Overview 

The RZL-10 and JDZ10-3, 6, 10A(B) Voltage Transformers are single-phase devices designed with a fully cast epoxy resin insulation and a completely sealed structure. Featuring a compact, lightweight design, these transformers integrate the core and winding into one unit, ensuring enhanced durability and reliability. They are specifically engineered for voltage measurement, energy metering, voltage monitoring, and relay protection in power systems.

RZL-10, JDZ10 Single-Phase Epoxy Resin Voltage Transformers, are suitable for use in 3kV, 6kV, or 10kV power systems and support rated frequencies of 50Hz or 60Hz. The RZL-10 and JDZ10 series comply with IEC 186 and GB1207-2006 standards, ensuring exceptional performance and reliability.

Type designation RZL-10, JDZ Voltage Transformers

The Key Features and Structure of RZL-10 & JDZ10-3.6.10 Voltage Transformers:

• J: Represents “Voltage Transformer”
• D: Denotes “Single-phase” configuration
• Z: Indicates “Epoxy resin cast insulation” for enhanced durability
• 3, 6, 10: Refers to the voltage grades (3kV, 6kV, 10kV)

This designation highlights the epoxy resin insulation, fully enclosed structure, and compatibility with multiple voltage grades, ensuring reliable performance.

Wriring diagram of single phase line ,             Wriring diagram of three phase line

Service Conditions for RZL-10, JDZ10-3.6.10 Voltage Transformers

• Altitude: Up to 3000 meters above sea level.
• Ambient Temperature: Not exceeding +40°C and not lower than -5°C.
• Relative Humidity: Maximum of 65% at 20°C.
• Pollution Level: Suitable for pollution level II.
• Installation Environment: No corrosive gases present in the surroundings.

This summary ensures optimal performance and durability of the RZL-10, JDZ10-3.6.10 Voltage Transformers under standard operational conditions.

Construction Details of RZL-10, JDZ10-3.6.10 Voltage Transformers

RZL-10, JDZ10-3.6.10 Voltage Transformers are epoxy resin cast-insulated and fully enclosed, with the primary and secondary windings and iron core cast together, making them compact and lightweight. They are typically designed with a single-phase double-winding structure, which allows for either single-phase or three-phase use when the insulation levels at both ends are the same. The key technical requirement is ensuring the necessary accuracy class.

Technical Parameters of JDZ10-3.6.10 Voltage Transformers

• Standards: Complies with GB20840.3-2013, GB20840.1-2010 “Voltage Transformer” standards.
• Load Power Factor: COSϕ = 0.8 (lagging).
• Creepage Distance: Meets the requirements for pollution level II.
• Other Technical Parameters: Refer to the table below.

Type	Rated Voltage Ratio (V)	Frequency (Hz)	Accuracy Class and Rated Output (VA)				Limit Output (VA)	Rated Insulation Level (kV)	Remark
			0.2	0.5	1	6P
JDZ10-3A	3000/100	50.6	150	30	60		150	3.6/25/40	Same as RZL10
JDZ10-6A	6000/100		15	30	60		150	7.2/32/60
JDZ10-10A	10000/100		15	30	60		150	12/42/75
JDZ10-3B	3000/100		25	50	90		300	3.6/25/40
JDZ10-6B	6000/100		25	50	90		300	7.2/32/60
JDZ10-10B	10000/100		25	50	90		300	12/42/75
JDZx10-3AG	3000/√3/100/√3/100/3			40	60	50	150	3.6/25/40
JDZx10-6AG	6000/√3/100/√3/100/3			40	60	50	150	7.2/32/60
JDZx10-10AG	10000/√3/100/√3/100/3			40	60	50	150	12/42/75
JDZx10-3BG	3000/√3/100/√3/100/3			40	90	50	400	3.6/25/40
JDZx10-6BG	6000/√3/100/√3/100/3			50	90	50	400	7.2/32/60
JDZx10-10BG	10000/√3/100/√3/100/3			50	90	50	400	12/42/75

Outline and Dimensions of Installation

RZL-10 JDZ10-3.6.10A(B) voltage transformers Outline and Dimensions of Installation

Customization Options

This section provides detailed information on customization for RZL-10 and JDZ10-3.6.10A(B) voltage transformers, including technical requirements and specifications. To ensure you receive a product that fits your specific application, please provide the following details when placing an order or requesting customization:

1. Type and Voltage Ratio
   Specify the model type (RZL-10, JDZ10-3.6.10A, JDZ10-3.6.10B) along with the required voltage ratio to match your power system requirements.
2. Accuracy Class and Secondary Output
   Indicate the desired accuracy class (0.2, 0.5, or 1) and the required secondary output (in VA) based on your measurement and protection needs.
3. Insulation Class and Environmental Conditions
   Specify the insulation class (e.g., 3.6/25/40 kV, 7.2/32/60 kV) and provide details about service conditions such as temperature, humidity, and pollution level to ensure optimal performance and reliability.
4. Special Features or Additional Requirements
   Include any additional features or special requirements, such as grounding options or auxiliary winding needs, for a more tailored solution.

For assistance with product selection or to explore customized solutions, please contact our expert team for dedicated support.

FAQs for JDZ10-3.6.10 Voltage Transformers

1. What voltage ratings are available for the JDZ10-3.6.10 voltage transformers?
   The JDZ10 series is available for 3kV, 6kV, and 10kV systems, making it suitable for a wide range of power applications.
2. What is the accuracy class of the JDZ10-3.6.10 transformers?
   The transformers are available with accuracy classes of 0.2, 0.5, and 1, ensuring precise voltage measurement and reliable energy metering.
3. Can the JDZ10-3.6.10 be customized for specific needs?
   Yes, the JDZ10 transformers can be customized with different voltage ratios, insulation classes, and secondary outputs to meet the specific needs of your power system.
4. What maintenance is required for the JDZ10-3.6.10 voltage transformers?
   The JDZ10 series requires minimal maintenance, with periodic checks for cleanliness and verification of operational integrity, ensuring long-term reliability.
5. What environments are the JDZ10-3.6.10 transformers suitable for?
   These transformers are suitable for indoor applications with temperature ranges from -5°C to +40°C and pollution levels up to Class II.
6. How does the epoxy resin construction benefit the JDZ10-3.6.10 voltage transformers?
   Epoxy resin casting provides excellent insulation, moisture resistance, and protection against environmental factors, ensuring reliable performance in demanding conditions.

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