Quality Control in Transformers | Bardeen

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quality-control, quality-control,
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Quality That Powers the World.

From in-house core manufacturing to rigorous testing — every transformer is engineered for reliability, safety, and lasting performance.

Quality Control

Advanced Equipment

Advanced Equipment

Precision engineering for superior product quality.

Precision Inspection

Precision Inspection

Advanced testing equipment guarantees reliable performance.

Multi-Dimensional Testing

Multi-Dimensional Testing

Comprehensive quality checks at every critical control point.

One‑Stop Service

Bardeen enforce strict quality control, and every delivered unit passes comprehensive, high-standard acceptance tests.

STEP1

STEP1

Consultation & quotation

STEP2

STEP2

Production & delivery

STEP 3

STEP 3

Installation & commissioning

STEP 4

STEP 4

Technical training

STEP 5

STEP 5

After‑sales support

Quality Inspection Standards

Inspection Stage Focus Items Compliance Standards
Incoming Material Inspection Core loss performance of silicon steel sheets & temperature resistance grade of insulating paper Testing conducted per China’s GB/T 2521 and international standard IEC 60641
Production Process Management Lamination accuracy of iron cores (tolerance: ±0.02 mm) as well as turn-to-turn withstand voltage of windings Inspected in line with JB/T 501 and IEEE C57.12.00 specifications
Pre-delivery Internal Quality Verification No-load loss (not exceeding 102% of rated value) and partial discharge (≤5 PC) Measured following IEC 60076 and GB 1094.11 criteria
Third-Party Independent Assessment Accredited by KEMA (the Netherlands) and CQC Evaluated independently by globally acknowledged authoritative certification bodies
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