Previous
Next
JDZX9-35 35kV Epoxy Cast Voltage Transformer for Outdoor Applications
Precision Voltage Sensing for 35kV Substations and Overhead Lines
The JDZX9-35 is a single-phase epoxy-resin cast voltage transformer specifically engineered for outdoor medium-to-high voltage systems up to 35kV. Designed to provide accurate voltage measurement for metering and relay protection, this model features enhanced insulation strength, superior environmental resistance, and a compact footprint ideal for pole-mount or substation installations.
It fully complies with IEC 61869-3 and GB/T 20840.3, making it suitable for global utility and industrial power networks.
🔧 Key Features
Rated primary voltage: 35kV
Single-phase outdoor design
Epoxy resin cast insulation, maintenance-free
Class 0.2 / 0.5 accuracy for metering
Robust core for protection circuits
Compact size, pole or base mounted
IEC / GB standards compliance
📐 Technical Specifications
| Parameter | Value |
|---|---|
| Model | JDZX9-35 |
| Rated Voltage | 35kV |
| Frequency | 50Hz / 60Hz |
| Accuracy Class | 0.2 / 0.5 / 3P |
| Secondary Voltage | 100V or customized |
| Thermal Withstand | 1.2×Un continuous |
| Insulation Level | 40.5/95/185kV |
| Housing Material | Outdoor-grade epoxy resin |
| Partial Discharge | ≤10pC @ 1.2Un |
| Standards | IEC 61869-3, GB/T 20840.3 |
🔌 Application Scenarios
35kV overhead line measurement poles
Outdoor primary substations in utility grids
Industrial HV control cabinets
Renewable energy grid interconnection
High-accuracy metering for energy billing or SCADA systems
🧩 Unique Advantages
All-weather performance with UV and humidity-resistant insulation
Compact, cast design allows mounting on small steel structures
Improved voltage stability across temperature and loading ranges
Zero oil or gas, reducing maintenance risks and environmental hazards
Suitable for both new construction and retrofit systems
💬 Verified Customer Feedback
🗣️ Jacob T., Senior Engineer – Terna S.p.A, Italy
“JDZX9-35 provided excellent accuracy on our 35kV renewable feeder interconnects. Compact and easy to commission.”
📌 Source: Terna Grid Modernization Report, 2022
🗣️ Emily R., Transmission Engineer – Entergy, USA
“We’ve been using this model in harsh weather. Its cast insulation shows no degradation even in storm-prone areas.”
📌 Source: Entergy Outdoor Equipment Assessment, 2023
🗣️ Ahmed K., Procurement Manager – DEWA, UAE
“Reliable and simple to install. No oil leakage worries or glass components to break.”
📌 Source: DEWA Substation Upgrade Procurement Review, 2023
🗣️ Michael F., Utility Consultant – Hydro Tasmania
“Great for compact installations on transformer poles. Our team appreciates the plug-and-play wiring terminals.”
📌 Source: Hydro Tasmania Field Trials, Q4 2022
🗣️ Sophie W., Substation Planner – ScottishPower, UK
“Solid performance over 3 years of operation with minimal drift. Voltage stability has been excellent.”
📌 Source: ScottishPower Substation Asset Health Report, 2023
❓ Frequently Asked Questions
• Is JDZX9-35 suitable for metering and protection simultaneously?
Yes. Dual-winding models are available for simultaneous measurement and relay input.
• Does it require regular maintenance?
No. The solid cast-resin body is fully sealed and maintenance-free.
• Can it be used in coastal or polluted environments?
Yes. The insulation and shed design resist salt spray, dust, and acid rain.
• Are customized voltage ratios available?
Absolutely. We offer tailored primary/secondary voltage ratios for different grid needs.
• Does it ship with test reports?
Each unit includes type tests and routine test certificates per IEC 61869 and GB/T 20840 standards.
📞 Contact Technical Support
Thor – Electrical Engineer, Wei Shoe Elec
📞 Tel: +86-0577-62788197
📱 WhatsApp: +86 159 5777 0984
📧 Email: [email protected]
Looking for a compact and reliable 35kV outdoor voltage transformer? The JDZX9-35 is trusted by utilities across Europe, Asia, and the Americas.
