Smart Grid

Smart grids integrate distributed energy resources, energy storage, power electronics, and digital control technologies to enable more flexible and efficient power management. As renewable integration and bidirectional power flow continue to increase, transformers, reactors, and power electronic equipment require magnet wires with lower losses, stable insulation, and enhanced long-term reliability.

Applications Overview

Smart grid equipment operates under increasingly dynamic conditions with growing penetration of power electronics:

Distributed energy integration creates bidirectional power flow and rapid load variations.
Frequent charging and discharging of energy storage systems creates cyclic load variations.
Inverters and converters introduce harmonics, high-frequency components, and rapid voltage transitions.
Critical grid equipment operates continuously, requiring high reliability and long service life.
Higher renewable penetration creates more complex thermal loads and operating conditions.
Increasing grid-efficiency requirements demand tighter control of equipment losses.

Customer Challenges

High equipment losses
Increased harmonic and high-frequency stresses
Frequent load variations causing thermal cycling
Wide variation in equipment specifications
High failure costs in continuous operation
Demand for supply-chain stability

✔

Key Requirements

High mechanical strength and abrasion-resistant insulation
High thermal class and stable insulation performance
Improved thermal cycling endurance
High slot fill and precise dimensional control
Improved adhesion and structural stability
Strict batch consistency and full-process traceability

Yuheng Solution

Low-loss conductors

High-conductivity conductors and transposed structures reduce winding losses

High-reliability insulation systems

Customized specifications

Dimensional and performance control

Stable supply

Quality traceability

Applicable Equipment

Smart transformers
Distribution transformers
Energy storage transformers
Grid-connected transformers
Reactors
Flexible transmission and distribution equipment
Power electronic conversion equipment
Other smart grid systems

Capability Evidence

Withstand & PD Testing

Automated voltage tester verifies withstand and PD levels reel by reel.
Surface & Dimension Inspection

Vision measuring for OD tolerance and batch consistency control.
Dielectric Loss Testing

Low tanδ verified for long-term insulation reliability.
Full-Process Laboratory

Mechanical, resistance and thermal testing with full traceability

Tell Us About Your Application

Share your winding specifications and loss requirements — our engineers will confirm the transposition and insulation design and reply within one day.