Product News
Comprehensive Guide to Transformer Technology: From Principle to Selection
Transformers are the core equipment for voltage conversion and energy transmission in power systems, and their performance directly affects the stability and energy efficiency of the power grid.
High voltage switchgear: the core guardian of the power system
As a key equipment in modern power systems, high-voltage switchgear plays an important role in energy distribution, circuit protection, and system control.
Precision construction of intelligent distribution cabinet
As a key equipment in the power system, the distribution cabinet has an extremely precise and complex composition system. The main circuit system uses highly conductive copper or aluminum bars to construct the electrical backbone.
Modern Box type Substation: Structural Principles, Standard System, and Innovative Trends
As a key equipment in modern power systems, box type substations have developed into intelligent sets of devices that integrate high-voltage distribution, power transformation, and low-voltage distribution.
Switch cabinet circuit
Switchgear is an indispensable and important equipment in the power system, which distributes, controls, and protects electrical energy through a complex internal circuit system.
Transformer production process
A good transformer cannot do without a tight and precise production process, which consists of multiple complex steps. The production steps of transformers generally include the selection of component materials such as iron cores, windings, insulation materials, and body, as well as the processing and assembly of processes.
Analysis of PT cabinet and metering cabinet
PT cabinets are often installed in high-voltage switch cabinets, especially in specific locations where voltage measurement and protection are required, such as behind the incoming cabinet and in front of the feeder cabinet, where only the main busbar passes through and no line is used. In addition, the PT cabinet also provides operation and control power to meet the needs of electrical system relay protection, such as busbar insulation, undervoltage, overvoltage and other protection functions.
Busbar knowledge explanation
Busbar refers to the connection of various voltage distribution devices in the substation, as well as the connection of electrical equipment such as transformers, substations, switch cabinets and corresponding distribution devices. Most of them use bare wires or twisted wires with rectangular or circular cross-sections, which are collectively called busbars.
Transformer selection recommendations
When selecting a transformer, you need to consider all aspects to ensure that the product complies with national standards (such as oil-immersed transformers comply with GB/T 6451, and dry-type transformers comply with GB/T 10228); you should give priority to Class 1 or Class 2 energy-efficient transformers (marked with NX1/NX2) to reduce long-term operating costs.
How to choose standard parts for switch cabinet?
Switchgear plays an important role in isolation protection, support and function realization in the power system. As a key element to connect and fix the components of the switchgear, the selection and application of fasteners are crucial.