Grounding Transformers
The essential unit for providing a dependable ground reference to enhance safety, manage fault currents, and support system stability across a range of applications.
Why Choose Quality Grounding Solutions?
In the event of a fault, surge, or insulation breakdown, grounding units safely redirect electrical energy away from critical equipment, personnel, and the grid—protecting both infrastructure and lives. Whether you're managing a substation upgrade, designing a new power distribution system, or enhancing grid resiliency, grounding units are a non-negotiable part of your safety strategy. Our solutions come backed by years of field-proven expertise, precision manufacturing, and dedicated technical support.
Benefits
- Enhanced Safety: Grounding units shield personnel and equipment from dangerous overvoltages and ground potential rise during faults.
- System Reliability: By minimizing the risk of equipment damage and downtime, grounding units help ensure continuous and stable power delivery.
- Regulatory Compliance: Designed to meet and exceed IEC and IEEE standards, our grounding units keep your installation inspection-ready and future-proof.
- Custom Engineered: From neutral grounding resistors to complete earthing systems, solutions are tailored to your transformer’s voltage level, fault current rating, and site conditions.
Technical Specs (Typical Ranges)
Rated System Voltage:
- Up to 245 kV (custom designs available for higher voltages)
Rated Fault Current Capacity:
- 100 A to 10,000 A (duration: 1 to 10 seconds)
Grounding Resistance Range:
- 0.25 Ω to 50 Ω (based on system and neutral configuration)
Neutral Grounding Types:
- Solidly grounded
- Resistance grounded (low or high resistance)
- Reactance grounded
- Petersen coil (resonant) grounded
Material Options:
- Stainless steel (304/316) for corrosion resistance
- Hot-dip galvanized steel (standard)
- Copper or aluminum bus for conductivity
Enclosure Rating:
- NEMA 3R / 4X
- IP55 / IP65 (weatherproof and dustproof options available)
Installation Type:
- Outdoor / Indoor
- Skid-mounted or pad-mounted
- Transformer tank-mounted options available
Temperature Rise Limits:
- Designed per IEEE C57.32 / IEC 60076-5 standards
Testing & Compliance:
- Factory-tested per IEEE, IEC, and ANSI standards
- Insulation resistance, contact resistance, and high-voltage withstand tested
Optional Features:
- Fault recording sensors
- Surge arresters
- Thermocouples for temperature monitoring
- Remote condition monitoring (IoT-ready)
Or contact a Transformer Specialist at 866-983-1300. We offer quick quote returns, fair pricing and speedy lead-times!
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54 S Sharpsville Ave
Sharon, PA 16146
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Texas, South Carolina & Alabama!
P 724.983.1300
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