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Wire-wound resistor
AChigh-currentgrounding

Wire-wound resistor - Sieyuan Electric Co., Ltd - AC / high-current / grounding
Wire-wound resistor - Sieyuan Electric Co., Ltd - AC / high-current / grounding
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Characteristics

Technology
wire-wound
Electrical characteristics
high-voltage, AC, high-current, grounding
Applications
grounding
Resistance

Max.: 1,000 gOhm

Min.: 0 gOhm

Power rating

Max.: 1,800,000 W

Min.: 0 W

Description

Overview
  • In distribution-network neutral grounding modes, neutral grounding through a small resistor is a commonly used method. This mode effectively limits intermittent arc grounding overvoltages and reduces system operating overvoltages.


Key features
  • High-temperature durability: melting point up to 1390°C; maximum operating temperature 1100°C
  • Stable resistance: small temperature coefficient ensuring reliable protection sensitivity
  • Good anti-oxidation performance: maintains oxidation resistance at high temperatures (1100°C), suitable for heavily polluted environments
  • High toughness: maintains mechanical integrity and resists fracture under drastic temperature variations


Technical specifications
  • Voltage range: 6kV~66kV
  • Current range: 100A~2000A


Available documents
  • Neutral grounding system solution (brochure/manual)
  • CE certificate


Characteristics / technical details
  • Application: neutral grounding by small resistor in distribution networks
  • Maximum operating temperature: 1100°C
  • Melting point: up to 1390°C
  • Small temperature coefficient for stable resistance
  • Excellent anti-oxidation performance at high temperatures
  • High toughness under drastic temperature changes
  • Voltage range: 6kV~66kV
  • Current range: 100A~2000A

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Transmission and Transformation

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.