Company News-Hebei Zhongbei Transformer Co., Ltd

How to Prevent Oil-Immersed Transformers from Lightning Damage

Lightning strikes may induce overvoltage,damage insulation,burn windings and even cause equipment explosion.A complete protection system combining external lightning shielding,surge protection,reliable grounding,and daily...

How to Clean Ground Oil Contamination Caused by Oil-Immersed Transformer Leakage

Proper cleaning of oil stains from transformer leakage follows the principles of safety first,pollution control and thorough decontamination.The work is divided into on-site safety preparation,physical oil removal,chemica...

Will Overload Operation Cause Permanent Damage to Oil-Immersed Transformers?

Short-term overload within standard allowable limits generally does not cause permanent damage.However,prolonged overload,frequent repeated overload,or severe overload beyond specified time and temperature thresholds will...

Can Off-Circuit Tap Changer Transformers Be Adjusted While Energized?

Can Off-Circuit Tap Changer Transformers Be Adjusted While Energized? No. Off-circuit (no-load) tap changers (OCTC/DETC) must NOT be adjusted while the transformer is energized or under load. Designed without arc-extingui...

What are the differences between SCB10, SCB11 and SCB13 dry-type transformers?

SCB10/SCB11/SCB13 are all epoxy resin cast dry-type transformers; the trailing number indicates energy efficiency grade and loss level: higher number = lower loss, higher efficiency, higher cost. 1. Core Difference: Loss ...

Installation Methods and Precautions for Incoming and Outgoing Lines of Dry-Type Transformers

Dry-type transformers have diverse wiring forms for incoming and outgoing lines, which are mainly divided into cable connection, busbar connection and combined connection. Reasonable installation and standard operation ar...