Scope of application
Suitable for use with high voltage inverter, mainly in municipal water supply, electric power, metallurgy, petroleum, petrochemical, cement, coal and other industries.
Product Description
1. The iron core adopts multi-stage stepping process through the core positioning structure, under various working conditions, the iron core has no lateral and longitudinal displacement.
2. The winding adopts various structural types, with strong short-circuit resistance.
3. Adopting special air-cooling guide system, high heat dissipation efficiency, safe and reliable products.
4. Reasonable magnetic leakage distribution, fully meet the requirements of inverter sinking.
5. Adopting multiplication technology, effectively suppressing harmonic content, realizing perfect harmonic-free, and prolonging the life of the motor.
6. Various structure types can meet the requirements of various frequency conversion systems.
7. The highest capacity of the product can reach 9000kVA, and it can realize 72 pulse wave rectification.
Product features
High efficiency and energy saving
Adopting advanced design, low running noise, power saving efficiency up to 40%, significantly reducing energy consumption.
High-quality core material
The core is made of high-quality cold-rolled silicon steel sheet with 45° full-slope stacking process to ensure low loss and high performance.
Optimized wiring technology
The secondary side adopts the extended triangle connection method, which effectively reduces the input current harmonics and improves the power quality.
Structural innovation
Layered structure: phase-shifted leads on the secondary side are designed in layers to enhance product aesthetics and ease of installation. Removable and assembled: the dividing partition adopts removable and assembled structure, which is convenient for installation, maintenance and transportation.
Excellent operational performance
Strong short-circuit resistance: high mechanical strength, able to withstand high current impact, safer and more reliable operation.
Safe and reliable
Excellent flame retardant characteristics ensure safety and reliability in various environments.
Main Parameters
Ambient temperature: -10°C~40°C
Relative humidity: ≤95%.
Altitude: ≤1000 meters
Pollution level: Ⅲ
Frequency: 50Hz or 60Hz
Cooling: Natural air-cooled (AN) or forced air-cooled (AF)
Service life: 20 years
Execution standard
GB/T 10228-2015 Technical parameters and requirements applicable to dry-type power transformers
GB 1094.11-2007 specifies the test methods and technical requirements for dry-type transformers.
GB/T 22072-2008 Technical conditions for transformers for frequency conversion and speed regulation
JB/T 10088-2004 covers the technical requirements for dry-type power transformers of 6kV class and above.
IEC 60076-11:2004 International Electrotechnical Commission standard for dry-type transformers
