JDZ9-20, JDZ(X)F9-20G indoor Epoxy Resin Voltage Transformers
JDZ9-20, JDZ(X)F9-20G indoor Epoxy Resin Voltage Transformers Overview The JDZ9-20 and JDZ(X)F9-20G voltage transformers are epoxy resin vacuum-cast, fully enclosed devices designed for indoor power systems, with a rated frequency of 50Hz and rated voltage up to 20kV. They provide accurate voltage measurement, energy metering, and relay protection, offering excellent electrical insulation, mechanical strength, and […]
JDZ9-20, JDZ(X)F9-20G indoor Epoxy Resin Voltage Transformers Overview
The JDZ9-20 and JDZ(X)F9-20G voltage transformers are epoxy resin vacuum-cast, fully enclosed devices designed for indoor power systems, with a rated frequency of 50Hz and rated voltage up to 20kV. They provide accurate voltage measurement, energy metering, and relay protection, offering excellent electrical insulation, mechanical strength, and durability. Ideal for substations and industrial applications, these transformers ensure reliable performance and long-term stability in medium-voltage systems.
JDZ9-20 Voltage Transformers Type designation
The Key Features and Structure of JSZV1-10R JSZV2-10R Voltage Transformers:
- J: Voltage Transformer
- D: Single-phase design
- Z: Casting resin insulated
- X: With residual voltage winding
- F: Measurement and monitoring winding separation
- 9: Design sequence
- 20: Voltage grade, rated for 20kV
- (G): All insulation
This naming system clearly identifies the transformer’s design and features for 20kV voltage systems.
JDZ9-20 Voltage Transformers Service condition
- Rated Voltage: 20kV
- Ambient Temperature: -5°C to +40°C
- Altitude: ≤1000 meters
- Humidity: Relative humidity ≤95% (non-condensing)
- Pollution Level: Class II
- Installation: Indoor, vertical mounting
The JDZ9-20 voltage transformer is designed for reliable performance in standard medium-voltage power systems.
JDZ9-20 Voltage Transformers Technical Parameters
Technical Specification Table for DZ9-20 and JDZ(X)F9-20G Voltage Transformers”
| Product Model | Rated Voltage Ratio (V) | Accuracy Class Combination | Rated Output (VA) | Maximum Output (VA) | Rated Insulation Level (KV) |
|---|---|---|---|---|---|
| JDZ29-20 | 20000/100 20000/100/220 | 0.2 | 20 | 600 | 24/65/125 |
| 0.5 | 50 | ||||
| JDZF9-20 | 20000/100/100 | 0.2/0.5 | 20/20 | 2×300 | |
| 0.2/0.5 | 20/30 | ||||
| 0.5/0.5 | 30/30 | ||||
| JDZX9-20G | 20000/√3/100/√3/100/3 | 0.2/6P | 20/100 | 600 | |
| 0.5/6P | 50/100 | ||||
| JDZXF9-20G | 20000/√3/100/√3/100/√3/100/3 | 0.2/0.2/6P | 20/20/100 | 2×300 | |
| 0.2/0.5/6P | 20/30/100 | ||||
| 0.5/0.5//6P | 30/30/100 |
Note: For special requirements, such as customized voltage ratios, accuracy classes, or other technical specifications for the JDZ9-20 voltage transformers, please contact our technical team. We offer tailored solutions to ensure optimal performance for your medium-voltage systems.
Outline and Dimensions of Installation
Principle diaram of JDZ9-20 Voltage Transformers
Note: This page includes key details about the JDZ9-20 indoor Voltage Transformer, such as its specifications, accuracy, and service conditions. If you have specific requirements, like a custom voltage ratio or accuracy class, please get in touch with our technical team. We’re here to help you find the best solution for your needs.
FAQs for JDZ9-20 Voltage Transformer
- What are the key applications of the JDZ9-20 Voltage Transformer?
The JDZ9-20 transformer is ideal for energy metering, voltage monitoring, and relay protection in 20kV indoor power systems, particularly in substations, industrial facilities, and power distribution networks. - How does the epoxy resin insulation improve the transformer’s performance?
Epoxy resin provides superior protection against environmental factors such as moisture, UV exposure, and aging, ensuring long-lasting performance and reduced maintenance needs. - Can the JDZ9-20 transformer be customized for specific needs?
Yes, the JDZ9-20 offers flexible customization options for voltage ratios, accuracy classes, and secondary windings, making it adaptable for diverse operational requirements. - What maintenance is required for the JDZ9-20 Voltage Transformer?
The JDZ9-20 requires minimal maintenance, primarily periodic inspections for cleanliness, operational integrity, and verifying the functionality of safety components like zinc oxide arresters. - How does the JDZ9-20 ensure safety in high-voltage applications?
The transformer features built-in safety features such as short-circuit protection, zinc oxide arresters for lightning protection, and compliance with international standards to ensure safe operation in demanding environments. - Why choose the JDZ9-20 Voltage Transformer over traditional models?
Its advanced epoxy resin insulation, multiple secondary winding options, compliance with international standards, and suitability for harsh indoor environments make it a reliable and efficient choice for modern high-voltage systems.
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