JSZV1-10R JSZV3-3.6.10R Epoxy Resin Cast Voltage Transformer Overview

The JSZV1-10R, JSZV2-6.10R, and JSZV3-10R are epoxy resin-insulated voltage transformers designed for medium-voltage systems with rated frequencies of 50Hz or 60Hz and voltage levels of 3kV, 6kV, and 10kV. These transformers are primarily used for energy metering, voltage measurement, and relay protection, ensuring accuracy and stability in indoor power systems. Key Features are below:

• Epoxy Resin Insulation: Provides superior electrical insulation and mechanical strength, ensuring reliable operation and durability under demanding conditions.
• Fully Enclosed Design: The compact, fully enclosed structure is ideal for indoor installations, offering space efficiency and protection from environmental factors like dust and moisture.
• Wide Application Range: Suitable for medium-voltage systems up to 10kV, with rated frequencies of 50Hz or 60Hz.
• Compliance with Standards: Manufactured in accordance with IEC186 and GB1207-2006, ensuring industry-standard performance and safety.
• Applications: The JSZV series voltage transformers are widely used in: Substations, Industrial power distribution systems, Energy metering and relay protection in medium-voltage networks

JSZV1-10R JSZV2-10R Voltage Transformers Type designation

• J: Voltage transformer
• S: Three phase
• Z: Casting Resin Insulated
• V: V-Type Connection
• 1, 2, 3: Design Sequence
• 3, 6, 10: Voltage Grade (kV)
• R: With Fusible Cutout

Example: JSZV1-10R: Model 1, 10kV epoxy resin voltage transformer. This naming structure clearly defines the insulation type, voltage rating, and model series for easy selection.

Service Conditions for JSZV1-10R JSZV2-10R Voltage Transformers

• Temperature: -5°C to +40°C
• Altitude: ≤1000m
• Humidity: ≤95% (non-condensing)
• Pollution Level: Class II
• Installation: Indoor, vertical mounting

These JSZV1-10R JSZV2-10R Voltage Transformers ensure reliable performance for voltage measurement, metering, and relay protection in standard operating conditions.

Construction Details of JSZV1-10R JSZV2-10R Voltage Transformers

The JSZV1-10R and JSZV2-10R voltage transformers are advanced, epoxy resin insulated devices designed for medium-voltage systems. Their innovative construction ensures high durability, reliable performance, and enhanced safety for power distribution networks.

Key Construction Features

• Primary Winding with Fusible Cutout Protection: The primary winding integrates a fusible cutout for overload and short-circuit protection. The fusible cutout is housed within the primary terminal, simplifying replacement and improving maintenance efficiency.

• Epoxy Resin Insulation: The transformers feature fully enclosed epoxy resin insulation, providing excellent dielectric properties, mechanical strength, and protection against moisture, dust, and pollution.

• Secondary Winding: The secondary winding outputs standard voltages of 100V, 110V, or 220V, enabling accurate voltage measurement and providing reliable power for measuring instruments and operating machinery.

• Compact and Fully Enclosed Design: The space-saving design ensures easy installation and integration into indoor environments, while its enclosed structure enhances safety and operational stability.

• High Short-Circuit Tolerance: The fusible cutout matches the transformer’s short-circuit force, preventing damage and ensuring system protection during faults.

Technical Parameters of JSZV1, JSZV2, JSZV3-10R Voltage Transformers

• Compliant with GB20840.3-2013 and GB20840.1-2010 standards.
• Meets partial discharge test conditions as per GB20840 requirements.
• Equipped with fusible cutout:
  • Type: XRNP□-12
  • Current Rating: 0.2A
  • Breaking Capacity: 50kA

 

Notes:

• Customization: We offer custom specifications and high-accuracy options for JSZV1, JSZV2, and JSZV3-10R voltage transformers to meet specific user requirements.
• Single Ratio Operation: These transformers are designed to operate on one specified voltage ratio at a time for optimal performance. Simultaneous use of multiple ratios is not supported.

For further details or special requests, please contact our technical team.

Outline and Dimensions of Installation

The wiring diagram

 

Notes: Before placing an order, please ensure the following details are specified to meet your requirements for JSZV1-10R, JSZV2-10R, and JSZV3-10R Voltage Transformers:

Type and Voltage Ratio: Specify the model (e.g., JSZV1-10R, JSZV2-10R) and the voltage ratio (e.g., 10000/3 / 100/3 / 100/3).

Accuracy Class and Rated Output: Indicate the desired accuracy class (e.g., 0.2, 0.5) and the rated output (e.g., 75VA, 120VA).

Insulation Level and Operating Conditions: Provide the rated insulation level (e.g., 12/42/75kV) and operating conditions, including:

• Ambient temperature range
• Humidity levels
• Pollution class

Contact us for expert guidance, technical support, and customized solutions tailored to your specific needs.

FAQs for JSZF-10 Voltage Transformers

1. What are the primary applications of JSZF-3, 6, 10 voltage transformers?
   These transformers are designed for voltage measurement, relay protection, and energy metering in medium-voltage systems with frequencies of 50Hz or 60Hz.
2. What standards do the JSZF series voltage transformers comply with?
   The JSZF series meets GB/T20840.1, 3 and IEC61869-1, 3 standards, ensuring high-quality and reliable performance.
3. What are the typical service conditions for JSZF voltage transformers?
   The transformers are designed for indoor use, operating within an ambient temperature range of -5°C to +40°C and at altitudes up to 1000 meters.
4. Can the JSZF voltage transformers be customized?
   Yes, customization options include tailored voltage ratios, accuracy classes, and insulation levels to meet specific application requirements.
5. What is the insulation level of the JSZF-10 voltage transformer?
   The JSZF-10 transformer features an insulation level of 12/42/75kV, providing robust performance in medium-voltage applications.
6. How do the JSZF voltage transformers ensure safety?
   The transformers feature epoxy resin insulation and a semi-enclosed structure, minimizing exposure to electrical hazards and ensuring stable, reliable operation.

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