JDZW-35 Fully Enclosed Voltage Transformer Overview

The JDZW-35 voltage transformer is designed for outdoor 35kV power systems, offering reliable performance in energy measurement, voltage monitoring, and relay protection. It features a fully enclosed pillar structure, made from outdoor-grade arc-resistant, UV-resistant, and aging-resistant epoxy resin through advanced vacuum casting technology.

Key Features:

• Durable Construction: Resistant to pollution and moisture, making it ideal for outdoor environments.
• Compact and Lightweight: Suitable for installation in any position or direction.
• Low Maintenance: Requires only periodic cleaning of surface contaminants.
• Enhanced Safety: Secondary output terminals are sealed with a protective metal cover.

The JDZW-35 can handle short-circuit conditions for up to 1 second under rated voltage without damage, ensuring reliable operation and durability in harsh conditions. Its innovative design makes it a versatile solution for modern medium-voltage systems.

Type Designation for JDZW-35 Voltage Transformer

Key Features and Structure of JDZW-35 Voltage Transformers

• J: Voltage transformer.
• D: Single-phase.
• Z: Casting resin insulated.
• W: Fully enclosed design for outdoor applications.
• 35: Rated voltage for 35kV systems.

This designation highlights the JDZW-35 voltage transformer’s suitability for medium-voltage outdoor systems, featuring resin insulation, single-phase design, and durable construction for reliable 35kV performance.

Service Conditions for JDZW-35 Voltage Transformer

• Installation Location: Outdoor
• Altitude: Not exceeding: 1000m
• Ambient Temperature:
  • Maximum: +40°C
  • Minimum: -5°C
  • Daily Average: ≤30°C
• Atmospheric Conditions: Free from severe pollution.

Construction Details of JDZW-35 Voltage Transformer

The JDZW-35 voltage transformer features a fully enclosed structure, combining advanced design and high-quality materials to ensure durability and reliable performance:

1. Material and Core Design:
   • Built with high-quality cold-rolled silicon steel, the iron core undergoes strict heat treatment for enhanced performance.
   • Core and windings (primary and secondary) are vacuum-cast with outdoor-grade epoxy resin, providing excellent dirt and moisture resistance.
2. Primary and Secondary Terminals:
   • Primary Terminals: Marked as A and N.
   • Secondary Terminals: Include 1a, 1n, 2a, 2n, da, and dn, housed within a terminal box with multiple wiring outlets for easy and flexible connections.
3. Anti-Theft and Durability Features:
   • The terminal box is equipped with a secure metal cover to prevent unauthorized access, ensuring enhanced safety.
   • This design supports robust performance in outdoor conditions, improving system reliability and longevity.

The JDZW-35 voltage transformer is engineered to provide dependable performance in medium-voltage outdoor applications, with a focus on efficiency, safety, and long-term stability.

Technical Data for JDZW-35 Voltage Transformer

• nsulation Level: 40.5/95/200kV.
• Rated Voltage: 35kV.
• Frequency: 50Hz or 60Hz.
• Specifications: Refer to the table for voltage ratio, accuracy class, and secondary output.

Type	Rated Voltage Ratio (V)	Accuracy Class Combination	Rated Output (VA)	Max Output (VA)	Rated Insulation Level (kV)
JDZW-35	35000/100	0.2	75	1000	40.5/95/200
		0.5	100
JDZFW-35	35000/100/100	0.2/0.2	30/30	2 × 500
		0.2/0.5	30/60
		0.5/0.5	60/60
JDZXW-35	35000/√3/100/√3/100/3	0.2/6P	40/100	1000
		0.5/6P	80/100
		0.2/0.2/6P	20/20/100
JDZXFW-35	35000/√3/100/√3/100/3/100/3	0.2/0.5/6P	25/25/100	2 × 400
		0.5/0.5/6P	40/40/100

Note:

• Custom Requirements: Available upon request.
• For special standards or parameters, please contact us for further support and tailored solutions.

Installation Dimensions for JDZW PT

Wiring Principles for JDZW-35 PT

Ordering Guidelines and Special Requirements for JDZW-35 PT

This page provides an overview of the JDZW-35 voltage transformer, including its technical parameters, voltage ratios, and service conditions. Before placing an order, please confirm the required specifications and verify them with our technical team.

For special requirements, such as altitudes exceeding 2000m, specific voltage ratios, or precision levels, please contact our technical and commercial teams. We are here to assist you in finding the best solution tailored to your needs.

FAQs for JDZW-35 Voltage Transformer

1. What is the rated voltage of the JDZW-35 transformer? The JDZW-35 transformer is designed for 35kV outdoor power systems, offering high performance and reliability in medium-voltage applications.
2. How does the fully enclosed design improve performance? The fully enclosed design protects against external contaminants, ensuring long-term durability, and preventing damage from pollution, moisture, and other environmental factors.
3. What maintenance is required for the JDZW-35 transformer? The JDZW-35 transformer requires minimal maintenance, mainly periodic inspections to ensure cleanliness and operational integrity, with no need for frequent maintenance.
4. Can the JDZW-35 transformer be customized for specific needs? Yes, it can be customized for voltage ratios, accuracy classes, insulation levels, and special operational conditions to meet specific project requirements.
5. What are the environmental conditions suitable for this transformer? The JDZW-35 transformer is ideal for outdoor installations in regions with temperatures ranging from -5°C to +40°C, and an altitude of up to 1000m. It operates effectively in areas with a pollution level of up to Grade II.
6. How does the JDZW-35 provide protection in high-voltage applications? The JDZW-35 transformer offers excellent protection through its high insulation level, built-in fuse protection, and weather-resistant materials, making it ideal for use in high-voltage power systems.

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