Row of KYN28A-12 medium voltage switchgears inside prefabricated power cabin

Medium Voltage Switchgear Explained: Types, Components and Operation Guide

Medium voltage switchgear is electrical equipment used in power systems with voltage levels from 3kV to 40.5kV. It receives, distributes, controls, and protects electrical energy within power networks. By integrating components such as circuit breakers, disconnect switches, and protection devices, medium voltage switchgear manages electrical equipment and power transmission lines. It can also quickly interrupt…

Wondon Electrical International Business Team

Wondon Electrical Participated in EPES Asia Power Energy Storage Exhibition to Explore Global Energy Opportunities

Recently, the international business team of Wondon Electrical, including Hannah, Jacky, and Tracy, participated in the 2026 EPES Asia Power Energy Storage Exhibition. During the exhibition, the team connected with global power companies, industry experts, and professional buyers. They discussed trends in electrical equipment manufacturing, renewable energy development, and smart grid construction. As an experienced…

Prefabricated Substations vs Pad-Mounted Transformers

Prefabricated Substations vs Pad-Mounted Transformers: Which is more suitable for your project?

In the planning of a new project, the power distribution solution is one of the key factors that determine project performance and long-term reliability. When choosing between the two mainstream distribution solutions on the market — prefabricated substations and pad-mounted transformers (commonly known as European-style box-type substations and American-style box-type substations), how can you make…

Chinese-style prefabricated substations in Wondon workshop

10MW Solar PV Grid Connection Project: Complete Photovoltaic Grid Integration Solution

Project Overview This project is a 10MW solar PV grid connection project designed to provide a safe, reliable, and efficient photovoltaic grid connection system for the distributed renewable energy generation project of China Electrical Equipment Group Co., Ltd. It adopts a 10kV solar PV grid connection solution integrating voltage transformation, power collection, protection, energy metering,…

The power transformer is undergoing factory testing

Top 10 Transformer Procurement Mistakes in Power Transformer Purchasing

In power projects, industrial construction, and renewable energy distribution systems, power transformer procurement is a system-level decision involving design, engineering, supply chain management, and final acceptance. Based on communication with different project procurement teams, one common pattern has emerged: many issues encountered during project execution are not caused by the transformer itself, but by early-stage…

New large power transformer in outdoor high voltage substation

New vs Refurbished Power Transformers: Which Is Better

In power system projects, choosing between a new and a refurbished power transformer is a full lifecycle engineering decision. It directly affects system reliability, maintenance cost, and long-term operational stability. We often see procurement teams considering refurbished power transformers as a cost-saving option. However, the real question is not only price but also equipment risk,…

High voltage transformer factory testing in test lab

Power Transformer Procurement Guide: Lead Times, Pricing and Supplier Selection

For large industrial projects, power infrastructure, and renewable energy projects, power transformer procurement is often a critical step in the successful execution of the project. Based on Wondon’s experience in numerous domestic and international power distribution projects, we will discuss procurement from three key perspectives: lead time, pricing, and supplier selection, helping you make more…