530KN High Voltage Porcelain Insulator with 650mm Creepage Distance for 750kV Transmission Lines
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Brand:
HIVOLT
Product Description
530KN High Voltage Porcelain Insulator for 750kV Transmission Lines
Technical Specifications
| Specification | Unit | Value |
|---|---|---|
| Spacing | mm | 240 |
| Shed Diameter | mm | 380 |
| Creepage Distance | mm | 650 |
| Coupling Size | - | 32 |
| Rated Mechanical & Electrical Strength | KN | 530 |
| Impact Strength | N.m | 10 |
| Power Frequency Withstand Voltage - Dry | KV | 90 |
| Power Frequency Withstand Voltage - Wet | KV | 55 |
| Lightning Impulse Withstand Voltage - Positive | KV | 135 |
| Lightning Impulse Withstand Voltage - Negative | KV | 135 |
| Puncture Voltage | KV | 130 |
| RIV Test Voltage to Ground | KV | 10 |
| Max RIV at 1 MHz | μV | 50 |
Premium Construction Materials
- High-Density Ductile Iron Caps: Each piece tested with magnetic powder inspection method
- Forged Steel Pins: 32mm diameter with hot-dip galvanized surface coating
- High Aluminum Porcelain Shell: C130 grade with protective glaze coating
- Custom Color Options: Available in grey, brown, or white per customer requirements
Comprehensive Quality Testing
Routine Testing (Every Unit)
- Tension load strength test: 50% of rated mechanical strength for 1 minute
- High voltage flashover test to identify defective units
Sample Testing (Each Batch)
- Visual inspection and dimensional verification
- Temperature cycle testing
- Mechanical and electrical failing load tests
- Puncture voltage testing
- Zinc coating thickness measurement
Applications
Suitable for tension string or suspension string applications in high-voltage power transmission lines including 500kV, 750kV, and 1000kV systems. Widely used and accepted by national utility providers.
Quality Guarantee & Performance
- 2-Year Quality Guarantee: Comprehensive warranty on all units
- Proven Reliability: Field data shows failure rate less than 1 per 100,000 units
- Zero Defect Commitment: Every unit thoroughly tested before shipment
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dalian Hivolt Power System Co.,Ltd.
Location
No.2804, 75 Huili Street , Ganjingzi District, Dalian China
Contact Person
Canning