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30 years of dedication to the electrical accessories industry.

Key Details

Category
Hydroelectric Power Station
Location
Pangduo
Product
DJZ Series Main Circuit Moving Connectors

Providing DJZ Series Main Circuit Moving Connectors Solutions For Hydroelectric Power Station

DJZ Series Main Circuit Moving Connectors Applied in High-Altitude Hydropower LV Distribution System

Deyuan Electric’s independently developed DJZ Series Main Circuit Moving Connectors have been successfully applied in the Pangduo Hydropower Station High-Altitude Project, providing reliable and safe main circuit connections for low-voltage switchgear in high-altitude environments with challenging operating conditions.

Located in a high-altitude region, Pangduo Hydropower Station imposes stringent requirements on electrical equipment regarding heat dissipation performance, insulation strength, and operational reliability—far exceeding conventional project standards. In high-altitude environments, thin air, poor heat dissipation conditions, and reduced insulation performance present significant challenges for temperature rise control and electrical safety of main circuit connection components. As critical connecting components in hydropower station low-voltage distribution systems, the reliability of main circuit moving connectors directly affects the safe and stable operation of the entire power station.

Deyuan Electric Solution

The DJZ Series Main Circuit Moving Connectors used in this project are high-performance products developed by Deyuan Electric specifically for demanding applications, featuring the following technical characteristics:

Feature Specification

Double-chuck design principle ensures reliable plug-in connection, uniform contact pressure, and effectively reduced contact resistance Convex Point Spacing Design Convex points between contact blades prevent direct stacking, increasing surface area between contacts for superior heat dissipation

Ventilation Structure:Both plug and socket housings feature ventilation slots, creating air convection channels to effectively reduce temperature rise

Wide Current Range:Full range of specifications from 80A to 400A share the same mounting hole dimensions, simplifying standardized production and field replacement

High-Altitude Adaptability:Optimized heat dissipation structure and contact design accommodate temperature rise requirements in thin-air high-altitude environments

 

Customer Value

In the Pangduo Hydropower Station High-Altitude Project, the DJZ Series Main Circuit Moving Connectors delivered the following core values:

Excellent Heat Dissipation: Convex point spacing increases contact surface area, while ventilation slots create effective air convection channels—significantly reducing temperature rise in challenging high-altitude conditions

Reliable Electrical Connection: Double-chuck structure ensures uniform and stable contact pressure, maintaining low contact resistance and long-term operational reliability

Standardized Design: Unified mounting hole dimensions across the 80A-400A range simplify spare parts management for the hydropower station and facilitate field maintenance and replacement

High-Altitude Adaptability: Optimized structural design and material selection meet special requirements for heat dissipation and insulation in high-altitude regions

Safe and Stable Operation: Provides reliable main circuit connections for the hydropower station’s low-voltage distribution system, ensuring continuous and stable power generation

 

Empowering Hydropower and High-Altitude Special Environment Projects

This successful application in the Pangduo Hydropower Station High-Altitude Project marks official recognition of Deyuan Electric products in high-altitude special environment power engineering. As a professional manufacturer of low-voltage switchgear enclosures and components, Deyuan Electric remains committed to providing innovative design, precision manufacturing, and reliable quality as the structural foundation for clean energy projects including hydropower, solar, wind power, as well as special environment projects in high-altitude and cold regions.

Providing DJZ Series Main Circuit Moving Connectors Solutions For Hydroelectric Power Station

Our Contribution to the LV Switchgear Industry

Solving Critical Challenges

Primary moving and fixed connectors (also known as main circuit connectors or primary disconnects) are the key components that connect the main power circuit between the drawout unit and the fixed part of a low‑voltage drawout switchgear.

Innovative Plug-in primary Connectors for Higher Safety and Reliability

Low‑voltage drawout switchgear faces two persistent challenges: excessive temperature rise and unstable contact resistance in primary connectors. Overheating can lead to insulation failure, arc faults, and even unplanned outages – a major risk for power distribution systems.

Our patented composite laminated plug‑in type primary connectors (CN201038641Y) and advanced plug‑in connector (CN201898227U) directly address these  issues:

Our Contribution to the LV Switchgear Industry – Solving Critical Challenges

Key Solutions

Enhanced heat dissipation – Convex points between laminated contacts create ventilation gaps, increasing surface area and airflow. The housing is designed with cooling slots to keep temperature rise under control.

Non‑magnetic stainless steel springs – Eliminate self‑induced thermal magnetic fields, reducing heat generation and improving long‑term reliability.

Precise contact alignment – Fixed clamping and locating structures ensure consistent insertion force and low contact resistance, preventing poor connections.

Modular, tool‑free assembly – Simplified fixing mechanism inside the connector housing maximizes internal space for cooling while allowing easy installation and maintenance.

Our Contribution to the LV Switchgear Industry – Solving Critical Challenges

Industry Contribution

These innovations have become industry benchmarks. Our connectors are widely adopted in  drawout switchgear systems, significantly improving operational safety and reducing downtime. By solving the “overheating” bottleneck, we help panel builders and end‑users achieve:

Lower failure rates in high‑density drawer compartments

Extended component life under continuous full‑load operation

Compliance with stringent IEC 61439 temperature‑rise tests

Our Contribution to the LV Switchgear Industry – Solving Critical Challenges

Commitment

As a specialist in LV switchgear structures and components, we continue to drive technological progress – delivering solutions that make power distribution safer, more reliable, and more efficient.

From connectors to complete enclosures – one source, one standard of excellence.

Why Choose Our Conclusion Option?

One-Stop Structural Solutions in Low Voltage System

Consistent Quality Across Every Component

Deep Compatibility with Major Systems

Reliable Delivery, Reduced Project Risk

Contact Us To Obtain Your Personalized Solution