1. Key Selection Criteria
1.1 Electrical Specifications
• Rated Voltage: Match with your system voltage (e.g., 480V, 600V, 690V)
• Capacitance Range: Standard offerings from 5kvar to 100kvar per unit
• Frequency: 50/60Hz compatibility
1.2 Performance Parameters
✓ Loss Tangent: <0.15W/kvar for premium efficiency
✓ Temperature Class: -40°C to +70°C operation range
✓ Service Life: ≥150,000 hours with <2% annual capacitance degradation
1.3 Safety & Compliance
• Certifications: UL 810, IEC 60831-1, GB/T 12747
• Protection: Overpressure disconnector, self-healing dielectric
2. Configuration Guidelines
2.1 Installation Types
• Vertical Mounting: Standard for natural convection cooling
• Horizontal Rack: Available for space-constrained installations
2.2 System Integration
• Parallel connection options for capacity expansion
• Optional discharge resistors (1MΩ/3min)
3. Why Choose ZHIMING Cylinder Capacitors?
3.1 Advanced Technology
• Patented edge-wound film technology
• Nitrogen-filled aluminum casing
3.2 Reliability Features
• 100% factory testing including:
- 2.5Un overvoltage test
- 1000V insulation resistance test
3.3 Custom Solutions
• Special terminal configurations
• Custom capacitance tolerances (±3% to ±10%)
4. Procurement Checklist
□ Required quantity with spare units (recommend 10% spare ratio)
□ Delivery schedule requirements
□ Preferred packaging (individual carton/palletized)
□ Required documentation (test reports, certificates)
Technical Support Available:
• System design consultation
• Harmonic analysis services
• On-site installation supervision
