JDZC-3, JDZC-6, JDZC-10 Indoor Semi-Sealed Voltage Transformers Overview

The JDZC Series Voltage Transformers are high-voltage, indoor semi-sealed transformers designed for power systems with rated voltages of 3kV, 6kV, and 10kV at 50Hz. These epoxy resin cast transformers ensure precise voltage measurement and energy metering, while also supporting circuit control and powering operational devices. Their durable design ensures reliable performance in demanding electrical environments.

JDZC-3, JDZC-6, JDZC-10 Semi-Sealed Cast Epoxy Resin Voltage Transformers is  Built to comply with the GB/T 208-2007 standard, the JDZC Series Voltage Transformers guarantees high accuracy, safe operation, and superior insulation. The semi-sealed construction offers enhanced protection against environmental factors, making them ideal for both indoor and industrial applications. The JDZC Series is an excellent choice for voltage regulation, energy monitoring, and relay protection, delivering consistent performance and operational safety.

JDZC-6 & JDZJC-10 Voltage Transformers – Model Designations

The Key Features and Structure of JDZC Voltage Transformer:

• J: Represents “Voltage Transformer.”
• D: Denotes “Single-phase” configuration.
• Z: Indicates “Epoxy resin cast insulation” for enhanced durability and environmental protection.
• C: Signifies the “Indoor semi-sealed” structure for reliable operation in enclosed environments.
• 3, 6, 10: Refers to the voltage grades (3kV, 6kV, 10kV) for different power system applications.

This JDZC-6 & JDZJC-10 model designation explains the JDZC Voltage Transformer, highlighting its epoxy resin cast insulation, single-phase configuration, indoor semi-sealed structure, and compatibility with various voltage levels, ensuring reliable and efficient performance in power systems.

Service Conditions for JDZJC-10 Voltage Transformers

• Type: Indoor installation.
• Altitude: Up to 1000 meters above sea level.
• Humidity: ≤ 85%.
• Ambient Temperature: -5°C to +40°C.
• Creepage Distance: Suitable for pollution level II.
• Installation Environment: Free from gases, steam, chemical deposits, and other explosive or corrosive substances that could impact the insulation of the transformer.

This summary ensures optimal performance and durability of the JDZJC-10 Voltage Transformers under standard operational conditions.

Construction Details of JDZC-3, 6, 10KV Voltage Transformers

The JDZC Series Voltage Transformers feature a fully insulated design. The primary winding terminals are evaluated based on full insulation standards and are positioned on either side of the casting body’s top. The transformer’s main components include the core, secondary winding, and primary winding, all of which are fully encapsulated in an epoxy resin cast body. This structure ensures stable electrical performance and excellent moisture resistance, making it ideal for reliable operation in various environmental conditions.

Technical Parameters of JDZC Voltage Transformers

JDZC-3.6.10 series voltage transformers, which are designed for high-precision voltage measurement and electric energy metering in power systems with rated voltages of 3kV, 6kV, and 10kV. The transformers boast accuracy classes of 0.2 and 0.5, ensuring reliable performance, stable measurements, and excellent insulation properties. Their robust design, featuring a range of secondary output configurations and rated insulation levels, makes them suitable for harsh electrical environments.

Type	Rated voltage ratio (V)	Accuracy class & rated output (VA)		Max output (VA)	Rated insulation level (kV)
		0.2	0.5
JDZC-3 JDZC-6 JDZC-10	3000/100/220 6000/100/220 10000/100/220	30/300	50/400	600	3.6/25/40 7.2/32/60 12/42/75
		30/400	50/500	800
		30/500	50/600	1000
		30/600	50/800	1200
		30/800	50/1000	1500
		30/1000	50/1200	2000
		30/1500	50/2000	3000

Customization and Support: We offer flexible customization options for the JDZC Series Voltage Transformers, including tailored voltage ratios, secondary output configurations, and insulation levels to meet specific operational and environmental needs.

Installation Dimensions for JDZC Voltage Transformers

JDZC Voltage Transformers 600A

 

JDZC Voltage Transformers 800-1200 VA

 

JDZC Voltage Transformers 1500-2000 VA

JDZC Voltage Transformers 2000-2500 VA

JDZC Voltage Transformers Principle diagram

JDZC-3, JDZC-6, JDZC-10 Voltage Transformers Principle diagram

JDZC Voltage Transformers Customization Options

Note: This page provides detailed information about the JDZC Voltage Transformers, including technical specifications, accuracy classes, and installation guidelines. To ensure you receive the ideal transformer for your needs, please provide the following details when placing an order or requesting a customized solution:

1. Type and Voltage Ratio:
   Specify the type (JDZC-3, JDZC-6, or JDZC-10) and the required voltage ratio to meet your power system specifications.
2. Accuracy Class and Secondary Output:
   Indicate the desired accuracy class (0.2 or 0.5) and the corresponding secondary output, based on your measurement and protection needs.
3. Insulation Class and Service Conditions:
   Clearly specify the insulation class (e.g., 3.6/25/40 kV for JDZC-3) and describe the environmental conditions (e.g., temperature, humidity, pollution level) to ensure optimal and safe performance.

For assistance with model selection or to explore tailored solutions, please contact our expert team for personalized support.

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