Technical Articles

Ral is a color card brand in Germany. This color card is widely used internationally, also known as ral international color card. It is translated into Chinese as Raul color card. Today, Evan, hengfengyou electrical technical engineer, summa...

1. How to prevent transformer from moisture: transformer is a high-voltage equipment, and its insulation performance is required to be good. Oil immersed transformer is very susceptible to moisture. Preventing moisture is one of the main mea...

Let's take a look at the main process of handling the hum of dry-type transformers with the editor of the dry-type transformer factory: Judging method: first look at the low-voltage output voltage, not the voltmeter on the low-voltage cabine...

The iron core of dry-type power transformer adopts hot-rolled ferrite core with high magnetic conductivity and high-quality grains, 45 ° full tilt servo motor interface, the iron core adopts unique galvanized square steel pull plate structu...

The voltage of UK medium voltage power grid is 11kv 33kV. Low voltage: 240V / 50Hz. Hengfengyou electric complies with BS and Kema standards and has provided customized services for oil immersed transformer cores and transformers for many Br...

The voltage of German medium voltage power grid is 20kV. Low voltage: 230V / 50Hz. Hengfengyou electric complies with BS and Kema standards and has provided customized services for oil immersed transformer cores and transformers for many German transformer companies....

The voltage of China's medium voltage power grid is 10kV 35kV. Low voltage: 220V / 380V (50Hz). Hengfengyou electric complies with China's national GB standards, CCC and CQC certification, and its products sell well in the global power marke...

The international organization for Standardization (ISO) is a worldwide federation of national standardization bodies with 140 member states. Hengfengyou Electric has passed! ISO9001 and ISO14001 certification. https://www.hengfengyou.com ；...