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10-35kV Current Transformer
10-35kV Voltage Transformer
Iron Cores Series
Product Overview
The JDZ(X)9-35(G) is a single-phase, epoxy resin-cast, fully enclosed voltage transformer designed for 35kV indoor power systems. It is engineered for accurate voltage transformation, energy metering, and relay protection in substations, switchgear, and distribution panels. Compliant with GB/T20840.1, GB/T20840.3, and IEC 61869-1, 3 standards, this product ensures reliable performance in ambient temperatures ranging from -5°C to +40°C.
Key Features
- Insulation:Epoxy resin cast, fully enclosed, all-insulation design
- Residual Voltage Winding:Available in JDZX models for enhanced protection
- Rated Frequency:50–60Hz
- Rated Insulation Level:5/95/200 kV
- Accuracy Classes:2, 0.5, 1.0 for metering; 3P, 6P for protection
- Customizable Burdens:Up to 2000VA for specific project requirements
Technical Specifications
General Parameters
| Parameter | Specification |
| Rated Frequency | 50–60Hz |
| Ambient Temperature | -5°C to +40°C |
| Standards | GB/T20840.1, GB/T20840.3, IEC 61869-1, 3 |
| Rated Insulation Level | 40.5/95/200 kV |
| Type | Single-phase, epoxy resin cast |
Model-Specific Data
| Model | Rated Voltage Ratio (V) | Accuracy Class & Burden (VA) | Max Output (VA) | Wiring Diagram |
| JDZ9-35 | 35000/100 | 0.2–60, 0.5–120, 1–200 | 800 | Figure 1-2 |
| JDZ9-35 | 35000/220 | 3–100 | 2000 | Figure 1-2 |
| JDZ9-35 | 35000/100/100 | 0.2/0.2–30/30, 0.2/0.5–30/30, 0.5/0.5–60/60, 0.2/3–60/1000, 0.5/3–120/1000 | 500/500 | Figure 3-4 |
| JDZ9-35 | 35000/100/220 | 0.5/3–120/1000 | 800/2000 | Figure 3-4 |
| JDZX9-35G | 35000/100/100/100 | 0.2/6P–30/100, 0.5/6P–60/100, 1/6P–100/100 | 600 | Figure 5 |
| JDZX9-35G | 35000/100/100/100 | 0.2/0.2/6P–15/20/100, 0.2/0.5/6P–15/50/100, 0.5/0.5/6P–30/50/100 | 300/300 | Figure 6 |
Applications
- Power Distribution:35kV indoor substations, switchgear, and distribution panels
- Metering & Billing:Accurate energy measurement for commercial and industrial power consumers
- Protection Systems:Provides input signals for overvoltage, undervoltage, and differential protection relays
- Residual Voltage Protection:JDZX models with residual voltage winding for enhanced system safety
Why Choose ZHIKAI JDZ(X)9-35(G)?
- Precision & Reliability:Industry-leading accuracy classes ensure reliable billing and system monitoring.
- Robust Design:Epoxy resin casting provides excellent resistance to moisture, pollution, and electrical stress.
- Compliance:Fully compliant with international and national standards for safe and reliable operation.
- Customization:Tailored solutions for voltage ratios, accuracy classes, and burdens to meet project requirements.
- Global Support:Backed by ZHIKAI’s technical expertise and after-sales service network.
FAQs
Q: What is the difference between JDZ9-35 and JDZX9-35G models?A: JDZX9-35G models include a residual voltage winding, providing additional protection capabilities compared to the standard JDZ9-35.
Q: Can this transformer be used outdoors?A: The JDZ(X)9-35(G) is designed for indoor applications. For outdoor use, please contact our sales team for suitable alternatives.
Q: What is the lead time for orders?A: Standard lead time is 15–30 days. For urgent orders, we can discuss expedited options.
Call to Action
Ready to enhance your 35kV power system with reliable voltage transformation? Request a quote today or contact our technical sales team to discuss your specific requirements.
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