Product Overview
The JDZW3-10R voltage transformer is an outdoor epoxy resin cast type measurement device designed for 10kV medium-voltage distribution systems. This single-phase voltage transformer features advanced epoxy resin insulation technology with dual secondary windings, providing both metering and power supply outputs in a compact design.
The JDZW3-10R delivers precise voltage measurement for protection and metering applications with 0.2/0.5 accuracy classes. The dual secondary configuration offers 100V output for metering/monitoring (1a-1b) and 100/200/220V output for power supply (2a-2b), with 750VA maximum output. The epoxy resin cast construction ensures maintenance-free operation while providing superior insulation performance with 12/40/75kV insulation level.
Product Display
Application Position
The JDZW3-10R is installed in outdoor switchgear, substations, and distribution networks where reliable voltage measurement and auxiliary power supply are required. The epoxy resin insulation provides excellent moisture resistance and UV protection for long-term outdoor operation.
Main Applications
- 10kV outdoor distribution networks
- Substations requiring voltage measurement and auxiliary power
- Industrial facilities with medium-voltage supply
- Protection relay voltage input
- Power quality monitoring and metering
- Applications requiring dual secondary outputs
Application Case Studies
Application Scenario 1: Substation Metering and Protection
Utilities deploy the JDZW3-10R epoxy resin voltage transformer in 10kV substations for both protection relay input and energy metering. The dual secondary design provides separate outputs for metering (100V) and protection devices, ensuring accurate measurement while maintaining system reliability.
Application Scenario 2: Industrial Power Supply
Industrial facilities with 10kV incoming supply require accurate voltage measurement and auxiliary power for control circuits. The JDZW3-10R offers 100/200/220V power supply output with 500VA rated capacity, meeting diverse industrial power requirements.
Application Fit
Suitable For
- Outdoor 10kV voltage measurement
- Substations with dual output requirements
- Industrial facilities requiring auxiliary power
- Power quality monitoring applications
- Protection and metering systems
- Environments requiring maintenance-free operation
Not Recommended For
- Indoor-only compact switchgear applications
- Current measurement applications (use CT instead)
- High-voltage systems above 12kV
- Applications requiring single secondary output only
Installation Conditions
- Installation position: Outdoor switchgear, substations, or distribution points
- Ambient temperature: -5°C to +40°C
- Altitude: ≤ 1000m (standard)
- Insulation: Epoxy resin cast
- Frequency: 50Hz or 60Hz
- Maintenance: Minimal maintenance required
Technical Parameters
The JDZW3-10R is an outdoor epoxy resin cast voltage transformer for 10kV systems. Operating temperature -5°C to +40°C, compliant with GB20840.3-2013 and IEC61869-3:2011. Features dual secondary windings for metering and power supply.
VT Data
| Secondary Winding |
Output Voltage |
Accuracy Class |
Rated Capacity |
Max Output (VA) |
|---|---|---|---|---|
| 1a-1b (Metering) |
100 V | 0.2 / 0.5 | 10 / 60 VA | 750 |
| 2a-2b (Power Supply) |
100/200/220 V | – | 500 VA |
Rated Voltage: 10000V
Insulation Level: 12/40/75 kV
Weight: 33 kg
Installation
Dimension Reference
| View | Key Dimensions |
Application Note |
|---|---|---|
| Front View | Height 451mm; Top width 250mm; Base 350mm | Two insulators at 14° angle |
| Side View | Width 250mm; Ø175mm | Profile with mounting brackets |
| Top View | 220 x 170 x 150mm | Mounting hole layout |
Wiring Diagram
[Wiring diagram to be added]
Installation Guidelines
- Install in outdoor switchgear or substation with adequate ventilation
- Connect primary terminal A to voltage system through fuse
- Connect primary terminal B to system ground
- Connect secondary terminals 1a-1b to metering devices
- Connect secondary terminals 2a-2b to power supply circuits
- Connect terminal 2b to ground
- Verify voltage ratio matches system requirements before commissioning
Dual Secondary Features
The JDZW3-10R incorporates dual secondary winding technology including:
- Separate 100V output for precision metering and monitoring
- 100/200/220V output for auxiliary power supply
- 500VA rated capacity for power supply applications
- Independent circuits for enhanced system reliability
Epoxy Resin Features
The JDZW3-10R incorporates advanced epoxy resin technology including:
- Excellent moisture resistance for outdoor operation
- UV protection for long-term weather exposure
- Superior insulation performance with 12/40/75kV level
- Maintenance-free construction eliminating periodic inspection
Standards
The JDZW3-10R epoxy resin voltage transformer complies with GB20840.3-2013 and IEC61869-3:2011 for voltage transformers, ensuring compatibility with both Chinese and international standards for medium-voltage measurement applications.
Selection Guide
Select by system voltage: JDZW3-10R is designed for 10kV systems with 12/40/75kV insulation level.
Select by accuracy class: Use 0.2 for high-precision metering or 0.5 for standard metering.
Select by output requirements: Choose based on metering (100V) and power supply (100/200/220V) needs.
Ordering Information
When ordering the JDZW3-10R epoxy resin voltage transformer, please specify:
- Model: JDZW3-10R
- System voltage: 10kV
- Accuracy class: 0.2 or 0.5
- Rated output: 10 or 60 VA (metering), 500 VA (power supply)
- Frequency: 50Hz or 60Hz
- Installation type: Outdoor
- Quantity