers, including the 110kV/115kV transformer, operate on a three-phase system. They have three separate windings for each phase, which ensures balanced and efficient power transmission.

Cooling System: High-voltage transformers generate heat during operation, and an effective cooling system is essential to dissipate this heat and maintain the transformer's efficiency and longevity. Common cooling methods include oil-immersed cooling and forced air cooling.

Insulation: To prevent electrical arcing and ensure the safety of the transformer, it is insulated with high-quality materials capable of withstanding high voltages and preventing electrical breakdown.

Protection and Monitoring: Power transformers are equipped with protective devices and monitoring systems to safeguard them from overloads, short circuits, and other electrical faults. These devices help prevent damage to the transformer and ensure the continuity of power supply.

A 110kV/115kV power transformer is a critical component in electrical power systems, facilitating efficient power transmission and distribution across different voltage levels while adhering to strict safety and performance standards. Its ability to step up or step down voltage makes it versatile and vital for electricity grid operation.

110kV 115kv power transformers are essential components in electrical power systems, designed to transform voltage levels to meet the requirements of various applications. Here are some key features and specifications of 110kV 115kv power transformers based on the provided English

1.Standards and Ratings: They are built according to international standards such as IEC60076 and come with various voltage and capacity ratings, typically from 11kV to 230kV and capacities ranging from 50Kva to 180MVA.

2.Materials: The windings are commonly made of copper, and the core is made from silicon steel, which is ideal for its magnetic properties.

3.Cooling Methods: These transformers use Onan (Oil Natural Air Cooling) or Onaf (Oil Forced Air Cooling) systems to dissipate heat effectively.

4.Vector Groups: Common vector groups for 110kV 115kv transformers include Dyn11, which is suitable for various connection types and power flow directions.

5.Temperature Rise: The insulation class is usually A-Class, with a temperature rise of 60/65K.

6.Impedance: The impedance level is typically between 4-8%.

7.Construction: The construction includes metal-clad with galvanized steel housing, metal-clad with GRP (Glass Reinforced Plastic) housing, and lockable doors with stainless steel or

8.Protection: Transformers are designed with a high degree of protection, such as IP54, to safeguard against dust and water ingress.

9.Switchgear: They are often equipped with high-voltage switchgear like SF6 insulated Ring Main Unit Circuit breakers/Fused Switches and low-voltage switchgear like incoming breakers or isolators up to 6000A.

10.Applications: 110kV 115kv power transformers are widely used in urban power grids, thermal power plants, rail transportation, new energy enterprises, and coal industries.

11.High-Temperature Resistance: Some models are developed with a hybrid insulation structure that provides resistance to high temperatures, enhancing their performance and reliability.

12.Security and Reliability: These transformers offer high security and reliability in operation, contributing to the stability of the power system.

13.Economical and Efficient: They are designed to be economic and efficient, reducing network losses and operational costs.

14.Short Circuit and Insulating Strength: Transformers have high short circuit strength and insulating strength, ensuring safety and durability.

These features make 110kV 115kv power transformers suitable for a wide range of applications, providing efficient voltage transformation and contributing to the reliability of power systems.

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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