JDZX9-10G and JDZX(F)9-10G Voltage Transformers Overview

The JDZX9-10G and JDZX(F)9-10G Voltage Transformers are single-phase, dual-coil, fully enclosed, epoxy resin-insulated indoor products. Designed with a compact, fully enclosed structure, these transformers are ideal for installation in high-voltage switchgear. They operate at rated frequencies of 50Hz or 60Hz and support power systems with voltages of 10kV (or 6kV) and below, ensuring accurate voltage measurement, power metering, and relay protection.

JDZ9-10 JDZX(F)9-10G Voltage Transformers Type designation

The Key Features and Structure of JDZX9-10G & JDZX(F)9-10G Voltage Transformers

• J: Voltage Transformer.
• D: Single-phase design.
• Z: Epoxy resin insulation for durability.
• X: Separation of measuring and monitoring windings.
• F: Residual voltage winding.
• 9-10: Voltage grade (10kV or below).
• G: Suitable for high-voltage switchgear.

These transformers offer compact, durable, and reliable solutions for modern power systems.

Service Conditions for JDZX9-10G Voltage Transformers

The JDZX9-10G Voltage Transformers are designed to operate under the following conditions:

1. Altitude: Not exceeding 1000 meters above sea level (or customizable for higher altitudes).
2. Ambient Temperature: Operating range from -5°C to +40°C.
3. Humidity: Relative humidity not exceeding 85% at 20°C.
4. Pollution Level: Complies with Grade II or III pollution standards.
5. Installation Environment: Suitable for indoor use, free from corrosive gases and heavy dust.
6. Frequency: Operates at a rated frequency of 50Hz or 60Hz.

These conditions ensure reliable performance and durability in various high-voltage power systems.

Construction Details of JDZX9-10G Voltage Transformers

The JDZX9-10G Voltage Transformers are designed with the following key construction features:

1. Pillar-Type Structure: This series of voltage transformers adopts a robust pillar-type structure, ensuring stability and reliability in operation.
2. Epoxy Resin Fully Enclosed Casting: The transformers are cast with high-quality epoxy resin, offering excellent resistance to pollution, moisture, and tropical conditions.
3. Low Maintenance: Designed for minimal maintenance, requiring only periodic cleaning of surface contaminants to maintain optimal performance.
4. Secondary Terminal Box: Equipped with a terminal box at the secondary outlet, featuring holes on the front and side for convenient and safe cable routing.
5. Easy Installation: The base plate includes four mounting holes to facilitate secure and hassle-free installation.

These features ensure the JDZX9-10G Voltage Transformers provide precise voltage measurement, energy metering, and reliable relay protection in the power systems.

Technical Parameters of JDZX9-10G Voltage Transformers

• Partial Discharge: Complies with GB1207-1997 standards.
• Creepage Distance: Meets Grade II pollution level requirements.
• Power Factor: COSφ = 0.8 (lagging).
• Other Specifications: Refer to the table for voltage ratios and accuracy classes.

Type	Rated Voltage Ratio (V)	Accuracy Clas and Rated Output (VA)				Limit Output   (VA)	Rated Insulation Level (kV)
		0.2	0.5	1	6P
JDZ9-10	10000/100	30	100	200		600	12/42/75
JDZ9-6	6000/100						7.2/32/60
JDZ9-3	3000/100						3.6/25/40
JDZF9-10	10000/100/100	20	20	80		2 × 300	12/42/75
JDZF9-6	6000/100/100						7.2/32/60
JDZF9-3	3000/100/100						3.6/25/40
JDZX9-10G	10000/√3/100/√3/100/3	20	30	100	100	500	12/42/75
JDZX9-6G	6000/√3/100/√3/100/3						7.2/32/60
JDZX9-3G	3000/√3/100/√3/100/3						3.6/25/40

Notes:

1. Custom specifications or high-accuracy products can be manufactured according to user requirements.
2. During operation, this voltage transformer can only use one specified ratio at a time. Multiple ratios cannot be used simultaneously.

JDZX9-10G Voltage Transformers Outline and Dimensions of Installation

JDZ9-10G voltage transformers outline and installation

JDZX9-10G Voltage Transformers Principle Diaram

JDZ9-3, JDZ9-6, JDZ9-10 Type voltage transformers

JDZX9-3, JDZX9-6, JDZX9-10 Type voltage transformers

JDZX9 series Voltage Transformers Customization Options

To ensure the JDZ9-10 and JDZX9-10 series meet your requirements, please provide:

1. Type and Voltage Ratio: Specify the model (e.g., JDZ9-10 or JDZX9-10G) and voltage ratio (e.g., 10000/100 or 10000/√3/100/√3/100/3).
2. Accuracy Class and Output: Indicate the desired accuracy class (e.g., 0.2, 0.5) and rated output.
3. Insulation and Conditions: Provide insulation level (e.g., 12/42/75 kV) and operating conditions (e.g., temperature, humidity, pollution level).

Contact us for expert guidance and customized solutions.

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