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JDZ(X)W-35(G) type Outdoor Voltage Transformer
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JDZ(X)W-35(G) Type outdoor voltage transformer.jpg

JDZ(X)W-35(G) type Outdoor Voltage Transformer

The JDZ(X)W-35(G) is a high-precision outdoor voltage transformer engineered for 35kV distribution systems. It offers versatile voltage ratios including 35/0.1/0.22kV, delivering dual secondary outputs for simultaneous measurement and protection. With 0.2/3P accuracy, ≤20pC partial discharge, and a robust operational range of -25℃ to +55℃, this GB20840/IEC61869-compliant device ensures reliable performance in demanding outdoor substation environments.

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    Product Details

    Product Functions

    ◆Precision Voltage Transformation: Accurately converts 35kV primary voltage to standardized low-voltage signals (0.1kV/0.22kV) for instrumentation and protection systems.

    ◆Dual-Purpose Output: Supports independent circuits for high-accuracy measurement (0.2 class) and reliable protection relaying (3P class) within a single unit.

    ◆Grid Monitoring & Metering: Provides stable voltage inputs for energy metering, SCADA systems, and power quality monitoring in substations.

    ◆Electrical Isolation: Ensures safe separation between high-voltage primary circuits and secondary control systems, enhancing overall operational safety.

    Applicable Environment

    ◇Installation Site: Designed explicitly for outdoor deployment in electrical substations, switchyards, and industrial power distribution sites.

    ◇Climatic Conditions: Built to withstand extreme environmental conditions, with a certified operating temperature range from -25℃ to +55℃.

    ◇System Compatibility: Rated for 35kV power networks (50/60Hz), suitable for both transmission and distribution applications.

    ◇Regulatory Compliance: Manufactured in full compliance with GB20840.1,3 and IEC61869-1,3 international standards.

    Product Highlights

    ◆Exceptional Accuracy & Reliability: Combines 0.2-class metering precision with 3P-class protection reliability, eliminating the need for separate measurement and protection transformers.

    ◆Superior Insulation Performance: Features minimal partial discharge (≤20pC), ensuring long-term insulation integrity and reduced maintenance requirements.

    ◆Robust Outdoor Construction: Engineered with weatherproof, corrosion-resistant materials and sealed insulation for durability in harsh climates including rain, snow, and pollution.

    ◆Operational Flexibility: Offers multiple standard configurations (voltage ratios 35/0.1/0.22kV or 35/√3/0.1/√3/0.1/3kV; outputs 30/500VA or 30/100VA) to match diverse project specifications.

    ◆Global Standard Compliance: Adherence to both Chinese National and International standards guarantees product quality and facilitates use in domestic and international projects.