hengfengyou substation-Hengfengyou (Qingdao) Substation Co., Ltd.

2026-10-15

High-Voltage Surge Arrester Selection Guide: How to Determine Rated Voltage, Residual Voltage, Pollut

High-voltage surge arresters are essential for overvoltage protection in substations, photovoltaic (PV) step-up substations, gas-insulated switchgear (GIS) systems, and overhead power lines. Proper selection requires comp

2026-05-29

Ensuring Power Grid Safety: A Guide to Substation Operation and Equipment Coordination

As a core hub of the power system, the operational stability of substations is crucial. This article provides a professional guide for on-site operations by analyzing key points of substation operation control and equipme

2026-05-19

Environmental Requirements and Mitigation Measures for Power Distribution Equipment

This article provides a comprehensive overview of the environmental requirements and targeted protective measures for power distribution equipment, including distribution transformers, high/low-voltage switchgear, and rin

2026-03-30

Key Points for Power Transformer Installation, Commissioning, and Initial Operation Management

This article provides a comprehensive overview of the critical control points throughout the entire process of power transformer deployment, from site inspection and acceptance to initial operation. It highlights the dist

2022-12-23

System temperature rise online device structure design of the ring cabinet

The circular network cabinet is equipped with three out -of -three outlets equipped with a standardized equipment, that is, the cabinet structure of the four units forms the ring network structure. The current planned mon

2022-12-16

Where is the difference between the inflatable cabinet and the ring network cabinet?

There are two ways to have air insulation and fully closed inflatable cabinets in the ring network cabinet. Air insulation is to use a general SF6 load switch to be connected to a system by copper pows. In addition to the

2022-12-09

What are the differences between the low -voltage power distribution cabinet and the low -voltage swi

First,define the difference: The rated voltage of the low -voltage power distribution cabinet is 50Hz, and the power distribution system with a rated current 380V is used to switch the electromagnetic energy transformatio

2022-11-30

Relevant steps for debugging in nine aspects of KYN28 high -voltage cabinet

High -voltage metal closed switch device consists of two parts: box and hand cart. The cabinet is separated from four independent compartments from the metal partition: the bus room, switching room, cable room, relay inst

2022-11-18

What are the reasons why the high -voltage and low -voltage switching cabinet is wet?

Why is the switching cabinet wet? The switching cabinet is a key component of the software transmission and distribution system software. It can be used to automatically control the system of the system software to deal w