Low Voltage Switchgear Sampling Inspection

2026-07-15

Low voltage switchgear sampling inspection covers factory self-inspection random sampling, third-party market supervision random inspection and project incoming acceptance sampling, applicable to GGD, GCS, GCK, MNS, GGJ and all types of low voltage power distribution cabinets. All testing items comp···

Key Differences Between First-Class and Second-Class Energy Efficiency Transformers (S22 / SCB18 vs S20 / SCB14)

2026-08-11

Energy efficiency grade is the core standard for judging whether transformers meet national grid and new energy project requirements. More and more photovoltaic, industrial and urban renovation projects mandate first-class energy efficiency.S22 and SCB18 are the latest first-class energy efficiency

How Humid Climate Affects Outdoor Power Equipment & Anti-Condensation Solutions

2026-08-11

Humid and rainy weather is the biggest natural enemy of outdoor box substations and transformers. Long-term high humidity causes internal condensation, insulation reduction, surface creepage and sudden tripping faults.Most cheap power cabinets lack dehumidification design. In spring and rainy season

What Is IP54 / IP65 Protection Grade for Outdoor Box Substations? Complete Explanation

2026-08-11

Protection grade is one of the most critical but easily ignored parameters for outdoor box-type substations. Many low-cost cabinets mark IP54 on the nameplate but fail to meet real waterproof and dustproof standards.IP54 protects against dust intrusion and splashing water, suitable for most urban co

Why Do Distribution Transformers Fail Early? 7 Hidden Causes Most Buyers Ignore

2026-08-11

Most power transformers do not reach their designed 30-year service life. Early aging, overheating and tripping are rarely caused by factory defects, but by improper selection, poor installation and lack of regular maintenance.Many project owners only focus on purchasing price and ignore operating e

NIO Power Swap Station Prefabricated Box Substation

2026-07-15

This dedicated box substation for NIO battery swap stations adopts fully bolted assembled container frame without welding deformation, customized for outdoor roadside, parking lot and service station layout. Two mainstream shell materials are available: aluminum-zinc coated steel plate with fluoroca···

Sichuan Road Primary School 20kV Power Distribution Project Manufacturing Overall Structure & Material Advantages

2026-07-15

The full set of 20kV high-low voltage power distribution equipment for Sichuan Road Primary School indoor power distribution room adopts fully bolt-assembled profile steel frame without welding deformation. The internal frame is hot-dip galvanized for permanent rust resistance, and cabinet panels ar···

Mengcheng Qiyuan Energy Storage Power Station Project Manufacturing

2026-07-15

This is Huaneng Mengcheng Qiyuan Energy Storage Power Station located in Qiyuan Subdistrict, Mengcheng County, Anhui Province, with a total planned capacity of 100MW/100MWh. Phase I covers 41MW/41MWh, and Phase II adds 59MW/118MWh energy storage units, equipped with a supporting 110kV booster substa···

Anhui University of Science and Technology Power Distribution Room Project Manufacturing Overall Structure & Material Advantages

2026-07-15

The complete set of high and low voltage distribution equipment for Anhui University of Science and Technology campus power distribution room adopts standard bolt-assembled profile steel frame without integral welding deformation. The frame undergoes hot-dip galvanizing anti-rust treatment, and cabi···

Hengli PLC Control Cabinet Production

2026-07-15

Hengli PLC control cabinet adopts high-strength cold-rolled steel sheet fully bolted assembly frame, no welding deformation. The cabinet frame undergoes hot-dip galvanizing anti-rust treatment, and the outer surface is finished with electrostatic epoxy powder spraying, featuring scratch resistance, ···