Dry Type Transformers - China

How to calculate the calorific value of transformer

oil-immersed power transformers

The calorific base of transformer = no load loss + load loss.

No-load loss: when the transformer secondary winding is open and the primary winding applies the rated voltage of the rated frequency sinusoidal waveform, the active power consumed is called no-load loss.

Load loss: variable loss.

It's proportional to the square of the current going through it.

Load loss is the load loss at rated current and reference temperature.

To expand, the so-called rated current refers to the primary side tapping position must be the main tapping, not the rated current of other tapping.

For the reference temperature, it depends on the heat resistance grade of the insulation material of the transformer.

For oil-immersed transformers, no matter they are self-cooled, air-cooled or strongly oil-cooled, they are all a-class insulation materials, and their reference temperature is specified according to the traditional concept, which is 75℃.

As a transformer manufacturer China, our company mainly produces: oil-immersed power transformers, dry-type transformers, box-type substation, high and low voltage switchgear assembly and a variety of special-type transformers.

Company Contact:

• Posted By: Baoding Zhongyi Electrical Material Manufacturing Co.,Ltd.

• Phone: +863125926018

• Address: Room A1109, Oriental Pearl Business Center, Yulan Street, Lianchi District, Baoding, Hebei, China, Baoding , Hebei , China

• Email:

• Website: https://www.firsttransformer.com

• Business Description: Baoding Zhongyi Electrical material Manufacturing Co., Ltd. is located at the beautiful Baiyangdian Science and Technology Town in Baoding City, with an advantageous geographical location and convenient transportation.
  
  Our company covers an area of 30, 000 square meters, the building area of 16, 000 square meters.
  
  The registered capital of the company is RMB 81, 000, 000.
  
  The company mainly produces: oil-immersed power transformers, dry-type transformers, box-type substation, high and low voltage switchgear assembly and a variety of special-type transformers.
  
  The hoisting, tooling and testing equipments are complete.
  
  Our company has passed the ISO9001-2015 international standard quality management system certification.
  
  All performance indicators of the products have reached the relevant national standards and international standards.
  
  Our company's products are widely used in different industries, involving power plants, chemicals, construction, mining, metallurgy, rail transportation and so on, best meeting the needs of various users.
  
  Baoding Zhongyi Electrical Material Manufacturing Co., Ltd. follows the enterprise purpose of the "details determine the success or failure, integrity casts the future", abides by the business philosophy of the "integrity based, to be innovative ambitious", well always treat our customers warmly and provide qualified products and service to your satisfaction.
  
  The oil-immersed power transformers and dry-type transformers have passed the Test Report of the National Supervision and Inspection Center for Energy-saving Product Quality; Complete sets of low voltage switchgear (GGD2) (GCK) has passed the Test Report of China Compulsion Certification (CCC) from the State Bureau of Quality and Technical Supervision for Electrical Products; Indoor AC dray-out type metal clad switchgear KYN28A-12 / 1250-31.5, fixed AC metal-enclosed ring network cabinet XGN15-12 / 1250-31.5 and XGN15 metal-enclosed switchgears have passed the Test Report of the National Quality Supervision and Inspection center for High-voltage Electrical Appliances Product .