EN
FR
DE
ES
-
06 09,2024
What is the purpose of the enclosure of a dry-type transformer?
Discover why dry-type transformer enclosures are critical for safety and longevity. Learn how enclosures with IP20+ ratings prevent dust, moisture, and accidental contact (per GB 4208 standards), while reducing noise and environmental damage. Key benefits include personnel safety, extended transformer lifespan, and protection against industrial contaminants. Lushan—a leading Chinese transformer manufacturer since 1975—designs enclosures for harsh environments, ensuring reliability in renewable energy, smart grids, and industrial applications.
-
05 09,2024
What checks should be conducted before operating a dry-type transformer?
Ensure safe startup of dry-type transformers with this comprehensive pre-operation checklist. Learn critical inspection steps including component tightening verification (vibration-proof), ventilation system evaluation (dust removal & airflow direction), auxiliary equipment testing (fans & temperature controls), electrical connection review (terminals & insulation), no-load testing procedures, and documentation requirements. Lushan Transformers' 49 years of expertise ensures your equipment meets all safety standards for industrial, commercial and renewable energy applications.
-
04 09,2024
What is the current status of the application of dry-type transformers?
Discover the latest applications and advantages of dry-type transformers—oil-free, fireproof, and eco-friendly solutions for power systems, marine platforms, and smart grids. Learn how low-noise, low-loss dry-type transformers enhance safety and efficiency in hospitals, schools, and industrial facilities. Explore challenges like humidity resistance and the future of digital monitoring for transformers. Lushan, a top transformer manufacturer since 1975, provides high-performance dry-type transformers for global industries.
-
03 09,2024
What is the purpose of measuring the no-load voltage and no-load current?
Discover why measuring no-load voltage and current is vital for transformer performance evaluation. This guide explains how these tests verify design parameters, assess core quality, detect assembly issues, and establish maintenance benchmarks. Learn about the relationship between no-load characteristics and transformer efficiency, including core losses and winding integrity. Lushan Transformers—with 49 years of manufacturing expertise—shares professional insights into transformer testing standards.
-
02 09,2024
What is the definition of the no-load characteristics measurement?
Learn how no-load characteristics measurement evaluates transformer performance by analyzing no-load voltage, current, and core losses under open-circuit conditions. This guide covers test procedures, key parameters like hysteresis/eddy current losses, and why these metrics matter for energy efficiency and transformer design optimization. Lushan—a leading transformer manufacturer since 1975—explains industry-standard testing methods for power systems.
-
30 08,2024
How is the AC magnetization curve defined for silicon steel sheets?
The AC magnetization curve (B-H curve) defines how silicon steel sheets behave under alternating magnetic fields - critical for transformer efficiency. This guide explains the standardized measurement process including demagnetization, AC field application, and peak induction recording. Learn how this curve reveals core loss characteristics and impacts transformer design. Lushan Transformers applies 49 years of material science expertise to optimize silicon steel performance.
-
29 08,2024
How is the cutting process of the iron core conducted?
Discover the two primary methods for transformer core cutting - high-speed wheel cutting for production efficiency and precision wire EDM for complex shapes. Learn about wheel selection (50-grit at 1400-3000 RPM), cooling systems (emulsified oil solutions), and post-cut treatments. This guide compares processes for grain-oriented silicon steel and explains how proper cutting affects core loss and transformer performance. Lushan's 49 years of core manufacturing expertise ensures optimal cutting quality.
-
28 08,2024
What is the bonding process for the iron core?
Learn the critical transformer core bonding process to enhance mechanical strength & magnetic performance. This guide covers epoxy varnish selection, vacuum impregnation, and oven drying for optimal core stability. Discover how 110-type solvent-free varnish ensures long-term reliability in transformers. Lushan (est. 1975) specializes in power transformers and reactors for industries like renewable energy, medical equipment, and rapid transit. Improve your transformer’s lifespan with professional core bonding techniques.
-
27 08,2024
How is the heat treatment process for silicon steel cores?
Discover the silicon steel core heat treatment process to enhance transformer efficiency and lifespan. This guide explains sealed annealing, nitrogen protection annealing, and low vacuum annealing methods for stress relief and magnetic property restoration. Learn how proper temperature control and post-annealing inspection ensure optimal core performance. Lushan (est. 1975) is a leading manufacturer of power transformers and reactors, serving industries like renewable energy, medical equipment, and rapid transit. Ensure your transformer cores meet the highest standards with professional heat treatment techniques.
-
26 08,2024
How can we understand the electrical phenomena of tracking and arcing, along with the related concepts of creepage distance and clearance distance?
Learn the critical differences between tracking (creepage) and arcing (flashover) in electrical insulation systems. This guide explains how creepage distance (surface path) and clearance distance (air gap) prevent insulation failures in transformers and high-voltage equipment. Discover why proper insulation design and withstand voltage testing are vital for preventing dielectric breakdown and ensuring electrical safety. Lushan (est. 1975) specializes in power transformers and reactors for industries like renewable energy, medical equipment, and rail transit.
